/* /assets/css/quiz.css */
.quiz-container { position: fixed; inset: 0; display: flex; flex-direction: column; z-index: 50; background: var(--bg-primary); }

/* TOPBAR */
.quiz-topbar { flex: 0 0 auto; min-height: 68px; display: grid; grid-template-columns: 1fr auto 1fr; align-items: center; gap: 1rem; padding: 0.75rem 1.5rem; background: rgba(10, 10, 15, 0.9); backdrop-filter: blur(20px); border-bottom: 1px solid rgba(255, 255, 255, 0.08); z-index: 60; }
.quiz-brand { display: flex; align-items: center; gap: 0.75rem; min-width: 0; }
.quiz-brand-icon { font-size: 1.75rem; flex-shrink: 0; }
.quiz-brand-title { font-size: 1rem; font-weight: 700; color: #fff; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.quiz-progress { display: flex; flex-direction: column; gap: 0.35rem; min-width: 220px; max-width: 380px; width: 100%; }
.quiz-progress-bar { height: 8px; background: rgba(255,255,255,0.06); border-radius: 999px; overflow: hidden; }
.quiz-progress-fill { height: 100%; background: linear-gradient(90deg, var(--accent-purple), var(--accent-cyan)); border-radius: 999px; transition: width 0.4s cubic-bezier(0.4, 0, 0.2, 1); }
.quiz-progress-text { font-size: 0.75rem; color: var(--text-muted); text-align: center; font-family: 'Space Grotesk', sans-serif; font-weight: 600; }

.quiz-stats { display: flex; gap: 1rem; justify-content: flex-end; }
.quiz-stat { display: flex; align-items: center; gap: 0.4rem; padding: 0.4rem 0.85rem; background: rgba(255,255,255,0.04); border: 1px solid rgba(255,255,255,0.08); border-radius: 10px; }
.quiz-stat-icon { font-size: 1rem; }
.quiz-stat-value { font-family: 'Space Grotesk', sans-serif; font-weight: 700; font-size: 1.05rem; color: #fff; min-width: 30px; text-align: center; font-variant-numeric: tabular-nums; }
.quiz-stat-value.danger { color: #ef4444; animation: pulse 1s infinite; }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.5; } }

/* MAIN */
.quiz-main { flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center; padding: 1.5rem; gap: 1.5rem; overflow-y: auto; position: relative; }

.quiz-question-card { max-width: 900px; width: 100%; text-align: center; padding: 2rem; background: rgba(20, 24, 54, 0.6); border: 1px solid rgba(255, 255, 255, 0.08); border-radius: 24px; }
.quiz-question-image-wrap { display: flex; justify-content: center; align-items: center; margin-bottom: 1.5rem; }
.quiz-question-image { max-width: 100%; max-height: 320px; border-radius: 16px; box-shadow: 0 10px 40px rgba(0,0,0,0.5); border: 2px solid rgba(255,255,255,0.08); object-fit: contain; }
.quiz-question-text { font-size: clamp(1.25rem, 2.5vw, 1.85rem); font-weight: 700; color: #fff; line-height: 1.35; margin: 0; }

