/**
 * ============================================
 * MCQ QUIZ MODULE - STYLESHEET
 * ============================================
 * Reusable MCQ Quiz System for XRanatomy
 * Location: public/css/mcq-quiz.css
 * ============================================
 */

/* MCQ Quiz Bar Styles */
.mcq-quiz-bar {
    position: fixed;
    bottom: 0;
    left: 0;
    right: 0;
    background: #fff;
    box-shadow: 0 -4px 20px rgba(0, 0, 0, 0.15);
    z-index: 1000;
    padding: 15px 20px;
    transition: transform 0.3s ease;
}

.mcq-quiz-bar.minimized {
    transform: translateY(calc(100% - 50px));
}

.mcq-toggle-btn {
    position: absolute;
    top: -40px;
    right: 20px;
    background: #007aff;
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
}

.mcq-progress-container {
    display: flex;
    align-items: center;
    gap: 15px;
    margin-bottom: 12px;
}

.mcq-progress-bar {
    flex: 1;
    height: 8px;
    background: #e0e0e0;
    border-radius: 4px;
    overflow: hidden;
}

.mcq-progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #007aff, #00c853);
    border-radius: 4px;
    transition: width 0.4s ease;
}

.mcq-progress-text {
    font-weight: 500;
    color: #333;
    font-size: 14px;
    min-width: 60px;
}

.mcq-score {
    font-weight: 500;
    color: #007aff;
    font-size: 14px;
}

.mcq-question {
    font-size: 16px;
    font-weight: 400;
    color: #333;
    margin-bottom: 12px;
    line-height: 1.5;
}

.mcq-options {
    display: flex;
    flex-direction: column;
    gap: 10px;
    margin-bottom: 10px;
}

.mcq-option {
    width: 100%;
    padding: 12px 18px;
    background: #f5f5f5;
    border: 2px solid #e0e0e0;
    border-radius: 8px;
    cursor: pointer;
    font-size: 15px;
    font-weight: 400;
    transition: all 0.2s ease;
    text-align: left;
}

.mcq-option:hover:not(.disabled) {
    background: #e3f2fd;
    border-color: #007aff;
}

.mcq-option.selected {
    background: #e3f2fd;
    border-color: #007aff;
}

.mcq-option.correct {
    background: #e8f5e9;
    border-color: #4caf50;
    color: #2e7d32;
}

.mcq-option.incorrect {
    background: #ffebee;
    border-color: #f44336;
    color: #c62828;
}

.mcq-option.disabled {
    cursor: default;
    opacity: 0.7;
}

.mcq-option.show-correct {
    background: #e8f5e9;
    border-color: #4caf50;
}

.mcq-feedback {
    font-size: 16px;
    font-weight: 400;
    margin-top: 15px;
    margin-bottom: 15px;
    padding: 12px 0;
    min-height: 20px;
    line-height: 1.5;
}

.mcq-feedback.correct {
    color: #4caf50;
}

.mcq-feedback.incorrect {
    color: #f44336;
}

.mcq-review-link {
    display: inline-block;
    margin-left: 8px;
    color: #007aff;
    text-decoration: none;
    font-weight: 500;
    padding: 4px 12px;
    background: #e3f2fd;
    border-radius: 15px;
    transition: all 0.2s ease;
}

.mcq-review-link:hover {
    background: #007aff;
    color: #fff;
    text-decoration: none;
}

.mcq-nav-buttons {
    display: flex;
    justify-content: space-between;
    align-items: center;
    gap: 15px;
}

.mcq-prev-btn,
.mcq-next-btn {
    background: #007aff;
    color: #fff;
    border: none;
    padding: 10px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    transition: background 0.2s ease;
}

.mcq-prev-btn:hover,
.mcq-next-btn:hover {
    background: #0056b3;
}

.mcq-prev-btn:disabled,
.mcq-next-btn:disabled {
    background: #ccc;
    cursor: not-allowed;
}

