/**
 * CTF Alquymia 2025 - Estilos CSS
 * Landing page moderna com efeitos visuais para campanhas de marketing
 */

/* ===== Reset e Variáveis ===== */
:root {
    /* Cores principais */
    --color-primary: #FF8C00;
    --color-primary-dark: #E67E00;
    --color-primary-light: #FFA500;
    --color-secondary: #1a1a1a;
    --color-dark: #0a0a0a;
    --color-darker: #050505;
    --color-text: #ffffff;
    --color-text-muted: #b0b0b0;
    --color-accent: #00ff88;
    
    /* Gradientes */
    --gradient-primary: linear-gradient(135deg, var(--color-primary) 0%, var(--color-primary-light) 100%);
    --gradient-dark: linear-gradient(180deg, var(--color-dark) 0%, var(--color-darker) 100%);
    --gradient-glow: radial-gradient(circle at center, rgba(255, 140, 0, 0.15) 0%, transparent 70%);
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.2);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.3);
    --shadow-glow: 0 0 40px rgba(255, 140, 0, 0.3);
    
    /* Fontes */
    --font-primary: 'Orbitron', sans-serif;
    --font-secondary: 'Rajdhani', sans-serif;
    
    /* Espaçamentos */
    --spacing-xs: 0.5rem;
    --spacing-sm: 1rem;
    --spacing-md: 2rem;
    --spacing-lg: 4rem;
    --spacing-xl: 6rem;
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    scroll-behavior: smooth;
    overflow-x: hidden;
}

body {
    font-family: var(--font-secondary);
    background: var(--color-dark);
    color: var(--color-text);
    line-height: 1.6;
    overflow-x: hidden;
}

/* ===== Partículas de Fundo ===== */
#particles-container {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    z-index: -1;
    background: radial-gradient(ellipse at top, #1a1a1a 0%, #0a0a0a 100%);
}

#particles-container::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-image: 
        radial-gradient(2px 2px at 20% 30%, rgba(255, 140, 0, 0.3), transparent),
        radial-gradient(2px 2px at 60% 70%, rgba(255, 140, 0, 0.2), transparent),
        radial-gradient(1px 1px at 50% 50%, rgba(255, 140, 0, 0.15), transparent),
        radial-gradient(1px 1px at 80% 10%, rgba(255, 140, 0, 0.2), transparent),
        radial-gradient(2px 2px at 90% 60%, rgba(255, 140, 0, 0.25), transparent);
    background-size: 200% 200%;
    animation: particlesFloat 20s ease-in-out infinite;
}

@keyframes particlesFloat {
    0%, 100% { background-position: 0% 0%; }
    50% { background-position: 100% 100%; }
}

/* ===== Header e Navegação ===== */
header {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    z-index: 1000;
    background: rgba(10, 10, 10, 0.9);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 140, 0, 0.1);
    transition: var(--transition-normal);
}

header.scrolled {
    background: rgba(10, 10, 10, 0.95);
    box-shadow: var(--shadow-md);
}

.navbar {
    max-width: 1400px;
    margin: 0 auto;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.logo {
    height: 50px;
    display: flex;
    align-items: center;
}

.logo img {
    height: 100%;
    width: auto;
    max-width: 220px;
    filter: drop-shadow(0 0 10px rgba(255, 140, 0, 0.3));
    transition: var(--transition-normal);
}

.logo a:hover img {
    filter: drop-shadow(0 0 20px rgba(255, 140, 0, 0.5));
    transform: scale(1.05);
}

.nav-menu {
    display: flex;
    list-style: none;
    gap: 2rem;
    align-items: center;
}

.nav-menu a {
    color: var(--color-text);
    text-decoration: none;
    font-weight: 500;
    font-size: 1rem;
    letter-spacing: 0.5px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-menu a::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--gradient-primary);
    transition: var(--transition-normal);
}

.nav-menu a:hover::after {
    width: 100%;
}

.btn-inscricao {
    background: var(--gradient-primary);
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    box-shadow: var(--shadow-glow);
    transition: var(--transition-normal);
}

.btn-inscricao::after {
    display: none;
}

.btn-inscricao:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 60px rgba(255, 140, 0, 0.5);
    color: var(--color-text);
}

.hamburger {
    display: none;
    flex-direction: column;
    gap: 5px;
    cursor: pointer;
    z-index: 1001;
    position: relative;
    padding: 0.5rem;
}

.hamburger span {
    width: 25px;
    height: 3px;
    background: var(--color-primary);
    border-radius: 2px;
    transition: var(--transition-normal);
    display: block;
}

.hamburger.active span:nth-child(1) {
    transform: rotate(45deg) translate(8px, 8px);
}

.hamburger.active span:nth-child(2) {
    opacity: 0;
}

.hamburger.active span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -7px);
}

/* ===== Hero Section ===== */
.hero {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    overflow: hidden;
}

.hero::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    width: 800px;
    height: 800px;
    background: var(--gradient-glow);
    animation: pulse 4s ease-in-out infinite;
}

@keyframes pulse {
    0%, 100% { transform: translate(-50%, -50%) scale(1); opacity: 0.5; }
    50% { transform: translate(-50%, -50%) scale(1.2); opacity: 0.8; }
}

.hero-content {
    max-width: 1200px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.hero-badge {
    display: inline-block;
    background: rgba(255, 140, 0, 0.1);
    border: 2px solid var(--color-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    margin-bottom: 2rem;
    animation: fadeInDown 0.8s ease;
}

.badge-text {
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.9rem;
    letter-spacing: 2px;
    color: var(--color-primary);
}

.hero-title {
    font-family: var(--font-primary);
    font-size: clamp(2.5rem, 8vw, 5rem);
    font-weight: 900;
    line-height: 1.1;
    margin-bottom: 1.5rem;
    animation: fadeInUp 0.8s ease 0.2s both;
}

.highlight {
    color: var(--color-primary);
    background: none;
    -webkit-background-clip: unset;
    -webkit-text-fill-color: unset;
    background-clip: unset;
    display: inline;
    animation: none;

}



.hero-subtitle {
    font-size: clamp(1rem, 3vw, 1.5rem);
    font-weight: 600;
    letter-spacing: 2px;
    color: var(--color-text-muted);
    margin-bottom: 3rem;
    animation: fadeInUp 0.8s ease 0.4s both;
}

.hero-cta {
    display: flex;
    gap: 1.5rem;
    justify-content: center;
    flex-wrap: wrap;
    margin-bottom: 4rem;
    animation: fadeInUp 0.8s ease 0.6s both;
}

/* ===== Botões ===== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    font-family: var(--font-secondary);
    font-size: 1rem;
    font-weight: 600;
    text-decoration: none;
    border-radius: 12px;
    transition: var(--transition-normal);
    cursor: pointer;
    border: none;
    letter-spacing: 1px;
}

.btn-primary {
    background: var(--gradient-primary);
    color: var(--color-text);
    box-shadow: var(--shadow-glow);
}

.btn-primary:hover {
    transform: translateY(-3px);
    box-shadow: 0 0 60px rgba(255, 140, 0, 0.6);
}

.btn-primary svg {
    transition: var(--transition-fast);
}

.btn-primary:hover svg {
    transform: translateX(5px);
}

.btn-secondary {
    background: transparent;
    color: var(--color-text);
    border: 2px solid var(--color-primary);
}

.btn-secondary:hover {
    background: rgba(255, 140, 0, 0.1);
    transform: translateY(-3px);
}

.btn-large {
    padding: 1.25rem 2.5rem;
    font-size: 1.1rem;
}

/* ===== Hero Stats ===== */
.hero-stats {
    display: flex;
    gap: 3rem;
    justify-content: center;
    flex-wrap: wrap;
    animation: fadeInUp 0.8s ease 0.8s both;
}

.stat-item {
    text-align: center;
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 900;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
    letter-spacing: 1px;
}

.stat-divider {
    width: 2px;
    height: 60px;
    background: linear-gradient(to bottom, transparent, var(--color-primary), transparent);
    margin-left: 10px;
    margin-right: 10px;
}

.hero-scroll {
    position: absolute;
    bottom: 2rem;
    left: 50%;
    transform: translateX(-50%);
}

.scroll-indicator {
    width: 30px;
    height: 50px;
    border: 2px solid var(--color-primary);
    border-radius: 20px;
    position: relative;
    animation: bounce 2s infinite;
}

.scroll-indicator span {
    position: absolute;
    top: 10px;
    left: 50%;
    transform: translateX(-50%);
    width: 6px;
    height: 6px;
    background: var(--color-primary);
    border-radius: 50%;
    animation: scrollDot 2s infinite;
}

@keyframes bounce {
    0%, 100% { transform: translateY(0); }
    50% { transform: translateY(10px); }
}

@keyframes scrollDot {
    0% { top: 10px; opacity: 1; }
    100% { top: 30px; opacity: 0; }
}

/* ===== Animações de Entrada ===== */
@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

@keyframes fadeInDown {
    from {
        opacity: 0;
        transform: translateY(-30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ===== Seções Gerais ===== */
.section {
    padding: var(--spacing-xl) 2rem;
    position: relative;
}

.container {
    max-width: 1400px;
    margin: 0 auto;
}

.section-header {
    text-align: center;
    margin-bottom: var(--spacing-lg);
}

.section-tag {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 700;
    letter-spacing: 3px;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.section-title {
    font-family: var(--font-primary);
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 900;
    margin-bottom: 1.5rem;
    line-height: 1.2;
}

.section-description {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    max-width: 800px;
    margin: 0 auto;
    line-height: 1.8;
}

/* ===== Seção Sobre ===== */
.section-about {
    background: linear-gradient(180deg, transparent 0%, rgba(255, 140, 0, 0.03) 100%);
}

.about-content {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 4rem;
    align-items: center;
}

.about-text .lead {
    font-size: 1.3rem;
    line-height: 1.8;
    margin-bottom: 1.5rem;
    color: var(--color-text);
}

.about-text p {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.about-features {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
    margin-top: 2rem;
}

.feature-item {
    display: flex;
    gap: 1rem;
    align-items: flex-start;
}

.feature-icon {
    font-size: 2rem;
    flex-shrink: 0;
}

.feature-text h4 {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    margin-bottom: 0.25rem;
    color: var(--color-primary);
}

.feature-text p {
    font-size: 0.95rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* ===== Terminal Visual ===== */
.about-visual {
    position: relative;
}

.visual-card {
    position: relative;
    background: rgba(26, 26, 26, 0.8);
    border: 1px solid rgba(255, 140, 0, 0.2);
    border-radius: 12px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}

.card-glow {
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: conic-gradient(
        from 0deg at 50% 50%,
        transparent 0deg,
        rgba(255, 140, 0, 0.1) 90deg,
        transparent 180deg,
        rgba(255, 140, 0, 0.1) 270deg,
        transparent 360deg
    );
    animation: rotate 4s linear infinite;
}

@keyframes rotate {
    100% { transform: rotate(360deg); }
}

.card-content {
    position: relative;
    background: rgba(10, 10, 10, 0.95);
    margin: 2px;
    border-radius: 10px;
}

.terminal-header {
    padding: 1rem;
    background: rgba(26, 26, 26, 0.8);
    border-bottom: 1px solid rgba(255, 140, 0, 0.1);
    display: flex;
    gap: 0.5rem;
}

.terminal-dot {
    width: 12px;
    height: 12px;
    border-radius: 50%;
}

.terminal-dot.red { background: #ff5f56; }
.terminal-dot.yellow { background: #ffbd2e; }
.terminal-dot.green { background: #27c93f; }

.terminal-body {
    padding: 2rem;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
    line-height: 1.8;
}

.terminal-body p {
    margin: 0.5rem 0;
}

.prompt {
    color: var(--color-primary);
    font-weight: 700;
    margin-right: 0.5rem;
}

.output {
    color: var(--color-accent);
}

.cursor {
    animation: blink 1s infinite;
}

@keyframes blink {
    0%, 50% { opacity: 1; }
    51%, 100% { opacity: 0; }
}

/* ===== Seção Evento ===== */
.section-event {
    background: rgba(10, 10, 10, 0.5);
}

.event-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 2rem;
}

.event-card {
    background: rgba(26, 26, 26, 0.6);
    border: 1px solid rgba(255, 140, 0, 0.1);
    border-radius: 16px;
    padding: 2.5rem;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.event-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: var(--gradient-glow);
    opacity: 0;
    transition: var(--transition-normal);
}

.event-card:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.event-card:hover::before {
    opacity: 1;
}

.event-card-icon {
    font-size: 3rem;
    margin-bottom: 1.5rem;
    position: relative;
    z-index: 1;
}

.event-card h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-primary);
    position: relative;
    z-index: 1;
}

