:root {
    --primary: #8b5cf6;
    --secondary: #ec4899;
    --accent: #f59e0b;
    --success: #10b981;
    --error: #ef4444;
    --glass: rgba(15, 23, 42, 0.96);
}

* { 
    box-sizing: border-box; 
    -webkit-tap-highlight-color: transparent; 
    outline: none; 
}

body {
    margin: 0; 
    font-family: 'Inter', system-ui, sans-serif;
    background: #070912;
    background-image: radial-gradient(circle at 50% 0%, #1e1b4b 0%, #070912 100%);
    display: flex; 
    justify-content: center; 
    align-items: flex-start;
    min-height: 100vh; 
    color: #f8fafc; 
    padding: 15px;
}

.container {
    width: 100%; 
    max-width: 450px;
    background: var(--glass); 
    padding: 30px 20px; 
    border-radius: 28px;
    box-shadow: 0 20px 50px rgba(0,0,0,0.6);
    backdrop-filter: blur(20px); 
    border: 1px solid rgba(255,255,255,0.08);
    position: relative; 
    animation: slideUp 0.4s cubic-bezier(0.23, 1, 0.32, 1);
}

@keyframes slideUp { 
    from { opacity: 0; transform: translateY(20px); } 
    to { opacity: 1; transform: translateY(0); } 
}

h2 { 
    text-align: center; font-size: 1.8rem; margin: 0 0 25px 0;
    background: linear-gradient(to right, #a78bfa, #f472b6);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    font-weight: 900; letter-spacing: -0.5px;
}

.setup-item { margin-bottom: 20px; }
label { 
    display: block; font-size: 0.65rem; font-weight: 800; color: #94a3b8; 
    margin-bottom: 8px; text-transform: uppercase; letter-spacing: 1px; 
}

input[type="text"] {
    width: 100%; padding: 18px; background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255,255,255,0.1); border-radius: 16px;
    color: white; font-size: 1rem;
}

.custom-select-trigger {
    width: 100%; padding: 18px; background: rgba(255, 255, 255, 0.04);
    border: 1px solid rgba(255,255,255,0.1); border-radius: 16px;
    color: white; font-size: 1rem; cursor: pointer;
    display: flex; justify-content: space-between;
}

.custom-options {
    position: absolute; top: 100%; left: 0; right: 0;
    background: #1c1e3a; border-radius: 16px; border: 1px solid var(--primary);
    z-index: 100; display: none; margin-top: 8px; 
}

.custom-options.open { display: block; }
.custom-option { padding: 18px; border-bottom: 1px solid rgba(255,255,255,0.05); }

/* Gameplay UI */
.timer-container { width: 100%; height: 6px; background: rgba(255,255,255,0.1); border-radius: 10px; margin-bottom: 20px; overflow: hidden; }
#t-bar { height: 100%; width: 100%; background: var(--primary); transition: width 0.1s linear; }

.option-card {
    padding: 20px; margin: 12px 0; background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.08); border-radius: 18px;
    cursor: pointer; font-weight: 600; transition: 0.1s;
}

.option-card:active { background: rgba(139, 92, 246, 0.15); transform: scale(0.97); }
.correct { background: var(--success) !important; border-color: var(--success); }
.wrong { background: var(--error) !important; border-color: var(--error); }
.faded { opacity: 0.1; pointer-events: none; }

.master-btn {
    width: 100%; padding: 20px; border: none; border-radius: 18px;
    background: linear-gradient(135deg, var(--primary), var(--secondary));
    color: white; font-size: 1.1rem; font-weight: 800; cursor: pointer;
}

/* Scoreboard Styles */
.scoreboard { margin-top: 25px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,0.1); }
.scoreboard-title { font-size: 0.7rem; font-weight: 800; color: var(--secondary); text-align: center; text-transform: uppercase; letter-spacing: 2px; margin-bottom: 15px; }
.score-row { display: flex; justify-content: space-between; padding: 12px 15px; background: rgba(255,255,255,0.03); border-radius: 12px; margin-bottom: 8px; font-size: 0.9rem; }
.score-val { color: var(--primary); font-weight: 800; }

.footer-actions { display: flex; flex-direction: column; align-items: center; margin-top: 30px; gap: 15px; }
.exit-link { color: var(--error); font-size: 0.75rem; font-weight: 700; text-transform: uppercase; letter-spacing: 2px; text-decoration: none; opacity: 0.6; padding: 10px; }

#bonus-toast { position: fixed; top: 15%; left: 50%; transform: translateX(-50%); font-weight: 900; color: var(--accent); font-size: 2.5rem; opacity: 0; z-index: 200; pointer-events: none; transition: 0.3s; }

.share-btn { background: transparent; border: 1px solid rgba(255,255,255,0.2); color: white; padding: 15px; border-radius: 18px; width: 100%; margin-top: 10px; cursor: pointer; font-weight: 700; }