/* ========================================
   PRACTICE CONFIG FORM ENHANCEMENTS
   ======================================== */
.mmlms-form-section {
    margin-bottom: 32px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--mmlms-border, #e2e8f0);
}
.mmlms-form-section-title {
    font-size: 1.1rem;
    font-weight: 700;
    color: var(--mmlms-primary, #1c2fff);
    margin-bottom: 18px;
    letter-spacing: 0.5px;
}
.mmlms-tooltip {
    display: inline-block;
    background: #e0e7ff;
    color: #3730a3;
    border-radius: 50%;
    width: 20px;
    height: 20px;
    text-align: center;
    font-size: 0.95em;
    font-weight: 700;
    cursor: help;
    margin-left: 6px;
    line-height: 20px;
    border: 1px solid #a5b4fc;
    transition: background 0.2s;
}
.mmlms-tooltip:hover {
    background: #c7d2fe;
}
.mmlms-checkbox-label {
    margin-left: 8px;
    font-size: 1em;
    color: var(--mmlms-text, #1e293b);
    cursor: pointer;
}
.mmlms-hint {
    color: #64748b;
    font-size: 0.95em;
    margin-top: 4px;
    display: block;
}
#num_questions_slider {
    width: 180px;
    vertical-align: middle;
    margin-right: 8px;
}
#num_questions_value {
    color: var(--mmlms-primary, #1c2fff);
    font-weight: 700;
    font-size: 1.1em;
}
/**
 * Practice Module Styles
 *
 * Additional styles for practice interface
 *
 * @package MMLMS\Practice
 * @since 6.0.0
 */

/* ========================================
   PRACTICE CONTAINER
   ======================================== */
.mmlms-practice-container {
    max-width: 900px;
    margin: 0 auto;
    padding: 20px;
    background: #f7f9ff;
    border-radius: 16px;
}

/* Mobile responsive padding */
@media (max-width: 768px) {
    .mmlms-practice-container {
        padding: 16px;
        border-radius: 12px;
    }
    
    .mmlms-practice-header {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .mmlms-session-timer {
        font-size: 1.1rem;
        padding: 10px 16px;
    }
}

@media (max-width: 480px) {
    .mmlms-practice-container {
        padding: 12px;
        border-radius: 8px;
    }
}

/* ========================================
   PRACTICE HEADER
   ======================================== */
.mmlms-practice-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    background: var(--mmlms-card-bg, #fff);
    border-radius: 12px;
    margin-bottom: 24px;
    box-shadow: var(--mmlms-shadow, 0 4px 6px -1px rgba(0, 0, 0, 0.1));
    border: 1px solid var(--mmlms-border, #e2e8f0);
    flex-wrap: wrap;
    gap: 15px;
}

.mmlms-practice-info h2 {
    margin: 0 0 8px;
    font-size: 1.25rem;
    color: var(--mmlms-text, #1e293b);
}

.mmlms-question-counter {
    font-size: 0.9rem;
    color: var(--mmlms-text-muted, #64748b);
    display: flex;
    align-items: center;
    gap: 6px;
}

.mmlms-session-meta-badges {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-bottom: 8px;
}

.mmlms-session-pill {
    display: inline-flex;
    align-items: center;
    padding: 4px 10px;
    border-radius: 999px;
    font-size: 0.75rem;
    font-weight: 600;
    background: var(--mmlms-bg, #f1f5f9);
    color: var(--mmlms-text, #1e293b);
    border: 1px solid var(--mmlms-border, #e2e8f0);
}

.mmlms-session-timer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 12px 20px;
    background: linear-gradient(135deg, #1c2fff 0%, #6a7dff 100%);
    color: white;
    border-radius: 12px;
    font-size: 1.25rem;
    font-weight: 700;
    box-shadow: 0 4px 16px rgba(28, 47, 255, 0.25);
}

.mmlms-session-timer.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    animation: pulse 1s infinite;
}

.mmlms-session-timer.danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    animation: pulse 0.5s infinite;
}

.mmlms-practice-actions {
    display: flex;
    gap: 10px;
}

/* ========================================
   PROGRESS BAR
   ======================================== */
.mmlms-progress-wrapper {
    margin-bottom: 24px;
}

