:root {
  --primary: #1a73e8;
  --primary-dark: #1557b0;
  --primary-light: #e8f0fe;
  --danger: #dc3545;
  --success: #28a745;
  --warning: #ffc107;
  --gray-50: #f8f9fa;
  --gray-100: #e9ecef;
  --gray-200: #dee2e6;
  --gray-300: #ced4da;
  --gray-500: #6c757d;
  --gray-700: #495057;
  --gray-900: #212529;
  --sidebar-width: 240px;
}

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

body {
  font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
  background: var(--gray-50);
  color: var(--gray-900);
  height: 100vh;
  overflow: hidden;
}

/* ==================== LOGIN ==================== */
.login-screen {
  display: flex;
  align-items: center;
  justify-content: center;
  height: 100vh;
  background: linear-gradient(135deg, #1a73e8 0%, #0d47a1 100%);
}

.login-card {
  background: #fff;
  border-radius: 16px;
  padding: 40px;
  width: 380px;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.login-header { text-align: center; margin-bottom: 28px; }
.login-header .login-icon { font-size: 48px; display: block; margin-bottom: 8px; }
.login-header h1 { font-size: 22px; color: var(--gray-900); }
.login-header p { font-size: 13px; color: var(--gray-500); margin-top: 4px; }

/* ==================== Layout ==================== */
.app-container { display: flex; height: 100vh; }

/* ==================== Sidebar ==================== */
.sidebar {
  width: var(--sidebar-width);
  background: var(--gray-900);
  color: #fff;
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  transition: width 0.25s ease;
  overflow: hidden;
}

.sidebar.collapsed {
  width: 56px;
}

.sidebar-header {
  padding: 12px;
  border-bottom: 1px solid rgba(255,255,255,0.1);
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  gap: 8px;
  white-space: nowrap;
  min-height: 56px;
}

.sidebar-header .icon { font-size: 24px; flex-shrink: 0; }
.sidebar-header .sidebar-title { overflow: hidden; transition: opacity 0.2s, width 0.25s; flex: 1; }
.sidebar.collapsed .sidebar-title { opacity: 0; width: 0; display: none; }
.sidebar.collapsed .sidebar-header .icon { display: none; }

.sidebar-toggle {
  background: none;
  border: none;
  color: rgba(255,255,255,0.5);
  cursor: pointer;
  font-size: 20px;
  padding: 4px;
  margin-left: auto;
  flex-shrink: 0;
  transition: color 0.2s;
  width: 32px;
  height: 32px;
  display: flex;
  align-items: center;
  justify-content: center;
}
.sidebar-toggle:hover { color: #fff; }
.sidebar.collapsed .sidebar-toggle { margin: 0 auto; }
.sidebar.collapsed .sidebar-header { justify-content: center; padding: 12px 4px; }

.sidebar-nav { flex: 1; padding: 12px 0; overflow-y: auto; }

.sidebar-footer {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding: 8px 0;
}

.user-info {
  padding: 10px 20px;
  font-size: 12px;
  color: rgba(255,255,255,0.5);
  white-space: nowrap;
  overflow: hidden;
}
.sidebar.collapsed .user-info { display: none; }

.user-info strong { color: rgba(255,255,255,0.9); font-size: 13px; display: block; }

.nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 20px;
  cursor: pointer;
  transition: background 0.2s;
  font-size: 14px;
  color: rgba(255,255,255,0.7);
  border: none;
  background: none;
  width: 100%;
  text-align: left;
  white-space: nowrap;
  overflow: hidden;
}

.sidebar.collapsed .nav-item { justify-content: center; padding: 12px; gap: 0; }
.sidebar.collapsed .nav-item span:not(.nav-icon) { display: none; }

.nav-item:hover { background: rgba(255,255,255,0.08); color: #fff; }
.nav-item.active { background: var(--primary); color: #fff; }
.nav-item .nav-icon { font-size: 18px; width: 24px; text-align: center; flex-shrink: 0; }

/* ==================== Main Content ==================== */
.main-content {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.page-header {
  padding: 20px 28px 12px;
  background: #fff;
  border-bottom: 1px solid var(--gray-200);
}

.page-header h2 { font-size: 22px; font-weight: 600; color: var(--gray-900); }
.page-header p { font-size: 13px; color: var(--gray-500); margin-top: 4px; }

