/* Admin Panel Styles */
.admin-login {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 2rem;
}

.login-container {
    width: 100%;
    max-width: 400px;
}

.login-box {
    background: white;
    border-radius: 12px;
    padding: 2.5rem;
    box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-header {
    text-align: center;
    margin-bottom: 2rem;
}

.login-header i {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 1rem;
}

.login-header h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
}

.login-form .form-group {
    margin-bottom: 1.5rem;
}

.login-form label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.login-form input {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: border-color 0.3s;
}

.login-form input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.btn-block {
    width: 100%;
}

.login-footer {
    text-align: center;
    margin-top: 1.5rem;
}

.login-footer a {
    color: var(--primary-color);
    text-decoration: none;
}

/* Admin Body */
.admin-body {
    background: #f5f7fa;
    min-height: 100vh;
}

.admin-sidebar {
    position: fixed;
    left: 0;
    top: 0;
    width: 280px;
    height: 100vh;
    background: linear-gradient(180deg, #1e293b 0%, #0f172a 100%);
    color: white;
    overflow-y: auto;
    overflow-x: hidden;
    z-index: 1000;
    box-shadow: 2px 0 10px rgba(0,0,0,0.1);
    display: flex;
    flex-direction: column;
}

.admin-sidebar::-webkit-scrollbar {
    width: 6px;
}

.admin-sidebar::-webkit-scrollbar-track {
    background: rgba(255,255,255,0.05);
}

.admin-sidebar::-webkit-scrollbar-thumb {
    background: rgba(255,255,255,0.2);
    border-radius: 3px;
}

.admin-sidebar::-webkit-scrollbar-thumb:hover {
    background: rgba(255,255,255,0.3);
}

.sidebar-header {
    padding: 1.5rem;
    background: rgba(0,0,0,0.2);
    border-bottom: 1px solid rgba(255,255,255,0.1);
    display: flex;
    align-items: center;
    flex-shrink: 0;
}

.logo-container {
    display: flex;
    align-items: center;
    gap: 0.75rem;
    width: 100%;
}

.sidebar-logo {
    height: 32px;
    max-width: 120px;
    object-fit: contain;
}

.logo-text {
    font-size: 1.25rem;
    font-weight: 600;
    letter-spacing: 0.5px;
}

.sidebar-nav {
    padding: 1rem 0;
    flex: 1;
    overflow-y: auto;
}

.nav-section {
    margin-bottom: 1.5rem;
}

.nav-section-title {
    padding: 0.5rem 1.5rem;
    font-size: 0.75rem;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 1px;
    color: rgba(255,255,255,0.5);
    margin-bottom: 0.5rem;
}

.nav-item {
    display: flex;
    align-items: center;
    padding: 0.75rem 1.5rem;
    color: rgba(255,255,255,0.85);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
    font-size: 0.95rem;
    position: relative;
}

.nav-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    bottom: 0;
    width: 3px;
    background: var(--primary-color);
    transform: scaleY(0);
    transition: transform 0.2s ease;
}

.nav-item:hover {
    background: rgba(255,255,255,0.08);
    color: white;
    padding-left: 1.75rem;
}

.nav-item:hover::before {
    transform: scaleY(1);
}

.nav-item.active {
    background: linear-gradient(90deg, rgba(99, 102, 241, 0.15) 0%, rgba(99, 102, 241, 0.05) 100%);
    color: white;
    border-left-color: var(--primary-color);
    font-weight: 500;
}

.nav-item.active::before {
    transform: scaleY(1);
}

.nav-item i {
    margin-right: 0.875rem;
    width: 20px;
    text-align: center;
    font-size: 1rem;
    opacity: 0.9;
}

.nav-item.active i {
    opacity: 1;
    color: var(--primary-color);
}

.sidebar-footer {
    padding: 1rem;
    background: rgba(0,0,0,0.2);
    border-top: 1px solid rgba(255,255,255,0.1);
    flex-shrink: 0;
    display: flex;
    flex-direction: column;
    gap: 0.5rem;
}

