/* ============================================
   QUIZ MODULE - AZOTA STYLE
   ============================================ */

:root {
    --quiz-primary: #4361ee;
    --quiz-primary-dark: #3a56d4;
    --quiz-success: #2ec4b6;
    --quiz-danger: #e63946;
    --quiz-warning: #f77f00;
    --quiz-bg: #f0f2f5;
    --quiz-card: #ffffff;
    --quiz-text: #2b2d42;
    --quiz-text-light: #8d99ae;
    --quiz-border: #e0e0e0;
    --quiz-correct: #2ec4b6;
    --quiz-incorrect: #e63946;
    --quiz-radius: 12px;
    --quiz-shadow: 0 2px 12px rgba(0,0,0,0.08);
}

/* ===== MAIN - Exam List ===== */
.quiz-main {
    max-width: 1200px;
    margin: 0 auto;
    padding: 20px 0;
}

.quiz-main .section-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--quiz-text);
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.quiz-main .section-title i {
    color: var(--quiz-primary);
}

.quiz-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 20px;
}

.quiz-card {
    background: var(--quiz-card);
    border-radius: var(--quiz-radius);
    box-shadow: var(--quiz-shadow);
    overflow: hidden;
    transition: transform 0.2s, box-shadow 0.2s;
    text-decoration: none;
    color: inherit;
    display: block;
}

.quiz-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 24px rgba(0,0,0,0.12);
    text-decoration: none;
    color: inherit;
}

.quiz-card-header {
    background: linear-gradient(135deg, var(--quiz-primary), #7209b7);
    padding: 20px;
    color: #fff;
    position: relative;
}

.quiz-card-header.ended {
    background: linear-gradient(135deg, #6c757d, #495057);
}

.quiz-card-header.active {
    background: linear-gradient(135deg, var(--quiz-success), #06d6a0);
}

.quiz-card-header h3 {
    font-size: 16px;
    font-weight: 600;
    margin: 0;
    color: #fff;
    line-height: 1.4;
}

.quiz-card-badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 11px;
    font-weight: 600;
    margin-bottom: 8px;
    background: rgba(255,255,255,0.2);
    color: #fff;
}

.quiz-card-body {
    padding: 16px 20px;
}

.quiz-card-meta {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.quiz-card-meta span {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--quiz-text-light);
}

.quiz-card-meta i {
    width: 16px;
    color: var(--quiz-primary);
}

.quiz-card-footer {
    padding: 12px 20px;
    border-top: 1px solid var(--quiz-border);
    display: flex;
    justify-content: flex-end;
}

.quiz-card-footer .btn-start {
    background: var(--quiz-primary);
    color: #fff;
    border: none;
    padding: 6px 20px;
    border-radius: 20px;
    font-size: 13px;
    font-weight: 600;
    transition: background 0.2s;
}

.quiz-card-footer .btn-start:hover {
    background: var(--quiz-primary-dark);
    color: #fff;
    text-decoration: none;
}

/* ===== DETAIL - Registration Form ===== */
.quiz-detail {
    max-width: 700px;
    margin: 0 auto;
    padding: 20px 0;
}

.quiz-detail-card {
    background: var(--quiz-card);
    border-radius: var(--quiz-radius);
    box-shadow: var(--quiz-shadow);
    overflow: hidden;
}

.quiz-detail-header {
    background: linear-gradient(135deg, var(--quiz-primary), #7209b7);
    padding: 30px;
    color: #fff;
    text-align: center;
}

.quiz-detail-header h1 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 10px;
    color: #fff;
    text-transform: uppercase;
}

.quiz-detail-header .quiz-meta-row {
    display: flex;
    justify-content: center;
    gap: 24px;
    flex-wrap: wrap;
}

.quiz-detail-header .quiz-meta-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: rgba(255,255,255,0.9);
}

.quiz-detail-body {
    padding: 30px;
}

.quiz-detail-body .form-group {
    margin-bottom: 20px;
}

.quiz-detail-body label.control-label {
    font-weight: 600;
    color: var(--quiz-text);
    font-size: 14px;
    margin-bottom: 6px;
}

.quiz-detail-body .form-control {
    border: 2px solid var(--quiz-border);
    border-radius: 8px;
    padding: 10px 14px;
    font-size: 14px;
    transition: border-color 0.2s;
    background: #fff;
}