.mmlms-progress-bar-container {
    height: 8px;
    background: var(--mmlms-bg, #f1f5f9);
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 12px;
}

.mmlms-progress-bar {
    height: 100%;
    background: linear-gradient(90deg, #1c2fff 0%, #6a7dff 100%);
    border-radius: 4px;
    transition: width 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

.mmlms-progress-markers {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    justify-content: center;
}

.mmlms-progress-marker {
    width: 32px;
    height: 32px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    font-size: 0.8rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    border: 2px solid var(--mmlms-border, #e2e8f0);
    background: var(--mmlms-card-bg, #fff);
    color: var(--mmlms-text-muted, #64748b);
}

.mmlms-progress-marker:hover {
    transform: scale(1.1);
    border-color: var(--mmlms-primary, #4f46e5);
}

.mmlms-progress-marker.active {
    background: var(--mmlms-primary, #1c2fff);
    color: white;
    border-color: var(--mmlms-primary, #1c2fff);
    box-shadow: 0 0 0 4px rgba(28, 47, 255, 0.2);
}

.mmlms-progress-marker.answered {
    background: var(--mmlms-success, #10b981);
    color: white;
    border-color: var(--mmlms-success, #10b981);
}

.mmlms-progress-marker.correct {
    background: var(--mmlms-success, #10b981);
    color: white;
    border-color: var(--mmlms-success, #10b981);
}

.mmlms-progress-marker.incorrect {
    background: var(--mmlms-danger, #ef4444);
    color: white;
    border-color: var(--mmlms-danger, #ef4444);
}

.mmlms-progress-marker.skipped {
    background: #f59e0b;
    color: #111827;
    border-color: #d97706;
}

/* ========================================
   QUESTION CARD
   ======================================== */
.mmlms-question-card {
    position: relative;
    padding-top: 50px;
}

.mmlms-question-badge {
    position: absolute;
    top: 0;
    left: 30px;
    transform: translateY(-50%);
    padding: 8px 20px;
    background: linear-gradient(135deg, #1c2fff 0%, #6a7dff 100%);
    color: white;
    border-radius: 20px;
    font-size: 0.875rem;
    font-weight: 600;
    box-shadow: 0 4px 16px rgba(28, 47, 255, 0.25);
}

@media (max-width: 480px) {
    .mmlms-question-badge {
        left: 50%;
        transform: translate(-50%, -50%);
        font-size: 0.8rem;
        padding: 6px 16px;
    }
}

.mmlms-question-text {
    font-size: 1.1rem;
    line-height: 1.8;
    color: var(--mmlms-text, #1e293b);
    margin-bottom: 24px;
}

.mmlms-question-image {
    margin: 24px 0;
    text-align: center;
}

.mmlms-question-image img {
    max-width: 100%;
    border-radius: 12px;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
}

.mmlms-passage-box {
    background: var(--mmlms-bg, #f8fafc);
    border-left: 4px solid var(--mmlms-primary, #4f46e5);
    padding: 20px;
    border-radius: 0 12px 12px 0;
    margin-bottom: 24px;
}

.mmlms-passage-box h4 {
    margin: 0 0 12px;
    color: var(--mmlms-primary, #4f46e5);
    display: flex;
    align-items: center;
    gap: 8px;
}

/* ========================================
   OPTIONS
   ======================================== */
.mmlms-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.mmlms-option {
    display: flex;
    align-items: center;
    gap: 16px;
    padding: 16px 20px;
    background: var(--mmlms-bg, #f8fafc);
    border: 2px solid var(--mmlms-border, #e2e8f0);
    border-radius: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
}

.mmlms-option:hover {
    border-color: var(--mmlms-primary, #1c2fff);
    background: rgba(28, 47, 255, 0.05);
    transform: translateY(-1px);
}

.mmlms-option input[type="radio"],
.mmlms-option input[type="checkbox"] {
    width: 20px;
    height: 20px;
    accent-color: var(--mmlms-primary, #4f46e5);
    cursor: pointer;
}

