/* ===================================
   HAProxy Configuration Manager Styles
   =================================== */

:root {
    --primary: #4f46e5;
    --primary-hover: #4338ca;
    --success: #10b981;
    --success-hover: #059669;
    --warning: #f59e0b;
    --danger: #ef4444;
    --info: #3b82f6;
    
    --bg-primary: #ffffff;
    --bg-secondary: #f8fafc;
    --bg-sidebar: #1e293b;
    --bg-sidebar-hover: #334155;
    
    --text-primary: #1e293b;
    --text-secondary: #64748b;
    --text-muted: #94a3b8;
    --text-sidebar: #cbd5e1;
    --text-sidebar-active: #ffffff;
    
    --border-color: #e2e8f0;
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, 0.05);
    --shadow-md: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    --shadow-lg: 0 10px 15px -3px rgba(0, 0, 0, 0.1);
    
    --radius: 8px;
    --sidebar-width: 260px;
}

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

body {
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: var(--bg-secondary);
    color: var(--text-primary);
    display: flex;
    min-height: 100vh;
}

/* ==================== SIDEBAR ==================== */
.sidebar {
    width: var(--sidebar-width);
    background: var(--bg-sidebar);
    color: var(--text-sidebar);
    display: flex;
    flex-direction: column;
    position: fixed;
    top: 0;
    left: 0;
    bottom: 0;
    z-index: 100;
    transition: transform 0.3s ease;
}

.sidebar-header {
    padding: 24px 20px;
    font-size: 18px;
    font-weight: 700;
    color: var(--text-sidebar-active);
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    display: flex;
    align-items: center;
    gap: 12px;
}

.sidebar-header i {
    font-size: 24px;
    color: var(--primary);
}

.sidebar-nav {
    flex: 1;
    padding: 16px 0;
}

.nav-item {
    display: flex;
    align-items: center;
    gap: 12px;
    padding: 12px 20px;
    color: var(--text-sidebar);
    text-decoration: none;
    transition: all 0.2s ease;
    border-left: 3px solid transparent;
}

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

.nav-item.active {
    background: rgba(79, 70, 229, 0.15);
    color: var(--text-sidebar-active);
    border-left-color: var(--primary);
}

.sidebar-footer {
    padding: 16px 20px;
    border-top: 1px solid rgba(255, 255, 255, 0.1);
}

.btn-block {
    width: 100%;
    margin-bottom: 12px;
}

.server-status {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    background: rgba(255, 255, 255, 0.05);
    border-radius: var(--radius);
    font-size: 13px;
}

.status-dot {
    width: 8px;
    height: 8px;
    border-radius: 50%;
    background: var(--text-muted);
}

.status-connecting .status-dot {
    background: var(--warning);
    animation: pulse 1.5s infinite;
}

.status-connected .status-dot {
    background: var(--success);
}

.status-disconnected .status-dot {
    background: var(--danger);
}

@keyframes pulse {
    0%, 100% { opacity: 1; }
    50% { opacity: 0.4; }
}

/* ==================== MAIN CONTENT ==================== */
.main-content {
    flex: 1;
    margin-left: var(--sidebar-width);
    min-height: 100vh;
}

.topbar {
    background: var(--bg-primary);
    padding: 16px 24px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    position: sticky;
    top: 0;
    z-index: 50;
}

.menu-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 20px;
    cursor: pointer;
    color: var(--text-primary);
    padding: 4px 8px;
}

.page-title {
    font-size: 22px;
    font-weight: 600;
}

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

/* ==================== BUTTONS ==================== */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 10px 18px;
    border: none;
    border-radius: var(--radius);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all 0.2s ease;
    text-decoration: none;
}

.btn:hover {
    transform: translateY(-1px);
    box-shadow: var(--shadow-md);
}

.btn:active {
    transform: translateY(0);
}

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

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

.btn-warning {
    background: var(--warning);
    color: #1e293b;
}

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

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

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

.btn-sm {
    padding: 6px 12px;
    font-size: 13px;
}

.btn-danger {
    background: var(--danger);
    color: white;
}
.btn-danger:hover {
    background: #dc2626;
}

/* ==================== CARDS ==================== */
.card {
    background: var(--bg-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
    margin-bottom: 20px;
}