.quiz-detail-body .form-control:focus {
    border-color: var(--quiz-primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

.quiz-detail-actions {
    text-align: center;
    padding: 0 30px 30px;
    display: flex;
    gap: 12px;
    justify-content: center;
}

.btn-quiz-start {
    background: var(--quiz-primary);
    color: #fff;
    border: none;
    padding: 12px 40px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-quiz-start:hover {
    background: var(--quiz-primary-dark);
    color: #fff;
    transform: translateY(-1px);
    text-decoration: none;
}

.btn-quiz-history {
    background: transparent;
    color: var(--quiz-primary);
    border: 2px solid var(--quiz-primary);
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    transition: all 0.2s;
}

.btn-quiz-history:hover {
    background: rgba(67, 97, 238, 0.05);
    color: var(--quiz-primary);
    text-decoration: none;
}

.quiz-alert {
    background: #fff3cd;
    border: 1px solid #ffc107;
    border-radius: 8px;
    padding: 14px 20px;
    margin: 0 30px 20px;
    font-size: 14px;
    color: #856404;
    text-align: center;
}

.quiz-alert.quiz-alert-danger {
    background: #f8d7da;
    border-color: #f5c6cb;
    color: #721c24;
}

.quiz-alert.quiz-alert-info {
    background: #d1ecf1;
    border-color: #bee5eb;
    color: #0c5460;
}

/* ===== TESTING - Exam Interface ===== */
.quiz-testing {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.quiz-testing-header {
    background: var(--quiz-card);
    border-radius: var(--quiz-radius);
    box-shadow: var(--quiz-shadow);
    padding: 20px 24px;
    margin-bottom: 20px;
    position: sticky;
    top: 0;
    z-index: 100;
}

.quiz-testing-header-inner {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 12px;
}

.quiz-testing-title {
    font-size: 18px;
    font-weight: 700;
    color: var(--quiz-text);
    margin: 0;
}

.quiz-testing-info {
    display: flex;
    align-items: center;
    gap: 20px;
}

.quiz-testing-info .info-item {
    display: flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: var(--quiz-text-light);
}

.quiz-testing-info .info-item i {
    color: var(--quiz-primary);
}

.quiz-timer {
    display: flex;
    align-items: center;
    gap: 8px;
    background: var(--quiz-danger);
    color: #fff;
    padding: 8px 16px;
    border-radius: 8px;
    font-size: 18px;
    font-weight: 700;
    letter-spacing: 1px;
    animation: pulse-timer 2s infinite;
}

.quiz-timer i {
    font-size: 16px;
}

@keyframes pulse-timer {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.8; }
}

.quiz-testing-actions {
    display: flex;
    gap: 10px;
}

.btn-quiz-submit {
    background: var(--quiz-success);
    color: #fff;
    border: none;
    padding: 10px 24px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-quiz-submit:hover {
    background: #25a89d;
    color: #fff;
}

.btn-quiz-abandon {
    background: transparent;
    color: var(--quiz-danger);
    border: 2px solid var(--quiz-danger);
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.2s;
}

.btn-quiz-abandon:hover {
    background: var(--quiz-danger);
    color: #fff;
}

/* Question Card */
.quiz-question {
    background: var(--quiz-card);
    border-radius: var(--quiz-radius);
    box-shadow: var(--quiz-shadow);
    margin-bottom: 16px;
    overflow: hidden;
    transition: box-shadow 0.2s;
}

.quiz-question:hover {
    box-shadow: 0 4px 16px rgba(0,0,0,0.1);
}

.quiz-question-header {
    padding: 16px 20px 8px;
    display: flex;
    align-items: flex-start;
    gap: 12px;
}

.quiz-question-number {
    background: var(--quiz-primary);
    color: #fff;
    min-width: 32px;
    height: 32px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    font-weight: 700;
    flex-shrink: 0;
}

.quiz-question-text {
    font-size: 15px;
    font-weight: 600;
    color: var(--quiz-text);
    line-height: 1.6;
    flex: 1;
}

.quiz-question-text img {
    max-width: 100%;
    height: auto;
    border-radius: 8px;
    margin-top: 8px;
}

