/* Reset and Base Styles */
* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    line-height: 1.6;
    color: #333;
    background-color: #f8fafc;
    overflow-x: hidden;
}

/* Sidebar */
.sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, #1e40af 0%, #1e3a8a 100%);
    color: white;
    z-index: 1000;
    transition: transform 0.3s ease;
    overflow-y: auto;
}

.sidebar-header {
    padding: 2rem 1.5rem;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h2 {
    font-size: 1.5rem;
    font-weight: 700;
    margin-bottom: 0.3rem;
}

.sidebar-header .subtitle {
    font-size: 0.9rem;
    opacity: 0.8;
}

.sidebar-nav {
    padding: 1rem 0;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 1rem 1.5rem;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s ease;
    position: relative;
}

.nav-item:hover,
.nav-item.active {
    background-color: rgba(255,255,255,0.1);
    color: white;
}

.nav-item i {
    width: 20px;
    margin-right: 1rem;
    font-size: 1.1rem;
}

.nav-item span:first-of-type {
    flex: 1;
}

.badge {
    background-color: #ef4444;
    color: white;
    padding: 0.2rem 0.6rem;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
    margin-left: auto;
}

.badge.urgent {
    background-color: #dc2626;
    animation: pulse 2s infinite;
}

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

/* Main Content */
.main-content {
    margin-left: 280px;
    min-height: 100vh;
    transition: margin-left 0.3s ease;
}

/* Top Bar */
.top-bar {
    background: white;
    padding: 1rem 2rem;
    box-shadow: 0 2px 10px rgba(0,0,0,0.1);
    display: flex;
    justify-content: space-between;
    align-items: center;
    position: sticky;
    top: 0;
    z-index: 100;
}

.top-bar-left {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.sidebar-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.2rem;
    color: #64748b;
    cursor: pointer;
}

.top-bar h1 {
    color: #1e40af;
    font-size: 1.8rem;
    font-weight: 600;
}

.top-bar-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.search-box {
    position: relative;
    display: flex;
    align-items: center;
}

.search-box i {
    position: absolute;
    left: 1rem;
    color: #9ca3af;
}

.search-box input {
    padding: 0.7rem 1rem 0.7rem 2.5rem;
    border: 1px solid #d1d5db;
    border-radius: 8px;
    width: 300px;
    font-size: 0.9rem;
}

.search-box input:focus {
    outline: none;
    border-color: #1e40af;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.notifications {
    position: relative;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.notifications:hover {
    background-color: #f1f5f9;
}

.notification-badge {
    position: absolute;
    top: 0;
    right: 0;
    background-color: #ef4444;
    color: white;
    border-radius: 50%;
    width: 18px;
    height: 18px;
    font-size: 0.7rem;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 600;
}

.user-menu {
    display: flex;
    align-items: center;
    gap: 0.8rem;
    cursor: pointer;
    padding: 0.5rem;
    border-radius: 8px;
    transition: background-color 0.3s ease;
}

.user-menu:hover {
    background-color: #f1f5f9;
}

.user-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.user-name {
    font-weight: 600;
    color: #374151;
}

/* Content */
.content {
    padding: 2rem;
}

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

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 1px solid #e2e8f0;
    display: flex;
    align-items: center;
    gap: 1rem;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}

.stat-card:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0,0,0,0.1);
}

.stat-icon {
    width: 60px;
    height: 60px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 1.5rem;
    color: white;
}

.stat-card:nth-child(1) .stat-icon {
    background: linear-gradient(135deg, #3b82f6, #1e40af);
}

.stat-card:nth-child(2) .stat-icon {
    background: linear-gradient(135deg, #f59e0b, #d97706);
}

.stat-card:nth-child(3) .stat-icon {
    background: linear-gradient(135deg, #10b981, #059669);
}

.stat-card:nth-child(4) .stat-icon {
    background: linear-gradient(135deg, #8b5cf6, #7c3aed);
}

.stat-content h3 {
    font-size: 2rem;
    font-weight: 700;
    color: #1e40af;
    margin-bottom: 0.3rem;
}

.stat-content p {
    color: #64748b;
    margin-bottom: 0.5rem;
}

.stat-change {
    font-size: 0.8rem;
    font-weight: 600;
    padding: 0.2rem 0.5rem;
    border-radius: 4px;
}

