/* =========================
   CSS VARIABLES & DARK MODE
   ========================= */

:root {
  --bg-primary: #f8fafc;
  --bg-secondary: #fff;
  --bg-tertiary: #f1f5f9;
  --text-primary: #0c1b2a;
  --text-secondary: #334155;
  --text-muted: #64748b;
  --text-light: #94a3b8;
  --border-color: #e2e8f0;
  --border-light: #f1f5f9;
  --accent-primary: #0d6efd;
  --accent-secondary: #6366f1;
  --success: #22c55e;
  --warning: #f59e0b;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.08);
  --gradient-primary: linear-gradient(135deg, #0d6efd 0%, #6366f1 100%);
}

[data-theme="dark"] {
  --bg-primary: #0f172a;
  --bg-secondary: #1e293b;
  --bg-tertiary: #334155;
  --text-primary: #f1f5f9;
  --text-secondary: #e2e8f0;
  --text-muted: #94a3b8;
  --text-light: #64748b;
  --border-color: #334155;
  --border-light: #475569;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
  --shadow-md: 0 4px 12px rgba(0,0,0,0.4);
}

/* =========================
   DASHBOARD LAYOUT
   ========================= */

body {
  background: var(--bg-primary);
  min-height: 100vh;
  color: var(--text-primary);
  transition: background 0.3s ease, color 0.3s ease;
}

.dashboard-nav {
  background: var(--bg-secondary) !important;
  transition: background 0.3s ease;
}

[data-theme="dark"] .btn-light {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] .btn-light:hover {
  background: var(--border-light);
}

[data-theme="dark"] .dropdown-menu {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .dropdown-item {
  color: var(--text-secondary);
}

[data-theme="dark"] .dropdown-item:hover {
  background: var(--bg-tertiary);
}

[data-theme="dark"] .modal-content {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

[data-theme="dark"] .modal-header,
[data-theme="dark"] .modal-footer {
  border-color: var(--border-color);
}

[data-theme="dark"] .form-control,
[data-theme="dark"] .form-select {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] .form-control:focus,
[data-theme="dark"] .form-select:focus {
  background: var(--bg-tertiary);
  border-color: var(--accent-primary);
  color: var(--text-primary);
}

[data-theme="dark"] .card {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

.dashboard-container {
  display: flex;
  min-height: calc(100vh - 60px);
}

/* SIDEBAR */
.sidebar {
  width: 280px;
  background: var(--bg-secondary);
  border-right: 1px solid var(--border-color);
  padding: 20px;
  overflow-y: auto;
  flex-shrink: 0;
  transition: background 0.3s ease, border 0.3s ease;
}

.sidebar-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 16px;
}

.sidebar-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-muted);
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

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

/* Query Search */
.query-search input {
  background: var(--bg-tertiary);
  border: 1px solid var(--border-color);
  color: var(--text-primary);
  font-size: 12px;
}

.query-search input:focus {
  background: var(--bg-secondary);
  border-color: var(--accent-primary);
}

.query-search input::placeholder {
  color: var(--text-light);
}

/* Chat List */
.chat-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 320px;
  overflow-y: auto;
}

.chat-list::-webkit-scrollbar {
  width: 4px;
}

.chat-list::-webkit-scrollbar-thumb {
  background: var(--text-light);
  border-radius: 4px;
}

.chat-list-item {
  padding: 12px 14px;
  border-radius: 10px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  display: flex;
  align-items: flex-start;
  gap: 12px;
  background: var(--bg-tertiary);
  border: 1px solid transparent;
  position: relative;
}

.chat-list-item:hover {
  background: var(--border-color);
  border-color: var(--border-color);
  transform: translateX(2px);
}

.chat-list-item.active {
  background: linear-gradient(135deg, #eff6ff 0%, #e0e7ff 100%);
  border-color: #818cf8;
  color: #3730a3;
}

[data-theme="dark"] .chat-list-item.active {
  background: linear-gradient(135deg, #1e3a5f 0%, #312e81 100%);
  color: #c7d2fe;
}

.chat-list-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 3px;
  height: 60%;
  background: #6366f1;
  border-radius: 0 3px 3px 0;
}