.quiz-question-body {
    padding: 8px 20px 16px;
    padding-left: 64px;
}

.quiz-answer-option {
    display: flex;
    align-items: flex-start;
    gap: 10px;
    padding: 10px 14px;
    margin-bottom: 6px;
    border-radius: 8px;
    border: 2px solid var(--quiz-border);
    cursor: pointer;
    transition: all 0.2s;
    font-size: 14px;
    color: var(--quiz-text);
    background: #fff;
}

.quiz-answer-option:hover {
    border-color: var(--quiz-primary);
    background: rgba(67, 97, 238, 0.03);
}

.quiz-answer-option input[type="radio"],
.quiz-answer-option input[type="checkbox"] {
    margin-top: 3px;
    accent-color: var(--quiz-primary);
}

.quiz-answer-option.selected {
    border-color: var(--quiz-primary);
    background: rgba(67, 97, 238, 0.06);
}

.quiz-answer-option.correct {
    border-color: var(--quiz-correct);
    background: rgba(46, 196, 182, 0.08);
    color: var(--quiz-correct);
}

.quiz-answer-option.incorrect {
    border-color: var(--quiz-incorrect);
    background: rgba(230, 57, 70, 0.05);
}

.quiz-answer-multiple-hint {
    font-size: 12px;
    color: var(--quiz-warning);
    margin-top: 4px;
    font-style: italic;
}

/* Textarea for essay */
.quiz-question-body textarea.form-control {
    border: 2px solid var(--quiz-border);
    border-radius: 8px;
    padding: 12px;
    font-size: 14px;
    min-height: 100px;
    resize: vertical;
}

.quiz-question-body textarea.form-control:focus {
    border-color: var(--quiz-primary);
    box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.1);
}

/* ===== RESULT ===== */
.quiz-result {
    max-width: 700px;
    margin: 0 auto;
    padding: 20px 0;
}

.quiz-result-card {
    background: var(--quiz-card);
    border-radius: var(--quiz-radius);
    box-shadow: var(--quiz-shadow);
    overflow: hidden;
    text-align: center;
}

.quiz-result-header {
    background: linear-gradient(135deg, var(--quiz-success), #06d6a0);
    padding: 40px 30px;
    color: #fff;
}

.quiz-result-header h1 {
    font-size: 22px;
    font-weight: 700;
    margin: 0 0 6px;
    color: #fff;
    text-transform: uppercase;
}

.quiz-result-header .result-subtitle {
    font-size: 14px;
    opacity: 0.9;
}

.quiz-result-score {
    padding: 30px;
}

.quiz-score-circle {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--quiz-primary), #7209b7);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 20px;
    color: #fff;
}

.quiz-score-circle .score-value {
    font-size: 36px;
    font-weight: 800;
    line-height: 1;
}

.quiz-score-circle .score-label {
    font-size: 12px;
    opacity: 0.8;
    margin-top: 4px;
}

.quiz-result-stats {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    padding: 0 30px 30px;
}

.quiz-stat-item {
    text-align: center;
    padding: 16px;
    background: var(--quiz-bg);
    border-radius: 8px;
}

.quiz-stat-item .stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--quiz-text);
}

.quiz-stat-item .stat-label {
    font-size: 12px;
    color: var(--quiz-text-light);
    margin-top: 4px;
}

.quiz-stat-item.correct .stat-value { color: var(--quiz-correct); }
.quiz-stat-item.incorrect .stat-value { color: var(--quiz-incorrect); }
.quiz-stat-item.skipped .stat-value { color: var(--quiz-warning); }

.quiz-result-time {
    padding: 0 30px 30px;
    font-size: 13px;
    color: var(--quiz-text-light);
}

/* ===== HISTORY ===== */
.quiz-history {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.quiz-history .section-title {
    font-size: 22px;
    font-weight: 700;
    color: var(--quiz-text);
    margin-bottom: 20px;
    display: flex;
    align-items: center;
    gap: 10px;
}

.quiz-history .section-title i {
    color: var(--quiz-primary);
}

.quiz-history-table {
    background: var(--quiz-card);
    border-radius: var(--quiz-radius);
    box-shadow: var(--quiz-shadow);
    overflow: hidden;
}

.quiz-history-table table {
    margin-bottom: 0;
}

.quiz-history-table thead th {
    background: var(--quiz-primary);
    color: #fff;
    font-weight: 600;
    font-size: 13px;
    padding: 12px 16px;
    border: none;
    white-space: nowrap;
}