.page-body { flex: 1; padding: 20px 28px; overflow-y: auto; }

.page { display: none; height: 100%; flex-direction: column; }
.page.active { display: flex; }

/* ==================== Query Loading Overlay ==================== */
.query-loading-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.45);
  z-index: 9999;
  display: none;
  align-items: center;
  justify-content: center;
}

.query-loading-box {
  background: #fff;
  border-radius: 12px;
  padding: 28px 40px;
  box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  display: flex;
  align-items: center;
  gap: 16px;
  font-size: 15px;
  font-weight: 600;
  color: var(--gray-700);
}

.query-loading-box .spinner {
  width: 24px;
  height: 24px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ==================== Cards ==================== */
.card {
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  padding: 24px;
  margin-bottom: 16px;
}

.card h3 { font-size: 16px; margin-bottom: 16px; color: var(--gray-700); }

/* ==================== Forms ==================== */
.form-group { margin-bottom: 16px; }
.form-group label {
  display: block;
  font-size: 13px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 6px;
}

.form-control {
  width: 100%;
  padding: 10px 12px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-size: 14px;
  transition: border-color 0.2s;
  font-family: inherit;
}

.form-control:focus { outline: none; border-color: var(--primary); box-shadow: 0 0 0 3px rgba(26,115,232,0.15); }

textarea.form-control { min-height: 100px; resize: vertical; font-family: 'Consolas', 'Courier New', monospace; }

.form-row { display: flex; gap: 16px; }
.form-row .form-group { flex: 1; }

/* ==================== Checkbox Grid ==================== */
.checkbox-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 6px;
  max-height: 200px;
  overflow-y: auto;
  padding: 8px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  background: #fff;
}

.checkbox-grid label {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 400;
  padding: 4px 6px;
  border-radius: 4px;
  cursor: pointer;
}

.checkbox-grid label:hover { background: var(--primary-light); }

/* ==================== Buttons ==================== */
.btn {
  padding: 9px 18px;
  border-radius: 6px;
  border: 1px solid transparent;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.2s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

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

.btn-success { background: var(--success); color: #fff; }
.btn-success:hover { background: #218838; }

.btn-danger { background: var(--danger); color: #fff; }
.btn-danger:hover { background: #c82333; }

.btn-warning { background: var(--warning); color: var(--gray-900); }
.btn-warning:hover { background: #e0a800; }

.btn-outline {
  background: #fff;
  color: var(--gray-700);
  border-color: var(--gray-300);
}
.btn-outline:hover { background: var(--gray-100); }

.btn-sm { padding: 6px 12px; font-size: 12px; }
.btn-group { display: flex; gap: 8px; flex-wrap: wrap; }

/* ==================== Tables ==================== */
.data-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}

.data-table th {
  background: var(--gray-100);
  padding: 10px 12px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  border-bottom: 2px solid var(--gray-200);
}

.data-table td {
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-100);
}

.data-table tr:hover td { background: var(--primary-light); }

/* ==================== Toasts ==================== */
.toast-container {
  position: fixed;
  top: 20px;
  right: 20px;
  z-index: 10000;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.toast {
  padding: 12px 20px;
  border-radius: 8px;
  color: #fff;
  font-size: 13px;
  font-weight: 500;
  animation: slideIn 0.3s ease;
  max-width: 400px;
  box-shadow: 0 4px 12px rgba(0,0,0,0.15);
}

.toast-success { background: var(--success); }
.toast-error { background: var(--danger); }
.toast-info { background: var(--primary); }

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

/* ==================== Query List ==================== */
.query-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  margin-bottom: 8px;
  background: #fff;
  transition: all 0.2s;
}

.query-list-item:hover { border-color: var(--primary); box-shadow: 0 2px 8px rgba(26,115,232,0.1); }

.query-list-item .query-info { flex: 1; }
.query-list-item .query-name { font-weight: 600; font-size: 14px; }
.query-list-item .query-desc { font-size: 12px; color: var(--gray-500); margin-top: 2px; }
.query-list-item .query-category {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-top: 4px;
}

.query-list-item .query-chart-badge {
  display: inline-block;
  background: #fff3cd;
  color: #856404;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
  margin-top: 4px;
  margin-left: 4px;
}

.query-list-item .query-ai-badge {
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  color: #fff;
}

.query-list-item .query-actions { display: flex; gap: 6px; }

/* Query List Toolbar */
.query-list-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 16px;
  gap: 12px;
  flex-wrap: wrap;
}

