/* ═══════════════════════════════════════════════════════
   Meridian Data Explorer — Dark Corporate Theme
   ═══════════════════════════════════════════════════════ */

:root {
  --bg-primary: #0b1622;
  --bg-secondary: #111d2b;
  --bg-card: #162231;
  --bg-card-hover: #1c2c3d;
  --bg-input: #0f1a27;
  --border: #243447;
  --border-focus: #3d5a80;
  --text-primary: #e8edf2;
  --text-secondary: #8899aa;
  --text-muted: #5a6d7e;
  --accent: #e6b422;
  --accent-dim: #b8941c;
  --accent-glow: rgba(230, 180, 34, 0.15);
  --green: #34d399;
  --red: #f87171;
  --blue: #60a5fa;
  --purple: #a78bfa;
  --orange: #fb923c;
  --radius: 8px;
  --radius-sm: 4px;
  --shadow: 0 2px 8px rgba(0,0,0,0.3);
  --shadow-lg: 0 4px 24px rgba(0,0,0,0.4);
  --transition: 0.15s ease;
  --font-mono: 'SF Mono', 'Fira Code', 'Cascadia Code', monospace;
}

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

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.5;
  min-height: 100vh;
  overflow-x: hidden;
}

/* ── Header ───────────────────────────────────────────── */
.header {
  background: linear-gradient(135deg, var(--bg-secondary) 0%, #0d1a28 100%);
  border-bottom: 1px solid var(--border);
  padding: 0 24px;
  height: 60px;
  display: flex;
  align-items: center;
  gap: 16px;
  position: sticky;
  top: 0;
  z-index: 100;
  backdrop-filter: blur(12px);
}

.header-logo {
  font-size: 22px;
  font-weight: 700;
  letter-spacing: -0.5px;
  color: var(--text-primary);
}
.header-logo span { color: var(--accent); }
.header-subtitle {
  font-size: 12px;
  color: var(--text-muted);
  margin-left: 4px;
  font-weight: 400;
}

.header-actions {
  margin-left: auto;
  display: flex;
  gap: 8px;
  align-items: center;
}

/* ── Tabs ─────────────────────────────────────────────── */
.tab-bar {
  display: flex;
  gap: 2px;
  padding: 12px 24px 0;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: none;
}
.tab-bar::-webkit-scrollbar { display: none; }

.tab {
  padding: 10px 18px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-secondary);
  background: transparent;
  border: none;
  border-radius: var(--radius) var(--radius) 0 0;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: 0.2px;
  position: relative;
}
.tab:hover { color: var(--text-primary); background: var(--bg-card); }
.tab.active {
  color: var(--accent);
  background: var(--bg-primary);
  font-weight: 600;
}
.tab.active::after {
  content: '';
  position: absolute;
  bottom: 0; left: 0; right: 0;
  height: 2px;
  background: var(--accent);
  border-radius: 2px 2px 0 0;
}

.tab-badge {
  display: inline-block;
  background: var(--bg-card);
  color: var(--text-muted);
  font-size: 10px;
  padding: 1px 6px;
  border-radius: 10px;
  margin-left: 6px;
  font-weight: 600;
}
.tab.active .tab-badge { background: var(--accent-glow); color: var(--accent); }

/* ── Main Content ─────────────────────────────────────── */
.main-content {
  padding: 20px 24px;
  max-width: 1440px;
  margin: 0 auto;
}

/* KPI Cards */
.kpi-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 12px;
  margin-bottom: 20px;
}

.kpi-card {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px 20px;
  transition: all var(--transition);
  position: relative;
}
.kpi-card:hover {
  border-color: var(--border-focus);
  box-shadow: var(--shadow);
}
.kpi-card-clickable {
  cursor: pointer;
  user-select: none;
}
.kpi-card-clickable::after {
  content: '📈';
  position: absolute;
  top: 8px;
  right: 10px;
  font-size: 11px;
  opacity: 0;
  transition: opacity var(--transition);
  pointer-events: none;
}
.kpi-card-clickable:hover::after { opacity: 0.6; }
.kpi-card.active {
  border-color: var(--accent);
  background: linear-gradient(135deg, var(--bg-card) 0%, rgba(230, 180, 34, 0.08) 100%);
  box-shadow: 0 0 0 1px var(--accent), var(--shadow);
}
.kpi-card.active::after {
  content: '📊';
  opacity: 1;
  color: var(--accent);
}
.kpi-card.active .kpi-label { color: var(--accent); }
.kpi-card.active .kpi-value { color: var(--accent); }

