/**
 * Quiz Naturalização - Mobile Optimized & Premium UI
 */

.quiz-container-root {
    --primary-orange: #FF8C00;
    --secondary-orange: #E67E22;
    --light-orange: #FFA500;
    --cream-bg: #FFF5E6;
    --white: #FFFFFF;
    --correct-green: #27AE60;
    --wrong-red: #E74C3C;
    --text-dark: #2C3E50;
    --text-muted: #5D6D7E;
    --shadow-soft: rgba(0, 0, 0, 0.08);
    --shadow-medium: rgba(0, 0, 0, 0.12);
    --glass-bg: rgba(255, 255, 255, 0.9);
    --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);

    font-family: 'Inter', 'Segoe UI', Roboto, Helvetica, Arial, sans-serif !important;
    color: var(--text-dark);
    line-height: 1.5;
    -webkit-font-smoothing: antialiased;
    font-size: 15px;
}

.quiz-container-root * { box-sizing: border-box !important; margin: 0; padding: 0; font-family: inherit !important; }

/* NAVIGATION */
.quiz-container-root .main-nav {
    background: linear-gradient(135deg, var(--secondary-orange), var(--primary-orange)) !important;
    box-shadow: 0 4px 12px rgba(230, 126, 34, 0.25);
    position: sticky; top: 0; z-index: 1000; min-height: 54px;
}
.quiz-container-root .nav-container { max-width: 1200px; margin: 0 auto; padding: 0 12px; display: flex; justify-content: space-between; align-items: center; height: 54px; }
.quiz-container-root .nav-brand { display: flex; align-items: center; gap: 8px; color: var(--white); }
.quiz-container-root .nav-logo { font-size: 1.3rem; }
.quiz-container-root .nav-title { font-size: 1rem; font-weight: 700; letter-spacing: -0.02em; }
.quiz-container-root .nav-menu { display: flex; list-style: none; gap: 2px; }
.quiz-container-root .nav-link { 
    display: block; color: var(--white); padding: 6px 10px; border-radius: 8px; font-weight: 600; font-size: 0.85rem; 
    transition: var(--transition); text-decoration: none !important; 
}
.quiz-container-root .nav-link:hover { background: rgba(255, 255, 255, 0.15); }
.quiz-container-root .nav-link.active { background: rgba(255, 255, 255, 0.25); }

/* MAIN CONTAINER */
.quiz-container-root .container {
    max-width: 800px; margin: 0 auto; padding: 12px; background: linear-gradient(135deg, var(--cream-bg) 0%, #FFE4CC 100%);
    min-height: calc(100vh - 54px); border-radius: 0 0 16px 16px;
}

/* BASE CARDS */
.quiz-container-root header, 
.quiz-container-root .admin-header,
.quiz-container-root .quiz-container,
.quiz-container-root .settings-section,
.quiz-container-root .stats-section,
.quiz-container-root .about-section {
    background: var(--white) !important; padding: 18px !important; border-radius: 14px !important;
    box-shadow: 0 6px 20px var(--shadow-soft) !important; margin-bottom: 15px !important;
    border: 1px solid rgba(255, 140, 0, 0.05) !important;
}

.quiz-container-root .section-title { color: var(--primary-orange); text-align: center; margin-bottom: 20px; font-size: 1.3rem; font-weight: 800; }

/* PROGRESS */
.quiz-container-root .progress-wrapper { margin-bottom: 15px; }
.quiz-container-root .progress-bar { width: 100%; height: 7px; background: #EDF1F7; border-radius: 10px; overflow: hidden; margin-bottom: 6px; }
.quiz-container-root .progress-fill { height: 100%; background: linear-gradient(90deg, var(--secondary-orange), var(--primary-orange)); width: 0%; transition: width 0.6s cubic-bezier(0.34, 1.56, 0.64, 1); }
.quiz-container-root .timer-bar { width: 100%; height: 6px; background: #EEE; border-radius: 4px; overflow: hidden; margin-bottom: 8px; }
.quiz-container-root .timer-fill { height: 100%; background: #E74C3C; width: 100%; transition: width 1s linear; }
.quiz-container-root .timer-fill.danger { animation: pulseWarning 1s infinite alternate; }
@keyframes pulseWarning { from { background: #E74C3C; } to { background: #900C3F; } }
.quiz-container-root .stats { display: flex; justify-content: space-between; font-size: 0.8rem; font-weight: 700; color: var(--text-dark); }

