/* Student Pages - Consolidated Styles */

/* Student Navigation Menu */
.student-nav-menu {
    background: white;
    border-radius: 15px;
    padding: 1rem;
    margin-bottom: 2rem;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.nav-menu-container {
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
    justify-content: center;
}

.nav-menu-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    text-decoration: none;
    color: var(--text-secondary);
    padding: 1rem 1.5rem;
    border-radius: 12px;
    transition: all 0.3s ease;
    min-width: 120px;
    text-align: center;
    border: 2px solid transparent;
}

.nav-menu-item:hover {
    color: var(--primary-color);
    background: #f0f9ff;
    border-color: var(--primary-color);
    transform: translateY(-2px);
    text-decoration: none;
}

.nav-menu-item.active {
    color: white;
    background: var(--primary-color);
    border-color: var(--primary-color);
    box-shadow: var(--shadow-md);
}

.nav-menu-item i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
}

.nav-menu-item span {
    font-size: 0.9rem;
    font-weight: 500;
}

/* Common Layout */
.student-dashboard,
.student-progress,
.student-scores,
.student-exams,
.student-courses,
.student-subscriptions {
    padding: 2rem 0;
    min-height: calc(100vh - 80px);
    background: #f8fafc;
}

/* Header Styles */
.dashboard-header,
.progress-header,
.scores-header,
.exams-header,
.courses-header,
.subscriptions-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    color: white;
    padding: 3rem 0;
    margin-bottom: 2rem;
}

.dashboard-header h1,
.progress-header h1,
.scores-header h1,
.exams-header h1,
.courses-header h1,
.subscriptions-header h1 {
    margin: 0;
    font-size: 2.5rem;
    font-weight: 600;
}

.dashboard-header p,
.progress-header p,
.scores-header p,
.exams-header p,
.courses-header p,
.subscriptions-header p {
    margin: 0.5rem 0 0 0;
    opacity: 0.9;
    font-size: 1.1rem;
}

/* Container */
.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1rem;
}

/* Grid Layouts */
.stats-grid,
.overview-cards,
.overview-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.main-content-grid {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

.progress-charts,
.score-charts {
    display: grid;
    grid-template-columns: 2fr 1fr;
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Card Styles */
.stat-card,
.overview-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.stat-card:hover,
.overview-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.stat-card .stat-icon,
.overview-card .card-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.stat-card .stat-number,
.stat-card .stat-value,
.overview-card .card-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.stat-card .stat-label,
.overview-card .card-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Content Sections */
.content-section,
.chart-section,
.subject-progress,
.achievements-section,
.study-calendar,
.grade-distribution,
.subject-scores,
.recent-scores,
.performance-insights,
.exam-section,
.course-section,
.subscription-section {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.content-section h3,
.chart-section h3,
.subject-progress h3,
.achievements-section h3,
.study-calendar h3,
.grade-distribution h3,
.subject-scores h3,
.recent-scores h3,
.performance-insights h3,
.exam-section h3,
.course-section h3,
.subscription-section h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

/* Course Items */
.course-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.course-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.course-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-right: 1rem;
}

.course-info {
    flex: 1;
}

.course-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.course-progress {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Progress Bars */
.progress-bar {
    width: 100%;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    margin-top: 0.5rem;
}

.progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

/* Subject Items */
.subject-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.subject-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.subject-icon {
    width: 50px;
    height: 50px;
    background: var(--primary-color);
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 1.5rem;
    margin-right: 1rem;
}

.subject-info {
    flex: 1;
}

.subject-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.subject-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.subject-progress-bar {
    width: 200px;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    margin-left: 1rem;
}

.subject-progress-fill {
    height: 100%;
    background: var(--primary-color);
    transition: width 0.3s ease;
}

.subject-percentage {
    font-weight: 600;
    color: var(--primary-color);
    margin-left: 1rem;
    min-width: 50px;
    text-align: right;
}

/* Chart Containers */
.chart-container {
    height: 300px;
    background: #f8fafc;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 2px dashed var(--border-color);
}

.chart-placeholder {
    text-align: center;
    color: var(--text-secondary);
}

.chart-placeholder i {
    font-size: 3rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Achievements */
.achievements-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
}

.achievement-item {
    text-align: center;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.achievement-item:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
}

.achievement-item.earned {
    background: linear-gradient(135deg, #dcfce7 0%, #bbf7d0 100%);
    border-color: #16a34a;
}

