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

:root {
    --primary-color: #3b82f6;
    --secondary-color: #10b981;
    --danger-color: #ef4444;
    --warning-color: #f59e0b;
    --dark-bg: #1a1a1a;
    --darker-bg: #0f0f0f;
    --card-bg: #2d2d2d;
    --border-color: #3a3a3a;
    --text-primary: #e5e7eb;
    --text-secondary: #9ca3af;
    --hover-bg: #3a3a3a;
}

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Oxygen, Ubuntu, Cantarell, sans-serif;
    background: var(--darker-bg);
    color: var(--text-primary);
    line-height: 1.6;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

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

/* Sidebar */
.sidebar {
    width: 260px;
    background: var(--dark-bg);
    border-right: 1px solid var(--border-color);
    padding: 20px;
    position: fixed;
    height: 100vh;
    overflow-y: auto;
}

.sidebar-header {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.sidebar-header h2 {
    font-size: 1.5rem;
    color: var(--primary-color);
}

.sidebar-header .material-symbols-outlined {
    font-size: 2rem;
    color: var(--primary-color);
}

.sidebar-nav {
    display: flex;
    flex-direction: column;
    gap: 5px;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 15px;
    color: var(--text-secondary);
    text-decoration: none;
    border-radius: 8px;
    transition: all 0.3s;
}

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

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

.nav-item .material-symbols-outlined {
    font-size: 1.5rem;
}

/* Main Content */
.main-content {
    margin-left: 260px;
    flex: 1;
    padding: 30px;
}

.dashboard-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 30px;
    padding-bottom: 20px;
    border-bottom: 1px solid var(--border-color);
}

.dashboard-header h1 {
    font-size: 2rem;
    font-weight: 600;
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 15px;
}

.btn-refresh {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 20px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    cursor: pointer;
    transition: all 0.3s;
}

.btn-refresh:hover {
    background: var(--hover-bg);
}

.user-info {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 10px 15px;
    background: var(--card-bg);
    border-radius: 8px;
}

.admin-login-status {
    margin-top: 8px;
    margin-bottom: 8px;
    color: var(--text-secondary);
    display: flex;
    align-items: center;
    gap: 8px;
    font-size: 0.9rem;
}

.status-spinner {
    width: 14px;
    height: 14px;
    border: 2px solid rgba(156, 163, 175, 0.35);
    border-top-color: var(--primary-color);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

/* Dashboard Sections */
.dashboard-section {
    display: none;
}

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

/* Stats Grid */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.stat-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    display: flex;
    align-items: center;
    gap: 20px;
    border: 1px solid var(--border-color);
    transition: transform 0.3s;
}

.stat-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

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

.stat-icon .material-symbols-outlined {
    font-size: 2rem;
}

.stat-info h3 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 5px;
}

.stat-info p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

/* Charts */
.charts-row {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.chart-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
}

.chart-card.full-width {
    grid-column: 1 / -1;
}

.chart-card h3 {
    margin-bottom: 20px;
    font-size: 1.2rem;
    color: var(--text-primary);
}

/* Section Headers */
.section-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 25px;
}

.section-header h2 {
    font-size: 1.8rem;
    font-weight: 600;
}

/* Buttons */
.btn-primary, .btn-secondary, .btn-danger {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 12px 24px;
    border: none;
    border-radius: 8px;
    font-size: 1rem;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.3s;
}

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

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

.btn-secondary {
    background: var(--card-bg);
    color: var(--text-primary);
    border: 1px solid var(--border-color);
}

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

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

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

.btn-close {
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    padding: 5px;
    border-radius: 4px;
}

.btn-close:hover {
    background: var(--hover-bg);
    color: var(--text-primary);
}

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

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

.data-table thead {
    background: var(--dark-bg);
}

.data-table th {
    padding: 15px;
    text-align: left;
    font-weight: 600;
    color: var(--text-primary);
    border-bottom: 2px solid var(--border-color);
}

.data-table td {
    padding: 15px;
    border-bottom: 1px solid var(--border-color);
    color: var(--text-secondary);
}

.data-table tbody tr:hover {
    background: var(--hover-bg);
}

.data-table .loading {
    text-align: center;
    color: var(--text-secondary);
    padding: 40px;
}

/* Filters */
.filters-bar {
    display: flex;
    gap: 15px;
    margin-bottom: 20px;
    align-items: center;
}

.search-input, .filter-select, .date-input {
    padding: 10px 15px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
}

.search-input {
    flex: 1;
    min-width: 200px;
}

.search-input:focus, .filter-select:focus, .date-input:focus {
    outline: none;
    border-color: var(--primary-color);
}

.date-range {
    display: flex;
    align-items: center;
    gap: 10px;
}

/* Recent Activity */
.recent-activity {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
}

.recent-activity h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

.activity-list {
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.activity-item {
    padding: 15px;
    background: var(--dark-bg);
    border-radius: 8px;
    border-left: 3px solid var(--primary-color);
}

/* Analytics Grid */
.analytics-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 20px;
    margin-top: 30px;
}

.analytics-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
    text-align: center;
}

.analytics-card h4 {
    color: var(--text-secondary);
    font-size: 0.9rem;
    margin-bottom: 10px;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.analytics-value {
    font-size: 2.5rem;
    font-weight: 700;
    color: var(--primary-color);
}

/* Database Tables */
.database-tables {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
    gap: 20px;
    margin-bottom: 30px;
}

