* { margin: 0; padding: 0; box-sizing: border-box; }

body {
    font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
    background: #f0f2f5;
    color: #333;
}

/* Login Page */
.login-container {
    display: flex;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #1e3c72, #2a5298);
}

.login-box {
    background: #fff;
    padding: 40px;
    border-radius: 10px;
    box-shadow: 0 15px 35px rgba(0,0,0,0.2);
    width: 400px;
    max-width: 90%;
}

.login-box h1 {
    text-align: center;
    margin-bottom: 10px;
    color: #1e3c72;
    font-size: 24px;
}

.login-box p.subtitle {
    text-align: center;
    color: #777;
    margin-bottom: 30px;
}

.form-group {
    margin-bottom: 20px;
}

.form-group label {
    display: block;
    margin-bottom: 6px;
    font-weight: 600;
    color: #555;
}

.form-group input,
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 10px 12px;
    border: 1px solid #ddd;
    border-radius: 6px;
    font-size: 14px;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group textarea:focus,
.form-group select:focus {
    outline: none;
    border-color: #2a5298;
    box-shadow: 0 0 0 3px rgba(42, 82, 152, 0.1);
}

.btn {
    display: inline-block;
    padding: 10px 20px;
    border: none;
    border-radius: 6px;
    cursor: pointer;
    font-size: 14px;
    font-weight: 600;
    text-decoration: none;
    transition: background 0.3s;
}

.btn-primary {
    background: #2a5298;
    color: #fff;
}

.btn-primary:hover {
    background: #1e3c72;
}

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

.btn-success:hover {
    background: #218838;
}

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

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

.btn-warning {
    background: #ffc107;
    color: #333;
}

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

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

.btn-block {
    display: block;
    width: 100%;
    text-align: center;
}

/* Sidebar Layout */
.wrapper {
    display: flex;
    min-height: 100vh;
}

.sidebar {
    width: 250px;
    background: #1e3c72;
    color: #fff;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    padding: 20px;
    text-align: center;
    border-bottom: 1px solid rgba(255,255,255,0.1);
}

.sidebar-header h2 {
    font-size: 18px;
}

.sidebar-header small {
    color: rgba(255,255,255,0.6);
}

.sidebar-menu {
    list-style: none;
    padding: 10px 0;
}

.sidebar-menu li a {
    display: block;
    padding: 12px 20px;
    color: rgba(255,255,255,0.8);
    text-decoration: none;
    transition: all 0.3s;
    border-left: 3px solid transparent;
}

.sidebar-menu li a:hover,
.sidebar-menu li a.active {
    background: rgba(255,255,255,0.1);
    color: #fff;
    border-left-color: #ffc107;
}

.sidebar-menu li a .icon {
    margin-right: 10px;
    width: 20px;
    display: inline-block;
    text-align: center;
}

/* Main Content */
.main-content {
    margin-left: 250px;
    flex: 1;
    min-height: 100vh;
}

.topbar {
    background: #fff;
    padding: 15px 30px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 5px rgba(0,0,0,0.05);
}

.topbar .user-info {
    display: flex;
    align-items: center;
    gap: 15px;
}

.topbar .user-info a {
    color: #dc3545;
    text-decoration: none;
    font-weight: 600;
}

.content {
    padding: 30px;
}

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

.page-header h2 {
    color: #1e3c72;
}

/* Cards */
.card {
    background: #fff;
    border-radius: 10px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    padding: 25px;
    margin-bottom: 20px;
}

.stats-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: #fff;
    border-radius: 10px;
    padding: 25px;
    box-shadow: 0 2px 10px rgba(0,0,0,0.05);
    text-align: center;
    border-top: 3px solid #2a5298;
}

.stat-card h3 {
    font-size: 32px;
    color: #1e3c72;
    margin-bottom: 5px;
}

.stat-card p {
    color: #777;
}

/* Table */
.table-responsive {
    overflow-x: auto;
}

table {
    width: 100%;
    border-collapse: collapse;
}

table th,
table td {
    padding: 12px 15px;
    text-align: left;
    border-bottom: 1px solid #eee;
}

table th {
    background: #f8f9fa;
    font-weight: 600;
    color: #555;
}

table tr:hover {
    background: #f8f9fa;
}

/* Alert Messages */
.alert {
    padding: 12px 20px;
    border-radius: 6px;
    margin-bottom: 20px;
    font-weight: 500;
}