.achievement-item.locked {
    background: #f1f5f9;
    opacity: 0.6;
}

.achievement-icon {
    font-size: 2.5rem;
    margin-bottom: 1rem;
}

.achievement-item.earned .achievement-icon {
    color: #16a34a;
}

.achievement-item.locked .achievement-icon {
    color: var(--text-secondary);
}

.achievement-name {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.achievement-description {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Study Calendar */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(7, 1fr);
    gap: 0.5rem;
}

.calendar-day {
    aspect-ratio: 1;
    display: flex;
    align-items: center;
    justify-content: center;
    border: 1px solid var(--border-color);
    border-radius: 5px;
    font-size: 0.9rem;
    font-weight: 500;
    transition: all 0.3s ease;
}

.calendar-day.studied {
    background: var(--primary-color);
    color: white;
    border-color: var(--primary-color);
}

.calendar-day.today {
    background: #f59e0b;
    color: white;
    border-color: #f59e0b;
}

.calendar-day.weekend {
    background: #f8fafc;
    color: var(--text-secondary);
}

.calendar-legend {
    display: flex;
    gap: 2rem;
    margin-top: 1rem;
    justify-content: center;
}

.legend-item {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.legend-color {
    width: 20px;
    height: 20px;
    border-radius: 3px;
}

/* Grade Distribution */
.grade-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.grade-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.grade-label {
    width: 80px;
    text-align: center;
    font-weight: 600;
    font-size: 1.2rem;
    padding: 0.5rem;
    border-radius: 8px;
    margin-right: 1rem;
}

.grade-a { background: #dcfce7; color: #16a34a; }
.grade-b { background: #dbeafe; color: #2563eb; }
.grade-c { background: #fef3c7; color: #d97706; }
.grade-d { background: #fef2f2; color: #dc2626; }
.grade-f { background: #f3f4f6; color: #6b7280; }

.grade-info {
    flex: 1;
}

.grade-count {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.grade-percentage {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.grade-bar {
    width: 200px;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
    margin-left: 1rem;
}

.grade-bar-fill {
    height: 100%;
    transition: width 0.3s ease;
}

.grade-bar-fill.a { background: #16a34a; }
.grade-bar-fill.b { background: #2563eb; }
.grade-bar-fill.c { background: #d97706; }
.grade-bar-fill.d { background: #dc2626; }
.grade-bar-fill.f { background: #6b7280; }

/* Subject Scores */
.subject-score-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.subject-score-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.subject-score {
    font-weight: 600;
    color: var(--primary-color);
    margin-left: 1rem;
    min-width: 80px;
    text-align: right;
}

.score-excellent { color: #16a34a; }
.score-good { color: #2563eb; }
.score-average { color: #d97706; }
.score-below { color: #dc2626; }

/* Score Items */
.score-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.score-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.score-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-size: 1rem;
}

.score-icon.excellent { background: #dcfce7; color: #16a34a; }
.score-icon.good { background: #dbeafe; color: #2563eb; }
.score-icon.average { background: #fef3c7; color: #d97706; }
.score-icon.below { background: #fef2f2; color: #dc2626; }

.score-info {
    flex: 1;
}

.score-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.score-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.score-value {
    font-weight: 600;
    margin-left: 1rem;
    min-width: 80px;
    text-align: right;
}

.score-trend {
    margin-left: 1rem;
    font-size: 0.9rem;
}

.trend-up { color: #16a34a; }
.trend-down { color: #dc2626; }
.trend-stable { color: var(--text-secondary); }

/* Performance Insights */
.insight-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 10px;
    margin-bottom: 1rem;
    border-left: 4px solid var(--primary-color);
}

.insight-icon {
    font-size: 1.5rem;
    color: var(--primary-color);
    margin-right: 1rem;
}

.insight-content {
    flex: 1;
}

.insight-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.insight-description {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Recent Activity */
.recent-activity {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
}

.activity-item {
    display: flex;
    align-items: center;
    padding: 1rem 0;
    border-bottom: 1px solid var(--border-color);
}

.activity-item:last-child {
    border-bottom: none;
}

.activity-item:hover {
    background: #f7fafc;
}

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-size: 1rem;
}

.activity-icon.success { background: #dcfce7; color: #16a34a; }
.activity-icon.info { background: #dbeafe; color: #2563eb; }
.activity-icon.warning { background: #fef3c7; color: #d97706; }

