@import url('https://fonts.googleapis.com/css2?family=Plus+Jakarta+Sans:wght@400;500;600;700;800&family=Inter:wght@400;500;700;900&display=swap');

:root {
    /* Primary Color - Flash Yellow (Brand Update: #FFC400) */
    --primary: #FFC400;
    --primary-glow: rgba(255, 196, 0, 0.4);
    --primary-soft: rgba(255, 196, 0, 0.05);

    /* Backgrounds */
    --bg-main: #0B0B0B;
    --bg-card: #1A1A1A;
    --bg-card-hover: #222222;

    /* Borders */
    --border-subtle: rgba(255, 255, 255, 0.06);
    --border-glow: rgba(255, 196, 0, 0.2);

    /* Typography */
    --text-primary: #FFFFFF;
    --text-secondary: #B3B3B3;
    --text-muted: #71717a;

    /* Effects */
    --glass-blur: blur(20px) saturate(180%);
    --transition-smooth: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

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

body {
    font-family: 'Plus Jakarta Sans', sans-serif;
    background-color: var(--bg-main);
    color: var(--text-primary);
    line-height: 1.6;
    -webkit-font-smoothing: antialiased;
}

/* Typography Helpers */
.yellow-glow {
    color: var(--primary);
    text-shadow: 0 0 20px var(--primary-glow);
}

.text-gradient {
    background: linear-gradient(135deg, #fff 0%, var(--text-muted) 100%);
    -webkit-background-clip: text;
    background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Components */
.btn-flash {
    background-color: var(--primary);
    color: #000;
    font-weight: 800;
    padding: 1rem 2.5rem;
    border-radius: 9999px;
    transition: var(--transition-smooth);
    box-shadow: 0 8px 32px -8px var(--primary-glow);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 0.5rem;
    cursor: pointer;
    border: none;
    text-decoration: none;
    text-transform: uppercase;
    font-size: 0.75rem;
    letter-spacing: 0.05em;
}

.btn-flash:hover {
    background-color: #fff;
    box-shadow: 0 0 40px var(--primary-glow);
    transform: translateY(-4px) scale(1.02);
}

.glass-card {
    background: var(--bg-card);
    border: 1px solid var(--border-subtle);
    border-radius: 2rem;
    transition: var(--transition-smooth);
    position: relative;
    overflow: hidden;
}

.glass-card::before {
    content: '';
    position: absolute;
    inset: 0;
    background: radial-gradient(circle at top right, var(--primary-soft), transparent 60%);
    opacity: 0;
    transition: var(--transition-smooth);
}

.glass-card:hover {
    border-color: var(--primary);
    transform: translateY(-8px) scale(1.01);
    background: var(--bg-card-hover);
    box-shadow: 0 20px 60px -20px var(--primary-glow), 0 0 20px -5px var(--primary-glow);
}

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

/* Rule Card Specific Enhancements */
.glass-card div[class*="bg-"][class*="/10"] {
    transition: var(--transition-smooth);
}

.glass-card:hover div[class*="bg-"][class*="/10"] {
    background-color: var(--primary-glow);
    box-shadow: 0 0 20px var(--primary-glow);
    transform: scale(1.05);
}

/* Navigation */
.nav-link {
    color: var(--text-secondary);
    font-size: 0.7rem;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.15em;
    transition: var(--transition-smooth);
    position: relative;
    text-decoration: none;
}

.nav-link:hover,
.nav-link.active {
    color: var(--primary);
}

.nav-link::after {
    content: '';
    position: absolute;
    bottom: -6px;
    left: 0;
    width: 0;
    height: 2px;
    background: var(--primary);
    transition: var(--transition-smooth);
    box-shadow: 0 0 10px var(--primary);
}

.nav-link.active::after {
    width: 100%;
}

/* Ranking Tabs */
.rank-tab {
    cursor: pointer;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    font-size: 0.7rem;
    font-weight: 800;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    transition: var(--transition-smooth);
    color: var(--text-muted);
}

.rank-tab.active {
    background: var(--primary);
    color: #000;
    box-shadow: 0 4px 15px var(--primary-glow);
}

/* Rule Card */
.rule-card {
    border-left: 3px solid var(--primary);
}

/* Animations */
@keyframes fadeIn {
    from {
        opacity: 0;
        transform: translateY(20px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.fade-in {
    animation: fadeIn 0.8s cubic-bezier(0.16, 1, 0.3, 1) forwards;
}

/* Custom Scrollbar */
::-webkit-scrollbar {
    width: 6px;
}

::-webkit-scrollbar-track {
    background: var(--bg-main);
}

::-webkit-scrollbar-thumb {
    background: #1a1a1a;
    border-radius: 10px;
}

::-webkit-scrollbar-thumb:hover {
    background: var(--primary);
}

/* Utility Classes */
.bg-glow {
    position: absolute;
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, var(--primary-soft) 0%, transparent 70%);
    filter: blur(80px);
    z-index: -1;
    pointer-events: none;
}

/* Responsive Media Queries */
@media (max-width: 640px) {
    /* Mobile Optimization */
    body {
        font-size: 14px;
    }

    .btn-flash {
        width: 100%;
    }

    .glass-card {
        border-radius: 12px;
    }

    h1 {
        font-size: clamp(1.5rem, 4vw, 2.5rem);
    }

    h2 {
        font-size: clamp(1.25rem, 3.5vw, 1.875rem);
    }

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

    /* Scrollable Tables on Mobile */
    table {
        font-size: 12px;
    }

    th, td {
        padding: 8px 12px;
    }
}

@media (max-width: 768px) {
    /* Tablet Optimization */
    .container {
        padding: 0 16px;
    }
}

@media (min-width: 1024px) {
    /* Desktop - Keep original sizes */
    .container {
        padding: 0;
    }
}