/* 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: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    padding: 20px;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    background: white;
    border-radius: 12px;
    box-shadow: 0 20px 40px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

/* Header styles */
.header {
    background: linear-gradient(135deg, #2c3e50 0%, #3498db 100%);
    color: white;
    padding: 30px;
    text-align: center;
}

.header h1 {
    font-size: 2.5rem;
    margin-bottom: 10px;
    font-weight: 600;
}

.header p {
    font-size: 1.1rem;
    opacity: 0.9;
}

/* Date selector styles */
.date-selector {
    padding: 30px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.form-group label {
    font-weight: 600;
    color: #495057;
    font-size: 1.1rem;
}

.form-group input[type="date"] {
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
    background: white;
}

.form-group input[type="date"]:focus {
    outline: none;
    border-color: #3498db;
    box-shadow: 0 0 0 3px rgba(52, 152, 219, 0.1);
}

/* Filter controls styles */
.filter-controls {
    padding: 20px 0;
    border-bottom: 2px solid #e9ecef;
    margin-bottom: 25px;
    display: flex;
    flex-wrap: wrap;
    gap: 20px;
    align-items: center;
    justify-content: space-between;
}

.filter-group {
    display: flex;
    flex-direction: column;
    gap: 8px;
    min-width: 150px;
}

.filter-group label {
    font-weight: 600;
    color: #495057;
    font-size: 0.95rem;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-select {
    padding: 12px 16px;
    border: 2px solid #e9ecef;
    border-radius: 10px;
    font-size: 1rem;
    background: linear-gradient(135deg, #ffffff 0%, #f8f9fa 100%);
    min-width: 160px;
    font-weight: 500;
    color: #495057;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    transition: all 0.3s ease;
    cursor: pointer;
    appearance: none;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' fill='none' viewBox='0 0 20 20'%3e%3cpath stroke='%236b7280' stroke-linecap='round' stroke-linejoin='round' stroke-width='1.5' d='m6 8 4 4 4-4'/%3e%3c/svg%3e");
    background-position: right 12px center;
    background-repeat: no-repeat;
    background-size: 16px;
    padding-right: 40px;
}

.filter-select:hover {
    border-color: #80bdff;
    box-shadow: 0 4px 8px rgba(0, 123, 255, 0.15);
    transform: translateY(-1px);
}

.filter-select:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 3px rgba(0, 123, 255, 0.25);
}

.filter-stats {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 10px 15px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-radius: 8px;
    border: 1px solid #dee2e6;
}

.filter-count {
    font-size: 0.95rem;
    color: #495057;
    display: flex;
    align-items: center;
    gap: 8px;
}

.filter-count strong {
    color: #2c3e50;
    font-size: 1.1rem;
}

/* Badge styles */
.year-badge, .company-badge {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.8rem;
    font-weight: 600;
    text-align: center;
    display: inline-block;
    min-width: 60px;
}

.year-badge {
    color: white;
}

.year-1 {
    background: linear-gradient(135deg, #28a745 0%, #20c997 100%);
}

.year-2 {
    background: linear-gradient(135deg, #ffc107 0%, #fd7e14 100%);
    color: #212529;
}

.year-3 {
    background: linear-gradient(135deg, #dc3545 0%, #e83e8c 100%);
}

.company-badge {
    color: white;
    font-weight: 600;
}

.company-alpha {
    background: linear-gradient(135deg, #007bff 0%, #0056b3 100%);
}

.company-bravo {
    background: linear-gradient(135deg, #6f42c1 0%, #563d7c 100%);
}

.company-charlie {
    background: linear-gradient(135deg, #fd7e14 0%, #e55a4e 100%);
}

/* Attendance section styles */
.attendance-section {
    padding: 30px;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
    flex-wrap: wrap;
    gap: 15px;
}