.event-card p {
    font-size: 1rem;
    line-height: 1.7;
    color: var(--color-text-muted);
    position: relative;
    z-index: 1;
}

/* ===== Seção Premiação ===== */
.section-awards {
    background: linear-gradient(180deg, rgba(255, 140, 0, 0.03) 0%, transparent 100%);
}

.awards-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 2rem;
    max-width: 1200px;
    margin: 0 auto;
}

.award-card {
    background: rgba(26, 26, 26, 0.6);
    border: 2px solid rgba(255, 140, 0, 0.2);
    border-radius: 20px;
    padding: 3rem 2rem;
    text-align: center;
    transition: var(--transition-normal);
    position: relative;
}

.award-card.first {
    transform: scale(1.05);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
}

.award-card:hover {
    transform: translateY(-10px) scale(1.05);
    box-shadow: var(--shadow-glow);
}

.award-badge {
    position: absolute;
    top: -15px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--gradient-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 20px;
    font-family: var(--font-primary);
    font-weight: 700;
    font-size: 0.8rem;
    letter-spacing: 2px;
}

.award-medal {
    margin-bottom: 1.5rem;
    display: flex;
    justify-content: center;
}

.award-card h3 {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    margin-bottom: 1rem;
    color: var(--color-text);
}

.award-prize {
    font-size: 1.1rem;
    color: var(--color-primary);
    font-weight: 600;
    margin-bottom: 2rem;
}

.award-benefits {
    list-style: none;
    text-align: left;
}

.award-benefits li {
    padding: 0.75rem 0;
    border-bottom: 1px solid rgba(255, 140, 0, 0.1);
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.award-benefits li:last-child {
    border-bottom: none;
}

.award-benefits li::before {
    content: '✓';
    color: var(--color-accent);
    font-weight: 700;
    margin-right: 0.75rem;
}

.award-benefits li a {
    color: var(--color-primary) !important; /* Força a cor primária */
    text-decoration: none;
    transition: var(--transition-normal);
}

.award-benefits li a:hover {
    color: var(--color-primary-light) !important; /* Cor de hover mais clara */
    text-decoration: underline;
}

.awards-total {
    margin-top: 2rem;
    text-align: center;
    padding: 1.5rem;
}

.awards-total-text {
    font-size: 1.5rem;
    color: var(--color-primary);
    margin: 0;
    text-shadow: 0 0 20px rgba(255, 140, 0, 0.5);
}

.awards-total-text strong {
    color: #FFD700;
    font-weight: 700;
    text-shadow: 0 0 15px rgba(255, 215, 0, 0.6);
}

.awards-note {
    margin-top: 2rem;
    text-align: center;
    padding: 1.5rem;
    background: rgba(255, 140, 0, 0.05);
    border-radius: 12px;
    border: 1px solid rgba(255, 140, 0, 0.1);
}

.awards-note p {
    font-size: 1rem;
    color: var(--color-text-muted);
    margin: 0;
}

/* ===== Seção Patrocinadores ===== */
.section-sponsors {
    background: rgba(10, 10, 10, 0.5);
}

.sponsors-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 3rem;
    align-items: center;
    justify-items: center;
}

.sponsor-item {
    width: 100%;
    max-width: 300px;
    padding: 2rem;
    background: rgba(26, 26, 26, 0.4);
    border: 1px solid rgba(255, 140, 0, 0.1);
    border-radius: 16px;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.sponsor-item:hover {
    transform: translateY(-10px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-glow);
    background: rgba(26, 26, 26, 0.6);
}

.sponsor-item img {
    width: 100%;
    height: auto;
    filter: brightness(0) invert(1);
    transition: var(--transition-normal);
}

.sponsor-item:hover img {
    filter: brightness(1) invert(0);
}

/* ===== Seção Parceiros ===== */
.section-partners {
    background: linear-gradient(180deg, transparent 0%, rgba(255, 140, 0, 0.03) 100%);
}

.partners-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 2rem;
    align-items: center;
    justify-items: center;
}

.partner-item {
    width: 100%;
    max-width: 200px;
    padding: 1.5rem;
    background: rgba(26, 26, 26, 0.3);
    border: 1px solid rgba(255, 140, 0, 0.05);
    border-radius: 12px;
    transition: var(--transition-normal);
    display: flex;
    align-items: center;
    justify-content: center;
}

.partner-item:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: var(--shadow-md);
    background: rgba(26, 26, 26, 0.5);
}

.partner-item img {
    width: 100%;
    height: auto;
    transition: var(--transition-normal);
}

.partner-item:hover img {
    /* Mantém apenas o efeito de elevação e borda, sem mudar cores */
}

/* ===== Seção Inscrição ===== */
.section-register {
    background: var(--gradient-glow);
    padding: var(--spacing-xl) 2rem;
}

.register-content {
    text-align: center;
    max-width: 800px;
    margin: 0 auto;
    padding: 4rem 2rem;
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid var(--color-primary);
    border-radius: 24px;
    box-shadow: var(--shadow-glow);
}

.register-content h2 {
    font-family: var(--font-primary);
    font-size: clamp(1.8rem, 4vw, 2.5rem);
    margin-bottom: 1.5rem;
    line-height: 1.3;
}

.register-content p {
    font-size: 1.1rem;
    color: var(--color-text-muted);
    margin-bottom: 2.5rem;
    line-height: 1.7;
}

/* ===== Footer /* Footer Redesign */
.footer {
    background-color: var(--color-dark); /* Using var(--color-dark) from the theme */
    padding: 2rem 1rem;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.footer-content {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    max-width: 1400px;
    margin: 0 auto 1.5rem auto;
    flex-wrap: wrap;
}

.footer-left {
    max-width: 50%;
    padding-right: 1rem;
}

.footer-logo img {
    height: 40px; /* Logo size requirement */
    max-width: 220px; /* Logo size requirement */
    object-fit: contain;
    margin-bottom: 0.5rem;
}

.footer-description {
    color: #aaa;
    font-size: 0.9rem;
    line-height: 1.4;
}

.footer-right {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding-left: 1rem;
}

.social-icons a {
    color: var(--color-primary); /* Use theme color for icons */
    font-size: 1.5rem;
    margin-left: 1.5rem;
    transition: color 0.3s ease;
}

.social-icons a:hover {
    color: #fff; /* White on hover for contrast */
}

.footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    padding-top: 1rem;
}

.footer-bottom p {
    text-align: center !important; /* Centered copyright text requirement */
    font-size: 0.8rem;
    color: #777;
}

/* Media Query for Footer Responsiveness */
@media (max-width: 768px) {
    .footer-content {
        flex-direction: column;
        align-items: center;
        text-align: center;
    }

    .footer-left, .footer-right {
        max-width: 100%;
        padding: 0;
        margin-bottom: 1.5rem;
    }

    .footer-right {
        justify-content: center;
    }

    .social-icons a {
        margin: 0 0.75rem;
    }





    .footer-content {
        grid-template-columns: 1fr;
        gap: 2rem;
    }
}

@media (max-width: 768px) {
    .nav-menu {
        position: fixed;
        top: 80px;
        left: -100%;
        width: 100%;
        height: calc(100vh - 80px);
        background: rgba(10, 10, 10, 0.98);
        flex-direction: column;
        justify-content: flex-start;
        padding: 3rem 2rem;
        transition: var(--transition-normal);
        z-index: 1000;
        overflow-y: auto;
    }
    
    .nav-menu.active {
        left: 0;
    }
    
    .hamburger {
        display: flex;
    }
    
    .hero {
        padding: 6rem 1.5rem 3rem;
    }
    
    .hero-cta {
        flex-direction: column;
        align-items: stretch;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-divider {
        display: none;
    }
    
    .section {
        padding: var(--spacing-lg) 1.5rem;
    }
    
    .event-grid,
    .awards-grid,
    .sponsors-grid,
    .partners-grid {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .award-card.first {
        transform: scale(1);
    }
}

@media (max-width: 480px) {
    .hero-title {
        font-size: 2rem;
    }
    
    .section-title {
        font-size: 1.8rem;
    }
    
    .btn {
        padding: 0.875rem 1.5rem;
        font-size: 0.95rem;
    }
}

/* ===== Atributo data-aos para animações ===== */
[data-aos] {
    opacity: 0;
    transition: opacity 0.6s ease, transform 0.6s ease;
}

[data-aos].aos-animate {
    opacity: 1;
}

[data-aos="fade-up"] {
    transform: translateY(30px);
}

[data-aos="fade-up"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-down"] {
    transform: translateY(-30px);
}

[data-aos="fade-down"].aos-animate {
    transform: translateY(0);
}

[data-aos="fade-right"] {
    transform: translateX(-30px);
}

[data-aos="fade-right"].aos-animate {
    transform: translateX(0);
}

[data-aos="fade-left"] {
    transform: translateX(30px);
}

[data-aos="fade-left"].aos-animate {
    transform: translateX(0);
}

[data-aos="zoom-in"] {
    transform: scale(0.9);
}

[data-aos="zoom-in"].aos-animate {
    transform: scale(1);
}



/* ===== Modais de Login e Registro ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.85);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.modal.active {
    display: flex;
    align-items: center;
    justify-content: center;
}

.modal-content {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.98) 0%, rgba(10, 10, 10, 0.98) 100%);
    border: 1px solid rgba(255, 140, 0, 0.2);
    border-radius: 16px;
    padding: 3rem;
    width: 90%;
    max-width: 480px;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(255, 140, 0, 0.1);
    animation: slideUp 0.4s ease;
}

@keyframes fadeIn {
    from { opacity: 0; }
    to { opacity: 1; }
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2rem;
    font-weight: 300;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1;
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
}

.modal-close:hover {
    color: var(--color-primary);
    background: rgba(255, 140, 0, 0.1);
    transform: rotate(90deg);
}

.modal-header {
    text-align: center;
    margin-bottom: 2rem;
}

.modal-header h2 {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.modal-header p {
    font-family: var(--font-secondary);
    font-size: 1rem;
    color: var(--color-text-muted);
}

.auth-form {
    display: flex;
    flex-direction: column;
    gap: 1.5rem;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.form-group label {
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-group input {
    font-family: var(--font-secondary);
    font-size: 1rem;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 140, 0, 0.2);
    border-radius: 8px;
    color: var(--color-text);
    transition: var(--transition-normal);
}

.form-group input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.1);
}

.form-group input::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

/* Estilos para campos dinâmicos (extra fields) */
.mb-3 {
    margin-bottom: 1.5rem;
}

.mb-3 .form-label {
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    color: var(--color-text);
    text-transform: uppercase;
    letter-spacing: 0.5px;
    margin-bottom: 0.5rem;
    display: block;
}

.mb-3 .form-control {
    font-family: var(--font-secondary);
    font-size: 1rem;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 140, 0, 0.2);
    border-radius: 8px;
    color: var(--color-text);
    transition: var(--transition-normal);
    width: 100%;
}

.mb-3 .form-control:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.1);
}

.mb-3 .form-control::placeholder {
    color: var(--color-text-muted);
    opacity: 0.6;
}

.mb-3 .form-text {
    font-family: var(--font-secondary);
    font-size: 0.85rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
    display: block;
}

.mb-3 .form-select {
    font-family: var(--font-secondary);
    font-size: 1rem;
    padding: 1rem 1.25rem;
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 140, 0, 0.2);
    border-radius: 8px;
    color: var(--color-text);
    transition: var(--transition-normal);
    width: 100%;
}

.mb-3 .form-select:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.08);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.1);
}

.form-options {
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-family: var(--font-secondary);
    font-size: 0.9rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
}

.checkbox-label input[type="checkbox"] {
    width: 18px;
    height: 18px;
    cursor: pointer;
    accent-color: var(--color-primary);
}

.checkbox-label span {
    user-select: none;
}

.link-secondary {
    color: var(--color-primary);
    text-decoration: none;
    transition: var(--transition-fast);
}

.link-secondary:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

.btn-block {
    width: 100%;
    justify-content: center;
}

.form-divider {
    position: relative;
    text-align: center;
    margin: 0.5rem 0;
}

.form-divider::before,
.form-divider::after {
    content: '';
    position: absolute;
    top: 50%;
    width: 45%;
    height: 1px;
    background: rgba(255, 140, 0, 0.2);
}

.form-divider::before {
    left: 0;
}

.form-divider::after {
    right: 0;
}

.form-divider span {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    color: var(--color-text-muted);
    background: var(--color-secondary);
    padding: 0 1rem;
}

.formfooter {
    text-align: center;
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.form-footer a {
    color: var(--color-primary);
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-fast);
}

.form-footer a:hover {
    color: var(--color-primary-light);
    text-decoration: underline;
}

