:root {
    --obsidian-black: #020405;
    --retina-white: #F6F8F9;
    --premium-gold: #D4AF37;
    --critical-crimson: #FF2D55;
    --glass-bg: rgba(2, 4, 5, 0.85);
}

body {
    background-color: var(--obsidian-black);
    color: var(--retina-white);
    font-family: 'Inter', 'Noto Sans TC', -apple-system, BlinkMacSystemFont, sans-serif;
    overflow-x: hidden;
}

.navbar {
    background-color: var(--glass-bg);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid rgba(212, 175, 55, 0.3);
}

.navbar-brand, .nav-link {
    color: var(--retina-white) !important;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-size: 0.85rem;
}

.nav-link:hover {
    color: var(--premium-gold) !important;
}

.btn-gold {
    background-color: var(--premium-gold);
    color: var(--obsidian-black);
    border-radius: 0;
    font-weight: bold;
    text-transform: uppercase;
    transition: all 0.3s ease;
}

.btn-gold:hover {
    background-color: var(--retina-white);
    transform: translateY(-2px);
}

.section-title {
    border-left: 4px solid var(--premium-gold);
    padding-left: 15px;
    margin-bottom: 30px;
    text-transform: uppercase;
    letter-spacing: 2px;
}

.card-custom {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 0;
    transition: all 0.3s ease;
}

.card-custom:hover {
    border-color: var(--premium-gold);
    background: rgba(255, 255, 255, 0.08);
}

footer {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding: 50px 0;
    font-size: 0.8rem;
    color: rgba(246, 248, 249, 0.6);
}

/* Dashboard elements */
.stat-box {
    padding: 20px;
    border-right: 1px solid rgba(255, 255, 255, 0.1);
}

.stat-value {
    font-size: 2rem;
    font-weight: bold;
    color: var(--premium-gold);
}

.stat-label {
    font-size: 0.7rem;
    text-transform: uppercase;
}

/* Animations */
@keyframes fadeIn {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.animate-fade-in {
    animation: fadeIn 1s ease forwards;
}