/* Common Styles for All Pages */

/* Base Layout */
body {
    font-family: Arial, sans-serif;
    margin: 0;
    padding: 20px;
    background: #f5f5f5;
    color: #333;
    transition: background-color 0.3s ease, color 0.3s ease;
}

body.dark-mode {
    background: #1a1a1a;
    color: #fff;
}

/* Button Styles - Shared across all pages */
.btn {
    padding: 8px 16px;
    border: none;
    border-radius: 4px;
    cursor: pointer;
    font-size: 14px;
    text-decoration: none;
    display: inline-block;
    transition: background-color 0.3s;
}

.btn-primary {
    background: #007bff;
    color: white;
}

.btn-primary:hover {
    background: #0056b3;
}

.btn-success {
    background: #28a745;
    color: white;
}

.btn-success:hover {
    background: #1e7e34;
}

.btn-warning {
    background: #ffc107;
    color: #212529;
}

.btn-warning:hover {
    background: #e0a800;
}

.btn-danger {
    background: #dc3545;
    color: white;
}

.btn-danger:hover {
    background: #c82333;
}

.btn-secondary {
    background: #6c757d;
    color: white;
}

.btn-secondary:hover {
    background: #545b62;
}

/* Form Styles - Shared across all pages */
.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 5px;
    font-weight: 500;
    color: #333;
}

body.dark-mode .form-group label {
    color: #fff;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 10px;
    border: 1px solid #ddd;
    border-radius: 4px;
    font-size: 14px;
    background: white;
    color: #333;
    box-sizing: border-box;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

body.dark-mode .form-group input,
body.dark-mode .form-group select,
body.dark-mode .form-group textarea {
    background: #3a3a3a;
    border-color: #555;
    color: #fff;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: #007bff;
    box-shadow: 0 0 0 2px rgba(0, 123, 255, 0.25);
}

.form-group textarea {
    min-height: 100px;
    resize: vertical;
}

/* Table Styles - Shared across all pages */
.table-container {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
    margin-top: 20px;
}

th, td {
    padding: 12px;
    text-align: left;
    border-bottom: 1px solid #ddd;
}

th {
    background: #f8f9fa;
    font-weight: bold;
    color: #333;
}

body.dark-mode th {
    background: #3a3a3a;
    color: #fff;
}

body.dark-mode td {
    border-bottom-color: #555;
}

tr:hover {
    background: #f5f5f5;
}

body.dark-mode tr:hover {
    background: #3a3a3a;
}

/* Modal Styles - Shared across all pages */
.modal {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.5);
}

.modal-content {
    background-color: white;
    margin: 5% auto;
    padding: 20px;
    border-radius: 8px;
    width: 80%;
    max-width: 800px;
    max-height: 80vh;
    overflow-y: auto;
}

body.dark-mode .modal-content {
    background-color: #2d2d2d;
    color: #fff;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 10px;
    border-bottom: 1px solid #ddd;
}

body.dark-mode .modal-header {
    border-bottom-color: #555;
}

.modal-title {
    font-size: 1.5em;
    font-weight: bold;
    margin: 0;
}

.close {
    font-size: 28px;
    font-weight: bold;
    cursor: pointer;
    color: #aaa;
}

.close:hover {
    color: #000;
}

body.dark-mode .close:hover {
    color: #fff;
}

/* Modal Overlay Styles - Shared across all pages */
.modal-overlay {
    display: none;
    position: fixed;
    z-index: 2000;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.5);
    backdrop-filter: blur(2px);
}

.modal-overlay.show {
    display: flex;
    align-items: center;
    justify-content: center;
}

/* Loading Animation - Shared across all pages */
.loading {
    display: none;
    text-align: center;
    padding: 20px;
}

.loading::after {
    content: '';
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 3px solid #f3f3f3;
    border-top: 3px solid #007bff;
    border-radius: 50%;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    0% { transform: rotate(0deg); }
    100% { transform: rotate(360deg); }
}

/* Error/Success Messages - Shared across all pages */
.error {
    color: #dc3545;
    background: #f8d7da;
    border: 1px solid #f5c6cb;
    padding: 10px;
    border-radius: 4px;
    margin: 10px 0;
}

body.dark-mode .error {
    background: #4a1e1e;
    border-color: #5a2d2d;
}

.success {
    color: #155724;
    background: #d4edda;
    border: 1px solid #c3e6cb;
    padding: 10px;
    border-radius: 4px;
    margin: 10px 0;
}

body.dark-mode .success {
    background: #1e3a1e;
    border-color: #28a745;
}

/* Status Messages - Shared across all pages */
.status-message {
    margin-top: 10px;
    padding: 10px;
    border-radius: 4px;
    display: none;
}

.status-message.loading {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeaa7;
    display: block;
}

.status-message.success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
    display: block;
}

.status-message.error {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
    display: block;
}

body.dark-mode .status-message.loading {
    background: #2d2d2d;
    color: #ffc107;
    border-color: #ffc107;
}

body.dark-mode .status-message.success {
    background: #1e3a1e;
    color: #28a745;
    border-color: #28a745;
}

body.dark-mode .status-message.error {
    background: #3a1e1e;
    color: #dc3545;
    border-color: #dc3545;
}

/* Close Button Styles - Shared across all pages */
.close-btn {
    position: absolute;
    top: 15px;
    right: 15px;
    width: 30px;
    height: 30px;
    border-radius: 50%;
    border: none;
    background: #dc3545;
    color: white;
    font-size: 16px;
    font-weight: bold;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: background-color 0.2s;
}

.close-btn:hover {
    background: #c82333;
}

/* Action Buttons Container - Shared across all pages */
.action-buttons {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 20px;
}

.action-buttons .btn {
    flex: 1;
    min-width: 120px;
}

/* File Input Styles - Shared across all pages */
.file-input {
    margin: 10px 0;
}

/* Responsive Design - Shared across all pages */
@media (max-width: 768px) {
    body {
        padding: 10px;
    }
    
    .action-buttons {
        flex-direction: column;
    }
    
    .action-buttons .btn {
        min-width: auto;
    }
    
    .modal-content {
        width: 95%;
        margin: 2% auto;
    }
}