/* FILTERS */
.quiz-container-root .filter-section {
    background: var(--white) !important; padding: 10px 14px !important; border-radius: 12px !important;
    box-shadow: 0 4px 12px var(--shadow-soft) !important; margin-bottom: 12px !important;
    display: flex !important; flex-direction: column !important; gap: 6px !important;
}
.quiz-container-root .filter-section label { font-size: 0.8rem; font-weight: 700; color: var(--text-muted); }
.quiz-container-root #categoryFilter, .quiz-container-root #filterCategoryAdmin { width: 100%; padding: 10px 12px; border: 2px solid #FAD7A0; border-radius: 10px; font-size: 0.85rem; font-weight: 600; }

/* QUIZ UI */
.quiz-container-root header h1 { color: var(--primary-orange) !important; font-size: 1.4rem !important; font-weight: 800; text-align: center; margin-bottom: 10px; }
.quiz-container-root .question-text h2 { color: var(--text-dark) !important; font-size: 1.15rem !important; font-weight: 700 !important; margin-bottom: 15px !important; line-height: 1.5 !important; }
.quiz-container-root .question-image { 
    width: 100% !important; max-width: 260px !important; aspect-ratio: 16 / 9 !important; background: #FDFEFE !important; 
    margin: 0 auto 15px auto !important; border-radius: 12px !important; display: flex !important; align-items: center; justify-content: center; border: 1px solid #F4F6F7; 
}
.quiz-container-root .question-image img { width: 100%; height: 100%; object-fit: contain; }

/* OPTIONS & BUTTONS */
.quiz-container-root .options-container { display: grid !important; gap: 8px !important; margin-bottom: 15px !important; }
.quiz-container-root .option-button {
    background: #FDFEFE !important; border: 2px solid #FAD7A0 !important; padding: 10px 14px !important; border-radius: 10px !important;
    font-size: 0.9rem !important; font-weight: 600; color: var(--text-dark) !important; cursor: pointer !important; width: 100% !important; text-align: left; display: flex; align-items: center; transition: var(--transition);
}
.quiz-container-root .option-button:hover:not(.disabled) { border-color: var(--primary-orange) !important; background: #FFFBF5 !important; }
.quiz-container-root .option-button.correct { background: #E8F8F5 !important; border-color: #2ECC71 !important; color: #145A32 !important; font-weight: 700; }
.quiz-container-root .option-button.wrong { background: #FDEDEC !important; border-color: #E74C3C !important; color: #641E16 !important; }

.quiz-container-root .btn-primary, .quiz-container-root .next-button, .quiz-container-root .restart-button, .quiz-container-root #saveSettings {
    background: linear-gradient(135deg, #E67E22, #FF8C00) !important; color: white !important; border: none !important; border-radius: 10px !important; padding: 12px 20px !important; 
    font-size: 0.9rem !important; font-weight: 700 !important; cursor: pointer !important; width: 100% !important; transition: var(--transition) !important; 
    box-shadow: 0 4px 15px rgba(230, 126, 34, 0.3) !important;
}
.quiz-container-root .btn-danger { background: #C0392B !important; box-shadow: 0 4px 15px rgba(192, 57, 43, 0.3) !important; }

/* DETAIL & FEEDBACK */
.quiz-container-root .detail-section { margin: 12px 0 !important; padding: 14px !important; background: #FEF9E7 !important; border-left: 4px solid var(--primary-orange) !important; border-radius: 8px !important; }
.quiz-container-root .detail-header h3 { color: var(--primary-orange) !important; font-size: 0.9rem !important; font-weight: 800 !important; }
.quiz-container-root .detail-content p { color: var(--text-dark) !important; line-height: 1.5 !important; font-size: 0.85rem !important; }