.activity-content {
    flex: 1;
}

.activity-text {
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.activity-time {
    font-size: 0.8rem;
    color: var(--text-secondary);
}

/* Quick Actions */
.quick-actions {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin-top: 1.5rem;
}

.quick-action-btn {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    padding: 1rem;
    border-radius: 10px;
    text-align: center;
    transition: all 0.3s ease;
    display: block;
}

.quick-action-btn:hover {
    background: #1d4ed8;
    transform: translateY(-3px);
    box-shadow: var(--shadow-md);
    color: white;
    text-decoration: none;
}

.quick-action-btn i {
    font-size: 1.5rem;
    margin-bottom: 0.5rem;
    display: block;
}

/* Subscription Status */
.subscription-status {
    background: linear-gradient(135deg, #10b981 0%, #059669 100%);
    color: white;
    padding: 1.5rem;
    border-radius: 15px;
    margin-bottom: 1.5rem;
}

.subscription-status h4 {
    margin: 0 0 0.5rem 0;
    font-weight: 600;
}

.subscription-status p {
    margin: 0;
    opacity: 0.9;
}

/* Exam Items */
.exam-item {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 1rem;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.exam-item:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-lg);
}

.exam-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
}

.exam-title {
    font-size: 1.2rem;
    font-weight: 600;
    color: var(--text-primary);
}

.exam-status {
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.exam-status.available { background: #dcfce7; color: #16a34a; }
.exam-status.completed { background: #dbeafe; color: #2563eb; }
.exam-status.upcoming { background: #fef3c7; color: #d97706; }

.exam-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 1rem;
}

.exam-actions {
    display: flex;
    gap: 1rem;
}

.exam-btn {
    padding: 0.5rem 1rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
}

.exam-btn.primary {
    background: var(--primary-color);
    color: white;
}

.exam-btn.secondary {
    background: #f1f5f9;
    color: var(--text-primary);
}

.exam-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Course Cards */
.course-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.course-card:hover {
    transform: translateY(-3px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-color);
}

.course-header {
    display: flex;
    align-items: center;
    margin-bottom: 1rem;
}

.course-icon {
    width: 60px;
    height: 60px;
    background: var(--primary-color);
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 2rem;
    margin-right: 1rem;
}

.course-info h4 {
    margin: 0 0 0.5rem 0;
    color: var(--text-primary);
    font-size: 1.1rem;
}

.course-meta {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.course-progress-section {
    margin: 1rem 0;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
    color: var(--text-secondary);
}

.course-actions {
    display: flex;
    gap: 0.5rem;
    margin-top: 1rem;
}

.course-btn {
    flex: 1;
    padding: 0.75rem;
    border-radius: 8px;
    text-decoration: none;
    text-align: center;
    font-weight: 500;
    transition: all 0.3s ease;
}

.course-btn.primary {
    background: var(--primary-color);
    color: white;
}

.course-btn.secondary {
    background: #f1f5f9;
    color: var(--text-primary);
}

.course-btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-sm);
}

/* Course Filters */
.filters-section {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.filters-row {
    display: flex;
    gap: 1rem;
    align-items: center;
    flex-wrap: wrap;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.filter-group label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.filter-group select,
.filter-group input {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 150px;
}

.search-box {
    flex: 1;
    min-width: 250px;
}

.search-box input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

/* Exam Stats */
.exam-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.exam-stat-card {
    background: white;
    border-radius: 15px;
    padding: 1.5rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
    border-left: 4px solid var(--primary-color);
}

.exam-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.exam-stat-card .stat-icon {
    font-size: 2.5rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.exam-stat-card .stat-value {
    font-size: 2rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.exam-stat-card .stat-label {
    color: var(--text-secondary);
    font-weight: 500;
}

/* Exam Tabs */
.exams-tabs {
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    overflow: hidden;
}

.tabs-header {
    display: flex;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
}

.tab-button {
    flex: 1;
    padding: 1rem 1.5rem;
    background: none;
    border: none;
    font-size: 1rem;
    font-weight: 500;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
}

.tab-button.active {
    background: white;
    color: var(--primary-color);
    border-bottom: 3px solid var(--primary-color);
}

.tab-button:hover:not(.active) {
    background: #f1f5f9;
    color: var(--text-primary);
}