.quiz-history-table tbody td {
    padding: 12px 16px;
    font-size: 14px;
    vertical-align: middle;
    border-color: var(--quiz-border);
}

.quiz-history-table tbody tr:hover {
    background: rgba(67, 97, 238, 0.03);
}

.quiz-history-table .result-badge {
    display: inline-block;
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.result-badge.pass {
    background: rgba(46, 196, 182, 0.15);
    color: var(--quiz-correct);
}

.result-badge.fail {
    background: rgba(230, 57, 70, 0.1);
    color: var(--quiz-incorrect);
}

/* ===== VIEW - Answer Review ===== */
.quiz-view {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px 0;
}

.quiz-view-info {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
    margin-bottom: 20px;
}

.quiz-view-info .info-card {
    background: var(--quiz-card);
    border-radius: var(--quiz-radius);
    box-shadow: var(--quiz-shadow);
    overflow: hidden;
}

.quiz-view-info .info-card-header {
    background: var(--quiz-primary);
    color: #fff;
    padding: 12px 20px;
    font-weight: 600;
    font-size: 14px;
}

.quiz-view-info .info-card table {
    margin-bottom: 0;
}

.quiz-view-info .info-card table th {
    font-weight: 600;
    color: var(--quiz-text-light);
    font-size: 13px;
    padding: 10px 16px;
    width: 40%;
    border-color: var(--quiz-border);
}

.quiz-view-info .info-card table td {
    font-size: 14px;
    padding: 10px 16px;
    border-color: var(--quiz-border);
}

/* ===== ANTI-CHEAT OVERLAY ===== */
.quiz-anticheat-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0,0,0,0.9);
    z-index: 10000;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    color: #fff;
}

.quiz-anticheat-overlay.active {
    display: flex;
}

.quiz-anticheat-overlay .warning-icon {
    font-size: 60px;
    margin-bottom: 20px;
    color: var(--quiz-warning);
}

.quiz-anticheat-overlay h2 {
    font-size: 24px;
    margin-bottom: 10px;
    color: #fff;
}

.quiz-anticheat-overlay p {
    color: rgba(255,255,255,0.7);
    font-size: 14px;
}

.quiz-anticheat-overlay .btn-return {
    background: var(--quiz-primary);
    color: #fff;
    border: none;
    padding: 12px 30px;
    border-radius: 8px;
    font-size: 16px;
    font-weight: 600;
    margin-top: 20px;
    cursor: pointer;
}

/* ===== Progress Bar (question tracker) ===== */
.quiz-progress {
    display: flex;
    gap: 4px;
    flex-wrap: wrap;
    margin-bottom: 16px;
    padding: 12px 16px;
    background: var(--quiz-card);
    border-radius: var(--quiz-radius);
    box-shadow: var(--quiz-shadow);
}

.quiz-progress-item {
    width: 32px;
    height: 32px;
    border-radius: 6px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 600;
    background: var(--quiz-bg);
    color: var(--quiz-text-light);
    cursor: pointer;
    transition: all 0.2s;
}

.quiz-progress-item.answered {
    background: var(--quiz-primary);
    color: #fff;
}

.quiz-progress-item.current {
    border: 2px solid var(--quiz-primary);
    color: var(--quiz-primary);
}

/* ===== RESPONSIVE ===== */
@media (max-width: 768px) {
    .quiz-grid {
        grid-template-columns: 1fr;
    }

    .quiz-testing-header-inner {
        flex-direction: column;
        align-items: flex-start;
    }

    .quiz-testing-actions {
        width: 100%;
    }

    .quiz-testing-actions .btn-quiz-submit {
        flex: 1;
    }

    .quiz-question-body {
        padding-left: 20px;
    }

    .quiz-result-stats {
        grid-template-columns: repeat(3, 1fr);
        gap: 8px;
    }

    .quiz-view-info {
        grid-template-columns: 1fr;
    }

    .quiz-detail-header .quiz-meta-row {
        flex-direction: column;
        gap: 8px;
    }

    .quiz-detail-actions {
        flex-direction: column;
    }

    .quiz-detail-actions .btn-quiz-start,
    .quiz-detail-actions .btn-quiz-history {
        width: 100%;
    }
}

@media (max-width: 480px) {
    .quiz-score-circle {
        width: 110px;
        height: 110px;
    }

    .quiz-score-circle .score-value {
        font-size: 28px;
    }
}