/* --- SCOPED RESET for Quiz App --- */
#edq-app-wrapper {
    --primary: #2563eb;       
    --primary-light: #eff6ff;
    --accent: #f59e0b;
    --success: #16a34a;
    --danger: #dc2626;
    --purple: #9333ea;
    --text-main: #1f2937;
    --text-light: #6b7280;
    --bg: #f8f9fa;
    --white: #ffffff;
    --radius: 14px;
    
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    color: var(--text-main);
    background-color: var(--bg);
    max-width: 600px; 
    margin: 20px auto; 
    position: relative;
    border-radius: var(--radius);
    overflow: hidden;
    box-shadow: 0 4px 20px rgba(0,0,0,0.05);
    background: #fff;
    min-height: 600px; 
    transition: max-width 0.3s ease;
}

/* --- RESPONSIVE DESKTOP --- */
@media (min-width: 768px) {
    #edq-app-wrapper {
        max-width: 1000px; 
        border: 1px solid #e5e7eb;
    }
    #edq-app-wrapper .quiz-list {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
        gap: 20px;
        padding: 0 25px 80px 25px !important;
    }
    #edq-app-wrapper .quiz-card {
        height: 100%; 
        transition: transform 0.2s ease, box-shadow 0.2s ease;
    }
    #edq-app-wrapper .quiz-card:hover {
        transform: translateY(-3px);
        box-shadow: 0 10px 25px rgba(0,0,0,0.08);
        border-color: var(--primary-light);
    }
}

#edq-app-wrapper * { box-sizing: border-box; }
#edq-app-wrapper button { cursor: pointer; }

/* --- AUTH BAR (NEW) --- */
#edq-app-wrapper .auth-bar {
    animation: slideDown 0.3s ease;
    position: relative;
    z-index: 10;
}
@keyframes slideDown { from { transform: translateY(-100%); opacity: 0; } to { transform: translateY(0); opacity: 1; } }

/* --- VIEW MANAGER --- */
#edq-app-wrapper .app-view { display: none; height: 100%; position: relative; padding-bottom: 20px; animation: fadeIn 0.2s ease; }
#edq-app-wrapper .app-view.active-view { display: block; }
@keyframes fadeIn { from { opacity: 0; } to { opacity: 1; } }

/* --- HOME VIEW --- */
#edq-app-wrapper .streak-section { padding: 20px 20px 10px 20px; }
#edq-app-wrapper .streak-card {
    background: linear-gradient(135deg, #2563eb, #1e40af); color: white;
    padding: 20px; border-radius: var(--radius);
    display: flex; justify-content: space-between; align-items: center;
    box-shadow: 0 4px 12px rgba(37, 99, 235, 0.3);
}

#edq-app-wrapper .tabs-container { display: flex; gap: 10px; padding: 10px 20px; margin-bottom: 5px; }
#edq-app-wrapper .tab-btn {
    flex: 1; padding: 12px; border: none; background: white; border-radius: 30px;
    font-size: 0.9rem; font-weight: 700; color: var(--text-light); cursor: pointer;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05); transition: 0.2s; border: 1px solid #f3f4f6;
}
#edq-app-wrapper .tab-btn.active { background: var(--text-main); color: white; border-color: var(--text-main); }

#edq-app-wrapper .quiz-list { padding: 0 20px 80px 20px; display: flex; flex-direction: column; gap: 15px; }
#edq-app-wrapper .quiz-card {
    background: white; border-radius: var(--radius); padding: 16px;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05); border: 1px solid #f3f4f6;
    display: flex; flex-direction: column; gap: 10px; position: relative; text-align: left;
}

/* --- BADGES --- */
#edq-app-wrapper .tags-row { display: flex; gap: 8px; align-items: center; margin-bottom: 4px; }
#edq-app-wrapper .tag-badge { font-size: 0.65rem; font-weight: 700; padding: 4px 8px; border-radius: 6px; text-transform: uppercase; width: fit-content; }
#edq-app-wrapper .tag-free { background: #dcfce7; color: #16a34a; }
#edq-app-wrapper .tag-paid { background: #fef3c7; color: #d97706; }