/* ABOUT & STATS */
.quiz-container-root .features-grid { display: grid !important; grid-template-columns: repeat(2, 1fr) !important; gap: 10px !important; margin: 15px 0 !important; }
.quiz-container-root .feature-card { background: #FFFBF5 !important; padding: 12px !important; border-radius: 12px !important; text-align: center !important; border: 1px solid #FAD7A0 !important; }
.quiz-container-root .feature-card span { font-size: 1.5rem !important; display: block !important; margin-bottom: 5px !important; }
.quiz-container-root .feature-card h3 { font-size: 0.9rem !important; margin-bottom: 4px !important; color: var(--primary-orange) !important; }
.quiz-container-root .feature-card p { font-size: 0.75rem !important; color: var(--text-muted) !important; line-height: 1.3 !important; }

.quiz-container-root .stats-grid { display: grid !important; grid-template-columns: repeat(2, 1fr) !important; gap: 8px !important; }
.quiz-container-root .stat-card { background: white !important; padding: 12px 8px !important; border-radius: 12px !important; border: 2px solid #FAD7A0 !important; text-align: center !important; }
.quiz-container-root .stat-number { display: block !important; font-size: 1.4rem !important; font-weight: 800 !important; color: var(--primary-orange) !important; }
.quiz-container-root .stat-label { font-size: 0.7rem !important; font-weight: 700 !important; color: var(--text-muted) !important; text-transform: uppercase !important; }

/* ADMIN UI */
.quiz-container-root .admin-header { text-align: center; }
.quiz-container-root .admin-main-title { font-size: 1.1rem !important; color: var(--primary-orange) !important; font-weight: 800; margin-bottom: 10px; text-transform: uppercase; }
.quiz-container-root .admin-tabs { display: flex; gap: 5px; margin-bottom: 20px; background: rgba(0,0,0,0.03); padding: 5px; border-radius: 12px; }
.quiz-container-root .tab-button { flex: 1; padding: 10px; border: none; border-radius: 8px; font-weight: 700; font-size: 0.85rem; cursor: pointer; background: transparent; color: var(--text-muted); transition: var(--transition); }
.quiz-container-root .tab-button.active { background: var(--white); color: var(--primary-orange); box-shadow: 0 2px 8px rgba(0,0,0,0.05); }

.quiz-container-root .admin-actions-header { display: flex; flex-direction: column; gap: 10px; margin-bottom: 20px; }
.quiz-container-root .admin-controls-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; }
.quiz-container-root .admin-controls-grid input { width: 100%; padding: 10px; border: 2px solid #FAD7A0; border-radius: 10px; font-size: 0.85rem; font-weight: 600; outline: none; }

.quiz-container-root #questionsList { display: flex !important; flex-direction: column !important; gap: 12px !important; }
.quiz-container-root .question-card-admin { background: var(--white); padding: 18px; border-radius: 14px; box-shadow: 0 4px 12px var(--shadow-soft); position: relative; border: 1px solid #F4F6F7; }
.quiz-container-root .question-card-admin h3 { font-size: 1rem; margin-bottom: 8px; padding-right: 70px; color: var(--text-dark); }
.quiz-container-root .admin-actions-btns { position: absolute; top: 15px; right: 15px; display: flex; gap: 6px; }
.quiz-container-root .btn-icon {
    background: transparent !important;
    border: none !important;
    box-shadow: none !important;
    cursor: pointer !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    font-size: 1.2rem !important;
    transition: transform 0.2s !important;
    padding: 5px !important;
    width: auto !important;
    height: auto !important;
}
.quiz-container-root .btn-icon:hover { transform: scale(1.2) !important; background: rgba(255, 140, 0, 0.05) !important; border-radius: 50% !important; }