.kpi-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  margin-bottom: 4px;
  font-weight: 600;
}
.kpi-value {
  font-size: 24px;
  font-weight: 700;
  color: var(--text-primary);
  font-variant-numeric: tabular-nums;
}
.kpi-value.accent { color: var(--accent); }
.kpi-value.green { color: var(--green); }
.kpi-value.red { color: var(--red); }
.kpi-delta {
  font-size: 11px;
  margin-top: 2px;
  color: var(--text-muted);
}

/* Chart Area */
.chart-container {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 16px;
  min-height: 320px;
  position: relative;
}

.chart-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.chart-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-primary);
}
.chart-controls {
  display: flex;
  gap: 8px;
}

/* ── Controls ─────────────────────────────────────────── */
.controls-row {
  display: flex;
  gap: 10px;
  margin-bottom: 14px;
  flex-wrap: wrap;
  align-items: center;
}

.search-input {
  flex: 1;
  min-width: 200px;
  padding: 9px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 13px;
  outline: none;
  transition: border-color var(--transition);
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus { border-color: var(--accent); }

.filter-select {
  padding: 9px 32px 9px 12px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-primary);
  font-size: 13px;
  cursor: pointer;
  outline: none;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%238899aa' viewBox='0 0 16 16'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  min-width: 140px;
  transition: border-color var(--transition);
}
.filter-select:focus { border-color: var(--accent); }
.filter-select option { background: var(--bg-card); color: var(--text-primary); }

.btn {
  padding: 9px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-card);
  color: var(--text-secondary);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: all var(--transition);
  white-space: nowrap;
  letter-spacing: 0.3px;
}
.btn:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  color: var(--text-primary);
}
.btn-accent {
  background: var(--accent);
  color: #000;
  border-color: var(--accent);
  font-weight: 700;
}
.btn-accent:hover { background: var(--accent-dim); border-color: var(--accent-dim); color: #000; }
.btn-sm { padding: 6px 12px; font-size: 11px; }

/* ── Table ────────────────────────────────────────────── */
.table-wrapper {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}

.table-scroll {
  overflow-x: auto;
  max-height: 60vh;
  overflow-y: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 12px;
  font-variant-numeric: tabular-nums;
}

thead {
  position: sticky;
  top: 0;
  z-index: 10;
}

th {
  background: var(--bg-secondary);
  padding: 10px 14px;
  text-align: left;
  font-weight: 600;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--text-secondary);
  border-bottom: 2px solid var(--border);
  cursor: pointer;
  user-select: none;
  white-space: nowrap;
  transition: color var(--transition);
}
th:hover { color: var(--accent); }
th.sorted { color: var(--accent); }
th .sort-icon { margin-left: 4px; font-size: 10px; }

td {
  padding: 8px 14px;
  border-bottom: 1px solid rgba(36, 52, 71, 0.5);
  color: var(--text-primary);
  white-space: nowrap;
  max-width: 300px;
  overflow: hidden;
  text-overflow: ellipsis;
}

tr:hover td { background: rgba(230, 180, 34, 0.03); }
tr:nth-child(even) td { background: rgba(255,255,255,0.01); }

td.null { color: var(--text-muted); font-style: italic; }
td.number { font-family: var(--font-mono); text-align: right; }

/* ── Pagination ───────────────────────────────────────── */
.pagination {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  font-size: 12px;
  color: var(--text-muted);
}

.pagination-btns {
  display: flex;
  gap: 4px;
}

.page-btn {
  padding: 6px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--bg-input);
  color: var(--text-secondary);
  font-size: 12px;
  cursor: pointer;
  transition: all var(--transition);
}
.page-btn:hover:not(:disabled) { border-color: var(--accent); color: var(--accent); }
.page-btn:disabled { opacity: 0.4; cursor: default; }
.page-btn.active { background: var(--accent); color: #000; border-color: var(--accent); font-weight: 700; }

/* ── Table Info Badge ─────────────────────────────────── */
.table-info {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}

.info-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 12px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 20px;
  font-size: 11px;
  color: var(--text-secondary);
  font-weight: 500;
}
.info-badge strong { color: var(--text-primary); }

/* ── Loading / Empty ──────────────────────────────────── */
.loading-overlay {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 60px;
  color: var(--text-muted);
  gap: 10px;
}

