/* ============================================
   RESET E CONFIGURAÇÕES GLOBAIS
   ============================================ */

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

:root {
    /* Cores Dark Theme - Totalmente Escuro */
    --bg-primary: #000000;
    --bg-secondary: #0a0a0a;
    --bg-tertiary: #111111;
    --bg-card: #1a1a1a;
    
    /* Cinzas */
    --gray-100: #e2e8f0;
    --gray-200: #cbd5e1;
    --gray-300: #94a3b8;
    --gray-400: #64748b;
    --gray-500: #475569;
    --gray-600: #2a2a2a;
    --gray-700: #1e1e1e;
    
    /* Cores de destaque - APENAS CINZA */
    --accent-primary: #9ca3af;
    --accent-secondary: #6b7280;
    --accent-success: #10b981;
    --accent-warning: #f59e0b;
    --accent-danger: #ef4444;
    
    /* Gradientes - APENAS CINZA */
    --gradient-primary: linear-gradient(135deg, #6b7280 0%, #4b5563 100%);
    --gradient-cyber: linear-gradient(135deg, #9ca3af 0%, #6b7280 100%);
    
    /* Sombras */
    --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.8);
    --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.9);
    --shadow-lg: 0 8px 32px rgba(0, 0, 0, 0.95);
    --shadow-glow: 0 0 30px rgba(156, 163, 175, 0.2);
    
    /* Transições */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: var(--bg-primary);
    color: var(--gray-100);
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: transparent;
    pointer-events: none;
    z-index: -1;
}

/* ============================================
   TERMINAL COMPACTO (ESTILO iPHONE)
   ============================================ */

.terminal-section {
    padding: 20px 0 0;
}

.terminal-compact {
    max-width: 400px;
    margin: 0 auto;
    background: var(--bg-card);
    border-radius: 8px;
    border: 1px solid var(--gray-600);
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.terminal-header {
    background: var(--bg-tertiary);
    padding: 8px 12px;
    display: flex;
    align-items: center;
    gap: 10px;
    border-bottom: 1px solid var(--gray-600);
}

.terminal-dots {
    display: flex;
    gap: 6px;
}

.dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
}

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

.terminal-title {
    font-size: 11px;
    color: var(--gray-400);
    font-weight: 500;
}

.terminal-spacer {
    flex: 1;
}

.terminal-body {
    padding: 16px;
    min-height: 120px;
    max-height: 150px;
    font-family: 'Courier New', monospace;
    font-size: 11px;
    color: var(--gray-300);
    overflow: hidden;
    line-height: 1.5;
}

#terminal-output {
    color: var(--gray-300);
}

.terminal-line {
    margin-bottom: 4px;
    opacity: 0;
    animation: fadeInTerminal 0.2s ease forwards;
}

.terminal-cursor {
    display: inline-block;
    animation: blink 1s infinite;
    color: var(--gray-300);
    margin-left: 2px;
}

@keyframes fadeInTerminal {
    to {
        opacity: 1;
    }
}

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

/* ============================================
   NAVBAR
   ============================================ */

.navbar {
    background: var(--bg-secondary);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--gray-600);
    padding: 0;
    position: sticky;
    top: 0;
    z-index: 1000;
    transition: var(--transition-normal);
}

.navbar .container {
    padding: 0 24px;
}

.nav-content {
    display: flex;
    justify-content: space-between;
    align-items: center;
    min-height: 64px;
}

.nav-brand {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-100);
}

.brand-icon {
    font-size: 24px;
    color: var(--gray-300);
}

.nav-menu {
    display: flex;
    gap: 8px;
}

.nav-link {
    display: flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    color: var(--gray-400);
    text-decoration: none;
    font-weight: 500;
    font-size: 14px;
    border-radius: 6px;
    transition: var(--transition-fast);
    position: relative;
}

.nav-link .material-icons {
    font-size: 20px;
}

.nav-link:hover,
.nav-link.active {
    color: var(--gray-100);
    background: var(--bg-tertiary);
}

.nav-link.active {
    background: var(--gray-700);
}

/* ============================================
   HERO SECTION
   ============================================ */

.hero-section {
    padding: 40px 0 30px;
    text-align: center;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
}

.hero-content {
    max-width: 800px;
    margin: 0 auto;
}

.glitch-wrapper {
    position: relative;
    margin-bottom: 24px;
}

.hero-title {
    font-size: 48px;
    font-weight: 800;
    background: var(--gradient-cyber);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 2px;
    position: relative;
}

.hero-subtitle {
    font-size: 20px;
    color: var(--gray-300);
    margin-bottom: 48px;
}

.hero-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 24px;
    margin-top: 48px;
}

.stat-item {
    padding: 24px;
    background: var(--bg-card);
    border-radius: 12px;
    border: 1px solid var(--gray-600);
    transition: var(--transition-normal);
}