.alert-success {
    background: #d4edda;
    color: #155724;
    border: 1px solid #c3e6cb;
}

.alert-danger {
    background: #f8d7da;
    color: #721c24;
    border: 1px solid #f5c6cb;
}

.alert-warning {
    background: #fff3cd;
    color: #856404;
    border: 1px solid #ffeeba;
}

/* Badge */
.badge {
    display: inline-block;
    padding: 3px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 600;
}

.badge-success {
    background: #d4edda;
    color: #155724;
}

.badge-danger {
    background: #f8d7da;
    color: #721c24;
}

/* Modal */
.actions {
    display: flex;
    gap: 5px;
}

/* Form Row */
.form-row {
    display: flex;
    gap: 15px;
    flex-wrap: wrap;
}

.form-row .form-group {
    flex: 1;
    min-width: 200px;
}

/* Search Form */
.search-form .form-row {
    align-items: flex-end;
}

.search-form .btn {
    height: 40px;
    white-space: nowrap;
}

/* Menu Sections */
.sidebar-menu .menu-section {
    padding: 15px 20px 5px;
    font-size: 11px;
    text-transform: uppercase;
    color: rgba(255,255,255,0.4);
    letter-spacing: 1px;
    font-weight: 600;
}

/* Form Section Title */
.form-section-title {
    color: #1e3c72;
    border-bottom: 2px solid #e8e8e8;
    padding-bottom: 8px;
    margin: 25px 0 15px;
    font-size: 16px;
}

.form-section-title:first-of-type {
    margin-top: 0;
}

/* Badge info */
.badge-info {
    background: #d1ecf1;
    color: #0c5460;
}

/* Photo Gallery */
.photo-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
    gap: 15px;
}

.photo-item {
    border: 1px solid #e0e0e0;
    border-radius: 8px;
    overflow: hidden;
    background: #fafafa;
}

.photo-item img {
    width: 100%;
    height: 150px;
    object-fit: cover;
    cursor: pointer;
    transition: transform 0.2s;
}

.photo-item img:hover {
    transform: scale(1.03);
}

.photo-actions {
    padding: 8px 10px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.photo-name {
    font-size: 11px;
    color: #777;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
    max-width: 120px;
}

/* Lightbox */
.lightbox {
    display: none;
    position: fixed;
    top: 0; left: 0;
    width: 100%; height: 100%;
    background: rgba(0,0,0,0.85);
    z-index: 9999;
    justify-content: center;
    align-items: center;
    cursor: pointer;
}

.lightbox img {
    max-width: 90%;
    max-height: 90vh;
    border-radius: 8px;
    box-shadow: 0 5px 30px rgba(0,0,0,0.5);
}

/* Photo Preview */
.photo-preview-row {
    display: flex;
    gap: 10px;
    flex-wrap: wrap;
    margin-top: 10px;
}

.preview-item {
    width: 100px;
    text-align: center;
}

.preview-item img {
    width: 100px;
    height: 75px;
    object-fit: cover;
    border-radius: 6px;
    border: 2px solid #ddd;
}

.preview-item span {
    display: block;
    font-size: 10px;
    color: #888;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

/* File Input */
.file-input {
    padding: 8px;
    border: 2px dashed #ccc;
    border-radius: 6px;
    background: #fafafa;
    cursor: pointer;
}

.file-input:hover {
    border-color: #2a5298;
}

/* Responsive adjustments */
@media (max-width: 768px) {
    .sidebar {
        width: 60px;
    }
    .sidebar-header h2,
    .sidebar-header small,
    .sidebar-menu .menu-section {
        display: none;
    }
    .sidebar-menu li a {
        text-align: center;
        padding: 12px 5px;
    }
    .sidebar-menu li a .icon {
        margin: 0;
    }
    .main-content {
        margin-left: 60px;
    }
    .form-row {
        flex-direction: column;
    }
    .form-row .form-group {
        min-width: 100%;
    }
}