.query-list-filters {
  display: flex;
  gap: 8px;
  align-items: center;
}

.query-list-filters .form-control { margin-bottom: 0; }

/* Category list */
.category-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  margin-bottom: 6px;
  background: #fff;
  font-size: 14px;
  font-weight: 500;
  transition: all 0.2s;
}

.category-item:hover { border-color: var(--primary); }
.category-item .category-count {
  font-size: 12px;
  color: var(--gray-500);
  margin-left: 8px;
}

/* Query group header in execute page */
.query-group-header {
  font-size: 11px;
  font-weight: 700;
  color: var(--gray-500);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  padding: 6px 12px 2px;
  pointer-events: none;
}

/* ==================== SQL Editor ==================== */
.sql-editor {
  width: 100%;
  min-height: 120px;
  padding: 12px;
  border: 1px solid var(--gray-300);
  border-radius: 6px;
  font-family: 'Consolas', 'Courier New', monospace;
  font-size: 13px;
  resize: vertical;
  background: #1e1e1e;
  color: #d4d4d4;
  line-height: 1.5;
}

.sql-editor:focus { outline: none; border-color: var(--primary); }

/* ==================== Result area ==================== */
.result-toolbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 0;
  flex-wrap: wrap;
  gap: 8px;
  overflow: visible;
  position: relative;
  z-index: 10;
}

.result-info { font-size: 13px; color: var(--gray-500); }

/* ==================== AG Grid ==================== */
.ag-theme-alpine {
  --ag-header-background-color: #f0f2f5;
  --ag-odd-row-background-color: #fafbfc;
  --ag-row-hover-color: #e8f0fe;
  --ag-font-size: 13px;
}

.grid-container {
  flex: 1;
  min-height: 200px;
  width: 100%;
  border-radius: 8px;
  overflow: hidden;
  border: 1px solid var(--gray-200);
}

/* Result page body: flex column to stretch grid */
#page-result .page-body {
  display: flex;
  flex-direction: column;
  overflow: visible;
  overflow-y: visible;
  padding-bottom: 12px;
}

#page-result .grid-container {
  flex: 1;
  min-height: 200px;
  overflow: hidden;
}

/* ==================== Column Visibility Panel ==================== */
.column-panel-toggle {
  position: relative;
}

.column-panel {
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 5000;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  width: 280px;
  max-height: 400px;
  display: none;
  flex-direction: column;
}

.column-panel.show { display: flex; }

.column-panel-header {
  padding: 12px 16px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 13px;
  font-weight: 600;
}

.column-panel-header .btn-group { gap: 4px; }

.column-panel-search {
  padding: 8px 12px;
  border-bottom: 1px solid var(--gray-100);
}

.column-panel-search input {
  width: 100%;
  padding: 6px 10px;
  border: 1px solid var(--gray-300);
  border-radius: 4px;
  font-size: 12px;
}

.column-panel-search input:focus { outline: none; border-color: var(--primary); }

.column-panel-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 0;
}

.column-panel-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 6px 16px;
  font-size: 13px;
  cursor: pointer;
  transition: background 0.15s;
}

.column-panel-item:hover { background: var(--primary-light); }

.column-panel-item input[type="checkbox"] { cursor: pointer; }

/* ==================== Chart ==================== */
.chart-config {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
}

.chart-config .form-group { margin-bottom: 0; min-width: 150px; }
.chart-config select { padding: 8px 10px; }

.chart-canvas-wrapper { position: relative; }

/* Chart page: flex to fill space */
#page-chart .page-body { display: flex; flex-direction: column; }
#page-chart .chart-canvas-wrapper { flex: 1; min-height: 300px; }

/* Multi-series Y axis */
.chart-multi-y {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px 0;
}

.chart-multi-y .chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--primary-light);
  color: var(--primary);
  border-radius: 12px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid transparent;
}

.chart-multi-y .chip:hover { border-color: var(--primary); }
.chart-multi-y .chip.active { background: var(--primary); color: #fff; }
.chart-multi-y .chip .chip-remove { font-size: 14px; margin-left: 2px; }

/* ==================== Modal ==================== */
.modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.5);
  z-index: 5000;
  display: none;
  align-items: center;
  justify-content: center;
}