.mmlms-option-letter {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: var(--mmlms-card-bg, #fff);
    border: 2px solid var(--mmlms-border, #e2e8f0);
    border-radius: 50%;
    font-weight: 700;
    color: var(--mmlms-text-muted, #64748b);
    transition: all 0.3s ease;
}

.mmlms-option:hover .mmlms-option-letter {
    border-color: var(--mmlms-primary, #1c2fff);
    color: var(--mmlms-primary, #1c2fff);
}

.mmlms-option.selected {
    border-color: var(--mmlms-primary, #1c2fff);
    background: rgba(28, 47, 255, 0.1);
}

.mmlms-option.selected .mmlms-option-letter {
    background: var(--mmlms-primary, #1c2fff);
    color: white;
    border-color: var(--mmlms-primary, #1c2fff);
}

.mmlms-option.correct {
    border-color: var(--mmlms-success, #10b981);
    background: rgba(16, 185, 129, 0.1);
}

.mmlms-option.correct .mmlms-option-letter {
    background: var(--mmlms-success, #10b981);
    color: white;
    border-color: var(--mmlms-success, #10b981);
}

.mmlms-option.incorrect {
    border-color: var(--mmlms-danger, #ef4444);
    background: rgba(239, 68, 68, 0.1);
}

.mmlms-option.incorrect .mmlms-option-letter {
    background: var(--mmlms-danger, #ef4444);
    color: white;
    border-color: var(--mmlms-danger, #ef4444);
}

.mmlms-option-text {
    flex: 1;
    font-size: 1rem;
    color: var(--mmlms-text, #1e293b);
}

.mmlms-numerical-input,
.mmlms-matrix-input,
.mmlms-subjective-input,
.mmlms-sub-question {
    background: var(--mmlms-bg, #f8fafc);
    border: 1px solid var(--mmlms-border, #e2e8f0);
    border-radius: 12px;
    padding: 14px 16px;
}

.mmlms-numerical-input input,
.mmlms-matrix-input input,
.mmlms-sub-question input,
.mmlms-subjective-input textarea {
    width: 100%;
    margin-top: 8px;
    border: 1px solid var(--mmlms-border, #cbd5e1);
    border-radius: 8px;
    padding: 10px 12px;
}

/* ========================================
   NAVIGATION
   ======================================== */
.mmlms-question-navigation {
    display: flex;
    justify-content: space-between;
    gap: 12px;
    margin-top: 24px;
    flex-wrap: wrap;
}

.mmlms-question-navigation .mmlms-btn {
    flex: 1;
    min-width: 120px;
}

/* ========================================
   FEEDBACK
   ======================================== */
.mmlms-feedback {
    margin-top: 24px;
    padding: 20px;
    border-radius: 12px;
    animation: slideUp 0.3s ease-out;
}

.mmlms-feedback.correct {
    background: rgba(16, 185, 129, 0.1);
    border: 1px solid var(--mmlms-success, #10b981);
}

.mmlms-feedback.incorrect {
    background: rgba(239, 68, 68, 0.1);
    border: 1px solid var(--mmlms-danger, #ef4444);
}

.mmlms-feedback .solution {
    margin-top: 12px;
    padding-top: 12px;
    border-top: 1px dashed var(--mmlms-border, #cbd5e1);
}

@keyframes slideUp {
    from {
        opacity: 0;
        transform: translateY(10px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

/* ========================================
   RESULTS
   ======================================== */
.mmlms-results-card {
    text-align: center;
    padding: 40px;
}

.mmlms-results-header {
    margin-bottom: 30px;
}

.mmlms-results-icon {
    font-size: 4rem;
    margin-bottom: 16px;
}

.mmlms-results-header h2 {
    margin: 0 0 8px;
    font-size: 1.75rem;
}

.mmlms-results-header p {
    color: var(--mmlms-text-muted, #64748b);
    margin: 0;
}

.mmlms-score-circle {
    width: 180px;
    height: 180px;
    border-radius: 50%;
    background: linear-gradient(135deg, #1c2fff 0%, #6a7dff 100%);
    color: white;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    margin: 0 auto 30px;
    box-shadow: 0 10px 40px rgba(28, 47, 255, 0.25);
}