.spinner {
  width: 20px;
  height: 20px;
  border: 2px solid var(--border);
  border-top: 2px solid var(--accent);
  border-radius: 50%;
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

.empty-state {
  text-align: center;
  padding: 48px 24px;
  color: var(--text-muted);
}
.empty-state-icon { font-size: 48px; margin-bottom: 12px; }

/* ── Scrollbar ────────────────────────────────────────── */
::-webkit-scrollbar { width: 6px; height: 6px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-focus); }

/* ── Toast ────────────────────────────────────────────── */
.toast {
  position: fixed;
  bottom: 24px;
  right: 24px;
  background: var(--bg-card);
  border: 1px solid var(--red);
  border-radius: var(--radius);
  padding: 12px 20px;
  color: var(--text-primary);
  font-size: 13px;
  box-shadow: var(--shadow-lg);
  z-index: 200;
  animation: slideIn 0.3s ease;
  max-width: 400px;
}
@keyframes slideIn { from { transform: translateY(20px); opacity: 0; } to { transform: translateY(0); opacity: 1; } }
.toast-error { border-color: var(--red); }
.toast-success { border-color: var(--green); }

/* ── Responsive ───────────────────────────────────────── */
/* Планшеты и крупные телефоны */
@media (max-width: 768px) {
  .header { padding: 0 14px; gap: 8px; height: 56px; }
  .header-logo { font-size: 17px; letter-spacing: 0; white-space: nowrap; }
  .header-context { display: none; }            /* «· <таблица>» избыточно — активный таб виден в панели вкладок */
  .main-content { padding: 12px; }
  .kpi-row { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .kpi-card { padding: 13px 15px; }
  .kpi-value { font-size: 20px; }
  .controls-row { flex-direction: column; }
  .search-input { min-width: 100%; }
  .tab { padding: 9px 14px; font-size: 12px; }
  .chart-container { padding: 14px; }
  .pagination { flex-wrap: wrap; }
}

/* Телефоны */
@media (max-width: 480px) {
  .header { padding: 0 10px; gap: 6px; }
  .header-logo { font-size: 16px; }
  .header-actions { gap: 6px; }
  .header-actions .btn { padding: 9px 11px; font-size: 16px; line-height: 1; }
  .header-actions .btn-text { display: none; }  /* кнопки шапки — только иконки (подпись в title) */
  .kpi-row { gap: 8px; }
  .kpi-card { padding: 11px 13px; }
  .kpi-value { font-size: 16px; }
  .kpi-label { font-size: 9.5px; letter-spacing: 0.4px; }
  .chart-container { padding: 10px 8px; }
}

/* ═══════════════════════════════════════════════════════
   CHAT WIDGET — Meridian AI
   ═══════════════════════════════════════════════════════ */

/* ── Widget Container ────────────────────────────────── */
#chat-widget, meridian-chat, #dashboard-chat {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  font-family: inherit;
  display: block; /* custom elements default to inline */
}

/* ── Chat Icon (FAB) ─────────────────────────────────── */
.chat-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #0b1622;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 20px var(--accent-glow), 0 2px 8px rgba(0,0,0,0.3);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: fixed;
  bottom:40px;
  right:40px;
  z-index: 1001;
  animation: chatPulse 3s ease-in-out infinite;
}

.chat-icon svg {
  display: block;
  width: 24px;
  height: 24px;
  stroke: currentColor;
  fill: none;
}

.chat-icon::after {
  content: '';
  position: absolute;
  inset: -3px;
  border-radius: 50%;
  border: 2px solid var(--accent);
  opacity: 0;
  animation: chatRipple 3s ease-in-out infinite;
}

.chat-icon:hover {
  transform: scale(1.08);
  box-shadow: 0 6px 28px var(--accent-glow), 0 4px 12px rgba(0,0,0,0.4);
  animation: none;
}

.chat-icon:active {
  transform: scale(0.95);
}

.chat-icon.hidden {
  opacity: 0;
  transform: scale(0.5);
  pointer-events: none;
}

@keyframes chatPulse {
  0%, 100% { box-shadow: 0 4px 20px var(--accent-glow), 0 2px 8px rgba(0,0,0,0.3); }
  50% { box-shadow: 0 4px 32px rgba(230, 180, 34, 0.35), 0 2px 12px rgba(0,0,0,0.4); }
}

@keyframes chatRipple {
  0%, 100% { opacity: 0; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.12); }
}