/* Responsividade dos modais */
@media (max-width: 768px) {
    .modal-content {
        padding: 2rem;
        width: 95%;
    }
    
    .modal-header h2 {
        font-size: 1.75rem;
    }
}

@media (max-width: 480px) {
    .modal-content {
        padding: 1.5rem;
    }
    
    .modal-header h2 {
        font-size: 1.5rem;
    }
    
    .form-options {
        flex-direction: column;
        align-items: flex-start;
        gap: 0.75rem;
    }
}



/* ===== Páginas de Autenticação (login.html e register.html) ===== */
.auth-page {
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background: var(--color-dark);
    position: relative;
    overflow-x: hidden;
}

.auth-page #particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

.auth-page .header {
    position: relative;
    z-index: 100;
    background: rgba(10, 10, 10, 0.8);
    backdrop-filter: blur(10px);
}

.auth-page .navbar {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

.auth-page .logo img {
    height: 50px;
    width: auto;
}

.nav-auth-links {
    font-family: var(--font-secondary);
    font-size: 0.95rem;
}

.auth-container {
    flex: 1;
    display: flex;
    align-items: flex-start;
    justify-content: center;
    padding: 3rem 2rem 2rem 2rem;
    position: relative;
    z-index: 10;
    min-height: auto;
}

.auth-box {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.98) 0%, rgba(10, 10, 10, 0.98) 100%);
    border: 1px solid rgba(255, 140, 0, 0.2);
    border-radius: 16px;
    padding: 2rem;
    width: 100%;
    max-width: 480px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.5), 0 0 40px rgba(255, 140, 0, 0.1);
    animation: slideUp 0.6s ease;
}

.auth-header {
    text-align: center;
    margin-bottom: 1.5rem;
}

.auth-header h1 {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.5rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.auth-header p {
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

/* Responsividade para páginas de autenticação */
@media (max-width: 768px) {
    .auth-container {
        padding: 1rem;
    }
    
    .auth-box {
        padding: 1.5rem;
    }
    
    .auth-header {
        margin-bottom: 1.25rem;
    }
    
    .auth-header h1 {
        font-size: 1.75rem;
    }
    
    .auth-page .navbar {
        padding: 1rem;
    }
    
    .nav-auth-links {
        font-size: 0.85rem;
    }
}

@media (max-width: 480px) {
    .auth-box {
        padding: 1.5rem;
    }
    
    .auth-header h1 {
        font-size: 1.75rem;
    }
    
    .auth-header p {
        font-size: 0.95rem;
    }
}



/* ============================================
   EASTER EGG MODAL
   ============================================ */

#easter-egg-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    z-index: 999999;
    display: flex !important;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.4s ease;
}

#easter-egg-overlay.show {
    opacity: 1 !important;
}

#easter-egg-box {
    background: linear-gradient(135deg, #FF8C00 0%, #FF4500 100%);
    padding: 3rem;
    border-radius: 20px;
    border: 3px solid rgba(255, 255, 255, 0.3);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.8), 0 0 40px rgba(255, 140, 0, 0.6);
    max-width: 90%;
    width: 600px;
    text-align: center;
    transform: scale(0.8);
    transition: transform 0.4s ease;
}

#easter-egg-overlay.show #easter-egg-box {
    transform: scale(1);
}

.ee-title {
    font-size: 2.5rem;
    margin-bottom: 1rem;
    color: white;
    text-shadow: 0 0 20px rgba(255, 140, 0, 0.8);
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
}

.ee-subtitle {
    font-size: 1.3rem;
    margin-bottom: 1.5rem;
    color: #FFD700;
    font-family: 'Rajdhani', sans-serif;
}

.ee-flag-container {
    background: linear-gradient(135deg, rgba(0, 0, 0, 0.95), rgba(26, 26, 26, 0.95));
    padding: 1.5rem;
    border-radius: 12px;
    border: 2px solid #00ff88;
    box-shadow: 0 0 30px rgba(0, 255, 136, 0.5);
    margin-top: 1rem;
}

.ee-flag {
    font-family: 'Courier New', monospace;
    font-size: 1.8rem;
    font-weight: bold;
    letter-spacing: 3px;
    color: #00ff88;
    text-shadow: 0 0 10px #00ff88;
}

@media (max-width: 768px) {
    #easter-egg-box {
        padding: 2rem;
        width: 95%;
    }
    
    .ee-title {
        font-size: 2rem;
    }
    
    .ee-subtitle {
        font-size: 1.1rem;
    }
    
    .ee-flag {
        font-size: 1.3rem;
        letter-spacing: 2px;
    }
}




/* ===== Página de Desafios (desafios.html) ===== */
.challenges-page {
    background: var(--color-dark);
}

.challenges-hero {
    padding: 8rem 2rem 4rem;
    text-align: center;
    position: relative;
    z-index: 10;
}

.challenges-hero .badge {
    display: inline-block;
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.2) 0%, rgba(255, 140, 0, 0.1) 100%);
    border: 1px solid var(--color-primary);
    color: var(--color-primary);
    padding: 0.5rem 1.5rem;
    border-radius: 50px;
    font-family: var(--font-primary);
    font-size: 0.9rem;
    font-weight: 600;
    letter-spacing: 2px;
    margin-bottom: 1.5rem;
}

.challenges-hero h1 {
    font-family: var(--font-primary);
    font-size: 4rem;
    font-weight: 900;
    margin-bottom: 1rem;
    background: var(--gradient-primary);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.challenges-hero .subtitle {
    font-family: var(--font-secondary);
    font-size: 1.3rem;
    color: var(--color-text-muted);
    margin-bottom: 3rem;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 4rem;
    flex-wrap: wrap;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-primary);
    line-height: 1;
}

.stat-label {
    font-family: var(--font-secondary);
    font-size: 1rem;
    color: var(--color-text-muted);
    margin-top: 0.5rem;
}

/* Filtros de Categoria */
.category-filters {
    padding: 2rem;
    position: sticky;
    top: 80px;
    z-index: 50;
    background: rgba(10, 10, 10, 0.95);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(255, 140, 0, 0.1);
}

.category-filters .container {
    display: flex;
    justify-content: center;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-btn {
    font-family: var(--font-secondary);
    font-size: 0.95rem;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border: 2px solid rgba(255, 140, 0, 0.3);
    background: rgba(26, 26, 26, 0.8);
    color: var(--color-text-muted);
    border-radius: 50px;
    cursor: pointer;
    transition: all var(--transition-normal);
}

.filter-btn:hover {
    border-color: var(--color-primary);
    color: var(--color-primary);
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 140, 0, 0.2);
}

.filter-btn.active {
    background: var(--gradient-primary);
    border-color: var(--color-primary);
    color: var(--color-dark);
    box-shadow: 0 4px 16px rgba(255, 140, 0, 0.4);
}

/* Grid de Desafios */
.challenges-grid {
    padding: 4rem 2rem;
    position: relative;
    z-index: 10;
}

.challenges-grid .container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    max-width: 1400px;
    margin: 0 auto;
}

/* Card de Desafio */
.challenge-card {
    height: 280px;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.95) 0%, rgba(10, 10, 10, 0.95) 100%);
    border: 1px solid rgba(255, 140, 0, 0.2);
    border-radius: 12px;
    padding: 1.5rem;
    transition: all var(--transition-normal);
    cursor: pointer;
    position: relative;
    overflow: hidden;
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 3px;
    background: var(--gradient-primary);
    transform: scaleX(0);
    transform-origin: left;
    transition: transform var(--transition-normal);
}

.challenge-card:hover {
    transform: translateY(-5px);
    border-color: var(--color-primary);
    box-shadow: 0 8px 24px rgba(255, 140, 0, 0.2);
}

.challenge-card:hover::before {
    transform: scaleX(1);
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.category-badge {
    font-family: var(--font-secondary);
    font-size: 0.85rem;
    font-weight: 600;
    padding: 0.4rem 1rem;
    border-radius: 20px;
    display: inline-flex;
    align-items: center;
    gap: 0.3rem;
}

.category-badge.crypto {
    background: rgba(139, 69, 255, 0.2);
    color: #8B45FF;
    border: 1px solid rgba(139, 69, 255, 0.3);
}

.category-badge.web {
    background: rgba(0, 150, 255, 0.2);
    color: #0096FF;
    border: 1px solid rgba(0, 150, 255, 0.3);
}

.category-badge.forensics {
    background: rgba(255, 69, 0, 0.2);
    color: #FF4500;
    border: 1px solid rgba(255, 69, 0, 0.3);
}

.category-badge.stego {
    background: rgba(255, 20, 147, 0.2);
    color: #FF1493;
    border: 1px solid rgba(255, 20, 147, 0.3);
}

.category-badge.reverse {
    background: rgba(50, 205, 50, 0.2);
    color: #32CD32;
    border: 1px solid rgba(50, 205, 50, 0.3);
}

.category-badge.osint {
    background: rgba(255, 215, 0, 0.2);
    color: #FFD700;
    border: 1px solid rgba(255, 215, 0, 0.3);
}

.category-badge.wireless {
    background: rgba(0, 191, 255, 0.2);
    color: #00BFFF;
    border: 1px solid rgba(0, 191, 255, 0.3);
}

.category-badge.box {
    background: rgba(139, 90, 43, 0.2);
    color: #8B5A2B;
    border: 1px solid rgba(139, 90, 43, 0.3);
}

.category-badge.misc {
    background: rgba(255, 140, 0, 0.2);
    color: #FF8C00;
    border: 1px solid rgba(255, 140, 0, 0.3);
}

.category-badge.start {
    background: rgba(34, 139, 34, 0.2);
    color: #228B22;
    border: 1px solid rgba(34, 139, 34, 0.3);
}

.difficulty {
    font-family: var(--font-secondary);
    font-size: 0.8rem;
    font-weight: 700;
    padding: 0.3rem 0.8rem;
    border-radius: 15px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.difficulty.easy {
    background: rgba(0, 255, 136, 0.2);
    color: #00FF88;
    border: 1px solid rgba(0, 255, 136, 0.3);
}

.difficulty.medium {
    background: rgba(255, 193, 7, 0.2);
    color: #FFC107;
    border: 1px solid rgba(255, 193, 7, 0.3);
}

.difficulty.hard {
    background: rgba(244, 67, 54, 0.2);
    color: #F44336;
    border: 1px solid rgba(244, 67, 54, 0.3);
}

.challenge-title {
    font-family: var(--font-primary);
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 0.75rem;
}

.challenge-description {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 2.4em;
    font-family: var(--font-secondary);
    font-size: 1rem;
    color: var(--color-text-muted);
    line-height: 1.6;
    margin-bottom: 1.5rem;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 1rem;
    border-top: 1px solid rgba(255, 140, 0, 0.1);
}

.points {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--color-primary);
}

.solves {
    font-family: var(--font-secondary);
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* CTA Section */
.cta-section {
    padding: 6rem 2rem;
    text-align: center;
    position: relative;
    z-index: 10;
}

.cta-section h2 {
    font-family: var(--font-primary);
    font-size: 3rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
}

.cta-section p {
    font-family: var(--font-secondary);
    font-size: 1.2rem;
    color: var(--color-text-muted);
    margin-bottom: 2rem;
}

.btn-cta {
    display: inline-block;
    font-family: var(--font-primary);
    font-size: 1.1rem;
    font-weight: 700;
    padding: 1.2rem 3rem;
    background: var(--gradient-primary);
    color: var(--color-dark);
    text-decoration: none;
    border-radius: 50px;
    transition: all var(--transition-normal);
    box-shadow: 0 4px 16px rgba(255, 140, 0, 0.3);
}

.btn-cta:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 24px rgba(255, 140, 0, 0.5);
}

/* Responsividade */
@media (max-width: 1024px) {
    .challenges-grid .container {
        grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
        gap: 1.5rem;
    }
}

@media (max-width: 768px) {
    .challenges-hero {
        padding: 6rem 1.5rem 3rem;
    }
    
    .challenges-hero h1 {
        font-size: 2.5rem;
    }
    
    .challenges-hero .subtitle {
        font-size: 1.1rem;
    }
    
    .hero-stats {
        gap: 2rem;
    }
    
    .stat-number {
        font-size: 2rem;
    }
    
    .category-filters {
        top: 70px;
        padding: 1rem;
    }
    
    .filter-btn {
        font-size: 0.85rem;
        padding: 0.6rem 1.2rem;
    }
    
    .challenges-grid {
        padding: 2rem 1rem;
    }
    
    .challenges-grid .container {
        grid-template-columns: 1fr;
        gap: 1.5rem;
    }
    