.chat-list-item i {
  color: var(--text-light);
  font-size: 16px;
  margin-top: 2px;
  flex-shrink: 0;
}

.chat-list-item.active i {
  color: #6366f1;
}

/* Favorite Button */
.chat-favorite-btn {
  background: none;
  border: none;
  padding: 2px 4px;
  cursor: pointer;
  color: var(--text-light);
  transition: all 0.2s ease;
  margin-left: auto;
  flex-shrink: 0;
}

.chat-favorite-btn:hover {
  color: #f59e0b;
  transform: scale(1.2);
}

.chat-favorite-btn.favorited {
  color: #f59e0b;
}

.chat-list-item-content {
  flex: 1;
  min-width: 0;
}

.chat-list-item-title {
  font-weight: 500;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: 2px;
}

.chat-list-item-date {
  font-size: 11px;
  color: var(--text-light);
}

.chat-list-empty {
  padding: 30px 20px;
  text-align: center;
  color: var(--text-light);
  font-size: 13px;
  background: var(--bg-tertiary);
  border-radius: 10px;
  margin-top: 8px;
}

.chat-list-empty i {
  font-size: 24px;
  display: block;
  margin-bottom: 8px;
  color: var(--text-light);
}

/* Query List */
.query-list {
  list-style: none;
  padding: 0;
  margin: 0;
  max-height: 200px;
  overflow-y: auto;
}

.query-list-item {
  padding: 10px 12px;
  border-radius: 6px;
  cursor: pointer;
  transition: all 0.2s ease;
  margin-bottom: 4px;
  font-size: 13px;
  color: #64748b;
  border-left: 3px solid transparent;
}

.query-list-item:hover {
  background: #f8fafc;
  border-left-color: #0d6efd;
}

.query-list-item .query-date {
  font-size: 11px;
  color: #94a3b8;
  display: block;
  margin-top: 4px;
}

/* MAIN CONTENT */
.main-content {
  flex: 1;
  padding: 24px;
  overflow-y: auto;
}

/* STATS ROW */
.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 16px;
}

.stat-box {
  background: #fff;
  border-radius: 12px;
  padding: 20px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
  border: 1px solid #e2e8f0;
  transition: all 0.2s ease;
}

.stat-box:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.08);
  transform: translateY(-2px);
}

.stat-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
}

.stat-value {
  font-size: 28px;
  font-weight: 700;
  color: #0c1b2a;
  line-height: 1;
}

.stat-label {
  font-size: 13px;
  color: #64748b;
  margin-top: 4px;
}

/* TABS */
.dashboard-tabs {
  border-bottom: 2px solid #e2e8f0;
  margin-bottom: 0;
}

.dashboard-tabs .nav-link {
  border: none;
  color: #64748b;
  font-weight: 500;
  padding: 12px 20px;
  border-radius: 8px 8px 0 0;
  transition: all 0.2s ease;
}

.dashboard-tabs .nav-link:hover {
  color: #0d6efd;
  background: #f8fafc;
}

.dashboard-tabs .nav-link.active {
  color: #0d6efd;
  background: #fff;
  border: 2px solid #e2e8f0;
  border-bottom: 2px solid #fff;
  margin-bottom: -2px;
}

.tab-content {
  background: #fff;
  border: 2px solid #e2e8f0;
  border-top: none;
  border-radius: 0 0 12px 12px;
  min-height: 500px;
}

/* =========================
   CHAT PANEL
   ========================= */

.chat-container {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 550px;
}

.chat-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 16px 20px;
  border-bottom: 1px solid #e2e8f0;
  background: #fafbfc;
}

.chat-status-dot {
  width: 8px;
  height: 8px;
  background: #22c55e;
  border-radius: 50%;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.5; }
}

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

.chat-window {
  flex: 1;
  padding: 20px;
  overflow-y: auto;
  background: #f8fafc;
}

.chat-welcome {
  text-align: center;
  padding: 60px 40px;
}

.welcome-icon {
  width: 80px;
  height: 80px;
  background: linear-gradient(135deg, #0d6efd 0%, #6366f1 100%);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 20px;
  font-size: 36px;
  color: #fff;
}

.quick-prompts {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  justify-content: center;
  margin-top: 24px;
}