.stat-change.positive {
    background-color: #d1fae5;
    color: #059669;
}

.stat-change.negative {
    background-color: #fee2e2;
    color: #dc2626;
}

.stat-change.neutral {
    background-color: #f1f5f9;
    color: #64748b;
}

/* Quick Actions */
.quick-actions {
    margin-bottom: 2rem;
}

.quick-actions h2 {
    color: #1e40af;
    margin-bottom: 1rem;
    font-size: 1.5rem;
}

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

.action-btn {
    background: white;
    border: 2px solid #e2e8f0;
    border-radius: 12px;
    padding: 1.5rem 1rem;
    cursor: pointer;
    transition: all 0.3s ease;
    display: flex;
    flex-direction: column;
    align-items: center;
    gap: 0.8rem;
    font-weight: 600;
    color: #374151;
    text-decoration: none;
}

.action-btn:hover {
    border-color: #1e40af;
    color: #1e40af;
    transform: translateY(-2px);
    box-shadow: 0 4px 12px rgba(30, 64, 175, 0.15);
}

.action-btn i {
    font-size: 1.8rem;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 1px solid #e2e8f0;
}

.card-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 1rem;
    padding-bottom: 1rem;
    border-bottom: 1px solid #e2e8f0;
}

.card-header h3 {
    color: #1e40af;
    font-size: 1.3rem;
    font-weight: 600;
}

.view-all {
    color: #1e40af;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
}

.view-all:hover {
    text-decoration: underline;
}

/* Activity List */
.activity-list {
    space-y: 1rem;
}

.activity-item {
    display: flex;
    align-items: flex-start;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid #f1f5f9;
}

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

.activity-icon {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
    font-size: 1rem;
}

.activity-icon.success {
    background-color: #d1fae5;
    color: #059669;
}

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

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

.activity-content h4 {
    color: #374151;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

.activity-content p {
    color: #6b7280;
    margin-bottom: 0.3rem;
    font-size: 0.8rem;
}

.activity-time {
    font-size: 0.7rem;
    color: #9ca3af;
}

/* Alerts List */
.alerts-list {
    space-y: 1rem;
}

.alert-item {
    display: flex;
    align-items: center;
    gap: 1rem;
    padding: 1rem 0;
    border-bottom: 1px solid #f1f5f9;
}

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

.alert-item i {
    font-size: 1.2rem;
}

.alert-item.urgent i {
    color: #dc2626;
}

.alert-item.warning i {
    color: #d97706;
}

.alert-item.info i {
    color: #2563eb;
}

.alert-content {
    flex: 1;
}

.alert-content h4 {
    color: #374151;
    margin-bottom: 0.3rem;
    font-size: 0.9rem;
}

.alert-content p {
    color: #6b7280;
    margin-bottom: 0.3rem;
    font-size: 0.8rem;
}

.alert-time {
    font-size: 0.7rem;
    color: #9ca3af;
}

/* Students Overview */
.students-overview {
    margin-bottom: 2rem;
}

.filter-tabs {
    display: flex;
    gap: 0.5rem;
}

.tab-btn {
    padding: 0.5rem 1rem;
    border: 1px solid #e2e8f0;
    background: white;
    border-radius: 6px;
    cursor: pointer;
    transition: all 0.3s ease;
    font-size: 0.9rem;
}

.tab-btn.active,
.tab-btn:hover {
    background-color: #1e40af;
    color: white;
    border-color: #1e40af;
}

.students-table {
    margin-top: 1rem;
}

.table-header {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 1rem;
    padding: 1rem;
    background-color: #f8fafc;
    border-radius: 8px;
    font-weight: 600;
    color: #374151;
    font-size: 0.9rem;
}

.table-row {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr 1fr;
    gap: 1rem;
    padding: 1rem;
    border-bottom: 1px solid #f1f5f9;
    align-items: center;
}

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

.student-info {
    display: flex;
    align-items: center;
    gap: 1rem;
}

.student-avatar {
    width: 40px;
    height: 40px;
    border-radius: 50%;
    object-fit: cover;
}

.student-info h4 {
    color: #374151;
    margin-bottom: 0.2rem;
    font-size: 0.9rem;
}

.student-info p {
    color: #6b7280;
    font-size: 0.8rem;
}

.destination-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
}

.destination-badge.ireland {
    background-color: #dbeafe;
    color: #1e40af;
}

