/**
 * ExamForge - Frontend Styles
 * Modern, clean, premium design system
 *
 * @package ExamForge
 * @since 1.0.0
 */

/* ============================================================
   CSS CUSTOM PROPERTIES (Design Tokens)
   ============================================================ */
:root {
    --ef-primary: #4f46e5;
    --ef-primary-hover: #4338ca;
    --ef-primary-light: #eef2ff;
    --ef-secondary: #06b6d4;
    --ef-success: #10b981;
    --ef-success-light: #d1fae5;
    --ef-warning: #f59e0b;
    --ef-warning-light: #fef3c7;
    --ef-danger: #ef4444;
    --ef-danger-light: #fee2e2;
    --ef-text: #1e293b;
    --ef-text-secondary: #64748b;
    --ef-text-muted: #94a3b8;
    --ef-bg: #ffffff;
    --ef-bg-secondary: #f8fafc;
    --ef-bg-tertiary: #f1f5f9;
    --ef-border: #e2e8f0;
    --ef-border-focus: #4f46e5;
    --ef-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --ef-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1), 0 2px 4px -2px rgba(0, 0, 0, 0.1);
    --ef-shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1), 0 4px 6px -4px rgba(0, 0, 0, 0.1);
    --ef-radius: 8px;
    --ef-radius-lg: 12px;
    --ef-radius-xl: 16px;
    --ef-font: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
    --ef-transition: 0.2s ease;
}

/* Dark Mode */
.examforge-dark {
    --ef-primary: #818cf8;
    --ef-primary-hover: #6366f1;
    --ef-primary-light: #1e1b4b;
    --ef-text: #f1f5f9;
    --ef-text-secondary: #94a3b8;
    --ef-text-muted: #64748b;
    --ef-bg: #0f172a;
    --ef-bg-secondary: #1e293b;
    --ef-bg-tertiary: #334155;
    --ef-border: #334155;
    --ef-shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.3);
    --ef-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.4);
}

/* ============================================================
   BASE STYLES
   ============================================================ */
.examforge-exam-container,
.examforge-dashboard,
.examforge-results,
.examforge-exams-grid {
    font-family: var(--ef-font);
    color: var(--ef-text);
    line-height: 1.6;
}

/* ============================================================
   BUTTONS
   ============================================================ */
.examforge-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 10px 20px;
    font-size: 14px;
    font-weight: 600;
    line-height: 1.4;
    border: none;
    border-radius: var(--ef-radius);
    cursor: pointer;
    transition: all var(--ef-transition);
    text-decoration: none;
    white-space: nowrap;
}

.examforge-btn:focus-visible {
    outline: 2px solid var(--ef-border-focus);
    outline-offset: 2px;
}

.examforge-btn-primary {
    background: var(--ef-primary);
    color: #fff;
}

.examforge-btn-primary:hover {
    background: var(--ef-primary-hover);
    transform: translateY(-1px);
    box-shadow: var(--ef-shadow);
}

.examforge-btn-secondary {
    background: var(--ef-bg-tertiary);
    color: var(--ef-text);
    border: 1px solid var(--ef-border);
}

.examforge-btn-secondary:hover {
    background: var(--ef-border);
}

.examforge-btn-success {
    background: var(--ef-success);
    color: #fff;
}

.examforge-btn-success:hover {
    background: #059669;
}

.examforge-btn-lg {
    padding: 14px 28px;
    font-size: 16px;
    border-radius: var(--ef-radius-lg);
}

.examforge-btn-block {
    width: 100%;
}

.examforge-btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* ============================================================
   EXAM CARDS GRID
   ============================================================ */
.examforge-exams-grid {
    display: grid;
    gap: 24px;
    padding: 20px 0;
}

.examforge-cols-2 { grid-template-columns: repeat(2, 1fr); }
.examforge-cols-3 { grid-template-columns: repeat(3, 1fr); }
.examforge-cols-4 { grid-template-columns: repeat(4, 1fr); }