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

.modal {
  background: #fff;
  border-radius: 12px;
  width: 90%;
  max-width: 600px;
  max-height: 90vh;
  overflow-y: auto;
  box-shadow: 0 20px 60px rgba(0,0,0,0.3);
}

.modal-header {
  padding: 20px 24px;
  border-bottom: 1px solid var(--gray-200);
  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(--gray-500);
  padding: 0 4px;
}

.modal-body { padding: 24px; }
.modal-footer { padding: 16px 24px; border-top: 1px solid var(--gray-200); display: flex; justify-content: flex-end; gap: 8px; }

/* ==================== User List ==================== */
.user-list-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  margin-bottom: 8px;
  background: #fff;
  transition: all 0.2s;
}

.user-list-item:hover { border-color: var(--primary); }

.user-list-item .user-info-card { flex: 1; }
.user-list-item .user-display-name { font-weight: 600; font-size: 14px; }
.user-list-item .user-meta { font-size: 12px; color: var(--gray-500); margin-top: 2px; }

.badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 11px;
  font-weight: 600;
}

.badge-admin { background: #f3e5f5; color: #7b1fa2; }
.badge-user { background: var(--primary-light); color: var(--primary); }
.badge-inactive { background: #ffebee; color: #c62828; }

/* ==================== Instructions Box ==================== */
.instructions-box {
  background: #e8f5e9;
  border: 1px solid #a5d6a7;
  border-radius: 8px;
  padding: 14px 18px;
  margin-bottom: 16px;
  font-size: 13px;
  line-height: 1.6;
  color: #2e7d32;
  white-space: pre-wrap;
}

.instructions-header {
  font-weight: 700;
  font-size: 13px;
  margin-bottom: 6px;
  color: #1b5e20;
}

/* ==================== Spinner ==================== */
.spinner {
  display: inline-block;
  width: 20px;
  height: 20px;
  border: 3px solid var(--gray-200);
  border-top-color: var(--primary);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}

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

/* ==================== AI Panel ==================== */
.ai-panel-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,0.4);
  z-index: 6000;
  display: none;
  align-items: stretch;
  justify-content: flex-end;
}

.ai-panel-overlay.show { display: flex; }

.ai-panel {
  width: 1200px;
  max-width: 96vw;
  background: #fff;
  display: flex;
  flex-direction: column;
  box-shadow: -4px 0 24px rgba(0,0,0,0.2);
  animation: slideInRight 0.3s ease;
}

@keyframes slideInRight {
  from { transform: translateX(100%); }
  to { transform: translateX(0); }
}

.ai-panel-header {
  padding: 16px 20px;
  border-bottom: 1px solid var(--gray-200);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: linear-gradient(135deg, #7c3aed11, #2563eb11);
}

.ai-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 700;
  color: var(--gray-900);
}

.ai-provider-badge {
  font-size: 11px;
  padding: 2px 8px;
  border-radius: 10px;
  background: linear-gradient(135deg, #7c3aed, #2563eb);
  color: #fff;
  font-weight: 600;
}

.ai-panel-messages {
  flex: 1;
  overflow-y: auto;
  padding: 20px 24px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.ai-welcome {
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: 16px;
  font-size: 13px;
  color: var(--gray-700);
  text-align: center;
}

.ai-msg {
  max-width: 98%;
  padding: 14px 18px;
  border-radius: 12px;
  font-size: 14.5px;
  line-height: 1.75;
  word-wrap: break-word;
}

.ai-msg-user {
  align-self: flex-end;
  background: var(--primary);
  color: #fff;
  border-bottom-right-radius: 4px;
}

.ai-msg-ai {
  align-self: flex-start;
  background: var(--gray-50);
  border: 1px solid var(--gray-200);
  color: var(--gray-900);
  border-bottom-left-radius: 4px;
  max-width: 100%;
}

.ai-msg-ai h1, .ai-msg-ai h2, .ai-msg-ai h3, .ai-msg-ai h4 {
  margin: 8px 0 4px;
  font-size: 14px;
}

.ai-msg-ai h1 { font-size: 16px; }
.ai-msg-ai h2 { font-size: 15px; }

.ai-msg-ai p { margin: 4px 0; }

.ai-msg-ai ul, .ai-msg-ai ol {
  padding-left: 20px;
  margin: 4px 0;
}

.ai-msg-ai li { margin: 2px 0; }

.ai-msg-ai strong { color: var(--primary-dark); }

.ai-msg-ai code {
  background: #e8e8e8;
  padding: 1px 5px;
  border-radius: 3px;
  font-size: 12px;
}