.quiz-container-root .admin-question-image-preview {
    width: 200px !important; height: 150px !important; /* Voltar ao tamanho maior que o utilizador preferia */
    background: #F8F9FA; border-radius: 8px; margin-bottom: 10px; display: flex; align-items: center; justify-content: center; border: 1px solid #EEE; overflow: hidden;
}
.quiz-container-root .admin-question-image-preview img { max-width: 100%; max-height: 100%; object-fit: contain; }
.quiz-container-root .option-item-preview { font-size: 0.85rem !important; padding: 6px 10px !important; border-radius: 6px !important; background: #f8f9fa !important; border: 1px solid #eee !important; margin-bottom: 3px !important; }
.quiz-container-root .option-item-preview.correct { background: #E8F5E9 !important; color: #2E7D32 !important; border-color: #81C784 !important; font-weight: 700; }
.quiz-container-root .detail-preview-admin { margin-top: 10px; padding: 10px; background: #FFF9F3; border-left: 3px solid var(--secondary-orange); border-radius: 0 8px 8px 0; font-size: 0.85rem; }
.quiz-container-root .detail-preview-admin.collapsed .detail-content-admin { display: -webkit-box; -webkit-line-clamp: 2; line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.quiz-container-root .toggle-detail-btn { background: none; border: none; color: var(--secondary-orange); cursor: pointer; font-size: 1.1rem; display: block; margin: 5px auto 0; transition: var(--transition); }

/* MODALS */
.quiz-container-root .modal { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background: rgba(0, 0, 0, 0.6); display: flex; justify-content: center; align-items: center; z-index: 10000; padding: 15px; }
.quiz-container-root .modal-content { background: var(--white); border-radius: 16px; width: 100%; max-width: 500px; max-height: 90vh; overflow-y: auto; box-shadow: 0 20px 50px rgba(0,0,0,0.3); }
.quiz-container-root .modal-content.large { max-width: 700px; }
.quiz-container-root .modal-header { background: linear-gradient(135deg, var(--secondary-orange), var(--primary-orange)); color: white; padding: 15px 20px; display: flex; justify-content: space-between; align-items: center; }
.quiz-container-root .modal-body { padding: 20px; }
.quiz-container-root .form-group { margin-bottom: 12px; }
.quiz-container-root .form-group label { display: block; font-size: 0.85rem; font-weight: 700; margin-bottom: 5px; }
.quiz-container-root .form-group input, .quiz-container-root .form-group textarea, .quiz-container-root .form-group select { width: 100%; padding: 10px; border: 2px solid #EEE; border-radius: 8px; font-size: 0.9rem; outline: none; }
.quiz-container-root .option-item { display: grid; grid-template-columns: 30px 1fr auto; gap: 8px; align-items: center; padding: 8px; background: var(--cream-bg); border-radius: 8px; margin-bottom: 6px; }
.quiz-container-root .option-item.correct { background: #E8F8F5; border: 1px solid var(--correct-green); }
.quiz-container-root .correct-label { display: none; color: var(--correct-green); font-size: 0.75rem; font-weight: 700; }
.quiz-container-root .option-item.correct .correct-label { display: block; }
.quiz-container-root .form-actions { display: flex; gap: 10px; margin-top: 20px; }
.quiz-container-root .btn-secondary { background: #BDC3C7 !important; color: white !important; border: none !important; border-radius: 8px !important; padding: 10px 15px !important; font-weight: 700 !important; cursor: pointer !important; flex: 1; }

/* MISC */
.quiz-container-root .spinner { width: 30px; height: 30px; border: 4px solid #FAD7A0; border-top: 4px solid var(--primary-orange); border-radius: 50%; animation: spin 1s linear infinite; margin: 20px auto; }
@keyframes spin { 0% { transform: rotate(0deg); } 100% { transform: rotate(360deg); } }
.quiz-container-root .loading-text { text-align: center; font-size: 0.85rem; color: var(--text-muted); }