@media (max-width: 768px) {
    .examforge-exams-grid { grid-template-columns: 1fr; }
}

@media (min-width: 769px) and (max-width: 1024px) {
    .examforge-cols-3,
    .examforge-cols-4 { grid-template-columns: repeat(2, 1fr); }
}

.examforge-exam-card {
    background: var(--ef-bg);
    border: 1px solid var(--ef-border);
    border-radius: var(--ef-radius-lg);
    overflow: hidden;
    transition: all var(--ef-transition);
    box-shadow: var(--ef-shadow-sm);
}

.examforge-exam-card:hover {
    transform: translateY(-4px);
    box-shadow: var(--ef-shadow-lg);
    border-color: var(--ef-primary);
}

.examforge-exam-card__image {
    position: relative;
    aspect-ratio: 16/9;
    overflow: hidden;
}

.examforge-exam-card__image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.examforge-exam-card__mode {
    position: absolute;
    top: 12px;
    right: 12px;
    padding: 4px 10px;
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    border-radius: 20px;
    background: var(--ef-primary);
    color: #fff;
}

.examforge-mode-practice { background: var(--ef-success); }
.examforge-mode-mock_test { background: var(--ef-warning); }
.examforge-mode-live { background: var(--ef-danger); }

.examforge-exam-card__content {
    padding: 20px;
}

.examforge-exam-card__title {
    margin: 0 0 8px;
    font-size: 18px;
    font-weight: 700;
}

.examforge-exam-card__title a {
    color: var(--ef-text);
    text-decoration: none;
}

.examforge-exam-card__title a:hover {
    color: var(--ef-primary);
}

.examforge-exam-card__excerpt {
    color: var(--ef-text-secondary);
    font-size: 14px;
    margin: 0 0 16px;
}

.examforge-exam-card__meta {
    display: flex;
    gap: 16px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}

.examforge-meta-item {
    display: inline-flex;
    align-items: center;
    gap: 4px;
    font-size: 13px;
    color: var(--ef-text-secondary);
}

.examforge-difficulty-easy { color: var(--ef-success); }
.examforge-difficulty-medium { color: var(--ef-warning); }
.examforge-difficulty-hard { color: var(--ef-danger); }

/* ============================================================
   EXAM TAKING INTERFACE
   ============================================================ */
.examforge-exam-screen {
    max-width: 1200px;
    margin: 0 auto;
}

.examforge-exam-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 16px 24px;
    background: var(--ef-bg);
    border-bottom: 1px solid var(--ef-border);
    border-radius: var(--ef-radius-lg) var(--ef-radius-lg) 0 0;
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: var(--ef-shadow-sm);
}

.examforge-exam-header__title h3 {
    margin: 0;
    font-size: 16px;
    font-weight: 600;
}

.examforge-timer {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 16px;
    background: var(--ef-bg-tertiary);
    border-radius: 20px;
    font-weight: 700;
    font-size: 18px;
    font-variant-numeric: tabular-nums;
}

.examforge-timer--warning {
    background: var(--ef-danger-light);
    color: var(--ef-danger);
    animation: pulse 1s infinite;
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.7; }
}

.examforge-exam-body {
    display: grid;
    grid-template-columns: 1fr 280px;
    gap: 24px;
    padding: 24px;
}

@media (max-width: 768px) {
    .examforge-exam-body {
        grid-template-columns: 1fr;
    }
}

/* Question Panel */
.examforge-question-panel {
    background: var(--ef-bg);
    border: 1px solid var(--ef-border);
    border-radius: var(--ef-radius-lg);
    padding: 32px;
}

.examforge-question-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 24px;
    padding-bottom: 16px;
    border-bottom: 1px solid var(--ef-border);
}

.examforge-question-number {
    font-size: 14px;
    font-weight: 600;
    color: var(--ef-text-secondary);
}