    .cta-section h2 {
        font-size: 2rem;
    }
    
    .cta-section p {
        font-size: 1rem;
    }
}

@media (max-width: 480px) {
    .challenges-hero h1 {
        font-size: 2rem;
    }
    
    .filter-btn {
        font-size: 0.8rem;
        padding: 0.5rem 1rem;
    }
    
    .challenge-title {
        font-size: 1.3rem;
    }
}



/* ===== Modal de Detalhes do Desafio ===== */
.challenge-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.challenge-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

.challenge-modal-content {
    background: linear-gradient(135deg, #1a1a1a 0%, #0d0d0d 100%);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 16px;
    max-width: 800px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    animation: slideUp 0.3s ease;
    box-shadow: 0 20px 60px rgba(255, 140, 0, 0.3);
}

.challenge-modal-content::-webkit-scrollbar {
    width: 8px;
}

.challenge-modal-content::-webkit-scrollbar-track {
    background: rgba(255, 140, 0, 0.1);
    border-radius: 4px;
}

.challenge-modal-content::-webkit-scrollbar-thumb {
    background: var(--color-primary);
    border-radius: 4px;
}

.challenge-modal-close {
    position: absolute;
    top: 20px;
    right: 25px;
    font-size: 2rem;
    font-weight: bold;
    color: #999;
    cursor: pointer;
    transition: var(--transition-fast);
    z-index: 10;
}

.challenge-modal-close:hover {
    color: var(--color-primary);
    transform: rotate(90deg);
}

.challenge-modal-header {
    padding: 2rem 2.5rem 1.5rem;
    border-bottom: 1px solid rgba(255, 140, 0, 0.2);
}

.challenge-modal-badges {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.challenge-modal-category,
.challenge-modal-difficulty,
.challenge-modal-solved {
    padding: 0.4rem 1rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.challenge-modal-solved {
    background: linear-gradient(135deg, #00ff88 0%, #00cc6a 100%);
    color: #000;
    /* Animação removida para manter o badge estático */
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.05); }
}

.challenge-modal-title {
    font-family: var(--font-primary);
    font-size: 2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    text-shadow: 0 0 20px rgba(255, 140, 0, 0.3);
}

.challenge-modal-meta {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    color: var(--color-text-muted);
    font-size: 0.95rem;
}

.challenge-modal-meta span {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.challenge-modal-body {
    padding: 2rem 2.5rem;
}

.challenge-modal-description {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--color-text);
    margin-bottom: 2rem;
    padding: 1.5rem;
    background: rgba(255, 140, 0, 0.05);
    border-left: 4px solid var(--color-primary);
    border-radius: 8px;
}

.challenge-modal-files,
.challenge-modal-link,
.challenge-modal-hints {
    margin-bottom: 2rem;
}

.challenge-modal-body h4 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.challenge-files-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.challenge-file-item {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1rem 1.5rem;
    background: rgba(255, 140, 0, 0.1);
    border: 1px solid rgba(255, 140, 0, 0.3);
    border-radius: 8px;
    transition: var(--transition-normal);
}

.challenge-file-item:hover {
    background: rgba(255, 140, 0, 0.2);
    border-color: var(--color-primary);
    transform: translateX(5px);
}

.challenge-file-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.challenge-file-icon {
    font-size: 1.5rem;
}

.challenge-file-name {
    font-weight: 600;
    color: var(--color-text);
}

.challenge-file-size {
    font-size: 0.85rem;
    color: var(--color-text-muted);
}

.challenge-file-download {
    padding: 0.5rem 1.5rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 6px;
    color: var(--color-text);
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
}

.challenge-file-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 140, 0, 0.5);
}

.challenge-link-btn {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    padding: 1rem 2rem;
    background: rgba(255, 140, 0, 0.2);
    border: 2px solid #FF8C00;
    border-radius: 8px;
    color: #FF8C00;
    text-decoration: none;
    font-weight: 600;
    transition: var(--transition-normal);
}

.challenge-link-btn:hover {
    background: rgba(255, 140, 0, 0.3);
    transform: translateY(-2px);
    box-shadow: 0 0 20px rgba(255, 140, 0, 0.5);
}

.challenge-hints-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.challenge-hint-item {
    padding: 1rem 1.5rem;
    background: rgba(255, 140, 0, 0.05);
    border-left: 3px solid var(--color-primary);
    border-radius: 6px;
    color: var(--color-text-muted);
    font-style: italic;
}

.challenge-modal-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    padding: 1.5rem;
    background: rgba(255, 140, 0, 0.05);
    border-radius: 12px;
    margin-top: 2rem;
}

.stat-item {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
    text-align: center;
}

.stat-label {
    font-size: 0.85rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.stat-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    font-family: var(--font-primary);
}

.challenge-modal-footer {
    padding: 2rem 2.5rem;
    border-top: 1px solid rgba(255, 140, 0, 0.2);
}

.challenge-flag-submission h4 {
    font-family: var(--font-primary);
    font-size: 1.2rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
}

.flag-input-group {
    display: flex;
    gap: 1rem;
    margin-bottom: 1rem;
}

.flag-input {
    flex: 1;
    padding: 1rem 1.5rem;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 8px;
    color: var(--color-text);
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    transition: var(--transition-normal);
}

.flag-input:focus {
    outline: none;
    border-color: var(--color-primary);
    background: rgba(255, 255, 255, 0.1);
    box-shadow: 0 0 20px rgba(255, 140, 0, 0.3);
}

.flag-submit-btn {
    padding: 1rem 2.5rem;
    background: var(--gradient-primary);
    border: none;
    border-radius: 8px;
    color: var(--color-text);
    font-weight: 700;
    font-size: 1rem;
    cursor: pointer;
    transition: var(--transition-normal);
    text-transform: uppercase;
    letter-spacing: 1px;
}

.flag-submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 30px rgba(255, 140, 0, 0.6);
}

.flag-feedback {
    padding: 1rem 1.5rem;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
    animation: slideDown 0.3s ease;
}

.flag-feedback.success {
    background: rgba(0, 255, 136, 0.2);
    border: 2px solid #00ff88;
    color: #00ff88;
}

.flag-feedback.error {
    background: rgba(255, 0, 0, 0.2);
    border: 2px solid #ff0000;
    color: #ff6666;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* Desafio Resolvido - Estado Visual */
.challenge-card.solved {
    opacity: 0.7;
    position: relative;
}

.challenge-card.solved::before {
    /* Círculo verde removido */
    display: none;
    animation: checkmark 0.5s ease;
}

@keyframes checkmark {
    0% {
        transform: scale(0) rotate(0deg);
    }
    50% {
        transform: scale(1.2) rotate(180deg);
    }
    100% {
        transform: scale(1) rotate(360deg);
    }
}

.challenge-card.solved .challenge-badge {
    opacity: 0.6;
}

.challenge-card.solved .challenge-title {
    text-decoration: line-through;
    opacity: 0.7;
}

/* Responsividade do Modal */
@media (max-width: 768px) {
    .challenge-modal-content {
        width: 95%;
        max-height: 95vh;
    }
    
    .challenge-modal-header,
    .challenge-modal-body,
    .challenge-modal-footer {
        padding: 1.5rem;
    }
    
    .challenge-modal-title {
        font-size: 1.5rem;
    }
    
    .flag-input-group {
        flex-direction: column;
    }
    
    .challenge-modal-stats {
        grid-template-columns: 1fr;
    }
}




/* ===================================
   LEADERBOARD PAGE STYLES
   =================================== */

.leaderboard-page #particles-canvas {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    z-index: 0;
    pointer-events: none;
}

.leaderboard-hero {
    min-height: 60vh;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    text-align: center;
    padding: 8rem 2rem 4rem;
    position: relative;
    z-index: 1;
}

.leaderboard-hero h1 {
    font-size: 4.5rem;
    margin: 1.5rem 0 1rem;
    background: linear-gradient(135deg, #FF8C00, #FFA500, #FFD700);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 2rem;
    max-width: 900px;
    margin: 3rem auto 0;
}

.stat-item {
    text-align: center;
    padding: 2rem;
    background: rgba(255, 140, 0, 0.05);
    border: 2px solid rgba(255, 140, 0, 0.2);
    border-radius: 15px;
    transition: all 0.3s ease;
}

.stat-item:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 140, 0, 0.5);
    box-shadow: 0 10px 30px rgba(255, 140, 0, 0.2);
}

.stat-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: #FF8C00;
    margin-bottom: 0.5rem;
}

.stat-label {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.9rem;
    color: var(--color-text-muted);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.leaderboard-section {
    position: relative;
    z-index: 1;
    padding: 4rem 2rem;
}

.leaderboard-table {
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 15px;
    overflow: hidden;
    backdrop-filter: blur(10px);
}

.table-header {
    display: grid;
    grid-template-columns: 100px 1fr 120px 120px 150px;
    gap: 1rem;
    padding: 1.5rem 2rem;
    background: linear-gradient(135deg, rgba(255, 140, 0, 0.2), rgba(255, 165, 0, 0.1));
    border-bottom: 2px solid rgba(255, 140, 0, 0.5);
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    color: #FF8C00;
    text-transform: uppercase;
}

.table-row {
    display: grid;
    grid-template-columns: 100px 1fr 120px 120px 150px;
    gap: 1rem;
    padding: 1.5rem 2rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.05);
    transition: all 0.3s ease;
    align-items: center;
}

.table-row:hover {
    background: rgba(255, 140, 0, 0.05);
    border-left: 4px solid #FF8C00;
    padding-left: calc(2rem - 4px);
}

.table-row:last-child {
    border-bottom: none;
}

/* Top 3 special styling */
.table-row.rank-1 {
    background: linear-gradient(135deg, rgba(255, 215, 0, 0.1), rgba(255, 215, 0, 0.05));
    border-left: 4px solid #FFD700;
    padding-left: calc(2rem - 4px);
}

.table-row.rank-2 {
    background: linear-gradient(135deg, rgba(192, 192, 192, 0.1), rgba(192, 192, 192, 0.05));
    border-left: 4px solid #C0C0C0;
    padding-left: calc(2rem - 4px);
}

.table-row.rank-3 {
    background: linear-gradient(135deg, rgba(205, 127, 50, 0.1), rgba(205, 127, 50, 0.05));
    border-left: 4px solid #CD7F32;
    padding-left: calc(2rem - 4px);
}

.col-rank {
    display: flex;
    align-items: center;
    justify-content: center;
}

.rank-badge {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    min-width: 80px;
    justify-content: center;
    white-space: nowrap;
}

.rank-badge.gold {
    background: linear-gradient(135deg, #FFD700, #FFA500);
    color: #1a1a1a;
    box-shadow: 0 0 20px rgba(255, 215, 0, 0.5);
}

.rank-badge.silver {
    background: linear-gradient(135deg, #C0C0C0, #A8A8A8);
    color: #1a1a1a;
    box-shadow: 0 0 20px rgba(192, 192, 192, 0.5);
}

.rank-badge.bronze {
    background: linear-gradient(135deg, #CD7F32, #B87333);
    color: #1a1a1a;
    box-shadow: 0 0 20px rgba(205, 127, 50, 0.5);
}

/* Badges sem classe (4º em diante) */
.rank-badge:not(.gold):not(.silver):not(.bronze) {
    background: rgba(255, 140, 0, 0.2);
    color: #FF8C00;
    border: 2px solid rgba(255, 140, 0, 0.5);
    box-shadow: 0 0 10px rgba(255, 140, 0, 0.3);
}

.rank-number {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.5rem;
    color: #FF8C00;
}

.col-team {
    display: flex;
    align-items: center;
}

.team-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.team-avatar {
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: linear-gradient(135deg, #FF8C00, #FFA500);
    display: flex;
    align-items: center;
    justify-content: center;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: #1a1a1a;
    border: 2px solid rgba(255, 140, 0, 0.5);
}

.team-details {
    display: flex;
    flex-direction: column;
    gap: 0.25rem;
}

.team-name {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 700;
    font-size: 1.1rem;
    color: #e0e0e0;
}

.team-members {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.9rem;
    color: #888;
}

.col-points {
    display: flex;
    align-items: center;
    justify-content: center;
}

.points-value {
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 1.3rem;
    color: #FF8C00;
}

.col-solved {
    display: flex;
    align-items: center;
    justify-content: center;
}

.solved-count {
    font-family: 'Rajdhani', sans-serif;
    font-weight: 600;
    font-size: 1.1rem;
    color: #e0e0e0;
}

.col-last {
    display: flex;
    align-items: center;
    justify-content: center;
}

.last-flag {
    font-family: 'Rajdhani', sans-serif;
    font-size: 0.95rem;
    color: #888;
}

