/* Generated from quiz.html inline styles */
/* ── Quiz Page specific Styles ── */
        .page-header {
            padding: calc(var(--nav-height) + 60px) 0 40px;
            text-align: center;
            position: relative;
        }

        .page-header::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 100%;
            max-width: 600px;
            height: 400px;
            background: radial-gradient(circle, rgba(5, 150, 105, 0.08), transparent 60%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-header h1 {
            font-size: clamp(2.2rem, 5vw, 3.2rem);
            font-weight: 900;
            margin-bottom: 16px;
        }

        .page-header p {
            color: var(--text-secondary);
            font-size: 1.1rem;
            max-width: 650px;
            margin: 0 auto;
        }

        /* Quiz Container Card */
        .quiz-container {
            max-width: 720px;
            width: 100%;
            margin: 0 auto 80px;
            background: var(--bg-glass);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-xl);
            padding: 48px;
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
            min-height: 480px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .quiz-container::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), var(--info), var(--success));
        }

        /* Screens */
        .quiz-screen {
            display: none;
            animation: fadeIn 0.4s ease-out;
            width: 100%;
        }

        .quiz-screen.active {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        /* Start Screen */
        .start-icon {
            font-size: 3.5rem;
            text-align: center;
            color: var(--accent);
            margin-bottom: 8px;
            animation: pulse 3s ease-in-out infinite;
        }

        .rules-list {
            background: rgba(255, 255, 255, 0.4);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: left;
            margin: 16px 0;
        }

        .rules-list h3 {
            margin-bottom: 12px;
            font-size: 1.1rem;
        }

        .rules-list ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .rules-list li {
            font-size: 0.92rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .rules-list li i {
            color: var(--success);
            font-size: 0.85rem;
        }

        /* Progress Bar & Header */
        .quiz-hud {
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--text-muted);
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .progress-bar-container {
            width: 100%;
            height: 6px;
            background: rgba(15, 23, 42, 0.05);
            border-radius: 100px;
            overflow: hidden;
            margin-bottom: 12px;
        }

        .progress-bar {
            height: 100%;
            width: 0%;
            background: linear-gradient(90deg, var(--accent), var(--success));
            border-radius: 100px;
            transition: width var(--transition-normal);
        }

        /* Timer bar */
        .timer-bar-container {
            width: 100%;
            height: 3px;
            background: rgba(15, 23, 42, 0.03);
            overflow: hidden;
            position: relative;
        }

        .timer-bar {
            height: 100%;
            width: 100%;
            background: var(--info);
            transition: width 0.1s linear;
        }

        .timer-bar.warning {
            background: var(--danger);
        }

        /* Question & Options */
        .question-box h2 {
            font-size: 1.35rem;
            line-height: 1.4;
            color: var(--text-primary);
            font-weight: 800;
        }

        .options-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 14px;
            margin-top: 12px;
        }

        .option-btn {
            background: rgba(255, 255, 255, 0.65);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            text-align: left;
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition-fast);
            font-family: 'Inter', sans-serif;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }

        .option-btn:hover:not(.disabled) {
            background: var(--bg-card-hover);
            border-color: rgba(15, 23, 42, 0.2);
            transform: translateX(4px);
            color: var(--text-primary);
        }

        .option-btn.correct {
            background: rgba(16, 185, 129, 0.15) !important;
            border-color: var(--success) !important;
            color: var(--success) !important;
        }

        .option-btn.incorrect {
            background: rgba(220, 38, 38, 0.12) !important;
            border-color: var(--danger) !important;
            color: var(--danger) !important;
        }

        .option-btn.disabled {
            cursor: not-allowed;
            opacity: 0.65;
        }

        .option-btn .option-indicator {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            border: 1.5px solid var(--text-muted);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.75rem;
            font-weight: 700;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .option-btn.correct .option-indicator {
            border-color: var(--success);
            background: var(--success);
            color: #ffffff;
        }

        .option-btn.incorrect .option-indicator {
            border-color: var(--danger);
            background: var(--danger);
            color: #ffffff;
        }

        /* Explanation Box */
        .explanation-box {
            display: none;
            background: rgba(37, 99, 235, 0.05);
            border: 1px solid rgba(37, 99, 235, 0.15);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            font-size: 0.88rem;
            color: var(--text-secondary);
            line-height: 1.6;
            animation: slideDown 0.3s ease-out;
        }

        .explanation-box strong {
            color: var(--info);
            display: block;
            margin-bottom: 4px;
        }

        /* Result Screen */
        .results-box {
            text-align: center;
        }

        .score-circle {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            border: 6px solid var(--border-glass);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            margin: 0 auto 24px;
            background: rgba(255, 255, 255, 0.5);
            box-shadow: var(--shadow-md);
        }

        .score-num {
            font-size: 2.8rem;
            font-weight: 900;
            font-family: 'Outfit', sans-serif;
            line-height: 1;
            background: linear-gradient(135deg, var(--accent), var(--success));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .score-total {
            font-size: 0.85rem;
            color: var(--text-muted);
            font-weight: 700;
            margin-top: 4px;
            text-transform: uppercase;
        }

        .badge-display {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(245, 158, 11, 0.12);
            border: 1.5px solid var(--accent);
            border-radius: 100px;
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--accent);
            margin-bottom: 24px;
        }

        .badge-display.silver {
            background: rgba(148, 163, 184, 0.12);
            border-color: #64748b;
            color: #475569;
        }

        .badge-display.bronze {
            background: rgba(180, 83, 9, 0.12);
            border-color: #b45309;
            color: #b45309;
        }