.card-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
    flex-wrap: wrap;
    gap: 12px;
}

.card-header h3 {
    font-size: 16px;
    font-weight: 600;
    display: flex;
    align-items: center;
    gap: 8px;
}

.card-body {
    padding: 20px;
}

/* ==================== STATS GRID ==================== */
.stats-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 16px;
    margin-bottom: 24px;
}

.stat-card {
    background: var(--bg-primary);
    border-radius: var(--radius);
    padding: 20px;
    display: flex;
    align-items: center;
    gap: 16px;
    box-shadow: var(--shadow-sm);
    border: 1px solid var(--border-color);
}

.stat-icon {
    width: 48px;
    height: 48px;
    border-radius: var(--radius);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: white;
}

.stat-icon.blue { background: var(--primary); }
.stat-icon.green { background: var(--success); }
.stat-icon.orange { background: var(--warning); }
.stat-icon.purple { background: #8b5cf6; }

.stat-value {
    display: block;
    font-size: 28px;
    font-weight: 700;
    line-height: 1;
}

.stat-label {
    display: block;
    font-size: 13px;
    color: var(--text-secondary);
    margin-top: 4px;
}

/* ==================== DASHBOARD ==================== */
.dashboard-sections {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(400px, 1fr));
    gap: 20px;
}

.quick-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
}

.audit-log {
    max-height: 300px;
    overflow-y: auto;
}

.audit-entry {
    padding: 8px 12px;
    border-bottom: 1px solid var(--border-color);
    font-size: 13px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.audit-entry:last-child {
    border-bottom: none;
}

.audit-time {
    color: var(--text-muted);
    white-space: nowrap;
}

.audit-action {
    font-weight: 500;
    color: var(--primary);
}

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

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

.table th, .table td {
    padding: 12px 16px;
    text-align: left;
    border-bottom: 1px solid var(--border-color);
}

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

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

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

.text-center { text-align: center; }
.text-muted { color: var(--text-muted); }
.text-success { color: var(--success); }
.text-danger { color: var(--danger); }

/* Status badge */
.status-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 4px 10px;
    border-radius: 20px;
    font-size: 12px;
    font-weight: 500;
}

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

.status-badge.disabled {
    background: #fee2e2;
    color: #991b1b;
}

/* ==================== FORMS ==================== */
.form-grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
    margin-bottom: 20px;
}

.form-group {
    display: flex;
    flex-direction: column;
    gap: 6px;
}

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

.form-group label {
    font-size: 13px;
    font-weight: 600;
    color: var(--text-secondary);
}

.form-control {
    padding: 10px 14px;
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    font-size: 14px;
    transition: border-color 0.2s ease;
    background: white;
}

.form-control:focus {
    outline: none;
    border-color: var(--primary);
    box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.1);
}

select.form-control {
    cursor: pointer;
}

textarea.form-control {
    min-height: 80px;
    resize: vertical;
    font-family: 'Consolas', 'Monaco', monospace;
    font-size: 13px;
}

.form-actions {
    display: flex;
    gap: 10px;
    margin-top: 16px;
}

/* ==================== SECTION DIVIDER ==================== */
.section-divider {
    height: 1px;
    background: var(--border-color);
    margin: 24px 0;
}

/* ==================== RULES CONTAINER ==================== */
.rules-container, .servers-container {
    margin-top: 16px;
}

.rule-item, .server-item {
    background: var(--bg-secondary);
    border: 1px solid var(--border-color);
    border-radius: var(--radius);
    padding: 16px;
    margin-bottom: 12px;
}

.rule-item .form-grid-2, .server-item .form-grid-2 {
    margin-bottom: 0;
}

.rule-actions, .server-actions {
    display: flex;
    gap: 8px;
    margin-top: 12px;
    justify-content: flex-end;
}

/* ==================== MODAL ==================== */
.modal-overlay {
    position: fixed;
    inset: 0;
    background: rgba(0, 0, 0, 0.5);
    display: flex;
    align-items: center;
    justify-content: center;
    z-index: 1000;
}

.modal-overlay.hidden {
    display: none !important;
}

.modal {
    background: var(--bg-primary);
    border-radius: var(--radius);
    box-shadow: var(--shadow-lg);
    width: 90%;
    max-width: 500px;
    max-height: 80vh;
    display: flex;
    flex-direction: column;
}