.ai-msg-ai pre {
  background: #1e1e1e;
  color: #d4d4d4;
  padding: 10px;
  border-radius: 6px;
  overflow-x: auto;
  font-size: 12px;
  margin: 6px 0;
}

.ai-msg-ai pre code {
  background: none;
  padding: 0;
  color: inherit;
}

.ai-msg-ai table {
  width: 100%;
  border-collapse: collapse;
  margin: 6px 0;
  font-size: 12px;
}

.ai-msg-ai table th, .ai-msg-ai table td {
  border: 1px solid var(--gray-200);
  padding: 4px 8px;
  text-align: left;
}

.ai-msg-ai table th {
  background: var(--gray-100);
  font-weight: 600;
}

.ai-chart-wrapper {
  margin: 12px 0;
  padding: 16px;
  background: #fff;
  border-radius: 8px;
  border: 1px solid var(--gray-200);
  max-height: 600px;
  position: relative;
}

.ai-chart-wrapper canvas {
  max-height: 560px;
  width: 100% !important;
}

.ai-chart-error {
  color: #c62828;
  background: #ffebee;
  border: 1px solid #ef9a9a;
  padding: 8px 12px;
  border-radius: 6px;
  font-size: 12px;
}

.ai-msg-loading {
  align-self: flex-start;
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--gray-500);
  font-size: 13px;
  padding: 12px 16px;
}

.ai-msg-info {
  align-self: center;
  background: #e8f5e9;
  border: 1px solid #a5d6a7;
  color: #2e7d32;
  padding: 6px 14px;
  border-radius: 12px;
  font-size: 11.5px;
  text-align: center;
}

.ai-msg-error {
  align-self: flex-start;
  background: #ffebee;
  border: 1px solid #ef9a9a;
  color: #c62828;
  padding: 12px 16px;
  border-radius: 8px;
  font-size: 13px;
}

.ai-panel-input {
  border-top: 1px solid var(--gray-200);
  padding: 16px 20px;
  background: #fff;
  overflow: visible;
  position: relative;
  z-index: 10;
}

.ai-quick-actions {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
  overflow: visible;
}

.ai-quick-actions .btn-sm {
  height: 32px;
  line-height: 1;
  white-space: nowrap;
}

.ai-input-row {
  display: flex;
  gap: 8px;
}

.ai-input-row .form-control { margin-bottom: 0; flex: 1; }

.ai-provider-config { margin-bottom: 8px; }

/* ==================== SQL Params ==================== */
.sql-params-panel {
  background: #f0f4ff;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  margin: 8px 0 0 0;
  padding: 12px 16px;
}

.sql-params-header {
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  margin-bottom: 8px;
}

.sql-params-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.sql-param-field {
  flex: 1 1 180px;
  max-width: 220px;
}

.sql-param-field label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--gray-700);
  margin-bottom: 4px;
}

.sql-param-field .form-control {
  width: 100%;
  font-size: 13px;
  padding: 6px 10px;
}

/* ==================== Data Summary ==================== */
.data-summary-panel {
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  margin: 0 0 8px 0;
  padding: 16px;
  box-shadow: 0 2px 8px rgba(0,0,0,0.06);
  max-height: 400px;
  overflow-y: auto;
}

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

.summary-header h3 {
  margin: 0;
  font-size: 15px;
  color: var(--gray-800);
}

.summary-general {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.summary-stat {
  background: linear-gradient(135deg, #f8f9ff, #eef2ff);
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  padding: 12px 20px;
  display: flex;
  flex-direction: column;
  align-items: center;
  min-width: 120px;
}

.summary-stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--primary);
}

.summary-stat-label {
  font-size: 11px;
  color: var(--gray-500);
  margin-top: 2px;
}

.summary-section {
  margin-bottom: 12px;
}

.summary-section h4 {
  font-size: 13px;
  color: var(--gray-700);
  margin: 0 0 8px 0;
  padding-bottom: 4px;
  border-bottom: 1px solid var(--gray-200);
}

.summary-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
}

.summary-table th {
  background: var(--gray-100);
  padding: 6px 10px;
  text-align: left;
  font-weight: 600;
  color: var(--gray-700);
  border-bottom: 2px solid var(--gray-200);
}