.examforge-question-points {
    font-size: 13px;
    color: var(--ef-primary);
    font-weight: 600;
}

.examforge-flag-btn {
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    padding: 4px 8px;
    border-radius: 4px;
    transition: all var(--ef-transition);
}

.examforge-flag-btn:hover,
.examforge-flag-btn.flagged {
    background: var(--ef-warning-light);
}

.examforge-question-text {
    font-size: 16px;
    line-height: 1.7;
    margin-bottom: 24px;
}

/* Options */
.examforge-options {
    display: flex;
    flex-direction: column;
    gap: 12px;
    margin-bottom: 32px;
}

.examforge-option {
    display: flex;
    align-items: flex-start;
    gap: 12px;
    padding: 14px 18px;
    border: 2px solid var(--ef-border);
    border-radius: var(--ef-radius);
    cursor: pointer;
    transition: all var(--ef-transition);
}

.examforge-option:hover {
    border-color: var(--ef-primary);
    background: var(--ef-primary-light);
}

.examforge-option.selected {
    border-color: var(--ef-primary);
    background: var(--ef-primary-light);
    box-shadow: 0 0 0 1px var(--ef-primary);
}

.examforge-option input {
    margin-top: 2px;
    accent-color: var(--ef-primary);
}

.examforge-option__text {
    font-size: 15px;
    line-height: 1.5;
}

/* Text inputs */
.examforge-input,
.examforge-textarea {
    width: 100%;
    padding: 12px 16px;
    border: 2px solid var(--ef-border);
    border-radius: var(--ef-radius);
    font-size: 15px;
    font-family: var(--ef-font);
    transition: border-color var(--ef-transition);
    background: var(--ef-bg);
    color: var(--ef-text);
}

.examforge-input:focus,
.examforge-textarea:focus {
    outline: none;
    border-color: var(--ef-primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

.examforge-textarea {
    resize: vertical;
    min-height: 150px;
}

/* Navigation */
.examforge-question-nav {
    display: flex;
    justify-content: space-between;
    padding-top: 24px;
    border-top: 1px solid var(--ef-border);
}

/* Question Navigator Sidebar */
.examforge-question-navigator {
    background: var(--ef-bg);
    border: 1px solid var(--ef-border);
    border-radius: var(--ef-radius-lg);
    padding: 20px;
    position: sticky;
    top: 80px;
    max-height: calc(100vh - 120px);
    overflow-y: auto;
}

.examforge-question-navigator h4 {
    margin: 0 0 16px;
    font-size: 14px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 0.5px;
    color: var(--ef-text-secondary);
}

.examforge-navigator-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 8px;
    margin-bottom: 16px;
}

.examforge-nav-item {
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px solid var(--ef-border);
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    cursor: pointer;
    transition: all var(--ef-transition);
    background: var(--ef-bg);
    color: var(--ef-text);
}

.examforge-nav-item:hover { border-color: var(--ef-primary); }
.examforge-nav-item.active { background: var(--ef-primary); color: #fff; border-color: var(--ef-primary); }
.examforge-nav-item.answered { background: var(--ef-success-light); border-color: var(--ef-success); color: var(--ef-success); }
.examforge-nav-item.flagged { background: var(--ef-warning-light); border-color: var(--ef-warning); }

.examforge-navigator-legend {
    display: flex;
    flex-direction: column;
    gap: 6px;
    font-size: 12px;
    color: var(--ef-text-secondary);
    margin-bottom: 16px;
    padding-top: 12px;
    border-top: 1px solid var(--ef-border);
}

.examforge-navigator-summary {
    font-size: 13px;
    color: var(--ef-text-secondary);
    margin-bottom: 16px;
}

.examforge-navigator-summary p { margin: 4px 0; }

/* ============================================================
   RESULT SCREEN
   ============================================================ */
.examforge-result-screen {
    text-align: center;
    padding: 60px 40px;
    background: var(--ef-bg);
    border-radius: var(--ef-radius-xl);
    border: 1px solid var(--ef-border);
    max-width: 600px;
    margin: 40px auto;
}

