/* ================================================
   QUIZ GAME — Duolingo/Quizlet Inspired Soft UI
   Nihongo AI Coach
   ================================================ */

:root {
    /* Theme Colors */
    --qg-bg: #FAF9F6; /* Cream white background */
    --qg-text: #2D3748; /* Dark charcoal text */
    --qg-text-muted: #718096;
    --qg-card-bg: #FFFFFF;

    /* Pastels */
    --qg-mint-bg: #E6FFFA;
    --qg-mint-border: #319795;
    --qg-mint-text: #234E52;

    --qg-sakura-bg: #FFF5F5;
    --qg-sakura-border: #E53E3E;
    --qg-sakura-text: #742A2A;

    --qg-sky-bg: #EBF8FF;
    --qg-sky-border: #3182CE;
    --qg-sky-text: #2B6CB0;

    --qg-purple-bg: #FAF5FF;
    --qg-purple-border: #805AD5;
    --qg-purple-text: #553C9A;

    --qg-gold: #D69E2E;
    --qg-gold-bg: #FEFCBF;

    /* UI Defaults */
    --qg-radius-lg: 20px;
    --qg-radius-md: 14px;
    --qg-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.03);
    --qg-shadow-md: 0 10px 30px rgba(0, 0, 0, 0.05);
    --qg-transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}

/* Dark mode overrides for quiz game */
[data-theme="dark"] {
    --qg-bg: #070b16;
    --qg-text: #f8fafc;
    --qg-text-muted: #94a3b8;
    --qg-card-bg: #111827;
    --qg-mint-bg: rgba(101, 199, 71, 0.16);
    --qg-mint-border: #65c747;
    --qg-mint-text: #86efac;
    --qg-sakura-bg: rgba(244, 63, 94, 0.16);
    --qg-sakura-border: #f43f5e;
    --qg-sakura-text: #fda4af;
    --qg-sky-bg: rgba(59, 130, 246, 0.16);
    --qg-sky-border: #60a5fa;
    --qg-sky-text: #93c5fd;
    --qg-purple-bg: rgba(139, 92, 246, 0.16);
    --qg-purple-border: #a78bfa;
    --qg-purple-text: #c4b5fd;
    --qg-gold: #facc15;
    --qg-gold-bg: rgba(250, 204, 21, 0.12);
    --qg-shadow-sm: 0 4px 12px rgba(0, 0, 0, 0.3);
    --qg-shadow-md: 0 10px 30px rgba(0, 0, 0, 0.4);
}

/* === Base Body === */
.quiz-game-body {
    font-family: 'Nunito', 'Noto Sans JP', sans-serif;
    background-color: var(--qg-bg);
    color: var(--qg-text);
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    padding-top: 0 !important;
    transition: background-color 0.35s ease, color 0.35s ease;
}

/* === Clean Header === */
.quiz-game-header {
    background: var(--qg-card-bg);
    border-bottom: 2px solid var(--border-soft, #E2E8F0);
    padding: 14px 24px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
    transition: background-color 0.35s ease, border-color 0.35s ease;
}

.quiz-header-left {
    display: flex;
    align-items: center;
    gap: 16px;
}

.quiz-logo {
    font-size: 1.15rem;
    font-weight: 800;
    color: #4A5568;
    letter-spacing: -0.01em;
}

.quiz-type-label {
    font-size: 0.85rem;
    font-weight: 700;
    color: var(--qg-text-muted);
    background: var(--bg-card-hover, #EDF2F7);
    padding: 4px 12px;
    border-radius: 999px;
}

.quiz-header-center {
    display: flex;
    align-items: center;
    gap: 16px;
}

.quiz-score {
    font-size: 1.05rem;
    font-weight: 800;
    color: var(--qg-gold);
    background: var(--qg-gold-bg);
    padding: 4px 14px;
    border-radius: 999px;
    display: flex;
    align-items: center;
    gap: 6px;
}