@media (max-width: 480px) {
    .mmlms-score-circle {
        width: 140px;
        height: 140px;
    }
}

.mmlms-score-circle.success {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    box-shadow: 0 10px 40px rgba(16, 185, 129, 0.3);
}

.mmlms-score-circle.warning {
    background: linear-gradient(135deg, #f59e0b 0%, #d97706 100%);
    box-shadow: 0 10px 40px rgba(245, 158, 11, 0.3);
}

.mmlms-score-circle.danger {
    background: linear-gradient(135deg, #ef4444 0%, #dc2626 100%);
    box-shadow: 0 10px 40px rgba(239, 68, 68, 0.3);
}

.mmlms-score-value {
    font-size: 3rem;
    font-weight: 700;
    line-height: 1;
}

.mmlms-score-label {
    font-size: 1rem;
    opacity: 0.9;
    margin-top: 4px;
}

.mmlms-performance-message {
    padding: 16px 24px;
    border-radius: 12px;
    margin: 24px 0;
    font-weight: 500;
}

.mmlms-performance-message.success {
    background: rgba(16, 185, 129, 0.1);
    color: #065f46;
}

.mmlms-performance-message.warning {
    background: rgba(245, 158, 11, 0.1);
    color: #92400e;
}

.mmlms-performance-message.danger {
    background: rgba(239, 68, 68, 0.1);
    color: #991b1b;
}

.mmlms-results-actions {
    display: flex;
    gap: 12px;
    justify-content: center;
    flex-wrap: wrap;
}

/* ========================================
   CONFIG FORM
   ======================================== */
.mmlms-practice-config {
    max-width: 600px;
    margin: 0 auto;
}

.mmlms-config-header {
    text-align: center;
    margin-bottom: 30px;
}

.mmlms-config-icon {
    font-size: 3.5rem;
    margin-bottom: 16px;
}

.mmlms-config-header h2 {
    margin: 0 0 8px;
    font-size: 1.5rem;
}

.mmlms-config-header p {
    color: var(--mmlms-text-muted, #64748b);
    margin: 0;
}

/* ========================================
   PRACTICE DASHBOARD
   ======================================== */
.mmlms-practice-dashboard {
    max-width: 1000px;
    margin: 0 auto;
    padding: 20px;
}

/* Dashboard Header */
.mmlms-student-header {
    text-align: center;
    margin-bottom: 30px;
    padding: 30px 20px;
    background: linear-gradient(135deg, #1c2fff 0%, #6a7dff 100%);
    color: white;
    border-radius: 12px;
    box-shadow: 0 8px 24px rgba(28, 47, 255, 0.2);
}

@media (max-width: 768px) {
    .mmlms-student-header {
        padding: 24px 16px;
    }
    
    .mmlms-student-header h1 {
        font-size: 1.4rem;
    }
}

@media (max-width: 480px) {
    .mmlms-practice-dashboard {
        padding: 12px;
    }
    
    .mmlms-session-card {
        flex-direction: column;
        text-align: center;
        gap: 16px;
    }
    
    .mmlms-session-meta {
        justify-content: center;
    }
}

.mmlms-student-header h1 {
    margin: 0 0 10px;
    font-size: 1.75rem;
    font-weight: 700;
}

.mmlms-student-header p {
    margin: 0;
    opacity: 0.9;
    font-size: 1rem;
}

/* Session List */
.mmlms-session-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}

.mmlms-session-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px;
    background: var(--mmlms-card-bg, #fff);
    border: 1px solid var(--mmlms-border, #e2e8f0);
    border-radius: 12px;
    transition: all 0.2s ease;
}

.mmlms-session-card:hover {
    box-shadow: var(--mmlms-shadow, 0 4px 6px -1px rgba(0, 0, 0, 0.1));
    transform: translateY(-2px);
}

.mmlms-session-card.completed {
    border-left: 4px solid var(--mmlms-success, #22c55e);
}

.mmlms-session-card.in-progress {
    border-left: 4px solid #1c2fff;
}

.mmlms-session-info h3 {
    margin: 0 0 8px;
    font-size: 1.1rem;
    color: var(--mmlms-text, #1e293b);
}