#edq-app-wrapper .live-badge {
    background: #fee2e2; color: #dc2626; display: flex; align-items: center; gap: 6px;
    font-size: 0.65rem; font-weight: 800; padding: 4px 8px; border-radius: 6px; text-transform: uppercase;
}
#edq-app-wrapper .live-dot {
    width: 6px; height: 6px; background: #dc2626; border-radius: 50%;
    animation: livePulse 1.5s infinite;
}
@keyframes livePulse {
    0% { transform: scale(0.95); opacity: 0.7; }
    50% { transform: scale(1.1); opacity: 1; }
    100% { transform: scale(0.95); opacity: 0.7; }
}

#edq-app-wrapper .btn-action { width: 100%; padding: 12px; border-radius: 10px; border: none; font-weight: 700; cursor: pointer; font-size: 0.95rem; margin-top: auto; transition: 0.2s; }
#edq-app-wrapper .btn-action:active { transform: scale(0.98); }
#edq-app-wrapper .btn-attempt { background: var(--primary-light); color: var(--primary); }
#edq-app-wrapper .btn-unlock { background: #fffbeb; color: #b45309; border: 1px solid #fde68a; }

/* --- QUIZ PLAYER --- */
#edq-app-wrapper .quiz-toolbar {
    background: white; padding: 10px 20px; display: flex; align-items: center; justify-content: space-between;
    box-shadow: 0 1px 3px rgba(0,0,0,0.05); position: sticky; top: 0; z-index: 50;
}

/* Drawer & Palette */
#edq-app-wrapper .palette-overlay {
    position: absolute; top: 0; right: -100%; width: 100%; height: 100%;
    background: rgba(0,0,0,0.5); z-index: 1000; transition: 0.3s;
    display: flex; justify-content: flex-end;
}
#edq-app-wrapper .palette-overlay.open { right: 0; }
#edq-app-wrapper .palette-drawer {
    width: 85%; max-width: 320px; height: 100%; background: white;
    padding: 20px; display: flex; flex-direction: column;
    box-shadow: -5px 0 15px rgba(0,0,0,0.1);
}
#edq-app-wrapper .palette-grid { display: grid; grid-template-columns: repeat(5, 1fr); gap: 10px; margin-top: 20px; align-content: start; overflow-y: auto; }
#edq-app-wrapper .palette-item {
    aspect-ratio: 1; border-radius: 50%; background: #f3f4f6;
    display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 0.9rem;
    cursor: pointer; border: 1px solid #e5e7eb; color: #555;
}
#edq-app-wrapper .p-answered { background: var(--success); color: white; border-color: var(--success); }
#edq-app-wrapper .p-marked { background: var(--purple); color: white; border-color: var(--purple); }
#edq-app-wrapper .p-current { border: 2px solid var(--primary); transform: scale(1.1); }

/* Question Area */
#edq-app-wrapper .quiz-body { padding: 20px; padding-bottom: 100px; text-align: left; }
#edq-app-wrapper .timer-badge {
    background: #f1f5f9; color: #333; padding: 6px 12px; border-radius: 20px;
    font-weight: 700; font-size: 0.9rem; display: flex; align-items: center; gap: 6px;
}
#edq-app-wrapper .timer-badge.low-time { animation: pulse 1s infinite; background: #fee2e2; color: #dc2626; }
@keyframes pulse { 0% { transform: scale(1); } 50% { transform: scale(1.05); } 100% { transform: scale(1); } }

#edq-app-wrapper .question-text { font-size: 1.15rem; font-weight: 700; line-height: 1.4; margin-bottom: 25px; color: #111; }
#edq-app-wrapper .option-btn {
    background: white; border: 2px solid #e5e7eb; padding: 16px; border-radius: 12px;
    margin-bottom: 12px; cursor: pointer; display: flex; align-items: center; gap: 15px; transition: 0.15s;
}
#edq-app-wrapper .option-circle {
    width: 26px; height: 26px; border: 2px solid #ccc; border-radius: 50%;
    display: flex; align-items: center; justify-content: center; font-size: 0.8rem; flex-shrink: 0; color: #ccc; font-weight: 700;
}
#edq-app-wrapper .option-btn.selected { border-color: var(--primary); background: var(--primary-light); }
#edq-app-wrapper .option-btn.selected .option-circle { background: var(--primary); border-color: var(--primary); color: white; }