.quiz-combo {
    font-size: 1rem;
    font-weight: 800;
    color: #E53E3E;
    background: #FFF5F5;
    padding: 4px 12px;
    border-radius: 999px;
    opacity: 0;
    transform: scale(0.8);
    transition: var(--qg-transition);
}

.quiz-combo.active {
    opacity: 1;
    transform: scale(1);
}

.quiz-combo.bounce {
    animation: comboBounce 0.4s ease;
}

@keyframes comboBounce {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.25); }
}

/* Timer Circle */
.quiz-timer {
    position: relative;
    width: 46px;
    height: 46px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.timer-svg {
    position: absolute;
    width: 46px;
    height: 46px;
    transform: rotate(-90deg);
}

.timer-track {
    fill: none;
    stroke: var(--bg-card-hover, #E2E8F0);
    stroke-width: 4;
}

.timer-fill {
    fill: none;
    stroke: #48BB78;
    stroke-width: 4;
    stroke-linecap: round;
    stroke-dasharray: 157;
    stroke-dashoffset: 0;
    transition: stroke-dashoffset 1s linear, stroke 0.3s ease;
}

.timer-value {
    font-size: 1rem;
    font-weight: 800;
    z-index: 2;
    color: var(--qg-text);
}

/* === Progress Bar === */
.quiz-progress-bar {
    height: 12px;
    background: var(--bg-card-hover, #E2E8F0);
    position: relative;
    overflow: hidden;
}

.quiz-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #48BB78, #38B2AC);
    border-radius: 0 999px 999px 0;
    width: 0;
    transition: width 0.4s ease;
}

.quiz-progress-text {
    position: absolute;
    right: 16px;
    top: 50%;
    transform: translateY(-50%);
    font-size: 0.72rem;
    font-weight: 800;
    color: #4A5568;
    z-index: 2;
    pointer-events: none;
}

/* === Main Layout === */
.quiz-game-main {
    flex: 1;
    max-width: 760px;
    width: 100%;
    margin: 0 auto;
    padding: 40px 20px 80px;
}

/* === Question Card === */
.quiz-question-container {
    animation: slideUpFade 0.4s cubic-bezier(0.16, 1, 0.3, 1);
}

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

.quiz-question-card-game {
    background: var(--qg-card-bg);
    border-radius: var(--qg-radius-lg);
    padding: 36px 30px;
    margin-bottom: 30px;
    box-shadow: var(--qg-shadow-md);
    border: 2px solid var(--border-soft, #E2E8F0);
    text-align: center;
    transition: background-color 0.35s ease, border-color 0.35s ease;
}

.quiz-question-number {
    display: inline-block;
    background: var(--qg-sky-bg);
    color: var(--qg-sky-border);
    font-size: 0.8rem;
    font-weight: 800;
    padding: 4px 14px;
    border-radius: 999px;
    margin-bottom: 16px;
}

.quiz-question-text-game {
    font-size: 1.45rem;
    font-weight: 800;
    line-height: 1.5;
    color: var(--qg-text);
}

/* === Answer Buttons (Duolingo style) === */
.quiz-answers-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.quiz-answer-btn {
    background: var(--qg-card-bg, #FFFFFF);
    border: 2px solid var(--border-soft, #E2E8F0);
    border-radius: var(--qg-radius-md);
    padding: 18px 24px;
    display: flex;
    align-items: center;
    gap: 16px;
    cursor: pointer;
    text-align: left;
    transition: var(--qg-transition);
    box-shadow: 0 4px 0 var(--border-soft, #E2E8F0);
    position: relative;
    top: 0;
    outline: none;
    min-height: 72px;
}

.quiz-answer-btn:hover:not(:disabled) {
    background: var(--bg-card-hover, #F7FAFC);
    border-color: var(--border-strong, #CBD5E0);
    box-shadow: 0 4px 0 var(--border-strong, #CBD5E0);
}