.tab-content {
    padding: 2rem;
}

.tab-pane {
    display: none;
}

.tab-pane.active {
    display: block;
}

/* Exam Filters */
.exam-filters {
    display: flex;
    gap: 1rem;
    margin-bottom: 2rem;
    flex-wrap: wrap;
}

.exam-filters .filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.exam-filters .filter-group label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.exam-filters .filter-group select {
    padding: 0.5rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 150px;
}

.exam-filters .search-box {
    flex: 1;
    min-width: 250px;
}

.exam-filters .search-box input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

/* Exam Grid */
.exams-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 1.5rem;
}

/* Exam Cards */
.exam-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.exam-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.exam-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    color: white;
    padding: 1.5rem;
    position: relative;
}

.exam-header h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.3rem;
    font-weight: 600;
}

.exam-subject {
    opacity: 0.9;
    font-size: 0.9rem;
}

.exam-status {
    position: absolute;
    top: 1rem;
    right: 1rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.exam-status.available {
    background: rgba(34, 197, 94, 0.2);
    color: #16a34a;
}

.exam-status.completed {
    background: rgba(59, 130, 246, 0.2);
    color: #2563eb;
}

.exam-status.upcoming {
    background: rgba(245, 158, 11, 0.2);
    color: #d97706;
}

.exam-body {
    padding: 1.5rem;
}

.exam-info-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.info-item {
    text-align: center;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.info-item .info-value {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.info-item .info-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Exam Actions */
.exam-actions {
    display: flex;
    gap: 1rem;
    justify-content: center;
}

.btn-exam {
    padding: 0.75rem 1.5rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-secondary {
    background: #f1f5f9;
    color: var(--text-primary);
}

.btn-secondary:hover {
    background: #e2e8f0;
    transform: translateY(-2px);
}

.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-outline:hover {
    background: var(--primary-color);
    color: white;
}

/* Exam History */
.exam-history {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-top: 2rem;
}

.exam-history h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.history-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.history-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.history-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-size: 1rem;
}

.history-icon.passed {
    background: #dcfce7;
    color: #16a34a;
}

.history-icon.failed {
    background: #fef2f2;
    color: #dc2626;
}

.history-info {
    flex: 1;
}

.history-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.history-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.history-score {
    font-weight: 600;
    margin-left: 1rem;
    min-width: 80px;
    text-align: right;
}

.score-passed {
    color: #16a34a;
}

.score-failed {
    color: #dc2626;
}

/* Empty State */
.empty-state {
    text-align: center;
    padding: 4rem 2rem;
    color: var(--text-secondary);
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 1rem;
    opacity: 0.5;
}

/* Exam Stats */
.exam-stats {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.exam-stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    text-align: center;
    border: 1px solid var(--border-color);
    transition: all 0.3s ease;
}

.exam-stat-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.exam-stat-card .stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    color: white;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-size: 1.5rem;
}

.exam-stat-card .stat-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.exam-stat-card .stat-label {
    color: var(--text-secondary);
    font-size: 1rem;
}

/* Exams Tabs */
.exams-tabs {
    background: white;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    overflow: hidden;
}

.tabs-header {
    display: flex;
    background: #f8fafc;
    border-bottom: 1px solid var(--border-color);
}

.tab-button {
    flex: 1;
    padding: 1rem 1.5rem;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    transition: all 0.3s ease;
    border-bottom: 3px solid transparent;
}

.tab-button.active {
    color: var(--primary-color);
    background: white;
    border-bottom-color: var(--primary-color);
}

.tab-button:hover {
    color: var(--primary-color);
    background: #f0f9ff;
}

.tab-content {
    padding: 2rem;
    display: none;
}

.tab-content.active {
    display: block;
}

/* Responsive Design for Exams */
@media (max-width: 768px) {
    .exams-grid {
        grid-template-columns: 1fr;
    }
    
    .exam-filters {
        flex-direction: column;
    }
    
    .search-box {
        min-width: auto;
    }
    
    .tabs-header {
        flex-direction: column;
    }
    
    .exam-info-grid {
        grid-template-columns: 1fr;
    }
    
    .exam-actions {
        flex-direction: column;
    }
    
    .history-item {
        flex-direction: column;
        text-align: center;
    }
    