/* FONTS */
.quiz-container-root.font-small { font-size: 13px !important; }
.quiz-container-root.font-medium { font-size: 15px !important; }
.quiz-container-root.font-large { font-size: 17px !important; }

@media (min-width: 600px) {
    .quiz-container-root .admin-controls-grid { grid-template-columns: 1fr 1fr auto; align-items: center; }
    .quiz-container-root .stats-grid { grid-template-columns: repeat(4, 1fr) !important; }
    .quiz-container-root .container { padding: 20px; }
}

.quiz-container-root .filter-check-wrapper { display: flex; align-items: center; gap: 8px; background: #f8f9fa; padding: 8px 12px; border-radius: 8px; border: 2px solid #EEE; cursor: pointer; white-space: nowrap; }
.quiz-container-root .filter-check-wrapper label { margin-bottom: 0; cursor: pointer; font-size: 0.85rem; }
.quiz-container-root .filter-check-wrapper input { width: 16px !important; height: 16px !important; margin: 0; cursor: pointer; }

/* ESTUDO UI */
.quiz-container-root .estudo-list { display: flex; flex-direction: column; gap: 15px; margin-top: 15px; }
.quiz-container-root .estudo-card { background: var(--white); padding: 20px; border-radius: 14px; box-shadow: 0 4px 15px var(--shadow-soft); border: 1px solid #FAD7A0; transition: var(--transition); }
.quiz-container-root .estudo-card:hover { box-shadow: 0 6px 20px var(--shadow-medium); transform: translateY(-2px); }
.quiz-container-root .estudo-question { font-size: 1.15rem; font-weight: 800; color: var(--text-dark); margin-bottom: 12px; line-height: 1.4; }
.quiz-container-root .estudo-image { width: 100%; max-width: 300px; margin: 0 auto 15px; border-radius: 8px; overflow: hidden; border: 1px solid #EEE; display: flex; justify-content: center; background: #FDFEFE; }
.quiz-container-root .estudo-image img { width: 100%; max-height: 200px; object-fit: contain; }
.quiz-container-root .estudo-correct-option { display: flex; align-items: flex-start; gap: 10px; background: #E8F8F5; padding: 12px 15px; border-radius: 10px; border-left: 4px solid var(--correct-green); margin-bottom: 15px; }
.quiz-container-root .estudo-opt-icon { color: var(--correct-green); font-weight: 800; font-size: 1.1rem; }
.quiz-container-root .estudo-opt-text { color: #145A32; font-weight: 700; font-size: 0.95rem; line-height: 1.4; }
.quiz-container-root .estudo-detail { background: #FEF9E7; padding: 12px 15px; border-radius: 10px; border-left: 4px solid var(--primary-orange); }
.quiz-container-root .estudo-detail strong { display: block; color: var(--primary-orange); font-size: 0.9rem; margin-bottom: 5px; }
.quiz-container-root .estudo-detail-content { font-size: 0.85rem; color: var(--text-dark); line-height: 1.5; }

/* MOBILE OPTIMIZATION */
@media (max-width: 600px) {
    /* Navbar Adjustment */
    .quiz-container-root .nav-container { flex-direction: column; height: auto; padding: 12px 6px 6px; gap: 8px; justify-content: center; }
    .quiz-container-root .nav-brand { margin-bottom: 5px; }
    .quiz-container-root .nav-menu { width: 100%; overflow-x: auto; padding-bottom: 5px; justify-content: flex-start; -webkit-overflow-scrolling: touch; }
    .quiz-container-root .nav-menu::-webkit-scrollbar { display: none; }
    .quiz-container-root .nav-link { padding: 8px 12px; font-size: 0.9rem; white-space: nowrap; }

    /* Container Box */
    .quiz-container-root .container { padding: 8px; border-radius: 0; min-height: 100vh; }
    .quiz-container-root header, .quiz-container-root .admin-header, .quiz-container-root .quiz-container, .quiz-container-root .settings-section, .quiz-container-root .stats-section, .quiz-container-root .about-section { padding: 15px 12px !important; margin-bottom: 12px !important; border-radius: 10px !important; }