.examforge-result-icon {
    font-size: 64px;
    margin-bottom: 16px;
}

.examforge-result-screen h2 {
    font-size: 28px;
    margin-bottom: 32px;
}

.examforge-result-screen.passed h2 { color: var(--ef-success); }
.examforge-result-screen.failed h2 { color: var(--ef-text); }

.examforge-score-circle {
    display: inline-flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    width: 140px;
    height: 140px;
    border-radius: 50%;
    border: 6px solid var(--ef-primary);
    margin-bottom: 32px;
}

.examforge-score-circle .score-value {
    font-size: 36px;
    font-weight: 800;
    color: var(--ef-primary);
}

.examforge-score-circle .score-label {
    font-size: 14px;
    color: var(--ef-text-secondary);
    font-weight: 600;
}

.examforge-result-stats {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.examforge-result-stats .stat {
    display: flex;
    flex-direction: column;
    align-items: center;
}

.examforge-result-stats .stat-value {
    font-size: 24px;
    font-weight: 700;
    color: var(--ef-text);
}

.examforge-result-stats .stat-label {
    font-size: 12px;
    color: var(--ef-text-secondary);
    text-transform: uppercase;
}

/* ============================================================
   INSTRUCTIONS SCREEN
   ============================================================ */
.examforge-instructions {
    max-width: 700px;
    margin: 40px auto;
    padding: 40px;
    background: var(--ef-bg);
    border: 1px solid var(--ef-border);
    border-radius: var(--ef-radius-xl);
    text-align: center;
}

.examforge-instructions h2 {
    font-size: 28px;
    margin-bottom: 24px;
}

.examforge-instructions__meta {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.examforge-meta-card {
    display: flex;
    flex-direction: column;
    padding: 16px;
    background: var(--ef-bg-secondary);
    border-radius: var(--ef-radius);
    border: 1px solid var(--ef-border);
}

.examforge-meta-card .label {
    font-size: 12px;
    color: var(--ef-text-secondary);
    text-transform: uppercase;
    font-weight: 600;
}

.examforge-meta-card .value {
    font-size: 20px;
    font-weight: 700;
    color: var(--ef-text);
}

.examforge-instructions__rules {
    text-align: left;
    margin-bottom: 32px;
}

.examforge-instructions__rules h3 {
    font-size: 16px;
    margin-bottom: 12px;
}

.examforge-instructions__rules ul {
    list-style: none;
    padding: 0;
}

.examforge-instructions__rules li {
    padding: 8px 0 8px 24px;
    position: relative;
    font-size: 14px;
    color: var(--ef-text-secondary);
}

.examforge-instructions__rules li::before {
    content: '✓';
    position: absolute;
    left: 0;
    color: var(--ef-success);
    font-weight: bold;
}

.examforge-instructions__rules li.warning::before {
    content: '⚠';
    color: var(--ef-warning);
}

/* ============================================================
   LOADING & ERRORS
   ============================================================ */
.examforge-loading {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    padding: 60px;
    gap: 16px;
}

.examforge-spinner {
    width: 40px;
    height: 40px;
    border: 4px solid var(--ef-border);
    border-top-color: var(--ef-primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

.examforge-error-screen {
    text-align: center;
    padding: 40px;
    color: var(--ef-danger);
}

/* ============================================================
   LOGIN REQUIRED
   ============================================================ */
.examforge-login-required {
    text-align: center;
    padding: 60px 40px;
    background: var(--ef-bg-secondary);
    border-radius: var(--ef-radius-xl);
    border: 1px solid var(--ef-border);
}

/* ============================================================
   STUDENT DASHBOARD
   ============================================================ */
.examforge-student-dashboard {
    max-width: 900px;
    margin: 0 auto;
}