.footer-item {
    margin-bottom: 0;
    flex-shrink: 0;
}

.footer-item:last-of-type {
    margin-bottom: 0;
}

.developer-credit {
    padding: 0.75rem 0 0 0;
    text-align: center;
    border-top: 1px solid rgba(255,255,255,0.1);
    margin-top: 0.5rem;
    font-size: 0.75rem;
    color: rgba(255,255,255,0.6);
    line-height: 1.4;
    flex-shrink: 0;
}

.logout-item {
    color: rgba(239, 68, 68, 0.9);
}

.logout-item:hover {
    background: rgba(239, 68, 68, 0.15);
    color: #ef4444;
}

.admin-main {
    margin-left: 280px;
    min-height: 100vh;
}

.admin-header {
    background: white;
    padding: 1rem 2rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    box-shadow: 0 2px 4px rgba(0,0,0,0.1);
    position: sticky;
    top: 0;
    z-index: 100;
}

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

.sidebar-toggle {
    background: none;
    border: none;
    font-size: 1.25rem;
    cursor: pointer;
    color: var(--text-dark);
}

.admin-content {
    padding: 2rem;
}

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

.page-header h1 {
    font-size: 1.75rem;
    color: var(--text-dark);
}

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

.stat-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    display: flex;
    align-items: center;
    gap: 1rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    transition: transform 0.3s;
}

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

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

.stat-info h3 {
    font-size: 1.75rem;
    margin-bottom: 0.25rem;
    color: var(--text-dark);
}

.stat-info p {
    color: var(--text-light);
    font-size: 0.875rem;
}

/* Dashboard Grid */
.dashboard-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 1.5rem;
    margin-bottom: 2rem;
}

.dashboard-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
}

.card-header {
    padding: 1.25rem 1.5rem;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.card-header h3 {
    font-size: 1.125rem;
    color: var(--text-dark);
}

.card-body {
    padding: 1.5rem;
}

/* Tables */
.table-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
    overflow: hidden;
}

.table-responsive {
    overflow-x: auto;
}

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

.data-table thead {
    background: #f8f9fa;
}

.data-table th {
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: var(--text-dark);
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: 1rem;
    border-bottom: 1px solid var(--border-color);
}

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

/* Forms */
.form-card {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

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

.form-group {
    margin-bottom: 1.5rem;
}

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: var(--text-dark);
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.3s;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

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

.form-actions {
    display: flex;
    gap: 1rem;
    margin-top: 2rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 0.5rem;
    padding: 0.625rem 1.25rem;
    border-radius: 8px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.3s;
    border: none;
    cursor: pointer;
    font-size: 0.875rem;
}

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

.btn-primary:hover {
    background: var(--primary-dark);
    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;
}

.btn-danger {
    background: #ef4444;
    color: white;
}

.btn-danger:hover {
    background: #dc2626;
}

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.75rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 20px;
    font-size: 0.75rem;
    font-weight: 600;
}

.badge-success {
    background: #10b981;
    color: white;
}

.badge-warning {
    background: #f59e0b;
    color: white;
}

.badge-danger {
    background: #ef4444;
    color: white;
}

.badge-info {
    background: #3b82f6;
    color: white;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 8px;
    margin-bottom: 1.5rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #10b981;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #ef4444;
}

/* Filter Card */
.filter-card {
    background: white;
    border-radius: 12px;
    padding: 1.5rem;
    margin-bottom: 1.5rem;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}

.filter-form {
    display: flex;
    gap: 1rem;
    flex-wrap: wrap;
}

.filter-form input,
.filter-form select {
    padding: 0.625rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 0.875rem;
}

/* Info Table */
.info-table {
    width: 100%;
}

.info-table th {
    width: 150px;
    text-align: left;
    padding: 0.75rem;
    color: var(--text-light);
    font-weight: 500;
}

.info-table td {
    padding: 0.75rem;
    color: var(--text-dark);
}

.form-control {
    padding: 0.5rem;
    border: 2px solid var(--border-color);
    border-radius: 6px;
    font-size: 0.875rem;
}

/* Responsive */
@media (max-width: 768px) {
    .admin-sidebar {
        transform: translateX(-100%);
        transition: transform 0.3s;
    }
    
    .admin-sidebar.active {
        transform: translateX(0);
    }
    
    .admin-main {
        margin-left: 0;
    }
    
    .dashboard-grid {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
}