.table-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
    cursor: pointer;
    transition: all 0.3s;
    text-align: center;
}

.table-card:hover {
    transform: translateY(-5px);
    border-color: var(--primary-color);
}

.table-card .material-symbols-outlined {
    font-size: 3rem;
    color: var(--primary-color);
    margin-bottom: 15px;
}

.table-card h3 {
    margin-bottom: 10px;
    font-size: 1.3rem;
}

.table-card p {
    color: var(--text-secondary);
    font-size: 0.9rem;
}

.table-editor {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
    margin-top: 30px;
}

.editor-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border-color);
}

.editor-toolbar {
    display: flex;
    gap: 10px;
    margin-bottom: 20px;
}

/* Settings */
.settings-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
    gap: 20px;
}

.settings-card {
    background: var(--card-bg);
    border-radius: 12px;
    padding: 25px;
    border: 1px solid var(--border-color);
}

.settings-card h3 {
    margin-bottom: 20px;
    font-size: 1.3rem;
}

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

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

.form-group input[type="text"],
.form-group input[type="email"],
.form-group input[type="password"],
.form-group input[type="tel"],
.form-group input[type="number"] {
    width: 100%;
    padding: 12px;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
}

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

.form-group input[type="checkbox"] {
    margin-right: 8px;
}

/* Modals */
.modal-overlay {
    display: none;
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.8);
    z-index: 1000;
}

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

.modal {
    display: none;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    background: var(--card-bg);
    border-radius: 12px;
    z-index: 1001;
    max-width: 600px;
    width: 90%;
    max-height: 90vh;
    overflow-y: auto;
    border: 1px solid var(--border-color);
}

.modal.active {
    display: block;
}

.modal-content {
    padding: 0;
}

.modal-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 25px;
    border-bottom: 1px solid var(--border-color);
}

.modal-header h2 {
    font-size: 1.5rem;
}

.modal-body {
    padding: 25px;
}

.modal-footer {
    display: flex;
    justify-content: flex-end;
    gap: 10px;
    padding: 25px;
    border-top: 1px solid var(--border-color);
}

/* Tabs */
.tabs-container {
    margin-bottom: 25px;
}

.tabs {
    display: flex;
    gap: 10px;
    border-bottom: 2px solid var(--border-color);
}

.tab-btn {
    padding: 12px 24px;
    background: transparent;
    border: none;
    color: var(--text-secondary);
    cursor: pointer;
    font-size: 1rem;
    font-weight: 500;
    border-bottom: 2px solid transparent;
    margin-bottom: -2px;
    transition: all 0.3s;
}

.tab-btn:hover {
    color: var(--text-primary);
}

.tab-btn.active {
    color: var(--primary-color);
    border-bottom-color: var(--primary-color);
}

.robot-tab-content {
    display: none;
}

.robot-tab-content.active {
    display: block;
}

textarea {
    width: 100%;
    padding: 12px;
    background: var(--dark-bg);
    border: 1px solid var(--border-color);
    border-radius: 8px;
    color: var(--text-primary);
    font-size: 1rem;
    font-family: inherit;
    resize: vertical;
}

textarea:focus {
    outline: none;
    border-color: var(--primary-color);
}

/* Responsive */
@media (max-width: 768px) {
    .sidebar {
        width: 70px;
    }

    .sidebar-header h2,
    .nav-item span:not(.material-symbols-outlined) {
        display: none;
    }

    .main-content {
        margin-left: 70px;
        padding: 15px;
    }

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

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

/* Scrollbar */
::-webkit-scrollbar {
    width: 8px;
    height: 8px;
}

::-webkit-scrollbar-track {
    background: var(--dark-bg);
}

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

::-webkit-scrollbar-thumb:hover {
    background: var(--text-secondary);
}

/* Admin login gate (before dashboard) */
.admin-login-gate {
    position: fixed;
    inset: 0;
    z-index: 100000;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, 0.92);
    padding: 1.5rem;
}

.admin-login-card {
    width: 100%;
    max-width: 420px;
    background: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
}

.admin-login-card h1 {
    font-size: 1.35rem;
    margin-bottom: 0.5rem;
    color: var(--text-primary);
}

.admin-login-hint {
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 1.25rem;
    line-height: 1.4;
}

.admin-login-hint code {
    font-size: 0.75rem;
    background: var(--darker-bg);
    padding: 0.1rem 0.35rem;
    border-radius: 4px;
}

.admin-login-card .form-group {
    margin-bottom: 1rem;
}

.admin-login-card label {
    display: block;
    font-size: 0.8rem;
    color: var(--text-secondary);
    margin-bottom: 0.35rem;
}

.admin-login-card input {
    width: 100%;
    padding: 0.65rem 0.75rem;
    border-radius: 8px;
    border: 1px solid var(--border-color);
    background: var(--darker-bg);
    color: var(--text-primary);
}

.admin-login-error {
    color: var(--danger-color);
    font-size: 0.85rem;
    margin-bottom: 0.75rem;
}

.admin-login-actions {
    display: flex;
    gap: 0.75rem;
    margin-top: 1rem;
}

.admin-login-actions .btn-primary,
.admin-login-actions .btn-secondary {
    flex: 1;
    margin: 0;
}

.modal-hint {
    font-weight: 400;
    color: var(--text-secondary);
    font-size: 0.8rem;
}