.examforge-level-bar {
    background: linear-gradient(135deg, var(--ef-primary), var(--ef-secondary));
    color: #fff;
    padding: 20px 24px;
    border-radius: var(--ef-radius-lg);
    margin-bottom: 24px;
}

.examforge-level-info {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.level-badge {
    background: rgba(255,255,255,0.2);
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}

.examforge-progress-bar {
    height: 8px;
    background: rgba(255,255,255,0.2);
    border-radius: 4px;
    overflow: hidden;
}

.examforge-progress-fill {
    height: 100%;
    background: #fff;
    border-radius: 4px;
    transition: width 0.5s ease;
}

.examforge-stats-row {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 16px;
    margin-bottom: 32px;
}

.examforge-stat {
    text-align: center;
    padding: 20px;
    background: var(--ef-bg);
    border: 1px solid var(--ef-border);
    border-radius: var(--ef-radius);
}

.examforge-stat strong {
    display: block;
    font-size: 24px;
    color: var(--ef-primary);
}

.examforge-stat span {
    font-size: 12px;
    color: var(--ef-text-secondary);
}

.examforge-section {
    margin-bottom: 32px;
}

.examforge-section h3 {
    font-size: 18px;
    margin-bottom: 16px;
}

/* ============================================================
   PROCTORING WARNING
   ============================================================ */
.examforge-proctoring-warning {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--ef-danger);
    color: #fff;
    padding: 14px 20px;
    border-radius: var(--ef-radius);
    font-size: 14px;
    font-weight: 600;
    z-index: 99999;
    box-shadow: var(--ef-shadow-lg);
    animation: slideIn 0.3s ease;
}

.examforge-proctoring-warning.fade-out {
    opacity: 0;
    transform: translateX(20px);
    transition: all 0.5s ease;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(20px); }
    to { opacity: 1; transform: translateX(0); }
}

/* ============================================================
   RTL SUPPORT
   ============================================================ */
[dir="rtl"] .examforge-option {
    flex-direction: row-reverse;
}

[dir="rtl"] .examforge-question-nav {
    flex-direction: row-reverse;
}

[dir="rtl"] .examforge-instructions__rules li {
    padding-left: 0;
    padding-right: 24px;
}

[dir="rtl"] .examforge-instructions__rules li::before {
    left: auto;
    right: 0;
}

/* ============================================================
   ACCESSIBILITY
   ============================================================ */
@media (prefers-reduced-motion: reduce) {
    * {
        animation-duration: 0.01ms !important;
        transition-duration: 0.01ms !important;
    }
}

.screen-reader-text {
    position: absolute;
    width: 1px;
    height: 1px;
    padding: 0;
    margin: -1px;
    overflow: hidden;
    clip: rect(0, 0, 0, 0);
    white-space: nowrap;
    border: 0;
}

/* High contrast mode */
@media (forced-colors: active) {
    .examforge-option.selected {
        border: 3px solid LinkText;
    }
    .examforge-btn-primary {
        border: 2px solid ButtonText;
    }
}

/* ============================================================
   RESPONSIVE
   ============================================================ */
@media (max-width: 480px) {
    .examforge-instructions__meta {
        grid-template-columns: 1fr;
    }

    .examforge-result-stats {
        grid-template-columns: repeat(2, 1fr);
    }

    .examforge-stats-row {
        grid-template-columns: repeat(2, 1fr);
    }

    .examforge-exam-header {
        flex-wrap: wrap;
        gap: 8px;
    }
}

/* ============================================================
   STUDENT PORTAL
   ============================================================ */
.examforge-student-portal {
    max-width: 960px;
    margin: 0 auto;
}

.examforge-portal-nav {
    display: flex;
    gap: 0;
    border-bottom: 2px solid var(--ef-border);
    margin-bottom: 24px;
    overflow-x: auto;
}