.section-header h2 {
    color: #2c3e50;
    font-size: 1.8rem;
}

.bulk-actions {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Table styles */
.table-container {
    overflow-x: auto;
    border-radius: 8px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.attendance-table {
    width: 100%;
    border-collapse: collapse;
    background: white;
    min-width: 600px;
}

.attendance-table th {
    background: linear-gradient(135deg, #34495e 0%, #2c3e50 100%);
    color: white;
    padding: 15px 12px;
    text-align: left;
    font-weight: 600;
    font-size: 0.95rem;
}

.attendance-table td {
    padding: 15px 12px;
    border-bottom: 1px solid #e9ecef;
    vertical-align: middle;
}

.attendance-table tbody tr:hover {
    background: #f8f9fa;
}

.attendance-table tbody tr:nth-child(even) {
    background: #fdfdfd;
}

.attendance-table tbody tr:nth-child(even):hover {
    background: #f1f3f4;
}

/* Cadet info styles */
.cadet-info {
    display: flex;
    flex-direction: column;
    gap: 4px;
}

.cadet-name {
    font-weight: 600;
    color: #2c3e50;
}

.cadet-rank {
    font-size: 0.85rem;
    color: #6c757d;
    background: #e9ecef;
    padding: 2px 8px;
    border-radius: 12px;
    display: inline-block;
    width: fit-content;
}

/* Attendance controls styles */
.attendance-controls {
    display: flex;
    gap: 10px;
    align-items: center;
}

.radio-group {
    display: flex;
    gap: 15px;
    align-items: center;
}

.radio-option {
    display: flex;
    align-items: center;
    gap: 5px;
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
    transition: background 0.2s ease;
}

.radio-option:hover {
    background: rgba(0, 0, 0, 0.05);
}

.radio-option input[type="radio"] {
    margin: 0;
    scale: 1.2;
}

.radio-option.present {
    color: #28a745;
}

.radio-option.absent {
    color: #dc3545;
}

.reason-input {
    width: 100%;
    padding: 8px 12px;
    border: 2px solid #e9ecef;
    border-radius: 6px;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    margin-top: 8px;
}

.reason-input:focus {
    outline: none;
    border-color: #dc3545;
    box-shadow: 0 0 0 3px rgba(220, 53, 69, 0.1);
}

/* Button styles */
.btn {
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 600;
    cursor: pointer;
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    text-decoration: none;
    text-align: center;
    justify-content: center;
}

.btn:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 15px rgba(0, 0, 0, 0.2);
}

.btn:active {
    transform: translateY(0);
}

.btn-primary {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
}

.btn-secondary {
    background: linear-gradient(135deg, #95a5a6 0%, #7f8c8d 100%);
    color: white;
}

.btn-success {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    color: white;
}

.btn-danger {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
    color: white;
}

.btn-warning {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
}

/* Search section styles */
.search-section {
    padding: 20px 30px;
    background: #e3f2fd;
    border-bottom: 1px solid #bbdefb;
}

.search-container {
    display: flex;
    gap: 10px;
    align-items: center;
}

.search-input {
    flex: 1;
    padding: 12px 16px;
    border: 2px solid #2196f3;
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.3s ease;
}

.search-input:focus {
    outline: none;
    border-color: #1976d2;
    box-shadow: 0 0 0 3px rgba(33, 150, 243, 0.1);
}

.btn-sm {
    padding: 8px 16px;
    font-size: 0.9rem;
}

/* Attendance summary preview styles */
.attendance-summary-preview {
    padding: 20px 30px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
    border-bottom: 1px solid #dee2e6;
}

.summary-preview h3 {
    color: #495057;
    margin-bottom: 15px;
    font-size: 1.3rem;
}

.summary-stats {
    display: flex;
    gap: 25px;
    flex-wrap: wrap;
    justify-content: center;
}

.stat {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: white;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    font-size: 1rem;
}