.mmlms-session-meta {
    display: flex;
    gap: 16px;
    font-size: 0.875rem;
    color: var(--mmlms-text-muted, #64748b);
    flex-wrap: wrap;
}

.mmlms-session-meta span {
    display: flex;
    align-items: center;
    gap: 4px;
}

/* Badge */
.mmlms-badge {
    display: inline-block;
    padding: 6px 12px;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.mmlms-badge-success {
    background: #d7f0dd;
    color: #0f5132;
}

/* Card Title */
.mmlms-card-title {
    margin: 0 0 20px;
    font-size: 1.25rem;
    font-weight: 600;
    color: var(--mmlms-text, #1e293b);
    padding-bottom: 12px;
    border-bottom: 1px solid var(--mmlms-border, #e2e8f0);
}

/* Empty State */
.mmlms-empty-state {
    text-align: center;
    padding: 40px 20px;
}

.mmlms-empty-icon {
    font-size: 3rem;
    margin-bottom: 16px;
    color: var(--mmlms-text-muted, #64748b);
}

.mmlms-empty-title {
    margin: 0 0 8px;
    font-size: 1.25rem;
    color: var(--mmlms-text, #1e293b);
}

.mmlms-empty-text {
    margin: 0 0 20px;
    color: var(--mmlms-text-muted, #64748b);
}

/* ========================================
   ANIMATIONS
   ======================================== */
@keyframes pulse {
    0%, 100% {
        opacity: 1;
        transform: scale(1);
    }
    50% {
        opacity: 0.8;
        transform: scale(1.02);
    }
}

/* ========================================
   RESPONSIVE
   ======================================== */
@media (max-width: 768px) {
    .mmlms-practice-header {
        flex-direction: column;
        text-align: center;
    }
    
    .mmlms-practice-info h2 {
        font-size: 1.1rem;
    }
    
    .mmlms-session-timer {
        font-size: 1.1rem;
        padding: 10px 16px;
    }
    
    .mmlms-progress-marker {
        width: 28px;
        height: 28px;
        font-size: 0.75rem;
    }
    
    .mmlms-question-text {
        font-size: 1rem;
    }
    
    .mmlms-option {
        padding: 12px 16px;
    }
    
    .mmlms-option-letter {
        width: 32px;
        height: 32px;
        font-size: 0.875rem;
    }
    
    .mmlms-question-navigation {
        flex-direction: column;
    }
    
    .mmlms-question-navigation .mmlms-btn {
        width: 100%;
    }
    
    .mmlms-score-circle {
        width: 150px;
        height: 150px;
    }
    
    .mmlms-score-value {
        font-size: 2.5rem;
    }
    
    .mmlms-results-actions {
        flex-direction: column;
    }
    
    .mmlms-results-actions .mmlms-btn {
        width: 100%;
    }
}

@media (max-width: 768px) {
    .mmlms-session-card {
        flex-direction: column;
        align-items: flex-start;
        gap: 16px;
    }
    
    .mmlms-session-meta {
        flex-direction: column;
        gap: 4px;
    }
    
    .mmlms-student-header h1 {
        font-size: 1.5rem;
    }
}

@media (max-width: 480px) {
    .mmlms-practice-container {
        padding: 10px;
    }
    
    .mmlms-practice-header {
        padding: 16px;
    }
    
    .mmlms-progress-markers {
        gap: 4px;
    }
    
    .mmlms-progress-marker {
        width: 24px;
        height: 24px;
        font-size: 0.7rem;
    }
    
    .mmlms-option {
        padding: 10px 12px;
    }
    
    .mmlms-option-letter {
        width: 28px;
        height: 28px;
    }
    
    .mmlms-practice-dashboard {
        padding: 10px;
    }
    
    .mmlms-student-header {
        padding: 20px 16px;
    }
    
    .mmlms-student-header h1 {
        font-size: 1.25rem;
    }
}

/* ========================================
   ICONS (Replacing Emojis)
   ======================================== */
.mmlms-icon {
    display: inline-block;
    width: 1em;
    height: 1em;
    vertical-align: middle;
    background-size: contain;
    background-repeat: no-repeat;
    background-position: center;
}

