/* Admin Panel Styles */
:root {
    --admin-primary: #3b82f6;
    --admin-secondary: #64748b;
    --admin-success: #10b981;
    --admin-danger: #ef4444;
    --admin-warning: #f59e0b;
    --admin-bg: #f8fafc;
    --admin-sidebar: #1e293b;
    --admin-border: #e2e8f0;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--admin-bg);
    color: #1e293b;
}

/* Login Page */
.login-page {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 100vh;
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
}

.login-container {
    width: 100%;
    max-width: 400px;
    padding: 20px;
}

.login-card {
    background: white;
    padding: 3rem 2.5rem;
    border-radius: 12px;
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
}

.login-card h1 {
    font-size: 1.75rem;
    margin-bottom: 0.5rem;
    color: #1e293b;
}

.login-card p {
    color: #64748b;
    margin-bottom: 2rem;
}

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

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

/* Admin Wrapper */
.admin-wrapper {
    display: flex;
    min-height: 100vh;
}

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--admin-sidebar);
    color: white;
    position: fixed;
    height: 100vh;
    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;
}

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

.nav-item {
    display: block;
    padding: 0.875rem 1.5rem;
    color: #cbd5e1;
    text-decoration: none;
    transition: all 0.2s;
    border: none;
    background: transparent;
    width: 100%;
    text-align: left;
    font-size: 1rem;
    cursor: pointer;
}

.nav-item:hover {
    background: rgba(255, 255, 255, 0.05);
    color: white;
}

.nav-item.active {
    background: rgba(59, 130, 246, 0.2);
    color: white;
    border-left: 3px solid var(--admin-primary);
}

.logout-btn {
    color: #f87171;
}

.sidebar hr {
    border: none;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    margin: 1rem 0;
}

/* Main Content */
.main-content {
    flex: 1;
    margin-left: 260px;
    padding: 2rem;
}

.content-header {
    margin-bottom: 2rem;
}

.content-header h1 {
    font-size: 2rem;
    color: #1e293b;
}

.content-body {
    background: white;
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

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

.page-header h2 {
    font-size: 1.5rem;
    color: #1e293b;
}

/* Buttons */
.btn {
    display: inline-block;
    padding: 0.625rem 1.25rem;
    border-radius: 6px;
    text-decoration: none;
    font-weight: 500;
    transition: all 0.2s;
    border: none;
    cursor: pointer;
    font-size: 0.9375rem;
}

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

.btn-primary:hover {
    background: #2563eb;
}

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

.btn-secondary:hover {
    background: #475569;
}

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

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

.btn-sm {
    padding: 0.375rem 0.75rem;
    font-size: 0.875rem;
}

.btn-block {
    width: 100%;
}

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

.stat-card {
    background: white;
    padding: 1.5rem;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    display: flex;
    align-items: center;
    gap: 1rem;
}

.stat-card.highlight {
    background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
    color: white;
}

.stat-icon {
    font-size: 2.5rem;
}

.stat-details h3 {
    font-size: 2rem;
    font-weight: 700;
}

.stat-details p {
    color: #64748b;
    font-size: 0.9375rem;
}

.stat-card.highlight .stat-details p {
    color: rgba(255, 255, 255, 0.9);
}

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

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

.data-table th {
    background: var(--admin-bg);
    padding: 1rem;
    text-align: left;
    font-weight: 600;
    color: #475569;
    border-bottom: 2px solid var(--admin-border);
}

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

.data-table tr:hover {
    background: #f8fafc;
}

.data-table tr.unread {
    background: #eff6ff;
    font-weight: 500;
}

.data-table .actions {
    display: flex;
    gap: 0.5rem;
}

/* Badges */
.badge {
    display: inline-block;
    padding: 0.25rem 0.75rem;
    border-radius: 12px;
    font-size: 0.8125rem;
    font-weight: 600;
}

.badge-success {
    background: #d1fae5;
    color: #065f46;
}

.badge-warning {
    background: #fef3c7;
    color: #92400e;
}

/* Forms */
.form-card {
    background: white;
    padding: 2rem;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    max-width: 800px;
}