.stat.present {
    color: #28a745;
    border-left: 4px solid #28a745;
}

.stat.absent {
    color: #dc3545;
    border-left: 4px solid #dc3545;
}

.stat.total {
    color: #6c757d;
    border-left: 4px solid #6c757d;
}

.stat strong {
    font-size: 1.2rem;
    font-weight: 700;
}

/* Date navigation styles */
.date-navigation {
    display: flex;
    gap: 10px;
    margin-top: 10px;
}

.btn-info {
    background: linear-gradient(135deg, #17a2b8 0%, #138496 100%);
    color: white;
}

/* Action buttons styles */
.action-buttons {
    padding: 30px;
    display: flex;
    gap: 15px;
    justify-content: center;
    flex-wrap: wrap;
    background: #f8f9fa;
    border-top: 1px solid #e9ecef;
}

/* View page specific styles */
.view-controls {
    padding: 30px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 20px;
}

.date-info h2 {
    color: #2c3e50;
    font-size: 1.5rem;
}

.control-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
}

/* Summary cards styles */
.attendance-summary {
    padding: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
}

.summary-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s ease;
}

.summary-card:hover {
    transform: translateY(-5px);
}

.summary-card i {
    font-size: 2.5rem;
}

.summary-card.present i {
    color: #27ae60;
}

.summary-card.absent i {
    color: #e74c3c;
}

.summary-card.total i {
    color: #3498db;
}

.summary-info {
    display: flex;
    flex-direction: column;
}

.summary-label {
    font-size: 0.9rem;
    color: #6c757d;
    font-weight: 500;
}

.summary-count {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
}

/* Attendance records styles */
.attendance-records {
    padding: 30px;
}

.records-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 20px;
}

.cadet-record {
    background: white;
    padding: 20px;
    border-radius: 8px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #e9ecef;
}

.cadet-record.present {
    border-left-color: #27ae60;
}

.cadet-record.absent {
    border-left-color: #e74c3c;
}

.record-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.record-name {
    font-weight: 600;
    color: #2c3e50;
    font-size: 1.1rem;
}

.record-status {
    padding: 4px 12px;
    border-radius: 20px;
    font-size: 0.85rem;
    font-weight: 600;
}

.record-status.present {
    background: #d4edda;
    color: #155724;
}

.record-status.absent {
    background: #f8d7da;
    color: #721c24;
}

.record-details {
    display: flex;
    flex-wrap: wrap;
    gap: 8px;
    margin-bottom: 10px;
    align-items: center;
}

.record-rank {
    color: #6c757d;
    font-size: 0.85rem;
    background: #f8f9fa;
    padding: 2px 8px;
    border-radius: 12px;
}

.record-reason {
    color: #495057;
    font-style: italic;
    background: #f8f9fa;
    padding: 8px 12px;
    border-radius: 6px;
    margin-top: 10px;
}

/* Notification styles */
.notification {
    position: fixed;
    top: 20px;
    right: 20px;
    padding: 15px 25px;
    border-radius: 8px;
    color: white;
    font-weight: 600;
    box-shadow: 0 4px 12px rgba(0, 0, 0, 0.2);
    z-index: 1000;
    transform: translateX(400px);
    transition: transform 0.3s ease;
}

.notification.show {
    transform: translateX(0);
}

.notification.success {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
}

.notification.error {
    background: linear-gradient(135deg, #e74c3c 0%, #c0392b 100%);
}

.notification.info {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
}

/* Empty state styles */
.empty-state {
    text-align: center;
    padding: 60px 20px;
    color: #6c757d;
}

.empty-state i {
    font-size: 4rem;
    margin-bottom: 20px;
    color: #dee2e6;
}

.empty-state h3 {
    margin-bottom: 10px;
    color: #495057;
}

/* Responsive design */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .header h1 {
        font-size: 2rem;
    }
    
    .section-header {
        flex-direction: column;
        align-items: stretch;
    }
    
    .bulk-actions {
        justify-content: center;
    }
    
    .attendance-table th,
    .attendance-table td {
        padding: 10px 8px;
        font-size: 0.9rem;
    }
    