.stat-item:hover {
    transform: translateY(-4px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.stat-number {
    display: block;
    font-size: 36px;
    font-weight: 700;
    color: var(--accent-primary);
    margin-bottom: 8px;
}

.stat-label {
    display: block;
    font-size: 14px;
    color: var(--gray-400);
    text-transform: uppercase;
    letter-spacing: 1px;
}

/* ============================================
   ACTION SECTION
   ============================================ */

.action-section {
    padding: 40px 0 80px;
}

.action-card {
    background: var(--bg-card);
    border-radius: 16px;
    border: 1px solid var(--gray-600);
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    margin-bottom: 48px;
}

.card-header {
    background: var(--bg-tertiary);
    padding: 24px;
    border-bottom: 1px solid var(--gray-600);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--gray-100);
    letter-spacing: 1px;
}

.status-indicator {
    display: flex;
    align-items: center;
    gap: 8px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-success);
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.status-text {
    font-size: 14px;
    color: var(--gray-300);
}

.card-body {
    padding: 32px;
}

.card-description {
    font-size: 16px;
    color: var(--gray-300);
    margin-bottom: 32px;
}

/* ============================================
   BUTTONS
   ============================================ */

.action-buttons {
    display: flex;
    gap: 16px;
    margin-bottom: 32px;
}

.btn {
    padding: 14px 28px;
    border: none;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: var(--transition-normal);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.btn-icon {
    font-size: 20px !important;
}

.btn-primary {
    background: var(--gradient-cyber);
    color: white;
    box-shadow: var(--shadow-md);
}

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg), var(--shadow-glow);
}

.btn-secondary {
    background: var(--bg-tertiary);
    color: var(--gray-100);
    border: 1px solid var(--gray-600);
}

.btn-secondary:hover {
    background: var(--gray-600);
    border-color: var(--accent-primary);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
}

/* ============================================
   RESULT CONTAINER
   ============================================ */

.result-container {
    background: var(--bg-tertiary);
    border-radius: 12px;
    border: 1px solid var(--accent-success);
    padding: 24px;
    margin-top: 24px;
}

.result-container.hidden {
    display: none;
}

.result-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 24px;
}

.result-icon {
    font-size: 28px !important;
    color: var(--accent-success);
}

.result-title {
    font-size: 18px;
    font-weight: 600;
    color: var(--gray-100);
}

.input-group {
    margin-bottom: 24px;
}

.input-label {
    display: block;
    font-size: 14px;
    color: var(--gray-300);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.input-wrapper {
    display: flex;
    gap: 12px;
}

.input-field {
    flex: 1;
    padding: 12px 16px;
    background: var(--bg-primary);
    border: 1px solid var(--gray-600);
    border-radius: 8px;
    color: var(--accent-primary);
    font-family: 'Courier New', monospace;
    font-size: 14px;
}

.result-info {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.info-item {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.info-label {
    font-size: 12px;
    color: var(--gray-400);
    text-transform: uppercase;
}

.info-value {
    font-size: 14px;
    color: var(--gray-200);
    font-family: 'Courier New', monospace;
}

.result-warning {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 16px;
    background: rgba(245, 158, 11, 0.1);
    border-left: 3px solid var(--accent-warning);
    border-radius: 8px;
}

.warning-icon {
    font-size: 24px !important;
    color: var(--accent-warning);
}

.warning-text {
    font-size: 14px;
    color: var(--gray-300);
    line-height: 1.5;
}

/* ============================================
   FEATURES GRID
   ============================================ */

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
    gap: 24px;
}

.feature-card {
    background: var(--bg-card);
    border: 1px solid var(--gray-600);
    border-radius: 12px;
    padding: 32px;
    text-align: center;
    transition: var(--transition-normal);
}

.feature-card:hover {
    transform: translateY(-8px);
    border-color: var(--gray-500);
    box-shadow: var(--shadow-glow);
}

.feature-icon {
    font-size: 48px !important;
    color: var(--gray-400);
    margin-bottom: 16px;
    display: block;
}

.feature-title {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-100);
    margin-bottom: 12px;
}

.feature-description {
    font-size: 14px;
    color: var(--gray-400);
    line-height: 1.6;
}

/* ============================================
   INFO SECTION
   ============================================ */

.info-section {
    margin-top: 80px;
    padding: 60px 0;
}

.section-title {
    text-align: center;
    font-size: 32px;
    font-weight: 800;
    color: var(--gray-100);
    margin-bottom: 48px;
    letter-spacing: 2px;
    position: relative;
}

.section-title::after {
    content: '';
    display: block;
    width: 80px;
    height: 3px;
    background: var(--gradient-cyber);
    margin: 16px auto 0;
    border-radius: 2px;
}