    .history-score {
        margin: 1rem 0 0 0;
        text-align: center;
    }
}

@media (max-width: 480px) {
    .exam-header {
        padding: 1rem;
    }

    .exam-header h3 {
        font-size: 1.1rem;
    }

    .exam-body {
        padding: 1rem;
    }

    .exam-info-grid {
        gap: 0.5rem;
    }

    .info-item {
        padding: 0.75rem;
    }

    .info-item .info-value {
        font-size: 1.2rem;
    }
}

/* Course Filters */
.course-filters-section {
    background: white;
    padding: 2rem;
    border-radius: 15px;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.course-filters-row {
    display: flex;
    gap: 1.5rem;
    align-items: end;
}

.course-filter-group {
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.course-filter-group label {
    font-weight: 500;
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.course-filter-group select {
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    min-width: 150px;
    font-size: 1rem;
}

.course-search-box {
    flex: 1;
    min-width: 300px;
}

.course-search-box input {
    width: 100%;
    padding: 0.75rem;
    border: 1px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
}

/* Courses Grid */
.courses-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(400px, 1fr));
    gap: 2rem;
}

/* Course Cards */
.course-card {
    background: white;
    border-radius: 15px;
    overflow: hidden;
    box-shadow: var(--shadow-md);
    transition: all 0.3s ease;
    border: 1px solid var(--border-color);
}

.course-card:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.course-header {
    background: linear-gradient(135deg, var(--primary-color) 0%, #1d4ed8 100%);
    color: white;
    padding: 2rem;
    position: relative;
}

.course-header h3 {
    margin: 0 0 0.5rem 0;
    font-size: 1.5rem;
    font-weight: 600;
}

.course-subject {
    opacity: 0.9;
    font-size: 1rem;
}

.course-status {
    position: absolute;
    top: 1.5rem;
    right: 1.5rem;
    background: rgba(255, 255, 255, 0.2);
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.9rem;
    font-weight: 500;
}

.course-body {
    padding: 2rem;
}

.course-info-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 1rem;
    margin-bottom: 2rem;
}

.course-info-item {
    text-align: center;
    padding: 1.5rem;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.course-info-item .info-value {
    font-size: 1.8rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.course-info-item .info-label {
    color: var(--text-secondary);
    font-size: 0.9rem;
    text-transform: uppercase;
    font-weight: 500;
}

/* Course Actions */
.course-actions {
    display: flex;
    gap: 1rem;
}

.btn-course {
    flex: 1;
    padding: 1rem;
    border: none;
    border-radius: 8px;
    font-weight: 500;
    text-decoration: none;
    text-align: center;
    transition: all 0.3s ease;
    font-size: 1rem;
}

.btn-course.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-course.btn-primary:hover {
    background: #1d4ed8;
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
}

.btn-course.btn-secondary {
    background: var(--secondary-color);
    color: white;
}

.btn-course.btn-secondary:hover {
    background: #475569;
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
}

.btn-course.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 1px solid var(--primary-color);
}

.btn-course.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    text-decoration: none;
    transform: translateY(-2px);
}

/* Progress Bar */
.progress-section {
    margin-bottom: 1.5rem;
}

.progress-label {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0.5rem;
}

.progress-label .label {
    font-weight: 500;
    color: var(--text-primary);
}

.progress-label .percentage {
    font-weight: 600;
    color: var(--primary-color);
}

.progress-bar {
    width: 100%;
    height: 8px;
    background: #e2e8f0;
    border-radius: 4px;
    overflow: hidden;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, var(--primary-color) 0%, #1d4ed8 100%);
    border-radius: 4px;
    transition: width 0.3s ease;
}

/* Responsive Design for Courses */
@media (max-width: 768px) {
    .courses-grid {
        grid-template-columns: 1fr;
    }
    
    .course-filters-row {
        flex-direction: column;
        align-items: stretch;
    }
    
    .course-search-box {
        min-width: auto;
    }
}

/* Subscription Styles */
.current-plan {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.current-plan h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.plan-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 2rem;
}

.plan-info {
    flex: 1;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.plan-description {
    color: var(--text-secondary);
    font-size: 1rem;
}

.plan-status {
    background: #dcfce7;
    color: #16a34a;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.plan-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.feature-icon {
    width: 40px;
    height: 40px;
    background: var(--primary-color);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1rem;
}

.feature-text {
    font-weight: 500;
    color: var(--text-primary);
}

.plan-actions {
    display: flex;
    gap: 1rem;
}

.btn-plan {
    padding: 1rem 2rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s ease;
    border: none;
    cursor: pointer;
    font-size: 1rem;
}