.quiz-answer-btn:active:not(:disabled) {
    top: 4px;
    box-shadow: 0 0 0 transparent;
}

.answer-label {
    width: 32px;
    height: 32px;
    background: var(--bg-card-hover, #EDF2F7);
    border: 2px solid var(--border-soft, #E2E8F0);
    color: var(--qg-text-muted);
    border-radius: 8px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 800;
    font-size: 0.9rem;
    flex-shrink: 0;
}

.answer-text {
    font-weight: 700;
    font-size: 1.05rem;
    color: var(--qg-text);
    flex: 1;
    line-height: 1.4;
}

/* Button States (Correct/Incorrect) */
.quiz-answer-btn.correct-answer {
    background: var(--qg-mint-bg) !important;
    border-color: var(--qg-mint-border) !important;
    box-shadow: 0 4px 0 var(--qg-mint-border) !important;
    transform: scale(1.02);
}

.quiz-answer-btn.correct-answer .answer-label {
    background: var(--qg-mint-border) !important;
    border-color: var(--qg-mint-border) !important;
    color: #FFFFFF !important;
}

.quiz-answer-btn.correct-answer .answer-text {
    color: var(--qg-mint-text) !important;
}

.quiz-answer-btn.wrong-answer {
    background: var(--qg-sakura-bg) !important;
    border-color: var(--qg-sakura-border) !important;
    box-shadow: 0 4px 0 var(--qg-sakura-border) !important;
    animation: shake 0.4s ease;
}

.quiz-answer-btn.wrong-answer .answer-label {
    background: var(--qg-sakura-border) !important;
    border-color: var(--qg-sakura-border) !important;
    color: #FFFFFF !important;
}

.quiz-answer-btn.wrong-answer .answer-text {
    color: var(--qg-sakura-text) !important;
}

@keyframes shake {
    0%, 100% { transform: translateX(0); }
    20%, 60% { transform: translateX(-6px); }
    40%, 80% { transform: translateX(6px); }
}

.quiz-answer-btn.dimmed {
    opacity: 0.4;
    transform: scale(0.97);
}

.quiz-answer-btn:disabled {
    cursor: not-allowed;
}

/* === Feedback Banner === */
.quiz-feedback {
    margin-top: 24px;
    padding: 16px 20px;
    border-radius: var(--qg-radius-md);
    text-align: left;
    font-size: 1.05rem;
    font-weight: 700;
    animation: slideUpFade 0.25s ease;
}

.quiz-feedback.correct {
    background: var(--qg-mint-bg);
    border: 2px solid var(--qg-mint-border);
    color: var(--qg-mint-text);
}

.quiz-feedback.wrong {
    background: var(--qg-sakura-bg);
    border: 2px solid var(--qg-sakura-border);
    color: var(--qg-sakura-text);
}

.quiz-feedback.timeout {
    background: var(--qg-sky-bg);
    border: 2px solid var(--qg-sky-border);
    color: var(--qg-sky-text);
}

/* === Next Action Button === */
.quiz-next-btn {
    display: block;
    width: 100%;
    margin-top: 24px;
    padding: 16px 28px;
    border-radius: 999px;
    border: none;
    background: #4F46E5;
    color: #FFFFFF;
    font-size: 1.1rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(79, 70, 229, 0.25);
    transition: var(--qg-transition);
    text-align: center;
}

.quiz-next-btn:hover {
    background: #4338CA;
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(79, 70, 229, 0.35);
}

/* === Setup Card Screen === */
.setup-quiz-card {
    background: var(--qg-card-bg, #FFFFFF);
    border: 2px solid var(--border-soft, #E2E8F0);
    border-radius: var(--qg-radius-lg);
    padding: 36px;
    box-shadow: var(--qg-shadow-md);
    transition: background-color 0.35s ease, border-color 0.35s ease;
}

