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

:root {
    --sidebar-bg: #1a1a2e;
    --sidebar-hover: #16213e;
    --main-bg: #0f0f1a;
    --card-bg: #1a1a2e;
    --border-color: #2d2d44;
    --text-primary: #e8e8e8;
    --text-secondary: #8888a0;
    --accent-color: #6366f1;
    --accent-hover: #4f46e5;
    --success-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
}

html, body {
    height: 100%;
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background-color: var(--main-bg);
    color: var(--text-primary);
}

.admin-container {
    display: flex;
    min-height: 100vh;
}

.admin-sidebar {
    width: 250px;
    background-color: var(--sidebar-bg);
    display: flex;
    flex-direction: column;
    border-right: 1px solid var(--border-color);
}

.admin-logo {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 20px;
    color: var(--accent-color);
    font-size: 18px;
    font-weight: 600;
    border-bottom: 1px solid var(--border-color);
}

.admin-nav {
    flex: 1;
    padding: 16px 8px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 16px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    margin-bottom: 4px;
    transition: all 0.2s;
}

.nav-item:hover {
    background-color: var(--sidebar-hover);
    color: var(--text-primary);
}

.nav-item.active {
    background-color: var(--accent-color);
    color: white;
}

.sidebar-footer {
    padding: 16px 8px;
    border-top: 1px solid var(--border-color);
}

.admin-main {
    flex: 1;
    padding: 24px;
    overflow-y: auto;
}

.admin-section {
    display: none;
}

.admin-section.active {
    display: block;
}

.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 24px;
}

.section-header h1 {
    font-size: 24px;
    font-weight: 600;
}

.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    border: none;
    border-radius: 8px;
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s;
}

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

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

.btn-secondary {
    background-color: var(--border-color);
    color: var(--text-primary);
}

.btn-secondary:hover {
    background-color: var(--sidebar-hover);
}

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

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

.items-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(350px, 1fr));
    gap: 16px;
}

.item-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    transition: all 0.2s;
}

.item-card:hover {
    border-color: var(--accent-color);
}

.item-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
    margin-bottom: 12px;
}

.item-title {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
}

.item-status {
    padding: 4px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
}

.item-status.published {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.item-status.draft {
    background-color: rgba(245, 158, 11, 0.2);
    color: var(--warning-color);
}

.item-status.archived {
    background-color: rgba(156, 163, 175, 0.2);
    color: #9ca3af;
}

.item-card.archived {
    opacity: 0.7;
}

.item-badges {
    display: flex;
    gap: 6px;
}

.item-author {
    display: block;
    font-size: 12px;
    color: var(--text-secondary);
    margin-top: 4px;
}

.item-category {
    display: inline-block;
    padding: 4px 10px;
    background-color: var(--sidebar-hover);
    border-radius: 4px;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 12px;
}

.item-summary {
    font-size: 14px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.item-meta {
    display: flex;
    gap: 16px;
    font-size: 12px;
    color: var(--text-secondary);
    margin-bottom: 16px;
}

.item-meta-item {
    display: flex;
    align-items: center;
    gap: 4px;
}

.item-actions {
    display: flex;
    gap: 8px;
}

.categories-list {
    display: flex;
    flex-direction: column;
    gap: 8px;
    max-width: 500px;
}

.category-item {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 16px 20px;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
}

.category-name {
    font-size: 15px;
    font-weight: 500;
}

.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background-color: rgba(0, 0, 0, 0.7);
    justify-content: center;
    align-items: center;
    z-index: 1000;
    padding: 20px;
}

.modal-overlay.active {
    display: flex;
}

.modal {
    background-color: var(--card-bg);
    border-radius: 16px;
    width: 100%;
    max-width: 600px;
    max-height: 90vh;
    overflow-y: auto;
}

.modal-sm {
    max-width: 400px;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 20px 24px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 18px;
    font-weight: 600;
}

.modal-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    cursor: pointer;
    padding: 4px 8px;
    line-height: 1;
}

.modal-close:hover {
    color: var(--text-primary);
}

#itemForm, #categoryForm {
    padding: 24px;
}

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

.form-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.form-group label {
    display: block;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-primary);
    margin-bottom: 8px;
}

.form-group input,
.form-group select,
.form-group textarea {
    width: 100%;
    padding: 12px 14px;
    background-color: var(--main-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 14px;
    transition: border-color 0.2s;
}

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

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

.form-group small {
    display: block;
    margin-top: 6px;
    font-size: 12px;
    color: var(--text-secondary);
}

.form-group input[type="file"] {
    padding: 10px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 12px;
    padding-top: 16px;
    border-top: 1px solid var(--border-color);
    margin-top: 8px;
}

::-webkit-scrollbar {
    width: 8px;
}

::-webkit-scrollbar-track {
    background: transparent;
}

::-webkit-scrollbar-thumb {
    background-color: var(--border-color);
    border-radius: 4px;
}

.users-table-container {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    overflow: hidden;
}

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

.users-table th,
.users-table td {
    padding: 14px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

.users-table th {
    background-color: var(--sidebar-hover);
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.users-table td {
    font-size: 14px;
}

.users-table tr:last-child td {
    border-bottom: none;
}

.users-table tr:hover {
    background-color: var(--sidebar-hover);
}

.users-table tr.archived {
    opacity: 0.6;
}

.status-badge {
    display: inline-block;
    padding: 4px 10px;
    border-radius: 4px;
    font-size: 12px;
    font-weight: 500;
}