/* Chart Section */
.chart-section {
    position: relative;
    z-index: 1;
    padding: 4rem 2rem;
    background: rgba(10, 10, 10, 0.5);
}

.chart-container {
    background: rgba(26, 26, 26, 0.8);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 15px;
    padding: 2rem;
    backdrop-filter: blur(10px);
    height: 500px;
}

/* Responsive */
@media (max-width: 1024px) {
    .table-header,
    .table-row {
        grid-template-columns: 80px 1fr 100px 100px 120px;
        gap: 0.75rem;
        padding: 1.25rem 1.5rem;
    }

    .leaderboard-hero h1 {
        font-size: 3.5rem;
    }

    .chart-container {
        height: 400px;
    }
}

@media (max-width: 768px) {
    .table-header {
        display: none;
    }

    .table-row {
        grid-template-columns: 1fr;
        gap: 1rem;
        padding: 1.5rem;
    }

    .col-rank,
    .col-team,
    .col-points,
    .col-solved,
    .col-last {
        justify-content: flex-start;
    }

    .col-rank::before {
        content: 'Posição: ';
        color: #888;
        margin-right: 0.5rem;
    }

    .col-points::before {
        content: 'Pontos: ';
        color: #888;
        margin-right: 0.5rem;
    }

    .col-solved::before {
        content: 'Resolvidos: ';
        color: #888;
        margin-right: 0.5rem;
    }

    .col-last::before {
        content: 'Última Flag: ';
        color: #888;
        margin-right: 0.5rem;
    }

    .leaderboard-hero h1 {
        font-size: 2.5rem;
    }

    .chart-container {
        height: 350px;
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .leaderboard-hero {
        padding: 6rem 1rem 3rem;
    }

    .leaderboard-hero h1 {
        font-size: 2rem;
    }

    .chart-container {
        height: 300px;
    }
}


/* ========================================
   MODAL DE DESAFIOS
   ======================================== */

/* Modal Background */
.modal-content {
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.98) 0%, rgba(10, 10, 10, 0.98) 100%) !important;
    border: 2px solid rgba(255, 140, 0, 0.3) !important;
    border-radius: 16px !important;
    color: #e0e0e0 !important;
}

.modal-body {
    padding: 2rem !important;
}

.modal .btn-close {
    filter: invert(1) !important;
    opacity: 0.8 !important;
}

.modal .btn-close:hover {
    opacity: 1 !important;
}

/* Tabs do Modal */
.modal .nav-tabs {
    border-bottom: 2px solid rgba(255, 140, 0, 0.3) !important;
    margin-bottom: 2rem !important;
}

.modal .nav-tabs .nav-link {
    font-family: 'Rajdhani', sans-serif !important;
    font-weight: 600 !important;
    color: #888 !important;
    border: none !important;
    border-bottom: 3px solid transparent !important;
    background: transparent !important;
    padding: 0.75rem 1.5rem !important;
    transition: all 0.3s ease !important;
}

.modal .nav-tabs .nav-link:hover {
    color: #FF8C00 !important;
    border-bottom-color: rgba(255, 140, 0, 0.3) !important;
}

.modal .nav-tabs .nav-link.active {
    color: #FF8C00 !important;
    border-bottom-color: #FF8C00 !important;
    background: transparent !important;
}

/* Título do Desafio */
.modal h2 {
    font-family: 'Orbitron', sans-serif !important;
    font-size: 2rem !important;
    font-weight: 700 !important;
    color: #FF8C00 !important;
    text-shadow: 0 0 20px rgba(255, 140, 0, 0.3) !important;
    margin-bottom: 1rem !important;
}

.modal h3 {
    font-family: 'Orbitron', sans-serif !important;
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    color: #FFA500 !important;
    margin-bottom: 1.5rem !important;
}

/* Tags */
.modal .badge {
    font-family: 'Rajdhani', sans-serif !important;
    background: rgba(255, 140, 0, 0.2) !important;
    border: 1px solid rgba(255, 140, 0, 0.4) !important;
    color: #FF8C00 !important;
    padding: 0.4rem 1rem !important;
    border-radius: 20px !important;
    margin: 0.25rem !important;
}

/* Descrição */
.modal p {
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 1.1rem !important;
    line-height: 1.8 !important;
    color: #b0b0b0 !important;
}

/* Campo de Input */
.modal input[type="text"],
.modal input[placeholder="Flag"] {
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 1.1rem !important;
    background: rgba(26, 26, 26, 0.8) !important;
    border: 2px solid rgba(255, 140, 0, 0.3) !important;
    color: #e0e0e0 !important;
    padding: 0.75rem 1rem !important;
    border-radius: 8px !important;
    transition: all 0.3s ease !important;
}

.modal input[type="text"]:focus,
.modal input[placeholder="Flag"]:focus {
    background: rgba(26, 26, 26, 0.9) !important;
    border-color: #FF8C00 !important;
    box-shadow: 0 0 20px rgba(255, 140, 0, 0.2) !important;
    outline: none !important;
    color: #e0e0e0 !important;
}

/* Botão de Submit */
.modal button[type="submit"] {
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 1.1rem !important;
    font-weight: 700 !important;
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%) !important;
    border: 2px solid #FF8C00 !important;
    color: #1a1a2e !important;
    padding: 0.75rem 2rem !important;
    border-radius: 8px !important;
    transition: all 0.3s ease !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
}

.modal button[type="submit"]:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4) !important;
    color: #1a1a2e !important;
}

/* Links */
.modal a {
    color: #FF8C00 !important;
    text-decoration: none !important;
    transition: color 0.3s ease !important;
}

.modal a:hover {
    color: #FFA500 !important;
    text-decoration: underline !important;
}

/* Tabelas */
.modal table {
    font-family: 'Rajdhani', sans-serif !important;
    color: #b0b0b0 !important;
}

.modal table thead {
    border-bottom: 2px solid rgba(255, 140, 0, 0.3) !important;
}

.modal table th {
    color: #FF8C00 !important;
    font-weight: 600 !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
}

.modal table td {
    border-top: 1px solid rgba(255, 140, 0, 0.1) !important;
}

/* ===== Modal de Desafio ===== */
.modal {
    display: none;
    position: fixed;
    z-index: 9999;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.8) !important;
    backdrop-filter: blur(5px);
}

.modal.show {
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
}

@media (min-width: 576px) {
    .modal-dialog {
        margin: 1.75rem auto !important;
    }
}

.modal-dialog {
    position: relative;
    width: auto;
    max-width: 600px;
    margin: 1.75rem auto;
    pointer-events: none;
}

.modal-content {
    position: relative;
    display: flex;
    flex-direction: column;
    width: 100%;
    pointer-events: auto;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.98) 0%, rgba(10, 10, 10, 0.98) 100%) !important;
    border: 2px solid rgba(255, 140, 0, 0.5) !important;
    border-radius: 12px !important;
    box-shadow: 0 10px 50px rgba(255, 140, 0, 0.3) !important;
    backdrop-filter: blur(10px);
}

.modal-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 1.5rem !important;
    border-bottom: 1px solid rgba(255, 140, 0, 0.3) !important;
    background: rgba(255, 140, 0, 0.05) !important;
}

.modal-title {
    font-family: 'Orbitron', sans-serif !important;
    font-size: 1.5rem !important;
    font-weight: 700 !important;
    color: #FF8C00 !important;
    margin: 0 !important;
    text-shadow: 0 0 20px rgba(255, 140, 0, 0.5);
}

.modal-body {
    position: relative;
    flex: 1 1 auto;
    padding: 1.5rem !important;
    color: #e0e0e0 !important;
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 1.1rem !important;
    line-height: 1.6 !important;
}

.modal-footer {
    display: flex;
    align-items: center;
    justify-content: flex-end;
    padding: 1rem 1.5rem !important;
    border-top: 1px solid rgba(255, 140, 0, 0.3) !important;
    background: rgba(255, 140, 0, 0.05) !important;
}

.modal-body p {
    color: #b0b0b0 !important;
    margin-bottom: 1rem !important;
}

.modal-body h1,
.modal-body h2,
.modal-body h3,
.modal-body h4,
.modal-body h5,
.modal-body h6 {
    font-family: 'Orbitron', sans-serif !important;
    color: #FF8C00 !important;
    margin-bottom: 1rem !important;
}

.modal-body input[type="text"],
.modal-body input[type="password"],
.modal-body textarea {
    width: 100% !important;
    padding: 0.8rem !important;
    background: rgba(26, 26, 26, 0.8) !important;
    border: 2px solid rgba(255, 140, 0, 0.3) !important;
    border-radius: 8px !important;
    color: #e0e0e0 !important;
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 1rem !important;
    transition: all 0.3s ease !important;
}

.modal-body input[type="text"]:focus,
.modal-body input[type="password"]:focus,
.modal-body textarea:focus {
    outline: none !important;
    border-color: #FF8C00 !important;
    box-shadow: 0 0 15px rgba(255, 140, 0, 0.3) !important;
}

.modal-body button,
.modal-body .btn {
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    padding: 0.8rem 2rem !important;
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%) !important;
    border: none !important;
    border-radius: 50px !important;
    color: #1a1a1a !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
}

.modal-body button:hover,
.modal-body .btn:hover {
    transform: translateY(-2px) !important;
    box-shadow: 0 5px 20px rgba(255, 140, 0, 0.5) !important;
}

.modal-body .btn-close,
.modal-header .btn-close {
    background: transparent !important;
    border: 2px solid rgba(255, 140, 0, 0.5) !important;
    color: #FF8C00 !important;
    opacity: 1 !important;
    font-size: 1.5rem !important;
    width: 40px !important;
    height: 40px !important;
    border-radius: 50% !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.3s ease !important;
}

.modal-body .btn-close:hover,
.modal-header .btn-close:hover {
    background: rgba(255, 140, 0, 0.2) !important;
    border-color: #FF8C00 !important;
    transform: rotate(90deg) !important;
}

/* Badges no Modal */
.modal-body .badge {
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    padding: 0.4rem 1rem !important;
    border-radius: 20px !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
    margin-right: 0.5rem !important;
    display: inline-block !important;
}

/* Tabs no Modal */
.modal-body .nav-tabs {
    border-bottom: 2px solid rgba(255, 140, 0, 0.3) !important;
    margin-bottom: 1.5rem !important;
}

.modal-body .nav-tabs .nav-link {
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 1rem !important;
    font-weight: 600 !important;
    color: #888 !important;
    border: none !important;
    border-bottom: 3px solid transparent !important;
    padding: 0.8rem 1.5rem !important;
    transition: all 0.3s ease !important;
}

.modal-body .nav-tabs .nav-link:hover {
    color: #FF8C00 !important;
    border-bottom-color: rgba(255, 140, 0, 0.5) !important;
}

.modal-body .nav-tabs .nav-link.active {
    color: #FF8C00 !important;
    background: transparent !important;
    border-bottom-color: #FF8C00 !important;
}

/* Alertas no Modal */
.modal-body .alert {
    padding: 1rem !important;
    border-radius: 8px !important;
    margin-bottom: 1rem !important;
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 1rem !important;
}

.modal-body .alert-success {
    background: rgba(50, 205, 50, 0.2) !important;
    border: 1px solid #32CD32 !important;
    color: #32CD32 !important;
}

.modal-body .alert-danger {
    background: rgba(255, 0, 0, 0.2) !important;
    border: 1px solid #FF0000 !important;
    color: #FF0000 !important;
}

.modal-body .alert-info {
    background: rgba(0, 150, 255, 0.2) !important;
    border: 1px solid #0096FF !important;
    color: #0096FF !important;
}

/* Links no Modal */
.modal-body a {
    color: #FF8C00 !important;
    text-decoration: none !important;
    transition: all 0.3s ease !important;
}

.modal-body a:hover {
    color: #FFA500 !important;
    text-decoration: underline !important;
}

/* Tabelas no Modal */
.modal-body table {
    width: 100% !important;
    border-collapse: collapse !important;
    margin-bottom: 1rem !important;
}

.modal-body table th {
    font-family: 'Orbitron', sans-serif !important;
    font-size: 0.9rem !important;
    font-weight: 600 !important;
    color: #FF8C00 !important;
    text-transform: uppercase !important;
    padding: 0.8rem !important;
    border-bottom: 2px solid rgba(255, 140, 0, 0.3) !important;
    text-align: left !important;
}

.modal-body table td {
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 1rem !important;
    color: #b0b0b0 !important;
    padding: 0.8rem !important;
    border-bottom: 1px solid rgba(255, 140, 0, 0.1) !important;
}

.modal-body table tr:hover {
    background: rgba(255, 140, 0, 0.05) !important;
}

/* ===== Páginas de Autenticação ===== */
.auth-container {
    padding: 15rem 2rem 12rem 2rem;
}