/* Lock icon */
.mmlms-icon-lock::before {
    content: "";
    display: inline-block;
    width: 1.2em;
    height: 1.2em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='11' width='18' height='11' rx='2' ry='2'/%3E%3Cpath d='M7 11V7a5 5 0 0 1 10 0v4'/%3E%3C/svg%3E");
}

/* Page/Document icon */
.mmlms-icon-page::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cline x1='16' y1='13' x2='8' y2='13'/%3E%3Cline x1='16' y1='17' x2='8' y2='17'/%3E%3Cpolyline points='10 9 9 9 8 9'/%3E%3C/svg%3E");
}

/* Clock icon */
.mmlms-icon-clock::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='10'/%3E%3Cpolyline points='12 6 12 12 16 14'/%3E%3C/svg%3E");
}

/* Pause icon */
.mmlms-icon-pause::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='6' y='4' width='4' height='16'/%3E%3Crect x='14' y='4' width='4' height='16'/%3E%3C/svg%3E");
}

/* Stop/End icon */
.mmlms-icon-stop::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Crect x='3' y='3' width='18' height='18' rx='2' ry='2'/%3E%3C/svg%3E");
}

/* Previous icon */
.mmlms-icon-prev::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='19 20 9 12 19 4 19 20'/%3E%3Cline x1='5' y1='19' x2='5' y2='5'/%3E%3C/svg%3E");
}

/* Skip icon */
.mmlms-icon-skip::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='5 4 15 12 5 20 5 4'/%3E%3Cline x1='19' y1='5' x2='19' y2='19'/%3E%3C/svg%3E");
}

/* Check icon */
.mmlms-icon-check::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='20 6 9 17 4 12'/%3E%3C/svg%3E");
}

/* Next icon */
.mmlms-icon-next::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='5 4 15 12 5 20 5 4'/%3E%3Cline x1='19' y1='5' x2='19' y2='19'/%3E%3C/svg%3E");
}

/* Document icon */
.mmlms-icon-document::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M14 2H6a2 2 0 0 0-2 2v16a2 2 0 0 0 2 2h12a2 2 0 0 0 2-2V8z'/%3E%3Cpolyline points='14 2 14 8 20 8'/%3E%3Cline x1='16' y1='13' x2='8' y2='13'/%3E%3Cline x1='16' y1='17' x2='8' y2='17'/%3E%3Cpolyline points='10 9 9 9 8 9'/%3E%3C/svg%3E");
}

/* Trophy icon */
.mmlms-icon-trophy::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9H4.5a2.5 2.5 0 0 1 0-5H6'/%3E%3Cpath d='M18 9h1.5a2.5 2.5 0 0 0 0-5H18'/%3E%3Cpath d='M4 22h16'/%3E%3Cpath d='M10 14.66V17c0 .55-.47.98-.97 1.21C7.85 18.75 7 20.24 7 22'/%3E%3Cpath d='M14 14.66V17c0 .55.47.98.97 1.21C16.15 18.75 17 20.24 17 22'/%3E%3Cpath d='M18 2H6v7a6 6 0 0 0 12 0V2z'/%3E%3C/svg%3E");
}

/* Cross/X icon */
.mmlms-icon-cross::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='18' y1='6' x2='6' y2='18'/%3E%3Cline x1='6' y1='6' x2='18' y2='18'/%3E%3C/svg%3E");
}

/* Chart icon */
.mmlms-icon-chart::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='18' y1='20' x2='18' y2='10'/%3E%3Cline x1='12' y1='20' x2='12' y2='4'/%3E%3Cline x1='6' y1='20' x2='6' y2='14'/%3E%3C/svg%3E");
}

/* Refresh icon */
.mmlms-icon-refresh::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='23 4 23 10 17 10'/%3E%3Cpolyline points='1 20 1 14 7 14'/%3E%3Cpath d='M3.51 9a9 9 0 0 1 14.85-3.36L23 10M1 14l4.64 4.36A9 9 0 0 0 20.49 15'/%3E%3C/svg%3E");
}