.quiz-option-radio {
    cursor: pointer;
    border: 2px solid var(--border-soft, #E2E8F0);
    border-radius: var(--qg-radius-md);
    padding: 12px 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
    transition: var(--qg-transition);
    background: var(--qg-card-bg, #FFFFFF);
}

.quiz-option-radio.active {
    background: var(--qg-sky-bg);
    border-color: var(--qg-sky-border);
    color: var(--qg-sky-text);
}

/* Lesson Cards (Chuyên đề) */
.lesson-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
    margin-top: 24px;
}

.lesson-select-card {
    background: var(--qg-card-bg, #FFFFFF);
    border: 2px solid var(--border-soft, #E2E8F0);
    border-radius: var(--qg-radius-lg);
    padding: 24px;
    box-shadow: var(--qg-shadow-sm);
    transition: var(--qg-transition);
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    height: 100%;
}

.lesson-select-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--qg-shadow-md);
    border-color: var(--border-strong, #CBD5E0);
}

.lesson-badge {
    align-self: flex-start;
    font-size: 0.72rem;
    font-weight: 800;
    background: var(--bg-card-hover, #E2E8F0);
    color: var(--text-muted, #4A5568);
    padding: 4px 10px;
    border-radius: 999px;
    margin-bottom: 12px;
}

.lesson-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--qg-text);
    margin-bottom: 8px;
}

.lesson-info {
    font-size: 0.88rem;
    color: var(--qg-text-muted);
    font-weight: 600;
    margin-bottom: 20px;
}

/* === Completion Screen === */
.quiz-completion {
    text-align: center;
    padding: 40px 20px;
    animation: slideUpFade 0.5s ease;
}

.completion-icon {
    font-size: 4.5rem;
    margin-bottom: 16px;
}

.completion-title {
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 12px;
    color: var(--qg-text);
}

.completion-stats {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin: 28px 0;
}

.completion-stat {
    background: var(--qg-card-bg, #FFFFFF);
    border: 2px solid var(--border-soft, #E2E8F0);
    padding: 16px 24px;
    border-radius: var(--qg-radius-md);
    min-width: 110px;
    box-shadow: var(--qg-shadow-sm);
}

.completion-stat-value {
    font-size: 2rem;
    font-weight: 800;
    color: var(--qg-sky-border);
}

.completion-stat-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--qg-text-muted);
    margin-top: 4px;
}

.quiz-submit-btn {
    display: inline-block;
    padding: 16px 44px;
    border-radius: 999px;
    border: none;
    background: var(--accent-green, #48BB78);
    color: #FFFFFF;
    font-size: 1.15rem;
    font-weight: 800;
    cursor: pointer;
    box-shadow: 0 4px 12px rgba(72, 187, 120, 0.25);
    transition: var(--qg-transition);
}

.quiz-submit-btn:hover {
    background: var(--accent-green-hover, #38A169);
    transform: translateY(-2px);
    box-shadow: 0 6px 18px rgba(72, 187, 120, 0.35);
}

/* Empty / Fallback State */
.quiz-empty-state {
    text-align: center;
    padding: 60px 20px;
}

.quiz-empty-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.quiz-empty-title {
    font-size: 1.6rem;
    font-weight: 800;
    margin-bottom: 12px;
}

.quiz-empty-desc {
    color: var(--qg-text-muted);
    font-weight: 600;
    margin-bottom: 24px;
    line-height: 1.6;
}

.quiz-back-btn {
    display: inline-block;
    padding: 12px 32px;
    border-radius: 999px;
    border: 2px solid var(--border-soft, #E2E8F0);
    background: var(--qg-card-bg, #FFFFFF);
    color: var(--qg-text);
    font-weight: 700;
    text-decoration: none;
    transition: var(--qg-transition);
}

.quiz-back-btn:hover {
    background: var(--bg-card-hover, #EDF2F7);
    color: var(--qg-text);
}

/* === Result Page (game version) === */
.result-container-game {
    max-width: 800px;
    width: 100%;
    margin: 40px auto 80px;
    padding: 0 20px;
}