/* Responsivo */
@media (max-width: 768px) {
    .modal-dialog {
        max-width: 95%;
        margin: 1rem auto;
    }
    
    .modal-title {
        font-size: 1.2rem !important;
    }
    
    .modal-body {
        font-size: 1rem !important;
    }
}

/* ===== Correções de Estilo do Modal ===== */

/* Botão de fechar (X) */
.modal-header .btn-close,
.modal-header button[aria-label="Close"] {
    background: transparent !important;
    border: 2px solid rgba(255, 140, 0, 0.5) !important;
    border-radius: 50% !important;
    width: 35px !important;
    height: 35px !important;
    padding: 0 !important;
    opacity: 1 !important;
    color: #FF8C00 !important;
    font-size: 1.2rem !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    transition: all 0.3s ease !important;
    position: relative !important;
}

.modal-header .btn-close:hover,
.modal-header button[aria-label="Close"]:hover {
    background: rgba(255, 140, 0, 0.2) !important;
    border-color: #FF8C00 !important;
    transform: rotate(90deg) !important;
}

.modal-header .btn-close::before,
.modal-header button[aria-label="Close"]::before {
    content: "×" !important;
    color: #FF8C00 !important;
    font-size: 1.8rem !important;
    line-height: 1 !important;
}

/* Remover círculo azul do botão de fechar */
.modal-header button:focus {
    outline: none !important;
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.3) !important;
}

/* Tabs (Desafio / Resoluções) */
.nav-tabs {
    border-bottom: 2px solid rgba(255, 140, 0, 0.3) !important;
    margin-bottom: 1.5rem !important;
}

.nav-tabs .nav-link {
    font-family: 'Orbitron', sans-serif !important;
    font-size: 0.95rem !important;
    font-weight: 600 !important;
    color: #888 !important;
    background: transparent !important;
    border: none !important;
    border-bottom: 3px solid transparent !important;
    padding: 0.75rem 1.5rem !important;
    margin-bottom: -2px !important;
    transition: all 0.3s ease !important;
    text-transform: uppercase !important;
    letter-spacing: 1px !important;
}

.nav-tabs .nav-link:hover {
    color: #FF8C00 !important;
    border-bottom-color: rgba(255, 140, 0, 0.5) !important;
}

.nav-tabs .nav-link.active {
    color: #FF8C00 !important;
    background: transparent !important;
    border-bottom-color: #FF8C00 !important;
    text-shadow: 0 0 10px rgba(255, 140, 0, 0.5) !important;
}

/* Remover mensagens "undefined" */
.modal-body > div:last-child {
    display: none !important;
}

/* Estilizar mensagens de erro/sucesso */
.alert {
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 1rem !important;
    padding: 0.75rem 1rem !important;
    border-radius: 8px !important;
    margin-top: 1rem !important;
    border: none !important;
}

.alert-danger {
    background: rgba(220, 53, 69, 0.2) !important;
    color: #ff6b6b !important;
    border-left: 4px solid #dc3545 !important;
}

.alert-success {
    background: rgba(40, 167, 69, 0.2) !important;
    color: #51cf66 !important;
    border-left: 4px solid #28a745 !important;
}

/* Input de flag */
.modal-body input[type="text"],
.modal-body input[placeholder*="flag"] {
    width: 100% !important;
    padding: 0.75rem 1rem !important;
    background: rgba(30, 30, 30, 0.8) !important;
    border: 2px solid rgba(100, 100, 100, 0.5) !important;
    border-radius: 8px !important;
    color: #e0e0e0 !important;
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 1rem !important;
    transition: all 0.3s ease !important;
    margin-bottom: 1rem !important;
}

.modal-body input[type="text"]:focus,
.modal-body input[placeholder*="flag"]:focus {
    outline: none !important;
    border-color: #FF8C00 !important;
    box-shadow: 0 0 15px rgba(255, 140, 0, 0.3) !important;
    background: rgba(40, 40, 40, 0.9) !important;
}

/* Botão ENVIAR */
.modal-body button[type="submit"],
.modal-body .btn-primary {
    font-family: 'Orbitron', sans-serif !important;
    font-size: 1rem !important;
    font-weight: 700 !important;
    text-transform: uppercase !important;
    letter-spacing: 2px !important;
    padding: 0.75rem 2rem !important;
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%) !important;
    border: 2px solid #FF8C00 !important;
    border-radius: 8px !important;
    color: #000 !important;
    cursor: pointer !important;
    transition: all 0.3s ease !important;
    box-shadow: 0 4px 15px rgba(255, 140, 0, 0.4) !important;
}

.modal-body button[type="submit"]:hover,
.modal-body .btn-primary:hover {
    background: linear-gradient(135deg, #FFA500 0%, #FFB52E 100%) !important;
    transform: translateY(-2px) !important;
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.6) !important;
}

.modal-body button[type="submit"]:active,
.modal-body .btn-primary:active {
    transform: translateY(0) !important;
}

/* Tags/Badges no modal */
.modal-body .badge {
    font-family: 'Rajdhani', sans-serif !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    padding: 0.4rem 0.8rem !important;
    border-radius: 6px !important;
    margin-right: 0.5rem !important;
    margin-bottom: 0.5rem !important;
    display: inline-block !important;
    text-transform: uppercase !important;
    letter-spacing: 0.5px !important;
}

/* Pontuação */
.modal-body h2,
.modal-body h3 {
    font-family: 'Orbitron', sans-serif !important;
    color: #FF8C00 !important;
    font-size: 1.8rem !important;
    margin-bottom: 1rem !important;
    text-shadow: 0 0 20px rgba(255, 140, 0, 0.5) !important;
}

/* Links de download */
.modal-body a {
    color: #FF8C00 !important;
    text-decoration: none !important;
    font-weight: 600 !important;
    transition: all 0.3s ease !important;
}

.modal-body a:hover {
    color: #FFA500 !important;
    text-shadow: 0 0 10px rgba(255, 140, 0, 0.5) !important;
}

/* Esconder elementos "undefined" */
.modal-body > *:empty {
    display: none !important;
}


/* ===== MODAL DE DESAFIO - DESIGN CUSTOMIZADO ===== */

/* Modal mais largo */
#challenge-window .modal-dialog {
  max-width: 900px !important;
  width: 90% !important;
}

/* Estilo do modal */
#challenge-window .modal-content {
  background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%) !important;
  border: 2px solid #FF8C00 !important;
  border-radius: 15px !important;
  box-shadow: 0 0 50px rgba(255, 140, 0, 0.3) !important;
  color: #e0e0e0 !important;
  padding: 40px !important;
}

/* Remover tabs padrão */
#challenge-window .nav-tabs {
  display: none !important;
}

/* Estilizar o body do modal */
#challenge-window .modal-body {
  padding: 0 !important;
  color: #e0e0e0 !important;
}

/* Título do desafio */
#challenge-window .challenge-name,
#challenge-window h3.challenge-name {
  font-family: 'Orbitron', sans-serif !important;
  font-size: 36px !important;
  font-weight: bold !important;
  color: #FF8C00 !important;
  margin: 20px 0 !important;
  text-shadow: 0 0 10px rgba(255, 140, 0, 0.5) !important;
}

/* Badges de categoria e tags */
#challenge-window .badge,
#challenge-window .challenge-tags .badge {
  background: linear-gradient(135deg, #8b5cf6 0%, #6d28d9 100%) !important;
  color: white !important;
  padding: 8px 20px !important;
  border-radius: 20px !important;
  font-size: 12px !important;
  font-weight: bold !important;
  text-transform: uppercase !important;
  letter-spacing: 1px !important;
  margin-right: 10px !important;
}

/* Descrição do desafio */
#challenge-window .challenge-desc,
#challenge-window .challenge-description {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 2.4em;
  background: rgba(255, 140, 0, 0.05) !important;
  border-left: 4px solid #FF8C00 !important;
  padding: 20px !important;
  border-radius: 8px !important;
  color: #e0e0e0 !important;
  line-height: 1.8 !important;
  font-size: 15px !important;
  margin: 30px 0 !important;
}

/* Seções do modal */
#challenge-window .challenge-section {
  margin: 30px 0 !important;
}

/* Títulos de seção */
#challenge-window .challenge-section h4,
#challenge-window .challenge-section h5 {
  font-family: 'Orbitron', sans-serif !important;
  font-size: 18px !important;
  font-weight: bold !important;
  color: #FF8C00 !important;
  margin-bottom: 15px !important;
  display: flex !important;
  align-items: center !important;
  gap: 10px !important;
}

/* Links e botões de arquivo */
#challenge-window .challenge-files a,
#challenge-window a[href*="/files/"] {
  background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
  color: white !important;
  padding: 12px 30px !important;
  border-radius: 8px !important;
  border: none !important;
  font-weight: bold !important;
  text-decoration: none !important;
  display: inline-flex !important;
  align-items: center !important;
  gap: 10px !important;
  transition: all 0.3s ease !important;
  margin: 5px !important;
}

#challenge-window .challenge-files a:hover,
#challenge-window a[href*="/files/"]:hover {
  background: linear-gradient(135deg, #2563eb 0%, #1d4ed8 100%) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 5px 15px rgba(59, 130, 246, 0.4) !important;
  text-decoration: none !important;
  color: white !important;
}

/* Input de flag */
#challenge-window input[name="submission"],
#challenge-window .challenge-input {
  flex: 1 !important;
  background: rgba(255, 255, 255, 0.05) !important;
  border: 2px solid rgba(255, 140, 0, 0.3) !important;
  border-radius: 8px !important;
  padding: 15px 20px !important;
  color: #e0e0e0 !important;
  font-size: 15px !important;
  font-family: 'Courier New', monospace !important;
  transition: all 0.3s ease !important;
  width: 100% !important;
}

#challenge-window input[name="submission"]:focus,
#challenge-window .challenge-input:focus {
  outline: none !important;
  border-color: #FF8C00 !important;
  background: rgba(255, 140, 0, 0.1) !important;
  box-shadow: 0 0 15px rgba(255, 140, 0, 0.3) !important;
}

/* Botão de submit */
#challenge-window button[type="submit"],
#challenge-window .btn-submit,
#challenge-window .submit-challenge {
  background: linear-gradient(135deg, #FF8C00 0%, #FF6B00 100%) !important;
  color: white !important;
  padding: 15px 40px !important;
  border-radius: 8px !important;
  border: none !important;
  font-weight: bold !important;
  font-size: 16px !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
  text-transform: uppercase !important;
  letter-spacing: 1px !important;
  margin-top: 15px !important;
}

#challenge-window button[type="submit"]:hover,
#challenge-window .btn-submit:hover,
#challenge-window .submit-challenge:hover {
  background: linear-gradient(135deg, #FF6B00 0%, #FF4500 100%) !important;
  transform: translateY(-2px) !important;
  box-shadow: 0 5px 15px rgba(255, 140, 0, 0.4) !important;
}

/* Botão de fechar */
#challenge-window .close,
#challenge-window button.close {
  position: absolute !important;
  top: 20px !important;
  right: 20px !important;
  background: transparent !important;
  border: none !important;
  color: #e0e0e0 !important;
  font-size: 32px !important;
  cursor: pointer !important;
  z-index: 10 !important;
  transition: all 0.3s ease !important;
  opacity: 1 !important;
}

#challenge-window .close:hover,
#challenge-window button.close:hover {
  color: #FF8C00 !important;
  transform: rotate(90deg) !important;
}

/* Informações do desafio (pontos, resoluções, etc) */
#challenge-window .challenge-value,
#challenge-window .challenge-solves,
#challenge-window .challenge-author {
  color: #a0a0a0 !important;
  font-size: 14px !important;
  margin-right: 20px !important;
}

/* Dividers */
#challenge-window hr {
  border: none !important;
  height: 1px !important;
  background: linear-gradient(90deg, transparent 0%, #FF8C00 50%, transparent 100%) !important;
  margin: 30px 0 !important;
}

/* Hints */
#challenge-window .hint-button,
#challenge-window .btn-hint {
  background: rgba(255, 140, 0, 0.1) !important;
  border: 2px solid rgba(255, 140, 0, 0.3) !important;
  color: #FF8C00 !important;
  padding: 12px 20px !important;
  border-radius: 8px !important;
  font-weight: bold !important;
  cursor: pointer !important;
  transition: all 0.3s ease !important;
  margin: 5px !important;
}

#challenge-window .hint-button:hover,
#challenge-window .btn-hint:hover {
  background: rgba(255, 140, 0, 0.2) !important;
  border-color: #FF8C00 !important;
  transform: translateX(5px) !important;
}

