:root {
    --bg-color: #030509;
    --text-color: #f3f4f6;
    --card-bg: rgba(9, 14, 26, 0.75);
    --border-color: rgba(255, 255, 255, 0.05);
    --bg-filter-1: linear-gradient(135deg, rgba(3, 5, 12, 0.15) 0%, rgba(3, 5, 10, 0.2) 100%);
    --bg-filter-2: linear-gradient(to bottom, transparent 60%, rgba(3, 5, 9, 0.4) 100%);
    --neon-cyan: rgba(34, 211, 238, 0.5);
    --neon-pink: rgba(236, 72, 153, 0.5);
    --neon-emerald: rgba(16, 185, 129, 0.5);
    --neon-gold: rgba(245, 158, 11, 0.5);
}

/* Base resets handled by Tailwind antialiased, but adding smooth transitions */
body {
    font-family: 'Noto Sans KR', sans-serif;
    transition: background-color 0.4s cubic-bezier(0.4, 0, 0.2, 1), color 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Background Effects */
.full-bg {
    background-image: url('https://images.unsplash.com/photo-1618005182384-a83a8bd57fbe?auto=format&fit=crop&w=1200&q=80');
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    position: relative;
    min-height: 100vh;
    width: 100%;
}

.full-bg::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-filter-1);
    z-index: 1;
}

.full-bg::after {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: var(--bg-filter-2);
    z-index: 2;
}

.content-container {
    position: relative;
    z-index: 10;
}

/* Glassmorphism Components */
.glass-card {
    background-color: rgba(255, 255, 255, 0.03);
    border: 1px solid rgba(255, 255, 255, 0.05);
    backdrop-filter: blur(12px);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.dark .glass-card {
    background-color: rgba(9, 14, 26, 0.75);
    border-color: rgba(255, 255, 255, 0.05);
}

.glass-card:hover {
    transform: translateY(-5px);
    background-color: rgba(255, 255, 255, 0.08);
}

.dark .glass-card:hover {
    background-color: rgba(255, 255, 255, 0.1);
}

/* Neon Glows */
.card-glow-cyan {
    box-shadow: 0 0 20px rgba(34, 211, 238, 0.1);
    border: 1px solid var(--neon-cyan);
}
.card-glow-magenta {
    box-shadow: 0 0 20px rgba(236, 72, 153, 0.1);
    border: 1px solid var(--neon-pink);
}
.card-glow-emerald {
    box-shadow: 0 0 20px rgba(16, 185, 129, 0.1);
    border: 1px solid var(--neon-emerald);
}
.card-glow-gold {
    box-shadow: 0 0 20px rgba(245, 158, 11, 0.1);
    border: 1px solid var(--neon-gold);
}

/* Typography Utilities */
.text-shadow-strong {
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
}

.dark .text-shadow-strong {
    text-shadow: 0 4px 16px rgba(0, 0, 0, 0.5), 0 2px 4px rgba(0, 0, 0, 0.6);
}

/* Modal Styles */
.modal {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0, 0, 0, 0.6);
    backdrop-filter: blur(8px);
    z-index: 1000;
    align-items: center;
    justify-content: center;
    opacity: 0;
    transition: opacity 0.3s ease;
}

.modal.active {
    display: flex;
    opacity: 1;
}

.modal-content {
    padding: 2.5rem;
    border-radius: 1.5rem;
    width: 90%;
    max-width: 420px;
    transform: scale(0.9);
    transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
    box-shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
}

.modal.active .modal-content {
    transform: scale(1);
}

/* Animation utilities */
.scroll-reveal {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}
.animate-in {
    opacity: 1 !important;
    transform: translateY(0) !important;
}

/* Feature Page Visibility */
.page-loading main {
    opacity: 0;
}

main {
    transition: opacity 0.8s ease-out;
}

/* Auth Lock UI */
.auth-locked {
    position: relative;
    overflow: hidden;
}

.auth-locked::after {
    content: '';
    position: fixed;
    top: 0; left: 0; right: 0; bottom: 0;
    background: rgba(3, 5, 9, 0.8);
    backdrop-filter: blur(20px);
    z-index: 90;
}

#access-denied-message {
    position: fixed;
    top: 50%; left: 50%;
    transform: translate(-50%, -50%);
    z-index: 100;
    text-align: center;
    width: 100%;
    max-width: 400px;
}