.status-active {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.status-archived {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.actions-cell {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
}

.btn-warning {
    background-color: var(--warning-color);
    color: #1a1a1a;
}

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

#userForm {
    padding: 24px;
}

.error-message {
    background-color: rgba(239, 68, 68, 0.1);
    border: 1px solid rgba(239, 68, 68, 0.3);
    color: var(--danger-color);
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 16px;
    font-size: 14px;
}

#passwordHint {
    font-weight: normal;
    color: var(--text-secondary);
    font-size: 12px;
}

.section-description {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 24px;
}

.employees-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.employee-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 12px;
}

.employee-card.inactive {
    opacity: 0.6;
}

.employee-avatar {
    width: 64px;
    height: 64px;
    border-radius: 50%;
    overflow: hidden;
    background-color: var(--sidebar-hover);
}

.employee-avatar img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.avatar-placeholder {
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 24px;
    font-weight: 600;
    color: var(--accent-color);
    background-color: rgba(138, 180, 248, 0.2);
}

.employee-info {
    flex: 1;
}

.employee-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    margin: 0 0 4px 0;
}

.employee-position {
    font-size: 14px;
    color: var(--accent-color);
    margin: 0 0 2px 0;
}

.employee-department {
    font-size: 13px;
    color: var(--text-secondary);
    margin: 0;
}

.employee-contacts {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

.contact-item {
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 13px;
    color: var(--text-secondary);
}

.contact-item svg {
    flex-shrink: 0;
}

.employee-status {
    margin-top: 4px;
}

.status-badge.active {
    background-color: rgba(16, 185, 129, 0.2);
    color: var(--success-color);
}

.status-badge.inactive {
    background-color: rgba(239, 68, 68, 0.2);
    color: var(--danger-color);
}

.employee-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    margin-top: 8px;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

.no-data {
    color: var(--text-secondary);
    text-align: center;
    padding: 40px;
    font-size: 14px;
}

.projects-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
    gap: 20px;
}

.project-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 20px;
    border-left: 4px solid transparent;
}

.project-card.inactive {
    opacity: 0.6;
}

.project-card.color-blue { border-left-color: #3b82f6; }
.project-card.color-green { border-left-color: #22c55e; }
.project-card.color-purple { border-left-color: #a855f7; }
.project-card.color-orange { border-left-color: #f97316; }
.project-card.color-red { border-left-color: #ef4444; }
.project-card.color-yellow { border-left-color: #eab308; }
.project-card.color-pink { border-left-color: #ec4899; }
.project-card.color-cyan { border-left-color: #06b6d4; }

.project-card .project-header {
    display: flex;
    align-items: center;
    gap: 12px;
    margin-bottom: 12px;
}

.project-card .project-icon {
    width: 44px;
    height: 44px;
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    flex-shrink: 0;
}

.project-icon.color-blue { background: rgba(59, 130, 246, 0.15); color: #3b82f6; }
.project-icon.color-green { background: rgba(34, 197, 94, 0.15); color: #22c55e; }
.project-icon.color-purple { background: rgba(168, 85, 247, 0.15); color: #a855f7; }
.project-icon.color-orange { background: rgba(249, 115, 22, 0.15); color: #f97316; }
.project-icon.color-red { background: rgba(239, 68, 68, 0.15); color: #ef4444; }
.project-icon.color-yellow { background: rgba(234, 179, 8, 0.15); color: #eab308; }
.project-icon.color-pink { background: rgba(236, 72, 153, 0.15); color: #ec4899; }
.project-icon.color-cyan { background: rgba(6, 182, 212, 0.15); color: #06b6d4; }

.project-card .project-info {
    flex: 1;
    min-width: 0;
}

.project-card .project-name {
    font-size: 16px;
    font-weight: 600;
    color: var(--text-primary);
    display: block;
    margin-bottom: 4px;
}

.project-card .project-status {
    display: inline-block;
    padding: 2px 8px;
    border-radius: 4px;
    font-size: 11px;
    font-weight: 500;
    background: rgba(255, 255, 255, 0.1);
    color: var(--text-secondary);
}

.project-card .project-status.status-active { color: var(--success-color); }
.project-card .project-status.status-paused { color: var(--warning-color); }
.project-card .project-status.status-completed { color: #3b82f6; }

.project-card .project-description {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.5;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.project-card .project-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 13px;
    color: var(--accent-color);
    text-decoration: none;
    margin-bottom: 12px;
}

.project-card .project-link:hover {
    text-decoration: underline;
}

.project-card .project-actions {
    display: flex;
    gap: 8px;
    flex-wrap: wrap;
    padding-top: 12px;
    border-top: 1px solid var(--border-color);
}

@media (max-width: 768px) {
    .admin-sidebar {
        position: fixed;
        left: -250px;
        top: 0;
        bottom: 0;
        z-index: 100;
        transition: left 0.3s;
    }
    
    .items-grid {
        grid-template-columns: 1fr;
    }
    
    .form-row {
        grid-template-columns: 1fr;
    }
    
    .users-table-container {
        overflow-x: auto;
    }
    
    .users-table {
        min-width: 800px;
    }
}