/* Alerts de sucesso/erro */
#challenge-window .alert-success {
  background: rgba(16, 185, 129, 0.2) !important;
  border: 2px solid #10b981 !important;
  color: #10b981 !important;
  border-radius: 8px !important;
  padding: 15px !important;
  margin-top: 15px !important;
}

#challenge-window .alert-danger,
#challenge-window .alert-error {
  background: rgba(239, 68, 68, 0.2) !important;
  border: 2px solid #ef4444 !important;
  color: #ef4444 !important;
  border-radius: 8px !important;
  padding: 15px !important;
  margin-top: 15px !important;
}

/* Remover fundo padrão do modal */
#challenge-window .modal-header {
  background: transparent !important;
  border-bottom: none !important;
  padding: 0 !important;
}

#challenge-window .modal-footer {
  background: transparent !important;
  border-top: none !important;
  padding: 0 !important;
}


/* ============================================
   ESTILOS DOS DESAFIOS EXPANSÍVEIS
   ============================================ */

.challenges-hero {
    padding: 120px 0 60px;
    text-align: center;
    position: relative;
    z-index: 1;
}

.challenges-hero .badge {
    display: inline-block;
    padding: 8px 20px;
    border: 2px solid #FF8C00;
    border-radius: 20px;
    color: #FF8C00;
    font-family: 'Orbitron', sans-serif;
    font-size: 0.9rem;
    font-weight: 600;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.challenges-hero h1 {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    color: #FF8C00;
    margin-bottom: 20px;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.challenges-hero .subtitle {
    font-size: 1.2rem;
    color: #b0b0b0;
    margin-bottom: 40px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}

.hero-stats {
    display: flex;
    justify-content: center;
    gap: 60px;
}

.stat-item {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.stat-number {
    font-family: 'Orbitron', sans-serif;
    font-size: 2.5rem;
    font-weight: 700;
    color: #FF8C00;
    margin-bottom: 5px;
}

.stat-label {
    font-size: 0.9rem;
    color: #808080;
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* Filtros de Categoria */
.category-filters {
    padding: 30px 0;
    background: rgba(26, 26, 26, 0.5);
    border-top: 1px solid rgba(255, 140, 0, 0.2);
    border-bottom: 1px solid rgba(255, 140, 0, 0.2);
    position: sticky;
    top: 70px;
    z-index: 100;
    backdrop-filter: blur(10px);
}

.category-filters .container {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
    gap: 15px;
}

.filter-btn {
    padding: 10px 20px;
    background: rgba(255, 255, 255, 0.05);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 25px;
    color: #b0b0b0;
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.filter-btn:hover {
    background: rgba(255, 140, 0, 0.1);
    border-color: #FF8C00;
    color: #FF8C00;
    transform: translateY(-2px);
}

.filter-btn.active {
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%);
    border-color: #FF8C00;
    color: #000;
    box-shadow: 0 0 20px rgba(255, 140, 0, 0.5);
}

/* Grid de Desafios */
.challenges-grid {
    padding: 60px 0 100px;
    min-height: 60vh;
}

.challenges-grid .container {

}

#challenges-container {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(420px, 1fr));
    gap: 20px;

}

/* Alinhamento dos badges no modal de desafio */
.challenge-modal-badges {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-wrap: wrap;
}

.challenge-modal-category,
.challenge-modal-difficulty,
.challenge-modal-solved {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    padding: 6px 12px !important;
    font-size: 0.85rem !important;
    font-weight: 600 !important;
    border-radius: 6px !important;
    line-height: 1 !important;
    height: auto !important;
    vertical-align: middle !important;
}

/* Cards de Desafio */
.challenge-card {
    height: 280px;
    background: linear-gradient(135deg, rgba(26, 26, 26, 0.9) 0%, rgba(40, 40, 40, 0.9) 100%);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 15px;
    padding: 25px;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.challenge-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, transparent, #FF8C00, transparent);
    opacity: 0;
    transition: opacity 0.3s ease;
}

.challenge-card:hover {
    border-color: #FF8C00;
    transform: translateY(-5px);
    box-shadow: 0 10px 30px rgba(255, 140, 0, 0.3);
}

.challenge-card:hover::before {
    opacity: 1;
}

.challenge-card.expanded {
    border-color: #FF8C00;
    box-shadow: 0 10px 40px rgba(255, 140, 0, 0.4);
}

.challenge-card.solved {
    border-color: #00FF00;
    background: linear-gradient(135deg, rgba(0, 255, 0, 0.05) 0%, rgba(26, 26, 26, 0.9) 100%);
}

.challenge-card.solved::before {
    /* Círculo verde removido */
    display: none;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 15px;
}

.category-badge {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.category-badge.crypto {
    background: rgba(138, 43, 226, 0.2);
    color: #9370DB;
    border: 1px solid #9370DB;
}

.category-badge.web {
    background: rgba(0, 191, 255, 0.2);
    color: #00BFFF;
    border: 1px solid #00BFFF;
}

.category-badge.forensics {
    background: rgba(255, 69, 0, 0.2);
    color: #FF4500;
    border: 1px solid #FF4500;
}

.category-badge.stego {
    background: rgba(255, 20, 147, 0.2);
    color: #FF1493;
    border: 1px solid #FF1493;
}

.category-badge.reverse {
    background: rgba(50, 205, 50, 0.2);
    color: #32CD32;
    border: 1px solid #32CD32;
}

.category-badge.misc {
    background: rgba(255, 215, 0, 0.2);
    color: #FFD700;
    border: 1px solid #FFD700;
}

.category-badge.osint {
    background: rgba(255, 215, 0, 0.2);
    color: #FFD700;
    border: 1px solid #FFD700;
}

.category-badge.wireless {
    background: rgba(0, 191, 255, 0.2);
    color: #00BFFF;
    border: 1px solid #00BFFF;
}

.category-badge.box {
    background: rgba(139, 90, 43, 0.2);
    color: #8B5A2B;
    border: 1px solid #8B5A2B;
}

.category-badge.start {
    background: rgba(34, 139, 34, 0.2);
    color: #228B22;
    border: 1px solid #228B22;
}

.difficulty {
    padding: 6px 14px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.difficulty.easy {
    background: rgba(0, 255, 0, 0.2);
    color: #00FF00;
    border: 1px solid #00FF00;
}

.difficulty.medium {
    background: rgba(255, 215, 0, 0.2);
    color: #FFD700;
    border: 1px solid #FFD700;
}

.difficulty.hard {
    background: rgba(255, 0, 0, 0.2);
    color: #FF4444;
    border: 1px solid #FF4444;
}

.challenge-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: #FF8C00;
    margin-bottom: 12px;
}

.challenge-description {
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    text-overflow: ellipsis;
    min-height: 2.4em;
    color: #b0b0b0;
    font-size: 0.95rem;
    line-height: 1.6;
    margin-bottom: 20px;
}

.card-footer {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding-top: 15px;
    border-top: 1px solid rgba(255, 140, 0, 0.2);
}

.points, .solves {
    font-size: 0.9rem;
    color: #808080;
}

.points {
    color: #FF8C00;
    font-weight: 600;
}

/* Conteúdo Expandido */
.challenge-expanded {
    margin-top: 20px;
    animation: slideDown 0.3s ease;
}

@keyframes slideDown {
    from {
        opacity: 0;
        transform: translateY(-10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.expanded-divider {
    height: 2px;
    background: linear-gradient(90deg, transparent, #FF8C00, transparent);
    margin: 20px 0;
}

.expanded-section {
    margin-bottom: 25px;
}

.expanded-section h4 {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.1rem;
    color: #FF8C00;
    margin-bottom: 12px;
    display: flex;
    align-items: center;
    gap: 8px;
}

.description-box {
    background: rgba(0, 0, 0, 0.3);
    border-left: 3px solid #FF8C00;
    padding: 15px;
    border-radius: 5px;
    color: #d0d0d0;
    line-height: 1.6;
}

.connection-box {
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 140, 0, 0.3);
    padding: 15px;
    border-radius: 5px;
}

.connection-box code {
    color: #00BFFF;
    font-family: 'Courier New', monospace;
    font-size: 0.95rem;
}

.files-list {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.file-download {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: rgba(0, 123, 255, 0.2);
    border: 1px solid #007BFF;
    border-radius: 5px;
    color: #007BFF;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
}

.file-download:hover {
    background: rgba(0, 123, 255, 0.3);
    transform: translateY(-2px);
}

.tags-list {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
}

.tag {
    padding: 5px 12px;
    background: rgba(255, 140, 0, 0.1);
    border: 1px solid rgba(255, 140, 0, 0.3);
    border-radius: 15px;
    color: #FF8C00;
    font-size: 0.85rem;
}

/* Formulário de Flag */
.flag-form {
    margin-top: 15px;
}

.flag-input-group {
    display: flex;
    gap: 10px;
}

.flag-input {
    flex: 1;
    padding: 12px 20px;
    background: rgba(0, 0, 0, 0.3);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 8px;
    color: #fff;
    font-family: 'Courier New', monospace;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.flag-input:focus {
    outline: none;
    border-color: #FF8C00;
    box-shadow: 0 0 15px rgba(255, 140, 0, 0.3);
}

.submit-btn {
    padding: 12px 30px;
    background: linear-gradient(135deg, #FF8C00 0%, #FFA500 100%);
    border: none;
    border-radius: 8px;
    color: #000;
    font-family: 'Orbitron', sans-serif;
    font-size: 1rem;
    font-weight: 700;
    cursor: pointer;
    transition: all 0.3s ease;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.submit-btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 5px 20px rgba(255, 140, 0, 0.5);
}

.submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid #000;
    border-top-color: transparent;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.flag-feedback {
    margin-top: 15px;
    padding: 12px 20px;
    border-radius: 8px;
    font-weight: 600;
    text-align: center;
}

.flag-feedback.success {
    background: rgba(0, 255, 0, 0.2);
    border: 1px solid #00FF00;
    color: #00FF00;
}

.flag-feedback.error {
    background: rgba(255, 0, 0, 0.2);
    border: 1px solid #FF4444;
    color: #FF4444;
}

.flag-feedback.info {
    background: rgba(0, 191, 255, 0.2);
    border: 1px solid #00BFFF;
    color: #00BFFF;
}

/* Loading Spinner */
.loading-spinner {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-height: 60vh;
    text-align: center;
    padding: 60px 20px;
}

.spinner {
    width: 50px;
    height: 50px;
    border: 4px solid rgba(255, 140, 0, 0.2);
    border-top-color: #FF8C00;
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 20px;
}

.no-challenges {
    text-align: center;
    padding: 60px 20px;
    color: #808080;
    font-size: 1.2rem;
}

/* Responsividade */
@media (max-width: 768px) {
    .challenges-hero h1 {
        font-size: 2.5rem;
    }
    
    .hero-stats {
        flex-direction: column;
        gap: 30px;
    }
    
    .challenges-grid .container {
        grid-template-columns: 1fr;
    }
    
    .flag-input-group {
        flex-direction: column;
    }
    
    .submit-btn {
        width: 100%;
    }
}



/* ===== Modal de Desafio ===== */
.challenge-modal {
    display: none;
    position: fixed;
    z-index: 10000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    overflow: auto;
    background-color: rgba(0, 0, 0, 0.9);
    backdrop-filter: blur(10px);
    animation: fadeIn 0.3s ease;
}

.challenge-modal.show {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.challenge-modal-content {
    background: linear-gradient(135deg, rgba(20, 20, 30, 0.98) 0%, rgba(10, 10, 15, 0.98) 100%);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 16px;
    padding: 2.5rem;
    width: 90%;
    max-width: 800px;
    max-height: 90vh;
    overflow-y: auto;
    position: relative;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.7), 0 0 60px rgba(255, 140, 0, 0.2);
    animation: slideUp 0.4s ease;
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(30px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.challenge-modal-close {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    font-size: 2.5rem;
    font-weight: 300;
    color: var(--color-text-muted);
    cursor: pointer;
    transition: var(--transition-fast);
    line-height: 1;
    width: 40px;
    height: 40px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    z-index: 10;
}

.challenge-modal-close:hover {
    color: var(--color-primary);
    background: rgba(255, 140, 0, 0.15);
    transform: rotate(90deg);
}

.challenge-modal-header {
    margin-bottom: 2rem;
    padding-bottom: 1.5rem;
    border-bottom: 2px solid rgba(255, 140, 0, 0.2);
}

.challenge-modal-badges {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
    flex-wrap: wrap;
}

.challenge-modal-category,
.challenge-modal-difficulty,
.challenge-modal-solved {
    padding: 0.4rem 1rem;
    border-radius: 6px;
    font-size: 0.85rem;
    font-weight: 600;
    font-family: var(--font-primary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.challenge-modal-solved {
    background: linear-gradient(135deg, #10b981 0%, #047857 100%);
    color: white;
}