.result-hero-game {
    background: var(--qg-card-bg, #FFFFFF);
    border: 2px solid var(--border-soft, #E2E8F0);
    border-radius: var(--qg-radius-lg);
    padding: 40px;
    text-align: center;
    box-shadow: var(--qg-shadow-md);
    margin-bottom: 32px;
}

.result-score-big {
    font-size: 5rem;
    font-weight: 800;
    line-height: 1;
    color: var(--qg-sky-border);
    margin-bottom: 12px;
}

.result-xp-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: var(--qg-gold-bg);
    color: var(--warning-text, #B7791F);
    font-weight: 800;
    padding: 8px 20px;
    border-radius: 999px;
    font-size: 1rem;
    border: 1px solid rgba(245, 158, 11, 0.2);
}

.result-stats-row {
    display: flex;
    justify-content: center;
    gap: 24px;
    margin-top: 24px;
}

.result-stat-item {
    background: var(--bg-card-hover, #F7FAFC);
    border: 1px solid var(--border-soft, #E2E8F0);
    border-radius: var(--qg-radius-md);
    padding: 12px 20px;
    min-width: 100px;
}

.result-stat-num {
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--qg-text);
}

.result-stat-label {
    font-size: 0.78rem;
    font-weight: 700;
    color: var(--qg-text-muted);
}

/* Answer Review Cards */
.answer-review-game {
    background: var(--qg-card-bg, #FFFFFF);
    border: 2px solid var(--border-soft, #E2E8F0);
    border-radius: var(--qg-radius-lg);
    padding: 24px;
    margin-bottom: 16px;
    box-shadow: var(--qg-shadow-sm);
    border-left: 6px solid var(--border-strong, #CBD5E0);
}

.answer-review-game.is-correct {
    border-left-color: var(--qg-mint-border);
}

.answer-review-game.is-wrong {
    border-left-color: var(--qg-sakura-border);
}

.answer-review-game.is-skipped {
    border-left-color: #A0AEC0;
}

.answer-status-badge {
    display: inline-flex;
    align-items: center;
    font-size: 0.76rem;
    font-weight: 800;
    padding: 4px 10px;
    border-radius: 999px;
}

.answer-status-badge.correct {
    background: var(--qg-mint-bg);
    color: var(--qg-mint-border);
}

.answer-status-badge.wrong {
    background: var(--qg-sakura-bg);
    color: var(--qg-sakura-border);
}

.answer-status-badge.skipped {
    background: var(--bg-card-hover, #EDF2F7);
    color: var(--text-muted, #718096);
}

.review-detail-box {
    background: var(--bg-card-hover, #F7FAFC);
    border-radius: var(--qg-radius-md);
    padding: 16px;
    margin-top: 14px;
    font-size: 0.95rem;
    line-height: 1.6;
    color: var(--text-main);
}

/* AI Tutor Section */
.ai-tutor-section {
    margin-top: 40px;
}

.ai-tutor-card {
    background: var(--qg-card-bg, #FFFFFF);
    border: 2px solid var(--qg-purple-border);
    border-radius: var(--qg-radius-lg);
    padding: 30px;
    box-shadow: var(--qg-shadow-md);
    position: relative;
    overflow: hidden;
}

.ai-tutor-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 6px;
    background: linear-gradient(90deg, var(--qg-purple-border), var(--qg-sky-border));
}

.ai-tutor-header {
    display: flex;
    align-items: center;
    gap: 16px;
    margin-bottom: 20px;
}

.ai-tutor-avatar {
    width: 44px;
    height: 44px;
    background: var(--qg-purple-bg);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
}

.ai-tutor-name {
    font-weight: 800;
    font-size: 1.15rem;
    color: var(--qg-purple-text);
}

.ai-tutor-feedback-text {
    line-height: 1.8;
    font-size: 0.95rem;
    color: var(--qg-text);
    margin-bottom: 16px;
}