.summary-table td {
  padding: 5px 10px;
  border-bottom: 1px solid var(--gray-100);
  color: var(--gray-700);
}

.summary-table tr:hover td {
  background: var(--gray-50);
}

/* ==================== Dynamic View ==================== */
#page-dynview .page-body {
  display: flex;
  flex-direction: column;
  overflow: visible;
  overflow-y: visible;
  padding-bottom: 12px;
}

.dynview-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 8px;
  border: 1px solid var(--gray-200);
  border-radius: 6px;
  background: #fff;
  min-height: 40px;
  max-height: 160px;
  overflow-y: auto;
}

.dynview-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 4px 10px;
  background: var(--gray-100);
  color: var(--gray-600);
  border-radius: 12px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: all 0.15s;
  border: 1px solid var(--gray-200);
  user-select: none;
}

.dynview-chip:hover {
  border-color: var(--primary);
  color: var(--primary);
}

.dynview-chip.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  font-weight: 600;
}

.dynview-measure-row {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-bottom: 6px;
}

.dynview-measure-row select {
  font-size: 12px;
  padding: 6px 8px;
}

.dynview-measure-row .btn-sm {
  padding: 4px 8px;
  font-size: 11px;
}

/* Column rename button */
.column-panel-item {
  display: flex;
  align-items: center;
  gap: 6px;
}

.col-rename-btn {
  cursor: pointer;
  font-size: 13px;
  color: var(--gray-400);
  padding: 2px 4px;
  border-radius: 4px;
  transition: all 0.15s;
  flex-shrink: 0;
}

.col-rename-btn:hover {
  color: var(--primary);
  background: var(--primary-light);
}

/* ==================== Layout Dropdown ==================== */
.layout-dropdown-toggle { display: inline-block; }

.layout-dropdown {
  display: none;
  position: absolute;
  top: 100%;
  left: 0;
  z-index: 5000;
  background: #fff;
  border: 1px solid var(--gray-200);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,0.15);
  min-width: 280px;
  max-height: 400px;
  overflow: hidden;
}

.layout-dropdown.show { display: block; }

.layout-dropdown-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 12px;
  border-bottom: 1px solid var(--gray-100);
  font-weight: 600;
  font-size: 13px;
}

.layout-dropdown-list {
  max-height: 260px;
  overflow-y: auto;
  padding: 4px 0;
}

.layout-dropdown-item {
  display: flex;
  align-items: center;
  padding: 8px 12px;
  cursor: pointer;
  transition: background 0.15s;
  gap: 8px;
  font-size: 13px;
}

.layout-dropdown-item:hover { background: var(--gray-50); }

.layout-dropdown-item .layout-name {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.layout-dropdown-item .layout-badge {
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  background: var(--primary-light);
  color: var(--primary);
  white-space: nowrap;
}

.layout-dropdown-item .layout-badge.public {
  background: #dcfce7;
  color: #16a34a;
}

.layout-dropdown-item .layout-delete {
  color: var(--gray-300);
  cursor: pointer;
  font-size: 16px;
  padding: 0 4px;
  border-radius: 4px;
  transition: all 0.15s;
  flex-shrink: 0;
}

.layout-dropdown-item .layout-delete:hover {
  color: var(--danger);
  background: #fee2e2;
}

.layout-dropdown-footer {
  padding: 8px 12px;
  border-top: 1px solid var(--gray-100);
}

/* AI panel dropdown opens upward to avoid clipping */
.ai-quick-actions .layout-dropdown {
  top: auto;
  bottom: 100%;
  margin-bottom: 4px;
}

/* ==================== Responsive ==================== */
@media (max-width: 768px) {
  .sidebar { width: 56px; }
  .sidebar.collapsed { width: 56px; }
  .sidebar-header span:not(.icon), .sidebar-title, .nav-item span:not(.nav-icon), .user-info { display: none; }
  .sidebar-toggle { display: none; }
  .nav-item { justify-content: center; padding: 12px; }
  .form-row { flex-direction: column; }
  .page-header { padding: 12px 16px 8px; }
  .page-body { padding: 0 12px 12px; }
  .result-toolbar { flex-direction: column; gap: 8px; }
  .btn-group { flex-wrap: wrap; }
  .ai-panel { width: 100%; right: 0; }
}

@media (max-width: 480px) {
  .login-card { width: 95%; padding: 24px; }
  .modal { margin: 8px; max-width: calc(100vw - 16px) !important; }
}