.quick-prompt {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 20px;
  padding: 10px 16px;
  font-size: 13px;
  color: #334155;
  cursor: pointer;
  transition: all 0.2s ease;
  display: flex;
  align-items: center;
  gap: 8px;
}

.quick-prompt:hover {
  background: #0d6efd;
  color: #fff;
  border-color: #0d6efd;
}

.quick-prompt i {
  font-size: 14px;
}

.chat-input-container {
  padding: 16px 20px;
  border-top: 1px solid #e2e8f0;
  background: #fff;
}

.chat-input-wrapper {
  display: flex;
  gap: 12px;
  background: #f1f5f9;
  border-radius: 12px;
  padding: 8px 8px 8px 16px;
  border: 2px solid transparent;
  transition: all 0.2s ease;
}

.chat-input-wrapper:focus-within {
  border-color: #0d6efd;
  background: #fff;
}

.chat-input {
  flex: 1;
  border: none;
  background: transparent;
  font-size: 15px;
  outline: none;
}

.send-btn {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  background: #0d6efd;
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: all 0.2s ease;
}

.send-btn:hover {
  background: #0b5ed7;
  transform: scale(1.05);
}

.input-hint {
  font-size: 12px;
  color: #94a3b8;
  margin: 8px 0 0;
  text-align: center;
}

/* Chat Messages */
.msg-user, .msg-ai {
  max-width: 80%;
  padding: 14px 18px;
  border-radius: 16px;
  margin-bottom: 12px;
  line-height: 1.5;
  font-size: 14px;
}

.msg-user {
  background: linear-gradient(135deg, #0d6efd 0%, #0b5ed7 100%);
  color: #fff;
  margin-left: auto;
  border-bottom-right-radius: 4px;
}

.msg-ai {
  background: #fff;
  color: #0c1b2a;
  border: 1px solid #e2e8f0;
  border-bottom-left-radius: 4px;
  box-shadow: 0 1px 3px rgba(0,0,0,0.05);
}

.msg-note {
  text-align: center;
  color: #64748b;
  font-size: 13px;
  padding: 8px;
}

/* =========================
   DATA AGENTS PANEL
   ========================= */

.agents-container {
  padding: 24px;
}

.agents-header {
  margin-bottom: 24px;
}

.agents-header h5 {
  margin-bottom: 4px;
  color: #0c1b2a;
}

.agents-form {
  background: #f8fafc;
  border-radius: 12px;
  padding: 24px;
  border: 1px solid #e2e8f0;
}

.agent-grid {
  display: grid;
  grid-template-columns: repeat(5, 1fr);
  gap: 12px;
}

.agent-option {
  cursor: pointer;
}

.agent-option input {
  display: none;
}

.agent-card {
  background: #fff;
  border: 2px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px;
  text-align: center;
  transition: all 0.2s ease;
}

.agent-option input:checked + .agent-card {
  border-color: #0d6efd;
  background: #eff6ff;
}

.agent-card:hover {
  border-color: #0d6efd;
}

.agent-icon {
  width: 44px;
  height: 44px;
  background: #f1f5f9;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 10px;
  font-size: 20px;
  color: #0d6efd;
}

.agent-option input:checked + .agent-card .agent-icon {
  background: #0d6efd;
  color: #fff;
}

.agent-name {
  font-size: 13px;
  font-weight: 600;
  color: #0c1b2a;
  margin-bottom: 4px;
}

.agent-desc {
  font-size: 11px;
  color: #64748b;
}

/* Agent Results */
.agent-results {
  background: #fff;
  border-radius: 12px;
  border: 1px solid #e2e8f0;
  overflow: hidden;
}

.results-header {
  background: #f8fafc;
  padding: 14px 20px;
  border-bottom: 1px solid #e2e8f0;
}

.results-header h6 {
  margin: 0;
  color: #0c1b2a;
}

.results-content {
  padding: 20px;
  max-height: 400px;
  overflow-y: auto;
}

.result-item {
  background: #f8fafc;
  border-radius: 8px;
  padding: 14px;
  margin-bottom: 12px;
  border-left: 4px solid #0d6efd;
}