.info-cards {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 32px;
}

.info-card {
    background: var(--bg-card);
    border: 1px solid var(--gray-600);
    border-radius: 16px;
    padding: 32px;
    transition: var(--transition-normal);
    position: relative;
    overflow: hidden;
}

.info-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 4px;
    background: var(--gradient-cyber);
    transform: scaleX(0);
    transition: var(--transition-normal);
}

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

.info-card:hover {
    transform: translateY(-8px);
    border-color: var(--accent-primary);
    box-shadow: var(--shadow-glow);
}

.info-card-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 16px;
}

.info-icon {
    font-size: 32px !important;
    color: var(--gray-400);
}

.info-card-header h3 {
    font-size: 20px;
    font-weight: 600;
    color: var(--gray-100);
}

.info-card-body {
    color: var(--gray-400);
    line-height: 1.7;
    font-size: 15px;
}

/* ============================================
   FOOTER
   ============================================ */

.footer {
    background: var(--bg-secondary);
    border-top: 2px solid var(--gray-600);
    margin-top: 80px;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 48px;
    padding: 60px 0 40px;
}

.footer-section {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.footer-heading {
    font-size: 18px;
    font-weight: 700;
    color: var(--gray-100);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.footer-description {
    color: var(--gray-400);
    line-height: 1.6;
    font-size: 14px;
}

.footer-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--gray-600);
    border-radius: 20px;
    font-size: 13px;
    color: var(--gray-300);
    width: fit-content;
}

.badge-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--accent-success);
    animation: pulse 2s infinite;
}

.footer-list {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.footer-list li {
    position: relative;
    padding-left: 20px;
}

.footer-list li::before {
    content: '▸';
    position: absolute;
    left: 0;
    color: var(--accent-primary);
}

.footer-link {
    color: var(--gray-400);
    text-decoration: none;
    font-size: 14px;
    transition: var(--transition-fast);
}

.footer-link:hover {
    color: var(--accent-primary);
    padding-left: 4px;
}

.tech-stack {
    display: flex;
    flex-wrap: wrap;
    gap: 12px;
}

.tech-badge {
    padding: 8px 16px;
    background: var(--bg-tertiary);
    border: 1px solid var(--gray-600);
    border-radius: 6px;
    font-size: 13px;
    color: var(--gray-300);
    font-weight: 500;
    transition: var(--transition-fast);
}

.tech-badge:hover {
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--gray-600);
    padding: 32px 0;
    margin-top: 20px;
}

.footer-bottom-content {
    text-align: center;
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.footer-copyright {
    color: var(--gray-300);
    font-size: 14px;
    font-weight: 500;
}

.footer-disclaimer {
    color: var(--gray-500);
    font-size: 12px;
}

/* ============================================
   LOADING OVERLAY
   ============================================ */

.loading-overlay {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(10, 14, 39, 0.95);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    z-index: 9998;
}

.loading-overlay.hidden {
    display: none;
}

.loading-spinner {
    width: 60px;
    height: 60px;
    border: 4px solid var(--gray-600);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

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

.loading-text {
    margin-top: 24px;
    font-size: 16px;
    color: var(--gray-300);
}

/* ============================================
   UTILITIES
   ============================================ */

.hidden {
    display: none !important;
}

/* ============================================
   RESPONSIVE
   ============================================ */

@media (max-width: 768px) {
    .hero-title {
        font-size: 32px;
    }
    
    .hero-subtitle {
        font-size: 16px;
    }
    
    .nav-menu {
        gap: 4px;
    }

    .nav-link {
        padding: 8px 12px;
        font-size: 13px;
    }

    .nav-link span:not(.material-icons) {
        display: none;
    }

    .terminal-compact {
        max-width: 100%;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .btn {
        width: 100%;
        justify-content: center;
    }
    
    .input-wrapper {
        flex-direction: column;
    }
    
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 32px;
    }

    .card-header {
        flex-direction: column;
        gap: 16px;
        text-align: center;
    }

    .info-cards {
        grid-template-columns: 1fr;
    }

    .features-grid {
        grid-template-columns: 1fr;
    }

    .section-title {
        font-size: 24px;
    }
}

/* Track page styles */
.track-container {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    padding: 24px;
}

.track-content {
    text-align: center;
}

.track-loader {
    background: var(--bg-card);
    padding: 48px;
    border-radius: 16px;
    border: 1px solid var(--gray-600);
}

.loader-spinner {
    width: 80px;
    height: 80px;
    border: 6px solid var(--gray-600);
    border-top-color: var(--accent-primary);
    border-radius: 50%;
    animation: spin 1s linear infinite;
    margin: 0 auto 24px;
}

.track-title {
    font-size: 24px;
    color: var(--gray-100);
    margin-bottom: 12px;
}

.track-subtitle {
    color: var(--gray-400);
    font-size: 16px;
}