.ai-tutor-feedback-text h3,
.ai-tutor-feedback-text h4,
.ai-tutor-feedback-text h5 {
    color: var(--qg-purple-text);
    margin-top: 16px;
    margin-bottom: 8px;
}

.ai-tutor-feedback-text strong {
    color: var(--qg-purple-text);
}

.ai-tutor-feedback-text ul,
.ai-tutor-feedback-text ol {
    padding-left: 20px;
    margin-bottom: 12px;
}

.ai-tutor-feedback-text li {
    margin-bottom: 4px;
}

.ai-tutor-feedback-text blockquote {
    border-left: 3px solid var(--qg-purple-border);
    padding-left: 12px;
    color: var(--qg-text-muted);
    margin: 12px 0;
    font-style: italic;
}

.ai-tutor-feedback-text code {
    background: rgba(109, 40, 217, 0.08);
    padding: 2px 6px;
    border-radius: 4px;
    font-family: 'SFMono-Regular', Consolas, monospace;
    font-size: 0.9em;
    color: var(--qg-purple-text);
}

.ai-tutor-feedback-text em {
    color: var(--qg-text);
    font-style: italic;
}

.ai-tutor-review-box {
    background: var(--qg-purple-bg);
    border: 1px dashed var(--qg-purple-border);
    border-radius: var(--qg-radius-md);
    padding: 16px;
    font-size: 0.92rem;
    color: var(--qg-purple-text);
    line-height: 1.7;
}

.ai-tutor-review-box ul {
    padding-left: 20px;
    margin-bottom: 0;
    margin-top: 8px;
}

.ai-tutor-review-box li {
    margin-bottom: 6px;
    position: relative;
}

.ai-tutor-review-box li::marker {
    color: var(--qg-purple-border);
}

.result-actions {
    display: flex;
    justify-content: center;
    gap: 16px;
    margin-top: 36px;
    flex-wrap: wrap;
}

/* === Responsive Grid === */
/* ===== Responsive ===== */
@media (max-width: 991px) {
    .quiz-game-header {
        padding: 12px 16px;
    }

    .quiz-header-center {
        gap: 10px;
    }
}

@media (max-width: 768px) {
    .quiz-game-header {
        flex-wrap: wrap;
        gap: 8px;
    }

    .quiz-header-left {
        gap: 10px;
    }

    .quiz-logo {
        font-size: 1rem;
    }

    .quiz-header-center {
        gap: 8px;
    }

    .quiz-score {
        font-size: 0.9rem;
        padding: 3px 10px;
    }

    .quiz-answers-grid {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .quiz-answer-btn {
        padding: 14px 18px;
        min-height: 64px;
    }

    .quiz-question-card-game {
        padding: 28px 20px;
        border-radius: 16px;
    }

    .quiz-question-text-game {
        font-size: 1.25rem;
    }

    .quiz-game-main {
        padding: 16px;
    }

    /* Quiz setup page */
    .vocab-quiz-setup .quiz-game-main,
    .grammar-quiz-setup .quiz-game-main {
        padding: 16px 16px 60px;
    }

    .vocab-quiz-setup .setup-quiz-card,
    .grammar-quiz-setup .setup-quiz-card {
        padding: 24px 18px;
        border-radius: 18px;
    }

    .vocab-quiz-setup h1.fw-bold,
    .grammar-quiz-setup h1.fw-bold {
        font-size: 1.8rem;
    }
}

@media (max-width: 430px) {
    .quiz-question-text-game {
        font-size: 1.1rem;
    }

    .quiz-answer-btn {
        padding: 12px 14px;
        font-size: 0.95rem;
    }

    .vocab-quiz-setup h1.fw-bold,
    .grammar-quiz-setup h1.fw-bold {
        font-size: 1.5rem;
    }
}

/* ==========================================================================
   Quiz Setup Page - Premium Glassmorphic Theme Overrides
   ========================================================================== */