.challenge-modal-title {
    font-family: var(--font-primary);
    font-size: 2rem;
    font-weight: 700;
    color: var(--color-text);
    margin-bottom: 1rem;
    line-height: 1.2;
}

.challenge-modal-meta {
    display: flex;
    gap: 1.5rem;
    flex-wrap: wrap;
    font-size: 0.95rem;
    color: var(--color-text-muted);
}

.challenge-modal-meta span {
    display: flex;
    align-items: center;
    gap: 0.4rem;
}

.challenge-modal-body {
    margin-bottom: 2rem;
}

.challenge-modal-section {
    margin-bottom: 1.5rem;
}

.challenge-modal-section h4 {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 0.75rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.challenge-modal-description {
    background: rgba(0, 0, 0, 0.3);
    border-left: 3px solid var(--color-primary);
    padding: 1rem;
    border-radius: 6px;
    line-height: 1.6;
    color: var(--color-text);
}

.challenge-files-list {
    display: flex;
    flex-direction: column;
    gap: 0.75rem;
}

.challenge-file-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    background: rgba(0, 0, 0, 0.3);
    border: 1px solid rgba(255, 140, 0, 0.2);
    border-radius: 8px;
    padding: 0.75rem 1rem;
    transition: var(--transition-fast);
}

.challenge-file-item:hover {
    border-color: var(--color-primary);
    background: rgba(255, 140, 0, 0.05);
}

.challenge-file-info {
    display: flex;
    align-items: center;
    gap: 0.75rem;
}

.challenge-file-icon {
    font-size: 1.5rem;
}

.challenge-file-name {
    font-weight: 500;
    color: var(--color-text);
}

.challenge-file-download {
    background: var(--gradient-primary);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.85rem;
    transition: var(--transition-fast);
    white-space: nowrap;
}

.challenge-file-download:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(255, 140, 0, 0.4);
}

.challenge-connection-info {
    background: rgba(0, 0, 0, 0.5);
    border: 1px solid rgba(255, 140, 0, 0.3);
    border-radius: 6px;
    padding: 1rem;
}

.challenge-connection-info code {
    font-family: 'Courier New', monospace;
    color: var(--color-accent);
    font-size: 0.95rem;
}

.challenge-tags-list {
    display: flex;
    gap: 0.5rem;
    flex-wrap: wrap;
}

.challenge-tags-list .tag {
    background: rgba(255, 140, 0, 0.15);
    border: 1px solid rgba(255, 140, 0, 0.3);
    color: var(--color-primary);
    padding: 0.4rem 0.8rem;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 500;
}

.challenge-modal-footer {
    border-top: 2px solid rgba(255, 140, 0, 0.2);
    padding-top: 1.5rem;
}

.challenge-flag-submission h4 {
    font-family: var(--font-primary);
    font-size: 1.1rem;
    color: var(--color-primary);
    margin-bottom: 1rem;
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.flag-form {
    width: 100%;
}

.flag-input-group {
    display: flex;
    gap: 0.75rem;
    margin-bottom: 1rem;
}

.flag-input {
    flex: 1;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 8px;
    padding: 0.875rem 1.25rem;
    color: var(--color-text);
    font-size: 1rem;
    font-family: 'Courier New', monospace;
    transition: var(--transition-fast);
}

.flag-input:focus {
    outline: none;
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px rgba(255, 140, 0, 0.1);
}

.flag-input::placeholder {
    color: var(--color-text-muted);
}

.flag-submit-btn {
    background: var(--gradient-primary);
    color: white;
    border: none;
    border-radius: 8px;
    padding: 0.875rem 2rem;
    font-size: 1rem;
    font-weight: 700;
    font-family: var(--font-primary);
    cursor: pointer;
    transition: var(--transition-fast);
    white-space: nowrap;
    min-width: 140px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.flag-submit-btn:hover:not(:disabled) {
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(255, 140, 0, 0.4);
}

.flag-submit-btn:disabled {
    opacity: 0.6;
    cursor: not-allowed;
}

.btn-spinner {
    width: 16px;
    height: 16px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-top-color: white;
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.flag-feedback {
    padding: 0.875rem 1.25rem;
    border-radius: 8px;
    font-size: 0.95rem;
    font-weight: 500;
    margin-top: 1rem;
    display: none;
}

.flag-feedback.success {
    background: rgba(16, 185, 129, 0.15);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #10b981;
    display: block;
}

.flag-feedback.error {
    background: rgba(239, 68, 68, 0.15);
    border: 1px solid rgba(239, 68, 68, 0.4);
    color: #ef4444;
    display: block;
}

.flag-feedback.info {
    background: rgba(59, 130, 246, 0.15);
    border: 1px solid rgba(59, 130, 246, 0.4);
    color: #3b82f6;
    display: block;
}

/* Scrollbar customizada para o modal */
.challenge-modal-content::-webkit-scrollbar {
    width: 8px;
}

.challenge-modal-content::-webkit-scrollbar-track {
    background: rgba(0, 0, 0, 0.3);
    border-radius: 4px;
}

.challenge-modal-content::-webkit-scrollbar-thumb {
    background: rgba(255, 140, 0, 0.5);
    border-radius: 4px;
}

.challenge-modal-content::-webkit-scrollbar-thumb:hover {
    background: var(--color-primary);
}

/* Responsividade do modal */
@media (max-width: 768px) {
    .challenge-modal-content {
        padding: 1.5rem;
        max-height: 95vh;
    }
    
    .challenge-modal-title {
        font-size: 1.5rem;
    }
    
    .flag-input-group {
        flex-direction: column;
    }
    
    .flag-submit-btn {
        width: 100%;
    }
    
    .challenge-modal-meta {
        flex-direction: column;
        gap: 0.5rem;
    }
}



/* Correção para o Gráfico do Scoreboard */
.chart-section {
    min-height: 400px; /* Garante altura mínima para o gráfico */
    margin-bottom: 50px;
    display: block !important;
}

#score-graph {
    min-height: 400px;
}

.chart-container {
    position: relative;
    height: 400px;
    width: 100%;
    margin: 0 auto;
}


/* ===================================
   Perfil de Equipe
   =================================== */

.team-profile-page {
    min-height: 100vh;
    background: var(--color-dark);
    padding-top: 100px;
}

.team-hero {
    text-align: center;
    padding: 3rem 2rem 2rem;
}

.team-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.team-points {
    font-size: 1.5rem;
    color: var(--color-text-muted);
    font-weight: 600;
}

.team-profile-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.team-section-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--color-primary);
    margin-bottom: 1.5rem;
    padding-bottom: 0.5rem;
    border-bottom: 2px solid rgba(255, 140, 0, 0.3);
    text-transform: uppercase;
    letter-spacing: 2px;
}

.profile-section {
    background: rgba(30, 30, 50, 0.9);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.members-table, .solves-table {
    width: 100%;
    border-collapse: collapse;
}

.members-table thead, .solves-table thead {
    background: rgba(255, 140, 0, 0.1);
}

.members-table th, .solves-table th {
    padding: 1rem;
    text-align: left;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    color: var(--color-primary);
    border-bottom: 2px solid rgba(255, 140, 0, 0.3);
    text-transform: uppercase;
    font-size: 0.9rem;
    letter-spacing: 1px;
}

.members-table td, .solves-table td {
    padding: 1rem;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    color: var(--color-primary);
}

.members-table tbody tr:hover, .solves-table tbody tr:hover {
    background: rgba(255, 140, 0, 0.05);
}

.member-name {
    color: var(--color-primary);
    font-weight: 600;
    cursor: pointer;
    text-decoration: none;
}

.member-name:hover {
    text-decoration: underline;
}

.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.stat-card {
    background: rgba(255, 140, 0, 0.1);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 10px;
    padding: 1.5rem;
    text-align: center;
    transition: all 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 20px rgba(255, 140, 0, 0.2);
}

.stat-icon {
    font-size: 2rem;
    margin-bottom: 0.5rem;
}

.stat-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: 0.3rem;
}

.stat-label {
    font-size: 0.9rem;
    color: var(--color-text-muted);
}

/* ===================================
   Perfil de Usuário
   =================================== */

.user-profile-page {
    min-height: 100vh;
    background: var(--color-dark);
    padding-top: 100px;
}

.user-hero {
    text-align: center;
    padding: 3rem 2rem 2rem;
}

.user-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
    text-transform: uppercase;
    letter-spacing: 3px;
}

.user-subtitle {
    font-size: 1.2rem;
    color: var(--color-text-muted);
    font-weight: 400;
}

.user-profile-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 2rem;
}

.user-card {
    background: rgba(30, 30, 50, 0.9);
    border: 2px solid rgba(255, 140, 0, 0.3);
    border-radius: 15px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
    display: flex;
    align-items: center;
    gap: 2rem;
}

.user-avatar {
    width: 120px;
    height: 120px;
    border-radius: 50%;
    border: 3px solid var(--color-primary);
    background: rgba(255, 140, 0, 0.2);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 3rem;
    color: var(--color-primary);
}

.user-info {
    flex: 1;
}

.user-name {
    font-family: 'Orbitron', sans-serif;
    font-size: 2rem;
    font-weight: 900;
    color: var(--color-primary);
    margin-bottom: 0.5rem;
}

.user-meta {
    display: flex;
    gap: 2rem;
    flex-wrap: wrap;
    color: var(--color-text-muted);
}

.user-meta-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
}

.user-meta-item a {
    color: var(--color-primary);
    text-decoration: none;
}

.user-meta-item a:hover {
    text-decoration: underline;
}

/* ============================================
   CRONÔMETRO DE CONTAGEM REGRESSIVA
   ============================================ */

/* Regra comentada para permitir inline styles no HTML
#countdown-container {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
    background: linear-gradient(135deg, rgba(0,0,0,0.9) 0%, rgba(20,20,40,0.95) 100%);
}
*/

.countdown-wrapper {
    text-align: center;
    max-width: 900px;
    padding: 3rem;
    background: rgba(30, 30, 50, 0.8);
    border: 2px solid #FF8C00;
    border-radius: 20px;
    box-shadow: 0 0 40px rgba(255, 140, 0, 0.3);
}

.countdown-badge {
    display: inline-block;
    padding: 0.5rem 1.5rem;
    background: linear-gradient(135deg, #FF8C00, #FFA500);
    color: #000;
    font-family: 'Orbitron', sans-serif;
    font-weight: 700;
    font-size: 0.9rem;
    border-radius: 20px;
    margin-bottom: 1.5rem;
    letter-spacing: 2px;
}

.countdown-title {
    font-family: 'Orbitron', sans-serif;
    font-size: 3.5rem;
    font-weight: 900;
    color: #FF8C00;
    margin: 1rem 0;
    text-transform: uppercase;
    letter-spacing: 3px;
    text-shadow: 0 0 20px rgba(255, 140, 0, 0.5);
}

.countdown-subtitle {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.5rem;
    color: #ccc;
    margin-bottom: 2rem;
}

.countdown-timer {
    display: flex;
    justify-content: center;
    gap: 2rem;
    margin: 2rem 0;
    flex-wrap: wrap;
}

.time-box {
    display: flex;
    flex-direction: column;
    align-items: center;
    padding: 1.5rem;
    background: rgba(0, 0, 0, 0.5);
    border: 2px solid #FF8C00;
    border-radius: 15px;
    min-width: 120px;
    box-shadow: 0 0 20px rgba(255, 140, 0, 0.2);
    transition: all 0.3s ease;
}

.time-box:hover {
    transform: translateY(-5px);
    box-shadow: 0 0 30px rgba(255, 140, 0, 0.4);
}

.time-value {
    font-family: 'Orbitron', sans-serif;
    font-size: 3rem;
    font-weight: 700;
    color: #FF8C00;
    line-height: 1;
    margin-bottom: 0.5rem;
}

.time-label {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1rem;
    color: #999;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.countdown-info {
    font-family: 'Rajdhani', sans-serif;
    font-size: 1.2rem;
    color: #aaa;
    margin-top: 2rem;
    line-height: 1.8;
}

.countdown-info i {
    color: #FF8C00;
    margin-right: 0.5rem;
}

/* ===== Páginas de Autenticação ===== */
.auth-container {
    padding: 15rem 2rem 12rem 2rem;
}

/* Responsivo */
@media (max-width: 768px) {
    .countdown-title {
        font-size: 2rem;
    }
    
    .countdown-timer {
        gap: 1rem;
    }
    
    .time-box {
        min-width: 80px;
        padding: 1rem;
    }
    
    .time-value {
        font-size: 2rem;
    }
}