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

.form-group label {
    display: block;
    margin-bottom: 0.5rem;
    font-weight: 500;
    color: #1e293b;
}

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="url"],
.form-group input[type="date"],
.form-group input[type="number"],
.form-group input[type="file"],
.form-group textarea,
.form-group select {
    width: 100%;
    padding: 0.75rem;
    border: 2px solid var(--admin-border);
    border-radius: 6px;
    font-size: 1rem;
    font-family: inherit;
    transition: border-color 0.2s;
}

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

.form-group textarea {
    resize: vertical;
}

.form-group small {
    display: block;
    margin-top: 0.25rem;
    color: #64748b;
    font-size: 0.875rem;
}

.checkbox-label {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    cursor: pointer;
}

.checkbox-label input[type="checkbox"] {
    width: auto;
    cursor: pointer;
}

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 1rem;
}

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

.error {
    color: var(--admin-danger);
    font-size: 0.875rem;
    margin-top: 0.25rem;
    display: block;
}

/* Alerts */
.alert {
    padding: 1rem;
    border-radius: 6px;
    margin-bottom: 1.5rem;
}

.alert-success {
    background: #d1fae5;
    color: #065f46;
    border: 1px solid #6ee7b7;
}

.alert-error {
    background: #fee2e2;
    color: #991b1b;
    border: 1px solid #fca5a5;
}

/* Projects Admin Grid */
.projects-admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
    gap: 1.5rem;
}

.project-admin-card {
    background: white;
    border-radius: 8px;
    overflow: hidden;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
}

.project-admin-card img {
    width: 100%;
    height: 180px;
    object-fit: cover;
}

.project-admin-content {
    padding: 1.25rem;
}

.project-admin-content h3 {
    font-size: 1.125rem;
    margin-bottom: 0.5rem;
}

.project-admin-content p {
    color: #64748b;
    margin-bottom: 1rem;
}

.project-admin-actions {
    display: flex;
    gap: 0.5rem;
}

/* Clients Admin Grid */
.clients-admin-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
    gap: 1.5rem;
}

.client-admin-card {
    background: white;
    padding: 1.5rem;
    border-radius: 8px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    text-align: center;
}

.client-admin-card img {
    max-width: 100%;
    max-height: 80px;
    object-fit: contain;
    margin-bottom: 1rem;
}

.client-placeholder {
    width: 100px;
    height: 100px;
    margin: 0 auto 1rem;
    background: var(--admin-primary);
    color: white;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 2.5rem;
    font-weight: bold;
}

.client-admin-card h3 {
    margin-bottom: 1rem;
    font-size: 1.125rem;
}

.client-admin-actions {
    display: flex;
    gap: 0.5rem;
    justify-content: center;
}

/* Message Card */
.message-card {
    background: white;
    border-radius: 12px;
    box-shadow: 0 1px 3px rgba(0, 0, 0, 0.1);
    overflow: hidden;
}

.message-header {
    background: var(--admin-bg);
    padding: 2rem;
    display: flex;
    justify-content: space-between;
    align-items: start;
}

.message-header h3 {
    font-size: 1.5rem;
    margin-bottom: 1rem;
}

.message-header p {
    color: #64748b;
    margin-bottom: 0.5rem;
}

.message-body {
    padding: 2rem;
}

.message-body h4 {
    margin-bottom: 1rem;
    color: #475569;
}

.message-body p {
    line-height: 1.7;
    color: #1e293b;
}

/* Recent Section */
.recent-section {
    margin-top: 2rem;
}

.recent-section h2 {
    font-size: 1.5rem;
    margin-bottom: 1.5rem;
    color: #1e293b;
}

/* Pagination */
.pagination-wrapper {
    margin-top: 2rem;
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 100%;
        position: relative;
        height: auto;
    }

    .main-content {
        margin-left: 0;
    }

    .form-row {
        grid-template-columns: 1fr;
    }

    .page-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 1rem;
    }

    .dashboard-stats {
        grid-template-columns: 1fr;
    }
}