.examforge-portal-nav__item {
    padding: 12px 18px;
    border: none;
    background: none;
    cursor: pointer;
    font-size: 14px;
    font-weight: 500;
    color: var(--ef-text-secondary);
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    white-space: nowrap;
    transition: all var(--ef-transition);
}

.examforge-portal-nav__item:hover {
    color: var(--ef-primary);
}

.examforge-portal-nav__item.active {
    color: var(--ef-primary);
    border-bottom-color: var(--ef-primary);
    font-weight: 600;
}

.examforge-portal-content {
    min-height: 300px;
}

/* Quick Actions */
.examforge-quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 12px;
}

.examforge-action-card {
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 8px;
    padding: 20px 16px;
    background: var(--ef-bg);
    border: 1px solid var(--ef-border);
    border-radius: var(--ef-radius);
    text-decoration: none;
    color: var(--ef-text);
    transition: all var(--ef-transition);
}

.examforge-action-card:hover {
    border-color: var(--ef-primary);
    transform: translateY(-2px);
    box-shadow: var(--ef-shadow);
}

.examforge-action-card__icon { font-size: 28px; }
.examforge-action-card__label { font-size: 13px; font-weight: 600; }

/* Recent items */
.examforge-recent-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.examforge-recent-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 16px;
    background: var(--ef-bg);
    border: 1px solid var(--ef-border);
    border-radius: var(--ef-radius);
}

.examforge-recent-item__info strong { display: block; font-size: 14px; }
.examforge-recent-item__info span { font-size: 12px; color: var(--ef-text-muted); }

.score-pill {
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 700;
}
.score-pill.passed { background: var(--ef-success-light); color: #065f46; }
.score-pill.failed { background: var(--ef-danger-light); color: #991b1b; }
.score-pill.in-progress { background: #dbeafe; color: #1e40af; }

/* Exam cards */
.examforge-exam-cards {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
    gap: 16px;
}

.examforge-enrolled-card {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background: var(--ef-bg);
    border: 1px solid var(--ef-border);
    border-radius: var(--ef-radius-lg);
    gap: 12px;
}

.examforge-enrolled-card__body h4 { margin: 0 0 6px; font-size: 15px; }
.examforge-enrolled-card__meta { display: flex; gap: 12px; font-size: 12px; color: var(--ef-text-secondary); }
.examforge-mode-tag { background: var(--ef-primary-light); color: var(--ef-primary); padding: 2px 8px; border-radius: 4px; font-weight: 600; text-transform: capitalize; }

/* Materials grid */
.examforge-materials-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(220px, 1fr));
    gap: 16px;
}

.examforge-material-card {
    display: block;
    padding: 20px;
    background: var(--ef-bg);
    border: 1px solid var(--ef-border);
    border-radius: var(--ef-radius-lg);
    text-decoration: none;
    color: var(--ef-text);
    transition: all var(--ef-transition);
}

.examforge-material-card:hover {
    border-color: var(--ef-primary);
    transform: translateY(-2px);
    box-shadow: var(--ef-shadow);
}

.examforge-material-card__icon { font-size: 32px; display: block; margin-bottom: 8px; }
.examforge-material-card h4 { margin: 0 0 6px; font-size: 15px; }
.examforge-material-card p { margin: 0; font-size: 13px; color: var(--ef-text-secondary); }

/* Achievements */
.examforge-achievement-header {
    display: flex;
    align-items: center;
    gap: 24px;
    padding: 24px;
    background: linear-gradient(135deg, var(--ef-primary), #06b6d4);
    border-radius: var(--ef-radius-xl);
    color: #fff;
}

.examforge-level-circle {
    width: 80px;
    height: 80px;
    border-radius: 50%;
    background: rgba(255,255,255,0.2);
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.examforge-level-circle__number { font-size: 28px; font-weight: 800; line-height: 1; }
.examforge-level-circle__label { font-size: 11px; opacity: 0.9; }
.examforge-level-details { flex: 1; }
.examforge-level-details p { margin: 4px 0; font-size: 14px; opacity: 0.9; }