.btn-plan.btn-primary {
    background: var(--primary-color);
    color: white;
}

.btn-plan.btn-primary:hover {
    background: #1d4ed8;
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

.btn-plan.btn-outline {
    background: transparent;
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
}

.btn-plan.btn-outline:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

/* Available Plans */
.available-plans {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.available-plans h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.plan-card {
    border: 2px solid var(--border-color);
    border-radius: 15px;
    padding: 2rem;
    text-align: center;
    transition: all 0.3s ease;
    position: relative;
}

.plan-card:hover {
    border-color: var(--primary-color);
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.plan-card.recommended {
    border-color: var(--primary-color);
    background: linear-gradient(135deg, #f0f9ff 0%, #e0f2fe 100%);
}

.plan-card.recommended::before {
    content: 'Recommended';
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.25rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 500;
}

.plan-card h4 {
    font-size: 1.5rem;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.plan-price .period {
    font-size: 1rem;
    color: var(--text-secondary);
    font-weight: 400;
}

.plan-description {
    color: var(--text-secondary);
    margin-bottom: 1.5rem;
}

.plan-features-list {
    list-style: none;
    padding: 0;
    margin: 0 0 2rem 0;
}

.plan-features-list li {
    padding: 0.5rem 0;
    color: var(--text-primary);
    border-bottom: 1px solid #f1f5f9;
}

.plan-features-list li:last-child {
    border-bottom: none;
}

.plan-features-list li i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

/* Billing Information */
.billing-info {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.billing-info h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.billing-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

.billing-card {
    padding: 1.5rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    background: #f8fafc;
}

.billing-card h4 {
    color: var(--text-primary);
    margin-bottom: 1rem;
    font-weight: 600;
}

.billing-details {
    margin-bottom: 1rem;
}

.billing-row {
    display: flex;
    justify-content: space-between;
    padding: 0.5rem 0;
    border-bottom: 1px solid #e2e8f0;
}

.billing-row:last-child {
    border-bottom: none;
}

.billing-label {
    color: var(--text-secondary);
    font-weight: 500;
}

.billing-value {
    color: var(--text-primary);
    font-weight: 600;
}

.status-active {
    color: #16a34a;
}

.status-pending {
    color: #d97706;
}

.status-cancelled {
    color: #6b7280;
}

/* Responsive Design for Subscriptions */
@media (max-width: 768px) {
    .plans-grid {
        grid-template-columns: 1fr;
    }
    
    .billing-grid {
        grid-template-columns: 1fr;
    }
    
    .plan-header {
        flex-direction: column;
        text-align: center;
        gap: 1rem;
    }
}

/* Current Plan */
.current-plan {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
    border: 2px solid var(--primary-color);
}

.current-plan h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.plan-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 2rem;
}

.plan-info {
    flex: 1;
}

.plan-name {
    font-size: 2rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.plan-description {
    color: var(--text-secondary);
    font-size: 1.1rem;
    margin-bottom: 1rem;
}

.plan-status {
    background: #dcfce7;
    color: #16a34a;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-weight: 600;
    font-size: 0.9rem;
}

.plan-features {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.feature-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.feature-item i {
    color: var(--primary-color);
    margin-right: 1rem;
    font-size: 1.2rem;
}

.feature-text {
    color: var(--text-primary);
    font-weight: 500;
}

/* Billing Information */
.billing-info {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.billing-info h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.billing-details {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
}

.billing-item {
    padding: 1rem;
    background: #f8fafc;
    border-radius: 10px;
    border: 1px solid var(--border-color);
}

.billing-label {
    font-weight: 600;
    color: var(--text-secondary);
    margin-bottom: 0.5rem;
    font-size: 0.9rem;
}

.billing-value {
    color: var(--text-primary);
    font-size: 1.1rem;
}

/* Available Plans */
.available-plans {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    margin-bottom: 2rem;
}

.available-plans h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.plans-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}

/* Subscription History */
.subscription-history {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
}

.subscription-history h3 {
    color: var(--primary-color);
    margin-bottom: 1.5rem;
    font-weight: 600;
    border-bottom: 2px solid var(--border-color);
    padding-bottom: 0.5rem;
}

.history-item {
    display: flex;
    align-items: center;
    padding: 1rem;
    border: 1px solid var(--border-color);
    border-radius: 10px;
    margin-bottom: 1rem;
    transition: all 0.3s ease;
}