        .badge-display.learner {
            background: rgba(37, 99, 235, 0.12);
            border-color: var(--info);
            color: var(--info);
        }

        /* Dynamic Certificate Box */
        .certificate-container {
            display: none;
            background: #ffffff;
            border: 10px double var(--primary-light);
            border-radius: var(--radius-sm);
            padding: 32px;
            margin: 24px 0;
            text-align: center;
            position: relative;
            box-shadow: var(--shadow-lg);
            color: #0f172a;
        }

        .certificate-container::before {
            content: '';
            position: absolute;
            inset: 4px;
            border: 1px solid rgba(15, 23, 42, 0.2);
            pointer-events: none;
        }

        .certificate-header {
            font-family: 'Outfit', sans-serif;
            font-size: 1.4rem;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 8px;
            font-weight: 800;
        }

        .certificate-title {
            font-size: 0.9rem;
            color: var(--text-muted);
            letter-spacing: 1px;
            margin-bottom: 24px;
            font-weight: 600;
        }

        .certificate-recipient {
            font-size: 1.6rem;
            font-family: 'Outfit', sans-serif;
            font-weight: 800;
            border-bottom: 2px solid var(--border-glass);
            display: inline-block;
            padding: 0 24px 4px;
            margin-bottom: 18px;
            color: var(--text-primary);
        }

        .certificate-text {
            font-size: 0.9rem;
            color: var(--text-secondary);
            max-width: 480px;
            margin: 0 auto 28px;
            line-height: 1.6;
        }

        .certificate-text strong {
            color: var(--accent);
        }

        .certificate-footer {
            display: flex;
            justify-content: space-around;
            align-items: center;
            font-size: 0.75rem;
            color: var(--text-muted);
            margin-top: 16px;
        }

        .cert-sig {
            width: 100px;
            border-top: 1px solid var(--text-muted);
            padding-top: 6px;
            text-align: center;
        }

        .cert-stamp {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            border: 2px dashed var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent);
            font-size: 0.65rem;
            font-weight: 800;
            transform: rotate(-15deg);
        }

        /* Action bar for cert */
        .cert-actions {
            display: flex;
            gap: 12px;
            justify-content: center;
            margin-top: 16px;
        }

        /* Animation */
        @keyframes slideDown {
            from {
                opacity: 0;
                transform: translateY(-8px);
            }

            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        @keyframes fadeIn {
            from {
                opacity: 0;
            }

            to {
                opacity: 1;
            }
        }

        /* Certificate Print CSS overrides */
        @media print {
            body * {
                visibility: hidden;
            }

            #certificateBox,
            #certificateBox * {
                visibility: visible;
            }

            #certificateBox {
                position: absolute;
                left: 0;
                top: 0;
                width: 100%;
                border: 12px double #1a3a5c;
                box-shadow: none;
                margin: 0;
                padding: 40px;
                background: #fff;
            }
        }

        /* Name input styles */
        .form-group {
            margin-bottom: 24px;
            text-align: left;
        }

        .form-group .name-account-hint {
            display: block;
            font-size: 0.75rem;
            color: var(--success);
            margin-top: 6px;
        }

        .form-group .name-account-hint i {
            margin-right: 4px;
        }

        #userName[readonly] {
            background: rgba(148, 163, 184, 0.12);
            cursor: not-allowed;
        }

        /* Login-required modal */
        .login-modal-overlay {
            display: none;
            position: fixed;
            inset: 0;
            z-index: 2000;
            background: rgba(2, 6, 23, 0.65);
            backdrop-filter: blur(4px);
            -webkit-backdrop-filter: blur(4px);
            align-items: center;
            justify-content: center;
            padding: 20px;
        }

        .login-modal-overlay.show {
            display: flex;
            animation: fadeIn 0.25s ease-out;
        }

        .login-modal {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            max-width: 420px;
            width: 100%;
            padding: 36px 32px 28px;
            text-align: center;
            position: relative;
        }

        .login-modal .modal-close {
            position: absolute;
            top: 14px;
            right: 14px;
            background: none;
            border: none;
            color: var(--text-muted);
            font-size: 1.2rem;
            cursor: pointer;
            padding: 6px;
            line-height: 1;
        }

        .login-modal .modal-close:hover {
            color: var(--text-primary);
        }

        .login-modal .modal-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 16px;
            border-radius: 50%;
            background: rgba(37, 99, 235, 0.12);
            border: 1.5px solid var(--info);
            color: var(--info);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
        }

        .login-modal h3 {
            font-family: 'Outfit', sans-serif;
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 10px;
        }

        .login-modal p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 24px;
        }

        .login-modal .modal-actions {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .login-modal .btn {
            justify-content: center;
            width: 100%;
        }
        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--text-secondary);
            margin-bottom: 8px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .form-group input {
            width: 100%;
            padding: 14px 18px;
            background: rgba(255, 255, 255, 0.7);
            border: 1.5px solid var(--border-glass);
            border-radius: var(--radius-md);
            color: var(--text-primary);
            font-size: 1rem;
            font-family: 'Inter', sans-serif;
            transition: all var(--transition-fast);
            outline: none;
            box-shadow: var(--shadow-sm);
        }

        .form-group input:focus {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.9);
            box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.12);
        }

        .form-group input::placeholder {
            color: var(--text-muted);
        }

        @media (max-width: 600px) {
            .quiz-container {
                padding: 24px;
            }

            .rules-list {
                padding: 16px;
            }

            .cert-actions {
                flex-direction: column;
            }
        }