.mcq-complete {
    text-align: center;
    padding: 20px 0;
}

.mcq-complete h4 {
    color: #333;
    margin-bottom: 10px;
}

.mcq-complete .score-display {
    font-size: 24px;
    font-weight: 600;
    color: #007aff;
    margin-bottom: 15px;
}

.mcq-restart-btn {
    background: #007aff;
    color: #fff;
    border: none;
    padding: 10px 25px;
    border-radius: 8px;
    cursor: pointer;
    font-weight: 500;
}

@media (max-width: 768px) {
    .mcq-quiz-bar {
        padding: 12px 15px;
    }

    .mcq-question {
        font-size: 15px;
    }

    .mcq-option {
        padding: 10px 15px;
        font-size: 14px;
    }
}


/* Floating Quiz Modal Styles */
.mcq-quiz-bar.floating {
    position: fixed !important;
    bottom: auto !important;
    left: 50% !important;
    top: 50% !important;
    right: auto !important;
    transform: translate(-50%, -50%) !important;
    width: 65%;
    max-width: 900px;
    min-width: 500px;
    border-radius: 16px;
    box-shadow: 0 12px 48px rgba(0, 0, 0, 0.3);
    max-height: 80vh;
    overflow: hidden;
    transition: none;
}

@media (max-width: 900px) {
    .mcq-quiz-bar.floating {
        width: calc(100vw - 40px);
    }
}

.mcq-quiz-bar.floating.mcq-dragging {
    transition: none;
    cursor: grabbing;
}

.mcq-floating-header {
    display: none;
    cursor: move;
    padding: 16px 20px;
    background: linear-gradient(135deg, #007aff, #0056b3);
    color: white;
    border-radius: 16px 16px 0 0;
    font-weight: 500;
    font-size: 15px;
    user-select: none;
    position: relative;
}

.mcq-quiz-bar.floating .mcq-floating-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.mcq-floating-header:active {
    cursor: grabbing;
}

.mcq-floating-title {
    display: flex;
    align-items: center;
    gap: 10px;
}

.mcq-drag-icon {
    opacity: 0.7;
    font-size: 18px;
}

.mcq-dock-btn {
    background: rgba(255, 255, 255, 0.2);
    color: white;
    border: 1px solid rgba(255, 255, 255, 0.4);
    padding: 6px 14px;
    border-radius: 6px;
    cursor: pointer;
    font-size: 13px;
    font-weight: 500;
    transition: all 0.2s;
}

.mcq-dock-btn:hover {
    background: rgba(255, 255, 255, 0.3);
    border-color: rgba(255, 255, 255, 0.6);
}

.mcq-detach-btn {
    position: absolute;
    top: -40px;
    right: 160px;
    background: #218838;
    color: #fff;
    border: none;
    padding: 8px 16px;
    border-radius: 8px 8px 0 0;
    cursor: pointer;
    font-weight: 500;
    font-size: 14px;
    transition: background 0.2s;
    display: flex;
    align-items: center;
    gap: 6px;
}

.mcq-detach-btn:hover {
    background: #1e7e34;
}

.mcq-quiz-bar.floating .mcq-toggle-btn {
    display: none;
}

.mcq-quiz-bar.floating .mcq-detach-btn {
    display: none;
}

.mcq-quiz-bar.floating .mcq-content {
    max-height: calc(80vh - 80px);
    overflow-y: auto;
    padding: 20px;
}

/* Improve readability in floating mode */
.mcq-quiz-bar.floating .mcq-question {
    font-size: 17px;
}

.mcq-quiz-bar.floating .mcq-option {
    font-size: 16px;
}

.mcq-quiz-bar.floating .mcq-feedback {
    font-size: 17px;
}


@media (max-width: 768px) {
    .mcq-detach-btn {
        display: none !important;
    }

    .mcq-quiz-bar.floating {
        position: fixed !important;
        bottom: 0 !important;
        left: 0 !important;
        right: 0 !important;
        top: auto !important;
        transform: none !important;
        width: 100%;
        border-radius: 12px 12px 0 0;
    }
}