:root {
    --bg-dark: #0f172a;
    --card-bg: rgba(30, 41, 59, 0.7);
    --glass-border: rgba(255, 255, 255, 0.1);
    --accent-primary: #38bdf8;
    --accent-secondary: #818cf8;
    --text-main: #f1f5f9;
    --text-muted: #94a3b8;
}

body {
    background-color: var(--bg-dark);
    background-image: 
        radial-gradient(at 0% 0%, rgba(56, 189, 248, 0.15) 0px, transparent 50%),
        radial-gradient(at 100% 100%, rgba(129, 140, 248, 0.15) 0px, transparent 50%);
    color: var(--text-main);
    font-family: 'Inter', system-ui, -apple-system, sans-serif;
    min-height: 100vh;
    margin: 0;
}

.glass-card {
    background: var(--card-bg);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid var(--glass-border);
    border-radius: 1rem;
    box-shadow: 0 8px 32px 0 rgba(0, 0, 0, 0.37);
}

.btn-glass {
    background: rgba(255, 255, 255, 0.05);
    border: 1px solid var(--glass-border);
    color: white;
    backdrop-filter: blur(4px);
    transition: all 0.3s ease;
}

.btn-glass:hover {
    background: rgba(255, 255, 255, 0.1);
    border-color: var(--accent-primary);
    color: var(--accent-primary);
    transform: translateY(-2px);
}

.btn-primary-custom {
    background: linear-gradient(135deg, var(--accent-primary), var(--accent-secondary));
    border: none;
    color: white;
    font-weight: 600;
    padding: 0.75rem 1.5rem;
    border-radius: 0.75rem;
    transition: all 0.3s ease;
}

.btn-primary-custom:hover {
    filter: brightness(1.1);
    transform: scale(1.02);
    box-shadow: 0 0 20px rgba(56, 189, 248, 0.4);
}

.nav-custom {
    padding: 1rem 2rem;
    background: rgba(15, 23, 42, 0.8);
    backdrop-filter: blur(8px);
    border-bottom: 1px solid var(--glass-border);
    position: sticky;
    top: 0;
    z-index: 1000;
}

.nav-brand {
    font-size: 1.5rem;
    font-weight: 800;
    background: linear-gradient(to right, var(--accent-primary), var(--accent-secondary));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

/* Custom Table */
.table-custom {
    color: var(--text-main);
}
.table-custom thead {
    border-bottom: 2px solid var(--glass-border);
}
.table-custom tr {
    border-bottom: 1px solid var(--glass-border);
}

/* Game Specifics */
.game-image-container {
    border-radius: 1.5rem;
    overflow: hidden;
    border: 4px solid var(--glass-border);
    box-shadow: 0 20px 50px rgba(0,0,0,0.5);
}

.timer-badge {
    font-size: 1.25rem;
    padding: 0.5rem 1rem;
    border-radius: 2rem;
    background: rgba(0,0,0,0.5);
    border: 1px solid var(--accent-primary);
}

/* Hide Sidebar */
.sidebar { display: none; }
main { width: 100% !important; }
.top-row { display: none !important; }

.form-label, .text-muted {
    color: #e2e8f0 !important; /* Very light slate for maximum readability */
}

.text-muted.small {
    color: #cbd5e1 !important; /* Lighter color for small muted text */
}

.fw-bold.text-muted {
    color: #f8fafc !important; /* Almost white for bold labels */
}