    .radio-group {
        flex-direction: column;
        gap: 8px;
        align-items: flex-start;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .view-controls {
        flex-direction: column;
        align-items: stretch;
        text-align: center;
    }
    
    .control-buttons {
        justify-content: center;
    }
    
    .attendance-summary {
        grid-template-columns: 1fr;
    }
    
    .records-grid {
        grid-template-columns: 1fr;
    }
    
    .summary-card {
        padding: 20px;
    }
    
    .summary-card i {
        font-size: 2rem;
    }
    
    .summary-count {
        font-size: 1.5rem;
    }
    
    .summary-stats {
        flex-direction: column;
        gap: 15px;
    }
    
    .stat {
        justify-content: center;
    }
    
    .search-container {
        flex-direction: column;
        gap: 15px;
    }
    
    .date-navigation {
        justify-content: center;
        margin-top: 15px;
    }
    
    .filter-controls {
        flex-direction: column;
        gap: 15px;
        align-items: stretch;
    }
    
    .filter-group {
        min-width: auto;
        width: 100%;
    }
    
    .filter-select {
        width: 100%;
        min-width: auto;
        font-size: 16px; /* Prevent zoom on iOS */
    }
    
    .filter-stats {
        text-align: center;
    }
    
    .dashboard-sections {
        grid-template-columns: 1fr;
        padding: 20px;
        gap: 20px;
    }
    
    .overview-card {
        flex-direction: column;
        text-align: center;
        padding: 20px;
    }
    
    .card-icon {
        font-size: 2rem;
        padding: 10px;
        margin-bottom: 10px;
    }
    
    .card-value {
        font-size: 1.5rem;
    }
    
    .dashboard-controls {
        padding: 15px;
    }
}

@media (max-width: 480px) {
    .date-selector,
    .attendance-section,
    .action-buttons,
    .view-controls,
    .attendance-summary,
    .attendance-records {
        padding: 20px;
    }
    
    .header {
        padding: 20px;
    }
    
    .header h1 {
        font-size: 1.5rem;
    }
    
    .btn {
        padding: 10px 16px;
        font-size: 0.9rem;
    }
    
    .attendance-table {
        min-width: 500px;
    }
    
    .notification {
        left: 10px;
        right: 10px;
        transform: translateY(-100px);
    }
    
    .notification.show {
        transform: translateY(0);
    }
}

/* Dashboard styles */
.dashboard-controls {
    padding: 20px 30px;
    background: #f8f9fa;
    border-bottom: 1px solid #e9ecef;
    display: flex;
    justify-content: center;
}

.dashboard-overview {
    padding: 30px;
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    background: linear-gradient(135deg, #f8f9fa 0%, #e9ecef 100%);
}

.overview-card {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 20px;
    transition: transform 0.3s ease;
}

.overview-card:hover {
    transform: translateY(-5px);
}

.card-icon {
    font-size: 2.5rem;
    padding: 15px;
    border-radius: 12px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.total-days .card-icon {
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
}

.avg-attendance .card-icon {
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    color: white;
}

.perfect-days .card-icon {
    background: linear-gradient(135deg, #f39c12 0%, #e67e22 100%);
    color: white;
}

.most-active .card-icon {
    background: linear-gradient(135deg, #9b59b6 0%, #8e44ad 100%);
    color: white;
}

.card-content {
    flex: 1;
}

.card-title {
    font-size: 0.9rem;
    color: #6c757d;
    margin-bottom: 5px;
    font-weight: 500;
}

.card-value {
    font-size: 2rem;
    font-weight: 700;
    color: #2c3e50;
}

.dashboard-sections {
    padding: 30px;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 30px;
}

.section-left, .section-right {
    display: flex;
    flex-direction: column;
    gap: 30px;
}

.analytics-section {
    background: white;
    padding: 25px;
    border-radius: 12px;
    box-shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
}