/* Page Background */
.quiz-game-body.vocab-quiz-setup,
.quiz-game-body.grammar-quiz-setup {
    background: var(--gradient-body);
    padding-top: 50px !important;
}

/* Container limits */
.quiz-game-body.vocab-quiz-setup .quiz-game-main,
.quiz-game-body.grammar-quiz-setup .quiz-game-main {
    max-width: 900px;
    padding: 20px 20px 80px;
}

/* Header Text styling */
.vocab-quiz-setup .quiz-type-label,
.grammar-quiz-setup .quiz-type-label {
    text-transform: uppercase;
    letter-spacing: 1.5px;
    font-size: 0.78rem;
    padding: 6px 16px;
    font-weight: 800;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.03);
}

.vocab-quiz-setup .quiz-type-label {
    background: var(--success-bg, rgba(16, 185, 129, 0.1));
    color: var(--accent-green, #10b981);
}

.grammar-quiz-setup .quiz-type-label {
    background: var(--info-bg, rgba(59, 130, 246, 0.1));
    color: var(--primary, #3b82f6);
}

.vocab-quiz-setup h1.fw-bold {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--text-main, var(--text)) 30%, var(--accent-green, #059669) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.grammar-quiz-setup h1.fw-bold {
    font-size: 2.5rem;
    background: linear-gradient(135deg, var(--text-main, var(--text)) 30%, var(--primary, #2563eb) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

/* Main Setup Card - Glassmorphism */
.vocab-quiz-setup .setup-quiz-card,
.grammar-quiz-setup .setup-quiz-card {
    background: var(--glass-bg, rgba(255, 255, 255, 0.75));
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-soft, rgba(255, 255, 255, 0.8));
    border-radius: 24px;
    padding: 32px;
    box-shadow: var(--shadow-card, 0 12px 40px rgba(31, 41, 55, 0.04));
}

/* Custom form elements */
.vocab-quiz-setup #levelSelect,
.grammar-quiz-setup #levelSelect {
    background-color: var(--input-bg, rgba(255, 255, 255, 0.9));
    border: 1.5px solid var(--input-border, rgba(0, 0, 0, 0.08));
    border-radius: 14px;
    padding: 10px 16px;
    font-size: 0.98rem;
    font-weight: 700;
    color: var(--text-main, var(--text));
    transition: all 0.2s ease;
    box-shadow: var(--shadow-sm, 0 2px 6px rgba(0, 0, 0, 0.01));
}

.vocab-quiz-setup #levelSelect:focus,
.grammar-quiz-setup #levelSelect:focus {
    border-color: #10b981;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.15);
    outline: none;
}

.grammar-quiz-setup #levelSelect:focus {
    border-color: #3b82f6;
    box-shadow: 0 0 0 4px rgba(59, 130, 246, 0.15);
}

/* Question Limit Buttons */
.vocab-quiz-setup .limit-btn,
.grammar-quiz-setup .limit-btn {
    border: 1.5px solid rgba(0, 0, 0, 0.08);
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.6);
    color: var(--text);
    font-weight: 700;
    transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 0 2px 6px rgba(0, 0, 0, 0.01);
}

.vocab-quiz-setup .limit-btn:hover,
.grammar-quiz-setup .limit-btn:hover {
    background: rgba(255, 255, 255, 0.955);
    transform: translateY(-2px);
}

.vocab-quiz-setup .limit-btn.active {
    background: #10b981 !important;
    border-color: #10b981 !important;
    color: #ffffff !important;
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.25) !important;
}

.grammar-quiz-setup .limit-btn.active {
    background: #3b82f6 !important;
    border-color: #3b82f6 !important;
    color: #ffffff !important;
    box-shadow: 0 6px 18px rgba(59, 130, 246, 0.25) !important;
}

