:root {
    --primary-custom: #ff6b6b;
    --primary-hover: #fa5252;
    --secondary-custom: #4dabf7;
    --soft-pink: #fff0f6;
    --soft-blue: #e7f5ff;
    --soft-yellow: #fff9db;
    --text-dark: #2c3e50;
    --card-bg: rgba(255, 255, 255, 0.95);
    --glass-bg: rgba(255, 255, 255, 0.8);
    --shadow-premium: 0 15px 35px rgba(0, 0, 0, 0.1), 0 5px 15px rgba(0, 0, 0, 0.05);
}

body {
    background: linear-gradient(135deg, #fdfcfb 0%, #e2d1c3 100%);
    background-attachment: fixed;
    font-family: var(--body-font, 'Noto Sans SC', sans-serif);
    color: var(--text-dark);
    min-height: 100vh;
}

h1, h2, h3 {
    font-family: var(--heading-font, 'Fredoka One', 'ZCOOL KuaiLe', cursive);
}

.quiz-wrapper {
    max-width: 700px;
}

.game-card {
    background: var(--card-bg);
    border-radius: 2rem;
    padding: 3rem 2rem;
    box-shadow: var(--shadow-premium);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.3);
    transition: all 0.5s cubic-bezier(0.175, 0.885, 0.32, 1.275);
    opacity: 0;
    transform: translateY(20px);
    display: none;
}

.game-card.active {
    opacity: 1;
    transform: translateY(0);
    display: block;
}

.logo-wrapper {
    width: 200px;
    height: 200px;
    margin: 0 auto 2rem;
}

.main-logo {
    border-radius: 50%;
    box-shadow: 0 10px 25px rgba(255, 107, 107, 0.3);
}

.btn-primary-custom {
    background: linear-gradient(45deg, #ff6b6b, #ff8787);
    border: none;
    color: white;
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-weight: bold;
    box-shadow: 0 4px 15px rgba(255, 107, 107, 0.3);
    transition: all 0.3s ease;
}

.btn-primary-custom:hover {
    transform: translateY(-3px);
    box-shadow: 0 8px 25px rgba(255, 107, 107, 0.4);
    color: white;
}

.btn-outline-primary-custom {
    border: 2px solid var(--primary-custom);
    color: var(--primary-custom);
    background: transparent;
    padding: 1rem 2rem;
    border-radius: 1rem;
    font-weight: bold;
    transition: all 0.3s ease;
}

.btn-outline-primary-custom:hover {
    background: var(--primary-custom);
    color: white;
}

.bg-soft-pink { background-color: var(--soft-pink); color: #c2255c; }
.bg-soft-blue { background-color: var(--soft-blue); color: #1971c2; }
.bg-soft-yellow { background-color: var(--soft-yellow); color: #f08c00; }

.badge {
    padding: 0.7rem 1rem;
    font-size: 0.9rem;
}

/* Options Grid */
.options-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-top: 2rem;
}

@media (max-width: 576px) {
    .options-grid {
        grid-template-columns: 1fr;
    }
}

.option-btn {
    background: white;
    border: 2px solid #edf2f7;
    border-radius: 1.2rem;
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 1.1rem;
    color: var(--text-dark);
}

.option-btn:hover {
    border-color: var(--primary-custom);
    background: var(--soft-pink);
    transform: scale(1.03);
}

.option-btn.selected {
    background: var(--primary-custom);
    color: white;
    border-color: var(--primary-custom);
}

/* Certificate Styles */
.certificate-border {
    border: 8px double var(--primary-custom);
    border-radius: 1.5rem;
    background: #fff;
    position: relative;
    overflow: hidden;
}

.certificate-border::before {
    content: '';
    position: absolute;
    top: 0; left: 0; right: 0; bottom: 0;
    background: radial-gradient(circle, rgba(255,107,107,0.05) 0%, transparent 70%);
    pointer-events: none;
}

.result-score-circle {
    width: 120px;
    height: 120px;
    background: var(--primary-custom);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: bold;
    box-shadow: 0 10px 20px rgba(255, 107, 107, 0.4);
}

/* Info Cards */
.game-info-card {
    background: var(--glass-bg);
    border-radius: 1.5rem;
    padding: 2rem;
    box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
    border: 1px solid rgba(255, 255, 255, 0.5);
}

.text-primary-custom { color: var(--primary-custom); }

/* Animations */
@keyframes pulse {
    0% { transform: scale(1); }
    50% { transform: scale(1.05); }
    100% { transform: scale(1); }
}

.pulse {
    animation: pulse 3s infinite ease-in-out;
}

/* Progress Bar */
.progress-bar {
    background-color: var(--primary-custom);
}

.progress-text {
    font-size: 0.9rem;
    color: #a0aec0;
    font-weight: bold;
}