.history-item:hover {
    border-color: var(--primary-color);
    box-shadow: var(--shadow-sm);
}

.history-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 1rem;
    font-size: 1rem;
}

.history-icon.success {
    background: #dcfce7;
    color: #16a34a;
}

.history-icon.info {
    background: #dbeafe;
    color: #2563eb;
}

.history-icon.warning {
    background: #fef3c7;
    color: #d97706;
}

.history-content {
    flex: 1;
}

.history-title {
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.25rem;
}

.history-details {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.history-date {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-left: 1rem;
}

/* Subscription Plans */
.subscription-plan {
    background: white;
    border-radius: 15px;
    padding: 2rem;
    box-shadow: var(--shadow-md);
    text-align: center;
    transition: all 0.3s ease;
    border: 2px solid var(--border-color);
    position: relative;
}

.subscription-plan.featured {
    border-color: var(--primary-color);
    transform: scale(1.05);
}

.subscription-plan:hover {
    transform: translateY(-5px);
    box-shadow: var(--shadow-lg);
}

.subscription-plan.featured:hover {
    transform: scale(1.05) translateY(-5px);
}

.plan-badge {
    position: absolute;
    top: -10px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white;
    padding: 0.5rem 1rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
}

.plan-name {
    font-size: 1.5rem;
    font-weight: 600;
    color: var(--text-primary);
    margin-bottom: 0.5rem;
}

.plan-price {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
    margin-bottom: 0.5rem;
}

.plan-price .currency {
    font-size: 1rem;
    color: var(--text-secondary);
}

.plan-features {
    list-style: none;
    padding: 0;
    margin: 1.5rem 0;
}

.plan-features li {
    padding: 0.5rem 0;
    color: var(--text-secondary);
    border-bottom: 1px solid var(--border-color);
}

.plan-features li:last-child {
    border-bottom: none;
}

.plan-features li i {
    color: var(--primary-color);
    margin-right: 0.5rem;
}

.plan-actions {
    margin-top: 1.5rem;
}

.plan-btn {
    width: 100%;
    padding: 1rem;
    border-radius: 10px;
    text-decoration: none;
    font-weight: 600;
    transition: all 0.3s ease;
    display: block;
}

.plan-btn.primary {
    background: var(--primary-color);
    color: white;
}

.plan-btn.secondary {
    background: #f1f5f9;
    color: var(--text-primary);
}

.plan-btn:hover {
    transform: translateY(-2px);
    box-shadow: var(--shadow-md);
}

/* Responsive Design */
@media (max-width: 768px) {
    .nav-menu-container {
        justify-content: flex-start;
        overflow-x: auto;
        padding-bottom: 0.5rem;
    }
    
    .nav-menu-item {
        min-width: 100px;
        padding: 0.75rem 1rem;
        flex-shrink: 0;
    }
    
    .nav-menu-item span {
        font-size: 0.8rem;
    }
    
    .main-content-grid,
    .progress-charts,
    .score-charts {
        grid-template-columns: 1fr;
    }
    
    .stats-grid,
    .overview-cards,
    .overview-stats {
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    }
    
    .achievements-grid {
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
    }
    
    .quick-actions {
        grid-template-columns: 1fr;
    }
    
    .exam-actions,
    .course-actions {
        flex-direction: column;
    }
    
    .subscription-plan.featured {
        transform: none;
    }
    
    .subscription-plan.featured:hover {
        transform: translateY(-5px);
    }
}

/* Animation Classes */
.fade-in {
    opacity: 0;
    transform: translateY(20px);
    transition: all 0.6s ease;
}

.fade-in.visible {
    opacity: 1;
    transform: translateY(0);
}

/* Utility Classes */
.text-center { text-align: center; }
.text-left { text-align: left; }
.text-right { text-align: right; }

.mb-0 { margin-bottom: 0; }
.mb-1 { margin-bottom: 0.25rem; }
.mb-2 { margin-bottom: 0.5rem; }
.mb-3 { margin-bottom: 1rem; }
.mb-4 { margin-bottom: 1.5rem; }

.mt-0 { margin-top: 0; }
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-3 { margin-top: 1rem; }
.mt-4 { margin-top: 1.5rem; }

.p-0 { padding: 0; }
.p-1 { padding: 0.25rem; }
.p-2 { padding: 0.5rem; }
.p-3 { padding: 1rem; }
.p-4 { padding: 1.5rem; }