/* Play All Button */
.vocab-quiz-setup #playAllBtn,
.grammar-quiz-setup #playAllBtn {
    border: none !important;
    color: #ffffff !important;
    padding: 10px 24px;
    border-radius: 999px;
    font-weight: 700;
    transition: all 0.25s ease;
}

.vocab-quiz-setup #playAllBtn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    box-shadow: 0 4px 15px rgba(16, 185, 129, 0.2);
}

.vocab-quiz-setup #playAllBtn:hover {
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.35);
    transform: translateY(-2px);
}

.grammar-quiz-setup #playAllBtn {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
    box-shadow: 0 4px 15px rgba(37, 99, 235, 0.2);
}

.grammar-quiz-setup #playAllBtn:hover {
    box-shadow: 0 6px 20px rgba(37, 99, 235, 0.35);
    transform: translateY(-2px);
}

/* Grid Layout */
.vocab-quiz-setup .lesson-grid,
.grammar-quiz-setup .lesson-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(270px, 1fr));
    gap: 24px;
}

/* Lesson Cards - Glassmorphism */
.vocab-quiz-setup .lesson-select-card,
.grammar-quiz-setup .lesson-select-card {
    background: rgba(255, 255, 255, 0.7);
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    border: 1px solid rgba(255, 255, 255, 0.6);
    border-radius: 22px;
    padding: 24px;
    box-shadow: 0 6px 20px rgba(31, 41, 55, 0.02);
    transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.vocab-quiz-setup .lesson-select-card:hover,
.grammar-quiz-setup .lesson-select-card:hover {
    transform: translateY(-5px);
    border-color: rgba(255, 255, 255, 0.95);
    box-shadow: 0 15px 35px rgba(31, 41, 55, 0.08);
}

/* Lesson Badge */
.vocab-quiz-setup .lesson-badge,
.grammar-quiz-setup .lesson-badge {
    display: inline-block;
    font-size: 0.72rem;
    font-weight: 800;
    padding: 4px 12px;
    border-radius: 999px;
    margin-bottom: 12px;
    border: 1px solid transparent;
}

.vocab-quiz-setup .lesson-badge {
    background: rgba(16, 185, 129, 0.1);
    color: #10b981;
    border-color: rgba(16, 185, 129, 0.15);
}

.grammar-quiz-setup .lesson-badge {
    background: rgba(59, 130, 246, 0.1);
    color: #3b82f6;
    border-color: rgba(59, 130, 246, 0.15);
}

/* Lesson Title */
.vocab-quiz-setup .lesson-title,
.grammar-quiz-setup .lesson-title {
    font-size: 1.15rem;
    font-weight: 800;
    color: var(--text);
    margin-bottom: 6px;
    line-height: 1.4;
}

/* Lesson Info Panel */
.vocab-quiz-setup .lesson-info,
.grammar-quiz-setup .lesson-info {
    font-size: 0.88rem;
    color: var(--muted);
    font-weight: 600;
    margin-bottom: 24px;
    background: rgba(255, 255, 255, 0.4);
    padding: 6px 12px;
    border-radius: 10px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
}

/* Start Button */
.vocab-quiz-setup .play-lesson-btn,
.grammar-quiz-setup .play-lesson-btn {
    border: none !important;
    color: #ffffff !important;
    padding: 10px 20px;
    font-weight: 700;
    border-radius: 999px;
    transition: all 0.25s ease;
}

.vocab-quiz-setup .play-lesson-btn {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%) !important;
    box-shadow: 0 4px 12px rgba(16, 185, 129, 0.18);
}

.vocab-quiz-setup .play-lesson-btn:hover {
    box-shadow: 0 6px 18px rgba(16, 185, 129, 0.3);
    transform: scale(1.03);
}

.grammar-quiz-setup .play-lesson-btn {
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%) !important;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.18);
}

.grammar-quiz-setup .play-lesson-btn:hover {
    box-shadow: 0 6px 18px rgba(37, 99, 235, 0.3);
    transform: scale(1.03);
}