.examforge-badges-showcase {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 12px;
}

.examforge-badge-card {
    padding: 16px;
    border-radius: var(--ef-radius);
    border: 1px solid var(--ef-border);
    text-align: center;
    transition: all var(--ef-transition);
}

.examforge-badge-card.earned {
    background: var(--ef-success-light);
    border-color: var(--ef-success);
}

.examforge-badge-card.locked {
    background: var(--ef-bg-tertiary);
    opacity: 0.7;
}

.examforge-badge-card__icon { font-size: 28px; display: block; margin-bottom: 6px; }
.examforge-badge-card strong { display: block; font-size: 13px; margin-bottom: 4px; }
.examforge-badge-card p { margin: 0; font-size: 12px; color: var(--ef-text-secondary); }
.examforge-badge-card__earned { display: block; margin-top: 6px; font-size: 11px; color: var(--ef-success); font-weight: 700; }

/* Review */
.examforge-review-summary {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 12px;
    padding: 20px;
    background: var(--ef-bg-secondary);
    border-radius: var(--ef-radius-lg);
    text-align: center;
    margin-bottom: 20px;
}

.examforge-review-summary small { color: var(--ef-text-secondary); font-size: 12px; }

.examforge-review-q {
    padding: 16px;
    margin-bottom: 12px;
    border-radius: var(--ef-radius);
    border: 1px solid var(--ef-border);
}

.examforge-review-q.correct { background: #f0fdf4; border-color: #bbf7d0; }
.examforge-review-q.incorrect { background: #fef2f2; border-color: #fecaca; }

.examforge-review-q__header {
    display: flex;
    justify-content: space-between;
    font-size: 13px;
    font-weight: 600;
    margin-bottom: 8px;
}

.examforge-review-q__text { font-size: 15px; margin: 8px 0; }

.examforge-review-q__explanation {
    margin-top: 8px;
    padding: 8px 12px;
    background: rgba(255,255,255,0.7);
    border-radius: 4px;
    font-size: 13px;
    color: var(--ef-text-secondary);
}

/* Result cards */
.examforge-result-card {
    padding: 16px 20px;
    background: var(--ef-bg);
    border: 1px solid var(--ef-border);
    border-radius: var(--ef-radius-lg);
    margin-bottom: 12px;
}

.examforge-result-card.passed { border-left: 4px solid var(--ef-success); }
.examforge-result-card.failed { border-left: 4px solid var(--ef-danger); }

.examforge-result-card__header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.examforge-result-card__header h4 { margin: 0; font-size: 15px; }

.examforge-result-card__body {
    display: flex;
    align-items: center;
    gap: 20px;
    flex-wrap: wrap;
}

.examforge-result-card__score .score-value { font-size: 22px; font-weight: 800; color: var(--ef-primary); }
.examforge-result-card__score .score-label { display: block; font-size: 12px; color: var(--ef-text-secondary); }

.examforge-result-card__details { display: flex; gap: 12px; font-size: 13px; color: var(--ef-text-secondary); }

.examforge-result-card__actions { margin-left: auto; display: flex; align-items: center; gap: 10px; }

.status-pill { padding: 4px 10px; border-radius: 20px; font-size: 11px; font-weight: 700; }
.status-pill.status-passed { background: #d1fae5; color: #065f46; }
.status-pill.status-failed { background: #fee2e2; color: #991b1b; }

.examforge-btn-sm { padding: 6px 14px; font-size: 12px; }

@media (max-width: 600px) {
    .examforge-portal-nav { flex-wrap: nowrap; }
    .examforge-portal-nav__item { padding: 10px 12px; font-size: 12px; }
    .examforge-review-summary { grid-template-columns: repeat(2, 1fr); }
    .examforge-result-card__body { flex-direction: column; align-items: flex-start; }
    .examforge-result-card__actions { margin-left: 0; }
}