.quiz-answers { display: grid; grid-template-columns: 1fr 1fr; gap: 0.85rem; max-width: 900px; width: 100%; }
.quiz-answer {
    display: flex; align-items: center; gap: 1rem;
    padding: 1.15rem 1.35rem;
    background: rgba(20, 24, 54, 0.7);
    border: 2px solid rgba(255, 255, 255, 0.1);
    border-radius: 16px;
    color: #fff;
    font-family: inherit;
    font-size: 1rem;
    font-weight: 600;
    text-align: left;
    cursor: pointer;
    transition: all 0.2s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}
.quiz-answer:hover:not(:disabled) { background: rgba(124, 58, 237, 0.1); border-color: rgba(124, 58, 237, 0.5); transform: translateY(-2px); }
.quiz-answer:disabled { cursor: default; }
.quiz-answer .answer-letter {
    flex-shrink: 0;
    width: 36px; height: 36px;
    display: flex; align-items: center; justify-content: center;
    background: rgba(255,255,255,0.06);
    border-radius: 10px;
    font-family: 'Space Grotesk', sans-serif;
    font-weight: 700;
    font-size: 1rem;
    color: var(--accent-cyan);
}
.quiz-answer.correct { background: rgba(16, 185, 129, 0.15); border-color: #10b981; box-shadow: 0 0 30px rgba(16, 185, 129, 0.3); }
.quiz-answer.correct .answer-letter { background: #10b981; color: #fff; }
.quiz-answer.wrong { background: rgba(239, 68, 68, 0.15); border-color: #ef4444; }
.quiz-answer.wrong .answer-letter { background: #ef4444; color: #fff; }
.quiz-answer.dimmed { opacity: 0.4; }

.quiz-answer-image { width: 60px; height: 60px; object-fit: cover; border-radius: 8px; }

/* FEEDBACK */
.quiz-feedback { position: absolute; inset: 0; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 1rem; background: rgba(10, 14, 39, 0.96); backdrop-filter: blur(20px); z-index: 70; padding: 2rem; text-align: center; animation: fadeIn 0.3s ease; }
.quiz-feedback.hidden { display: none; }
.quiz-feedback-icon { font-size: 4rem; margin-bottom: 0.5rem; }
.quiz-feedback-icon.correct { filter: drop-shadow(0 0 30px rgba(16, 185, 129, 0.6)); }
.quiz-feedback-icon.wrong { filter: drop-shadow(0 0 30px rgba(239, 68, 68, 0.6)); }
.quiz-feedback-title { font-size: 1.75rem; font-weight: 800; color: #fff; margin: 0; }
.quiz-feedback-explanation { font-size: 1rem; color: var(--text-secondary); max-width: 600px; line-height: 1.5; }
.quiz-feedback-explanation:empty { display: none; }

/* FINAL MODAL */
.quiz-final-content { max-width: 720px; width: 95%; padding: 2.5rem; text-align: center; }
.quiz-final-icon { font-size: 4rem; margin-bottom: 0.75rem; }
.quiz-final-title { font-size: 2rem; font-weight: 800; margin-bottom: 0.5rem; background: linear-gradient(135deg, var(--accent-purple), var(--accent-cyan)); -webkit-background-clip: text; background-clip: text; -webkit-text-fill-color: transparent; }
.quiz-final-subtitle { color: var(--text-secondary); margin-bottom: 2rem; }
.quiz-final-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 0.75rem; margin-bottom: 2rem; }
.quiz-final-stat { padding: 1.25rem 0.75rem; background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06); border-radius: 14px; }
.quiz-final-stat-icon { font-size: 1.5rem; margin-bottom: 0.35rem; }
.quiz-final-stat-value { font-family: 'Space Grotesk', sans-serif; font-size: 1.5rem; font-weight: 800; color: var(--accent-cyan); line-height: 1; margin-bottom: 0.35rem; }
.quiz-final-stat-label { font-size: 0.72rem; color: var(--text-muted); text-transform: uppercase; letter-spacing: 0.05em; }
.quiz-final-actions { display: flex; gap: 0.75rem; justify-content: center; flex-wrap: wrap; }

@media (max-width: 720px) {
    .quiz-topbar { grid-template-columns: 1fr; padding: 0.75rem; gap: 0.75rem; }
    .quiz-brand, .quiz-stats { justify-content: center; }
    .quiz-progress { max-width: none; }
    .quiz-answers { grid-template-columns: 1fr; }
    .quiz-question-card { padding: 1.25rem; }
    .quiz-question-image { max-height: 220px; }
    .quiz-final-stats { grid-template-columns: repeat(2, 1fr); }
    .quiz-final-actions { flex-direction: column; }
    .quiz-final-actions .btn { width: 100%; }
}