.modal-lg {
    max-width: 900px;
    width: 95%;
}

.modal-header {
    padding: 16px 20px;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.modal-header h3 {
    font-size: 18px;
}

.modal-close {
    background: none;
    border: none;
    font-size: 24px;
    cursor: pointer;
    color: var(--text-secondary);
    padding: 0 4px;
}

.modal-body {
    padding: 20px;
    overflow-y: auto;
    flex: 1;
}

.modal-footer {
    padding: 16px 20px;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: 10px;
}

/* ==================== CONFIG PREVIEW ==================== */
.config-preview {
    background: #1e293b;
    color: #e2e8f0;
    padding: 20px;
    border-radius: var(--radius);
    overflow-x: auto;
    font-size: 13px;
    line-height: 1.6;
    max-height: 60vh;
    overflow-y: auto;
    white-space: pre;
}

/* ==================== TOAST ==================== */
.toast-container {
    position: fixed;
    top: 20px;
    right: 20px;
    z-index: 2000;
    display: flex;
    flex-direction: column;
    gap: 10px;
}

.toast {
    padding: 14px 20px;
    border-radius: var(--radius);
    color: white;
    font-size: 14px;
    box-shadow: var(--shadow-lg);
    display: flex;
    align-items: center;
    gap: 10px;
    animation: slideIn 0.3s ease;
    min-width: 300px;
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--info); }
.toast-warning { background: var(--warning); color: #1e293b; }

@keyframes slideIn {
    from { transform: translateX(100%); opacity: 0; }
    to { transform: translateX(0); opacity: 1; }
}

/* ==================== LOADING SPINNER ==================== */
.loading-spinner {
    display: inline-block;
    width: 20px;
    height: 20px;
    border: 2px solid var(--border-color);
    border-top-color: var(--primary);
    border-radius: 50%;
    animation: spin 0.8s linear infinite;
}

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

/* ==================== PAGE VISIBILITY ==================== */
.page {
    display: none;
    padding: 24px;
}

.page.active {
    display: block;
}

/* ==================== RESPONSIVE ==================== */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
    }
    
    .sidebar.open {
        transform: translateX(0);
    }
    
    .main-content {
        margin-left: 0;
    }
    
    .menu-toggle {
        display: block;
    }
    
    .form-grid-2 {
        grid-template-columns: 1fr;
    }
    
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    
    .dashboard-sections {
        grid-template-columns: 1fr;
    }
    
    .modal {
        width: 95%;
        margin: 20px;
    }
}

/* ==================== TOGGLE SWITCH ==================== */
.toggle-switch {
    position: relative;
    display: inline-block;
    width: 44px;
    height: 24px;
}

.toggle-switch input {
    opacity: 0;
    width: 0;
    height: 0;
}

.toggle-slider {
    position: absolute;
    cursor: pointer;
    inset: 0;
    background: var(--border-color);
    border-radius: 24px;
    transition: 0.3s;
}

.toggle-slider:before {
    content: "";
    position: absolute;
    height: 18px;
    width: 18px;
    left: 3px;
    bottom: 3px;
    background: white;
    border-radius: 50%;
    transition: 0.3s;
}

.toggle-switch input:checked + .toggle-slider {
    background: var(--success);
}

.toggle-switch input:checked + .toggle-slider:before {
    transform: translateX(20px);
}

/* ==================== EMPTY STATE ==================== */
.empty-state {
    text-align: center;
    padding: 40px 20px;
    color: var(--text-muted);
}

.empty-state i {
    font-size: 48px;
    margin-bottom: 16px;
}

/* ==================== ACTION BUTTONS IN TABLES ==================== */
.table-actions {
    display: flex;
    gap: 6px;
}

.btn-icon {
    width: 32px;
    height: 32px;
    padding: 0;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    border-radius: 6px;
    border: none;
    cursor: pointer;
    transition: all 0.2s ease;
    font-size: 14px;
}

.btn-icon:hover {
    transform: scale(1.1);
}

.btn-edit { background: #dbeafe; color: var(--primary); }
.btn-delete { background: #fee2e2; color: var(--danger); }
.btn-toggle { background: #d1fae5; color: var(--success); }