.destination-badge.usa {
    background-color: #fef3c7;
    color: #d97706;
}

.destination-badge.canada {
    background-color: #fee2e2;
    color: #dc2626;
}

.status-badge {
    padding: 0.3rem 0.8rem;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
}

.status-badge.in-progress {
    background-color: #fef3c7;
    color: #d97706;
}

.status-badge.completed {
    background-color: #d1fae5;
    color: #059669;
}

.status-badge.urgent {
    background-color: #fee2e2;
    color: #dc2626;
}

.progress-bar {
    width: 100%;
    height: 6px;
    background-color: #e2e8f0;
    border-radius: 3px;
    overflow: hidden;
    margin-bottom: 0.3rem;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(90deg, #3b82f6, #1e40af);
    border-radius: 3px;
    transition: width 0.3s ease;
}

.progress-text {
    font-size: 0.8rem;
    color: #64748b;
    font-weight: 600;
}

.action-buttons {
    display: flex;
    gap: 0.5rem;
}

.btn-icon {
    width: 32px;
    height: 32px;
    border: 1px solid #e2e8f0;
    background: white;
    border-radius: 6px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    color: #64748b;
}

.btn-icon:hover {
    border-color: #1e40af;
    color: #1e40af;
    background-color: #f8fafc;
}

/* Charts Section */
.charts-section {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.chart-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    box-shadow: 0 4px 6px rgba(0,0,0,0.05);
    border: 1px solid #e2e8f0;
}

.chart-controls select {
    padding: 0.5rem;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 0.9rem;
}

.chart-container {
    height: 300px;
    margin-top: 1rem;
}

/* Buttons */
.btn {
    padding: 0.6rem 1.2rem;
    border: none;
    border-radius: 8px;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    text-decoration: none;
    display: inline-block;
    font-size: 0.9rem;
}

.btn-primary {
    background-color: #1e40af;
    color: white;
}

.btn-primary:hover {
    background-color: #1e3a8a;
}

.btn-secondary {
    background-color: #f1f5f9;
    color: #374151;
    border: 1px solid #e2e8f0;
}

.btn-secondary:hover {
    background-color: #e2e8f0;
}

.btn-sm {
    padding: 0.4rem 0.8rem;
    font-size: 0.8rem;
}

/* Modals */
.modal {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
    z-index: 2000;
    align-items: center;
    justify-content: center;
}

.modal.active {
    display: flex;
}

.modal-content {
    background: white;
    border-radius: 12px;
    max-width: 600px;
    width: 90%;
    max-height: 80vh;
    overflow-y: auto;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1.5rem;
    border-bottom: 1px solid #e2e8f0;
}

.modal-close {
    background: none;
    border: none;
    font-size: 1.5rem;
    cursor: pointer;
    color: #6b7280;
}

.modal-body {
    padding: 1.5rem;
}

/* Forms */
.form-group {
    margin-bottom: 1rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 600;
    color: #374151;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.7rem;
    border: 1px solid #d1d5db;
    border-radius: 6px;
    font-size: 0.9rem;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #1e40af;
    box-shadow: 0 0 0 3px rgba(30, 64, 175, 0.1);
}

.form-actions {
    display: flex;
    gap: 1rem;
    justify-content: flex-end;
    margin-top: 1.5rem;
}

/* Responsive Design */
@media (max-width: 1024px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .sidebar-toggle {
        display: block;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .charts-section {
        grid-template-columns: 1fr;
    }
    
    .table-header,
    .table-row {
        grid-template-columns: 1fr;
        gap: 0.5rem;
    }
    
    .table-header {
        display: none;
    }
    
    .table-row {
        display: block;
        border: 1px solid #e2e8f0;
        border-radius: 8px;
        margin-bottom: 1rem;
        padding: 1rem;
    }
    
    .col {
        display: flex;
        justify-content: space-between;
        align-items: center;
        margin-bottom: 0.5rem;
    }
    
    .col:before {
        content: attr(data-label);
        font-weight: 600;
        color: #374151;
    }
}

@media (max-width: 768px) {
    .content {
        padding: 1rem;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .action-buttons {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .search-box input {
        width: 200px;
    }
    
    .top-bar {
        padding: 1rem;
    }
}

@media (max-width: 480px) {
    .action-buttons {
        grid-template-columns: 1fr;
    }
    
    .search-box {
        display: none;
    }
    
    .top-bar-right {
        gap: 1rem;
    }
}