/* Footer */
#edq-app-wrapper .quiz-footer {
    position: absolute; bottom: 0; left: 0; width: 100%; background: white;
    padding: 15px 20px; box-shadow: 0 -2px 10px rgba(0,0,0,0.05);
    display: flex; justify-content: space-between; gap: 10px; z-index: 40;
}
#edq-app-wrapper .btn-nav { padding: 12px 20px; border-radius: 10px; font-weight: 700; border: none; cursor: pointer; font-size: 0.9rem; }
#edq-app-wrapper .btn-prev { background: #f3f4f6; color: #333; }
#edq-app-wrapper .btn-next { background: var(--primary); color: white; flex-grow: 1; }
#edq-app-wrapper .btn-mark { background: #f3e8ff; color: var(--purple); width: 50px; display: flex; justify-content: center; align-items: center; font-size: 1.2rem; }
#edq-app-wrapper .btn-mark.active { background: var(--purple); color: white; }

/* --- RESULTS & SOLUTIONS --- */
#edq-app-wrapper .result-chart {
    width: 150px; height: 150px; border-radius: 50%; margin: 20px auto;
    background: conic-gradient(var(--success) 0deg, #e5e7eb 0deg);
    display: flex; align-items: center; justify-content: center;
}
#edq-app-wrapper .solution-card { background: white; border: 1px solid #e5e7eb; border-radius: 12px; padding: 15px; margin-bottom: 15px; text-align: left; }
#edq-app-wrapper .sol-correct { border-left: 5px solid var(--success); }
#edq-app-wrapper .sol-wrong { border-left: 5px solid var(--danger); }
#edq-app-wrapper .exp-box { background: #f8fafc; padding: 10px; border-radius: 8px; margin-top: 10px; font-size: 0.85rem; color: #475569; }

/* --- MODALS (Login & Pay) --- */
#edq-app-wrapper .modal-overlay {
    position: absolute; top: 0; left: 0; width: 100%; height: 100%;
    background: rgba(0,0,0,0.6); z-index: 2000; display: none;
    align-items: flex-end; justify-content: center;
}
#edq-app-wrapper .modal-overlay.active { display: flex; }
#edq-app-wrapper .modal-content { 
    background: white; width: 100%; max-width: 500px; padding: 30px 25px; 
    border-top-left-radius: 20px; border-top-right-radius: 20px; text-align: center; 
    box-shadow: 0 -4px 20px rgba(0,0,0,0.2); animation: slideUp 0.3s ease;
}
@keyframes slideUp { from { transform: translateY(100%); } to { transform: translateY(0); } }

/* Desktop Modal Center */
@media (min-width: 768px) {
    #edq-app-wrapper .modal-overlay { align-items: center; }
    #edq-app-wrapper .modal-content { border-radius: 20px; }
}

/* --- FULLSCREEN MODE (NEW) --- */
/* This class is toggled by JS on startEngine() */
#edq-app-wrapper.edq-fullscreen-mode {
    position: fixed !important;
    top: 0;
    left: 0;
    width: 100vw !important;
    height: 100vh !important;
    max-width: none !important;
    margin: 0 !important;
    border: none !important;
    border-radius: 0 !important;
    z-index: 2147483647; /* Highest possible */
    background: #fff;
    overflow-y: auto;
}

#edq-app-wrapper.edq-fullscreen-mode .quiz-body {
    max-width: 800px; /* Keep content readable in wide screen */
    margin: 0 auto;
    padding-bottom: 120px; /* Ensure space for footer */
}

#edq-app-wrapper.edq-fullscreen-mode .quiz-footer {
    position: fixed;
    bottom: 0;
    left: 0;
    width: 100%;
    border-top: 1px solid #e5e7eb;
}
#edq-app-wrapper.edq-fullscreen-mode .quiz-footer > * {
    max-width: 800px;
    margin: 0 auto;
    width: 100%;
}