.analytics-section h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.stat-item {
    margin-bottom: 20px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
}

.stat-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 10px;
}

.stat-percentage {
    font-weight: 700;
    font-size: 1.1rem;
    color: #2c3e50;
}

.progress-bar {
    height: 8px;
    background: #e9ecef;
    border-radius: 4px;
    overflow: hidden;
    margin-bottom: 8px;
}

.progress-fill {
    height: 100%;
    background: linear-gradient(135deg, #27ae60 0%, #229954 100%);
    transition: width 0.3s ease;
}

.stat-detail {
    font-size: 0.85rem;
    color: #6c757d;
}

.performer-item {
    display: flex;
    align-items: center;
    gap: 15px;
    padding: 15px;
    background: #f8f9fa;
    border-radius: 8px;
    margin-bottom: 10px;
}

.performer-rank {
    width: 30px;
    height: 30px;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-weight: 700;
}

.performer-info {
    flex: 1;
}

.performer-name {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 5px;
}

.performer-details {
    display: flex;
    gap: 8px;
}

.performer-score {
    font-weight: 700;
    font-size: 1.1rem;
    color: #27ae60;
}

.recent-records {
    padding: 30px;
    background: #f8f9fa;
}

.recent-records h3 {
    color: #2c3e50;
    margin-bottom: 20px;
    font-size: 1.3rem;
    display: flex;
    align-items: center;
    gap: 10px;
}

.timeline-item {
    background: white;
    padding: 20px;
    border-radius: 8px;
    margin-bottom: 15px;
    box-shadow: 0 2px 4px rgba(0, 0, 0, 0.1);
    border-left: 4px solid #3498db;
}

.timeline-date {
    font-weight: 600;
    color: #2c3e50;
    margin-bottom: 10px;
}

.timeline-stats {
    display: flex;
    gap: 15px;
    margin-bottom: 8px;
    flex-wrap: wrap;
}

.present-stat, .absent-stat, .total-stat {
    padding: 4px 8px;
    border-radius: 12px;
    font-size: 0.8rem;
    font-weight: 600;
}

.present-stat {
    background: #d4edda;
    color: #155724;
}

.absent-stat {
    background: #f8d7da;
    color: #721c24;
}

.total-stat {
    background: #e2e3e5;
    color: #383d41;
}

.timeline-percentage {
    font-weight: 600;
    color: #495057;
}

.chart-container {
    display: flex;
    align-items: end;
    gap: 10px;
    height: 200px;
    padding: 20px;
    background: #f8f9fa;
    border-radius: 8px;
}

.chart-bar {
    flex: 1;
    display: flex;
    flex-direction: column;
    align-items: center;
    height: 100%;
    position: relative;
}

.bar-fill {
    width: 100%;
    background: linear-gradient(135deg, #3498db 0%, #2980b9 100%);
    border-radius: 4px 4px 0 0;
    min-height: 5px;
    margin-bottom: auto;
}

.bar-label {
    font-size: 0.7rem;
    color: #6c757d;
    margin-top: 5px;
    text-align: center;
}

.bar-value {
    font-size: 0.7rem;
    font-weight: 600;
    color: #2c3e50;
    position: absolute;
    top: -20px;
}

.chart-placeholder {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    height: 150px;
    color: #6c757d;
}

.chart-placeholder i {
    font-size: 3rem;
    margin-bottom: 10px;
}

.empty-dashboard {
    text-align: center;
    padding: 40px;
    color: #6c757d;
    font-style: italic;
}

/* Print styles */
@media print {
    body {
        background: white;
        padding: 0;
    }
    
    .container {
        box-shadow: none;
        border-radius: 0;
    }
    
    .btn, .control-buttons, .bulk-actions, .dashboard-controls {
        display: none !important;
    }
    
    .attendance-table {
        min-width: auto;
    }
    
    .dashboard-sections {
        grid-template-columns: 1fr;
    }
}