.result-item h6 {
  font-size: 14px;
  margin-bottom: 8px;
  color: #0c1b2a;
}

.result-item p {
  font-size: 13px;
  color: #64748b;
  margin: 0;
}

/* Loading State */
.agent-loading {
  text-align: center;
  padding: 60px 40px;
}

.loading-spinner {
  width: 50px;
  height: 50px;
  border: 4px solid #e2e8f0;
  border-top-color: #0d6efd;
  border-radius: 50%;
  animation: spin 1s linear infinite;
  margin: 0 auto 20px;
}

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

.loading-agents {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  justify-content: center;
  margin-top: 16px;
}

.loading-agent {
  background: #f1f5f9;
  padding: 6px 12px;
  border-radius: 16px;
  font-size: 12px;
  color: #64748b;
  transition: all 0.3s ease;
}

.loading-agent.active {
  background: #0d6efd;
  color: #fff;
}

.loading-agent.done {
  background: #dcfce7;
  color: #16a34a;
}

/* =========================
   REPORTS PANEL
   ========================= */

.reports-container {
  padding: 24px;
}

.reports-header {
  margin-bottom: 24px;
}

.reports-list {
  display: grid;
  gap: 12px;
}

.report-item {
  background: #fff;
  border: 1px solid #e2e8f0;
  border-radius: 12px;
  padding: 16px 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  transition: all 0.2s ease;
}

.report-item:hover {
  box-shadow: 0 4px 12px rgba(0,0,0,0.06);
  border-color: #0d6efd;
}

.report-info {
  display: flex;
  align-items: center;
  gap: 14px;
}

.report-icon {
  width: 44px;
  height: 44px;
  background: #fef3c7;
  border-radius: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: #f59e0b;
}

.report-title {
  font-weight: 600;
  color: #0c1b2a;
  font-size: 14px;
}

.report-date {
  font-size: 12px;
  color: #94a3b8;
}

.reports-empty {
  text-align: center;
  padding: 60px 40px;
  color: #94a3b8;
}

.reports-empty i {
  font-size: 48px;
  margin-bottom: 16px;
  display: block;
}

/* Thinking Animation */
.msg-note.thinking {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}

.msg-note.thinking i {
  animation: spin 1s linear infinite;
}

/* AI Message Formatting */
.msg-ai h3, .msg-ai h4, .msg-ai h5 {
  color: #0c1b2a;
  margin-top: 16px;
}

.msg-ai h3:first-child, .msg-ai h4:first-child, .msg-ai h5:first-child {
  margin-top: 0;
}

.msg-ai ul {
  margin: 8px 0;
  padding-left: 20px;
}

.msg-ai li {
  margin-bottom: 4px;
}

.msg-ai strong {
  color: #0c1b2a;
}

/* Toast Styling */
.toast {
  border-radius: 12px;
  box-shadow: 0 10px 40px rgba(0,0,0,0.15);
}

.toast-header {
  border-radius: 12px 12px 0 0;
}

/* Avatar */
.avatar-circle {
  width: 32px;
  height: 32px;
  background: #e0e7ff;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #4f46e5;
}

/* =========================
   RESPONSIVE
   ========================= */

@media (max-width: 1200px) {
  .agent-grid {
    grid-template-columns: repeat(3, 1fr);
  }
}

@media (max-width: 992px) {
  .dashboard-container {
    flex-direction: column;
  }
  
  .sidebar {
    width: 100%;
    border-right: none;
    border-bottom: 1px solid #e2e8f0;
    max-height: 200px;
  }
  
  .stats-row {
    grid-template-columns: repeat(2, 1fr);
  }
  
  .agent-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}

@media (max-width: 576px) {
  .stats-row {
    grid-template-columns: 1fr;
  }
  
  .agent-grid {
    grid-template-columns: 1fr;
  }
  
  .quick-prompts {
    flex-direction: column;
  }
  
  .quick-prompt {
    justify-content: center;
  }
}

/* =========================
   PROFILE & SETTINGS
   ========================= */

.profile-avatar {
  width: 80px;
  height: 80px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 36px;
  color: #fff;
}

.setting-item {
  padding: 12px 0;
}

.form-check-input:checked {
  background-color: var(--accent-primary);
  border-color: var(--accent-primary);
}

