/* ═══════════════════════════════════════════════════════════════════
   QUIZ PLATFORM — CSS Additions
   Append this to the bottom of assets/css/style.css
   ═══════════════════════════════════════════════════════════════════ */

/* ─── UTILITY BUTTONS ─── */

.btn-secondary {
    background: transparent;
    border: 1px solid var(--border);
    color: var(--muted);
}

.btn-secondary:hover {
    border-color: var(--primary-dim);
    color: var(--text);
    background: transparent;
    transform: none;
    box-shadow: none;
}

.btn-sm {
    padding: 7px 16px;
    font-size: 13px;
    border-radius: 5px;
}

.btn-sm.btn-danger {
    padding: 6px 14px;
    font-size: 12px;
}

/* ─── QUIZ CARDS ─── */

.quiz-card {
    display: flex;
    flex-direction: column;
    cursor: pointer;
}

.quiz-card:hover {
    border-color: var(--primary) !important;
    transform: translateY(-3px);
    box-shadow: 0 12px 32px rgba(232, 169, 66, .1);
}

/* ─── QUIZ PLAY ─── */

.quiz-option {
    display: block;
    width: 100%;
    padding: 14px 20px;
    margin-bottom: 10px;
    background: var(--surface);
    border: 2px solid var(--border);
    border-radius: var(--radius);
    color: var(--text);
    font-family: 'Instrument Sans', sans-serif;
    font-size: 15px;
    text-align: left;
    cursor: pointer;
    transition: border-color .15s, background .15s, transform .1s;
    position: relative;
}

.quiz-option::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 0;
    background: var(--primary);
    border-radius: var(--radius) 0 0 var(--radius);
    transition: width .2s ease;
}

.quiz-option:hover:not(:disabled) {
    border-color: var(--primary);
    background: var(--card);
    transform: translateX(4px);
}

.quiz-option:hover:not(:disabled)::before {
    width: 4px;
}

.quiz-option:disabled {
    cursor: default;
    opacity: 0.7;
}

.quiz-option-correct {
    border-color: var(--success) !important;
    background: rgba(74, 158, 107, 0.12) !important;
    opacity: 1 !important;
}

.quiz-option-correct::before {
    width: 4px !important;
    background: var(--success) !important;
}

.quiz-option-wrong {
    border-color: var(--danger) !important;
    background: rgba(201, 79, 58, 0.12) !important;
    opacity: 1 !important;
}

.quiz-option-wrong::before {
    width: 4px !important;
    background: var(--danger) !important;
}

.quiz-multi-option {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 12px 16px;
    margin-bottom: 8px;
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    cursor: pointer;
    transition: border-color .15s;
}

.quiz-multi-option:hover {
    border-color: var(--primary);
}

.quiz-multi-option input[type="checkbox"] {
    width: 18px;
    height: 18px;
    accent-color: var(--primary);
    flex-shrink: 0;
}

/* ─── QUIZ PROGRESS BAR ─── */

.quiz-progress-wrap {
    height: 6px;
    background: var(--border);
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 24px;
}

.quiz-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-dim), var(--primary));
    border-radius: 3px;
    transition: width .4s cubic-bezier(.4, 0, .2, 1);
}

/* ─── QUIZ RESULT SCORE CIRCLE ─── */

.score-circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    position: relative;
}

.score-circle::after {
    content: '';
    position: absolute;
    inset: -4px;
    border-radius: 50%;
    border: 2px solid var(--border);
    opacity: 0.3;
}

.score-circle-value {
    font-size: 40px;
    font-weight: 900;
    font-family: 'DM Mono', monospace;
    line-height: 1;
}

.score-circle-label {
    font-size: 13px;
    color: var(--muted);
    margin-top: 2px;
}

/* ─── QUIZ STATS GRID ─── */

.quiz-stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(130px, 1fr));
    gap: 12px;
    margin-bottom: 24px;
}

.quiz-stat-card {
    text-align: center;
    padding: 20px 12px;
}

.quiz-stat-value {
    font-size: 28px;
    font-weight: 800;
    line-height: 1.1;
}

.quiz-stat-label {
    color: var(--muted);
    font-size: 12px;
    margin-top: 4px;
}

/* ─── LEADERBOARD ─── */

.leaderboard-podium {
    display: flex;
    justify-content: center;
    gap: 20px;
    padding: 24px 0 32px;
    flex-wrap: wrap;
}

.podium-item {
    text-align: center;
    transition: transform .2s;
}

.podium-item:hover {
    transform: scale(1.05);
}

.podium-medal {
    margin-bottom: 4px;
}

.podium-name {
    font-weight: 700;
    font-size: 15px;
}

.podium-xp {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
}

.podium-meta {
    color: var(--muted);
    font-size: 12px;
}

/* ─── ACHIEVEMENT BADGES ─── */

.achievement-badge {
    background: var(--surface);
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 12px 16px;
    display: flex;
    align-items: center;
    gap: 10px;
    transition: border-color .2s, transform .15s;
}