    /* Admin Buttons stacking */
    .quiz-container-root .admin-actions-btns { position: relative; top: 0; right: 0; margin-bottom: 10px; justify-content: flex-start; }
    .quiz-container-root .question-card-admin { padding: 15px; }
    .quiz-container-root .question-card-admin h3 { padding-right: 0; }
    .quiz-container-root .admin-question-image-preview { width: 100% !important; max-width: none !important; height: auto !important; aspect-ratio: 16/9; }
    
    /* Modals & Popups */
    .quiz-container-root .modal-content { max-height: 95vh; border-radius: 12px; }
    .quiz-container-root .modal-body { padding: 15px; }
    .quiz-container-root .option-item { grid-template-columns: 24px 1fr; align-items: start; }
    .quiz-container-root .correct-label { grid-column: 1 / -1; margin-top: 5px; }

    /* Estudo list */
    .quiz-container-root .estudo-card { padding: 15px; border-radius: 10px; }
    .quiz-container-root .estudo-question { font-size: 1.05rem; }
    .quiz-container-root .estudo-image { max-width: 100%; border-radius: 6px; }
    .quiz-container-root .estudo-correct-option { padding: 10px 12px; flex-direction: column; gap: 5px; }
    .quiz-container-root .estudo-detail { padding: 10px 12px; }
}

/* TV MODE (Fullscreen / Áudio) */
.quiz-container-root .estudo-header { display: flex; flex-direction: column; align-items: center; justify-content: center; margin-bottom: 20px; }
.quiz-container-root .estudo-controls { display: flex; gap: 10px; margin-top: 10px; flex-wrap: wrap; justify-content: center; }
.quiz-container-root .estudo-controls button { padding: 8px 15px; border-radius: 8px; font-weight: 700; border: none; cursor: pointer; display: flex; align-items: center; gap: 5px; box-shadow: 0 4px 10px rgba(0,0,0,0.1); transition: var(--transition); }
.quiz-container-root .btn-play { background: #27AE60; color: white; }
.quiz-container-root .btn-pause { background: #F39C12; color: white; }
.quiz-container-root .btn-stop { background: #E74C3C; color: white; }
.quiz-container-root .btn-fullscreen { background: #34495E; color: white; }

.quiz-container-root .tv-mode-active { position: fixed !important; top: 0; left: 0; width: 100vw; height: 100vh; background: #111 !important; z-index: 999999; padding: 30px !important; overflow-y: auto; display: flex; flex-direction: column; }
.quiz-container-root .tv-mode-active .estudo-header h1 { color: #FFF !important; }
.quiz-container-root .tv-mode-active .estudo-card { opacity: 0.3; transform: scale(0.95); background: #222; border-color: #333; margin-bottom: 30px; pointer-events: none; filter: blur(2px); }
.quiz-container-root .tv-mode-active .estudo-card.tv-focused { opacity: 1; transform: scale(1.05); background: #FFF; border: 4px solid var(--primary-orange); box-shadow: 0 10px 40px rgba(255, 140, 0, 0.4); pointer-events: auto; filter: blur(0); margin-top: 5vh; margin-bottom: 5vh; }
.quiz-container-root .tv-mode-active .tv-focused .estudo-question { font-size: 2.2rem; }
.quiz-container-root .tv-mode-active .tv-focused .estudo-opt-text { font-size: 1.5rem; }
.quiz-container-root .tv-mode-active .tv-focused .estudo-image { max-width: 600px; }
.quiz-container-root .tv-mode-active .tv-focused .estudo-detail-content { font-size: 1.2rem; }
.quiz-container-root .tv-mode-active .estudo-controls { position: sticky; top: 0; z-index: 10; padding: 10px; background: rgba(0,0,0,0.8); border-radius: 12px; }

.quiz-container-root .hidden { display: none !important; }