/* =========================
   SAVED SEARCHES
   ========================= */

.saved-search-item {
  background: var(--bg-tertiary);
  border-radius: 12px;
  padding: 16px;
  margin-bottom: 12px;
  border: 1px solid var(--border-color);
  transition: all 0.2s ease;
}

.saved-search-item:hover {
  border-color: var(--accent-primary);
}

.saved-search-header {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-bottom: 8px;
}

.saved-search-name {
  font-weight: 600;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 8px;
}

.saved-search-badge {
  font-size: 10px;
  padding: 2px 8px;
  border-radius: 10px;
  background: var(--accent-primary);
  color: #fff;
}

.saved-search-query {
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 8px;
}

.saved-search-meta {
  display: flex;
  gap: 16px;
  font-size: 12px;
  color: var(--text-light);
}

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

.saved-search-actions .btn {
  padding: 4px 8px;
  font-size: 12px;
}

/* =========================
   DARK MODE SPECIFIC
   ========================= */

[data-theme="dark"] .stat-box {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .stat-value {
  color: var(--text-primary);
}

[data-theme="dark"] .stat-label {
  color: var(--text-muted);
}

[data-theme="dark"] .dashboard-tabs .nav-link {
  color: var(--text-muted);
}

[data-theme="dark"] .dashboard-tabs .nav-link:hover {
  color: var(--accent-primary);
  background: var(--bg-tertiary);
}

[data-theme="dark"] .dashboard-tabs .nav-link.active {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  border-bottom-color: var(--bg-secondary);
}

[data-theme="dark"] .tab-content {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .chat-header {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

[data-theme="dark"] .chat-window {
  background: var(--bg-primary);
}

[data-theme="dark"] .msg-ai {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-primary);
}

[data-theme="dark"] .msg-ai h3,
[data-theme="dark"] .msg-ai h4,
[data-theme="dark"] .msg-ai h5,
[data-theme="dark"] .msg-ai strong {
  color: var(--text-primary);
}

[data-theme="dark"] .chat-input-container {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .chat-input-wrapper {
  background: var(--bg-tertiary);
}

[data-theme="dark"] .chat-input-wrapper:focus-within {
  background: var(--bg-secondary);
}

[data-theme="dark"] .chat-input {
  color: var(--text-primary);
}

[data-theme="dark"] .quick-prompt {
  background: var(--bg-secondary);
  border-color: var(--border-color);
  color: var(--text-secondary);
}

[data-theme="dark"] .quick-prompt:hover {
  background: var(--accent-primary);
  color: #fff;
}

[data-theme="dark"] .agents-form {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

[data-theme="dark"] .agent-card {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .agent-option input:checked + .agent-card {
  background: rgba(13, 110, 253, 0.2);
}

[data-theme="dark"] .agent-name {
  color: var(--text-primary);
}

[data-theme="dark"] .agent-results {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .results-header {
  background: var(--bg-tertiary);
  border-color: var(--border-color);
}

[data-theme="dark"] .result-item {
  background: var(--bg-tertiary);
}

[data-theme="dark"] .result-item h6 {
  color: var(--text-primary);
}

[data-theme="dark"] .report-item {
  background: var(--bg-secondary);
  border-color: var(--border-color);
}

[data-theme="dark"] .report-title {
  color: var(--text-primary);
}

[data-theme="dark"] .toast {
  background: var(--bg-secondary);
  color: var(--text-primary);
}

[data-theme="dark"] .toast-header {
  background: var(--bg-tertiary);
  color: var(--text-primary);
}

[data-theme="dark"] .welcome-icon {
  box-shadow: 0 8px 32px rgba(99, 102, 241, 0.3);
}

[data-theme="dark"] .query-list-item {
  color: var(--text-muted);
}

[data-theme="dark"] .query-list-item:hover {
  background: var(--bg-tertiary);
}

/* Dark mode toggle animation */
#darkModeToggle {
  transition: all 0.3s ease;
}

#darkModeToggle:hover {
  transform: rotate(20deg);
}

[data-theme="dark"] #darkModeIcon::before {
  content: "\F5A2"; /* sun icon */
}