.achievement-badge:hover {
    border-color: var(--primary-dim);
    transform: translateY(-1px);
}

.achievement-icon {
    font-size: 28px;
    flex-shrink: 0;
}

.achievement-name {
    font-weight: 600;
    font-size: 14px;
    color: var(--cream);
}

.achievement-date {
    color: var(--muted);
    font-size: 12px;
}

/* ─── QUIZ FEATURED / QOTD BANNER ─── */

.qotd-banner {
    background: linear-gradient(135deg, var(--card) 0%, var(--surface) 100%);
    border: 2px solid var(--primary);
    border-radius: var(--radius);
    padding: 24px;
    margin-bottom: 32px;
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
    position: relative;
    overflow: hidden;
}

.qotd-banner::before {
    content: '';
    position: absolute;
    top: -50%;
    right: -30%;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(232, 169, 66, 0.06) 0%, transparent 70%);
    pointer-events: none;
}

.qotd-badge {
    color: var(--primary);
    font-weight: 700;
    font-size: 12px;
    text-transform: uppercase;
    letter-spacing: 0.8px;
    margin-bottom: 4px;
}

/* ─── SHARE BUTTONS ─── */

.share-buttons {
    display: flex;
    gap: 10px;
    justify-content: center;
    flex-wrap: wrap;
    margin-top: 16px;
}

.share-btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 16px;
    border-radius: 6px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    transition: opacity .2s, transform .15s;
    color: #fff;
}

.share-btn:hover {
    opacity: 0.85;
    transform: translateY(-1px);
    color: #fff;
    background: inherit;
    box-shadow: none;
}

.share-btn-x {
    background: #000;
    border: 1px solid #333;
}

.share-btn-fb {
    background: #1877f2;
}

.share-btn-copy {
    background: var(--card);
    border: 1px solid var(--border);
    color: var(--text);
}

.share-btn-copy:hover {
    color: var(--cream);
}

/* ─── QUIZ TIMER ANIMATION ─── */

@keyframes timer-pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.5; }
}

.timer-critical {
    animation: timer-pulse 0.5s infinite;
    color: var(--danger) !important;
}

/* ─── QUIZ ANSWER FEEDBACK ANIMATION ─── */

@keyframes feedback-slide-in {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.quiz-feedback {
    animation: feedback-slide-in 0.3s ease-out;
    border-radius: var(--radius);
    padding: 16px;
    margin-top: 20px;
}

.quiz-feedback-correct {
    background: rgba(74, 158, 107, 0.1);
    border: 1px solid var(--success);
}

.quiz-feedback-wrong {
    background: rgba(201, 79, 58, 0.1);
    border: 1px solid var(--danger);
}

/* ─── RESULT APPEAR ANIMATION ─── */

@keyframes result-pop {
    0% { transform: scale(0.8); opacity: 0; }
    60% { transform: scale(1.05); }
    100% { transform: scale(1); opacity: 1; }
}

.result-appear {
    animation: result-pop 0.5s cubic-bezier(.175, .885, .32, 1.275) forwards;
}

/* ─── STREAK FIRE ANIMATION ─── */

@keyframes streak-glow {
    0%, 100% { text-shadow: 0 0 8px rgba(232, 169, 66, 0.3); }
    50% { text-shadow: 0 0 16px rgba(232, 169, 66, 0.6); }
}

.streak-active {
    animation: streak-glow 2s ease-in-out infinite;
}

/* ─── RESPONSIVE QUIZ ─── */

@media (max-width: 768px) {
    .quiz-stats-grid {
        grid-template-columns: repeat(3, 1fr);
    }

    .quiz-stat-value {
        font-size: 22px;
    }

    .quiz-option {
        padding: 12px 16px;
        font-size: 14px;
    }

    .leaderboard-podium {
        gap: 12px;
    }

    .qotd-banner {
        padding: 16px;
        gap: 12px;
    }

    .share-buttons {
        gap: 6px;
    }

    .share-btn {
        padding: 6px 12px;
        font-size: 12px;
    }

    .score-circle {
        width: 120px;
        height: 120px;
    }

    .score-circle-value {
        font-size: 32px;
    }
}

@media (max-width: 480px) {
    .quiz-stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 8px;
    }

    .quiz-stat-card {
        padding: 14px 8px;
    }

    .quiz-stat-value {
        font-size: 20px;
    }
}

/* Pagination buttons */
.page-btn{display:inline-block;padding:6px 12px;border:1px solid var(--border);border-radius:var(--radius);background:var(--surface);color:var(--cream);cursor:pointer;font-size:13px;transition:all .15s;}
.page-btn:hover{border-color:var(--primary);color:var(--primary);}
.page-btn.active{background:var(--primary);color:var(--bg);border-color:var(--primary);font-weight:700;}