/* Rocket icon */
.mmlms-icon-rocket::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4.5 16.5c-1.5 1.26-2 5-2 5s3.74-.5 5-2c.71-.84.7-2.13-.09-2.91a2.18 2.18 0 0 0-2.91-.09z'/%3E%3Cpath d='M12 15l-3-3a22 22 0 0 1 2-3.95A12.88 12.88 0 0 1 22 2c0 2.72-.78 7.5-6 11a22.35 22.35 0 0 1-4 2z'/%3E%3Cpath d='M9 12H4s.55-3.03 2-4c1.62-1.08 5 0 5 0'/%3E%3Cpath d='M12 15v5s3.03-.55 4-2c1.08-1.62 0-5 0-5'/%3E%3C/svg%3E");
}

/* Gear/Settings icon */
.mmlms-icon-gear::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='12' cy='12' r='3'/%3E%3Cpath d='M19.4 15a1.65 1.65 0 0 0 .33 1.82l.06.06a2 2 0 0 1 0 2.83 2 2 0 0 1-2.83 0l-.06-.06a1.65 1.65 0 0 0-1.82-.33 1.65 1.65 0 0 0-1 1.51V21a2 2 0 0 1-2 2 2 2 0 0 1-2-2v-.09A1.65 1.65 0 0 0 9 19.4a1.65 1.65 0 0 0-1.82.33l-.06.06a2 2 0 0 1-2.83 0 2 2 0 0 1 0-2.83l.06-.06a1.65 1.65 0 0 0 .33-1.82 1.65 1.65 0 0 0-1.51-1H3a2 2 0 0 1-2-2 2 2 0 0 1 2-2h.09A1.65 1.65 0 0 0 4.6 9a1.65 1.65 0 0 0-.33-1.82l-.06-.06a2 2 0 0 1 0-2.83 2 2 0 0 1 2.83 0l.06.06a1.65 1.65 0 0 0 1.82.33H9a1.65 1.65 0 0 0 1-1.51V3a2 2 0 0 1 2-2 2 2 0 0 1 2 2v.09a1.65 1.65 0 0 0 1 1.51 1.65 1.65 0 0 0 1.82-.33l.06-.06a2 2 0 0 1 2.83 0 2 2 0 0 1 0 2.83l-.06.06a1.65 1.65 0 0 0-.33 1.82V9a1.65 1.65 0 0 0 1.51 1H21a2 2 0 0 1 2 2 2 2 0 0 1-2 2h-.09a1.65 1.65 0 0 0-1.51 1z'/%3E%3C/svg%3E");
}

/* Graduation cap icon */
.mmlms-icon-graduation::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 10v6M2 10l10-5 10 5-10 5z'/%3E%3Cpath d='M6 12v5c3 3 9 3 12 0v-5'/%3E%3C/svg%3E");
}

/* Book icon */
.mmlms-icon-book::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M4 19.5A2.5 2.5 0 0 1 6.5 17H20'/%3E%3Cpath d='M6.5 2H20v20H6.5A2.5 2.5 0 0 1 4 19.5v-15A2.5 2.5 0 0 1 6.5 2z'/%3E%3C/svg%3E");
}

/* Folder icon */
.mmlms-icon-folder::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M22 19a2 2 0 0 1-2 2H4a2 2 0 0 1-2-2V5a2 2 0 0 1 2-2h5l2 3h9a2 2 0 0 1 2 2z'/%3E%3C/svg%3E");
}

/* Input/Hash icon */
.mmlms-icon-input::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cline x1='4' y1='9' x2='20' y2='9'/%3E%3Cline x1='4' y1='15' x2='20' y2='15'/%3E%3Cline x1='10' y1='3' x2='8' y2='21'/%3E%3Cline x1='16' y1='3' x2='14' y2='21'/%3E%3C/svg%3E");
}

/* Play icon */
.mmlms-icon-play::before {
    content: "";
    display: inline-block;
    width: 1em;
    height: 1em;
    background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='currentColor' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolygon points='5 3 19 12 5 21 5 3'/%3E%3C/svg%3E");
}