/* ── Chat Panel ──────────────────────────────────────── */
.chat-panel {
  position: absolute;
  bottom: 72px;
  right: 0;
  width: 680px;
  height: 560px;
  max-height: calc(100dvh - 120px);
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: 16px;
  box-shadow: 0 8px 40px rgba(0,0,0,0.5), 0 0 0 1px rgba(230,180,34,0.1);
  display: flex;
  flex-direction: row;
  overflow: hidden;
  transform-origin: bottom right;
  transform: scale(0.7);
  opacity: 0;
  pointer-events: none;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.chat-panel.open {
  transform: scale(1);
  opacity: 1;
  pointer-events: all;
}

/* ── History Sidebar (left column) ───────────────────── */
.chat-history {
  width: 220px;
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  background: rgba(11, 22, 34, 0.55);
  border-right: 1px solid var(--border);
  min-height: 0;
}

.chat-history-header {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 10px 10px;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, #0d1a28 100%);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.chat-history-header .chat-history-title {
  flex: 1;
  text-align: left;
  margin-left: 4px;
}

/* ── Collapse-кнопка (свернуть/развернуть историю) ─── */
.chat-collapse {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.chat-collapse svg {
  display: block;
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.chat-collapse:hover {
  color: var(--accent);
  background: var(--accent-glow);
  border-color: rgba(230, 180, 34, 0.25);
}
/* При collapsed состоянии поворачиваем иконку на 180° */
.chat-collapse.collapsed svg {
  transform: rotate(180deg);
}

/* ── Свёрнутая история ──────────────────────────────── */
.chat-panel.history-collapsed .chat-history {
  width: 0;
  min-width: 0;
  padding: 0;
  border-right: none;
  overflow: hidden;
  opacity: 0;
}
.chat-panel.history-collapsed .chat-sessions-list {
  display: none;
}
/* Кнопка collapse видна и в свёрнутом состоянии — превращаем
   узкую полоску в тонкий «язычок» для разворачивания. */
.chat-panel.history-collapsed .chat-history-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 28px;
  height: 56px;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, #0d1a28 100%);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-radius: 0 8px 8px 0;
  z-index: 5;
  writing-mode: vertical-rl;
}
.chat-panel.history-collapsed .chat-collapse {
  width: 100%;
  height: 100%;
  border-radius: 0 8px 8px 0;
  color: var(--text-secondary);
}
.chat-panel.history-collapsed .chat-collapse.collapsed svg {
  transform: rotate(180deg);
}
.chat-panel.history-collapsed .chat-history-title,
.chat-panel.history-collapsed .chat-history-new {
  display: none;
}

.chat-history-title {
  font-size: 12px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-secondary);
}

.chat-history-new {
  color: var(--accent);
}

.chat-history-new svg {
  display: block;
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
}

.chat-history-new:hover {
  color: var(--accent);
  border-color: var(--accent);
  background: var(--accent-glow);
}

/* ── Sessions list ───────────────────────────────────── */
.chat-sessions-list {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 6px;
  display: flex;
  flex-direction: column;
  gap: 2px;
  min-height: 0;
}

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

.chat-sessions-list::-webkit-scrollbar-track {
  background: transparent;
}

.chat-sessions-list::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

.chat-session-item {
  display: flex;
  align-items: center;
  gap: 6px;
  width: 100%;
  padding: 8px 10px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  font-size: 12px;
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
  position: relative;
  min-height: 34px;
}

.chat-session-item:hover {
  background: var(--bg-card);
  border-color: var(--border);
  color: var(--text-primary);
}

.chat-session-item.active {
  background: var(--accent-glow);
  border-color: rgba(230, 180, 34, 0.35);
  color: var(--accent);
  font-weight: 600;
}

.chat-session-item.active::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--accent);
  border-radius: 0 2px 2px 0;
}

.chat-session-title {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  line-height: 1.3;
}

.chat-session-delete {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 22px;
  height: 22px;
  border-radius: 4px;
  color: var(--text-secondary);
  opacity: 0;
  transition: all var(--transition);
  flex-shrink: 0;
  cursor: pointer;
}

.chat-session-delete svg {
  display: block;
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
}

.chat-session-item:hover .chat-session-delete,
.chat-session-item.active .chat-session-delete {
  opacity: 1;
}

.chat-session-delete:hover {
  background: rgba(248, 113, 113, 0.15);
  color: var(--red);
}

/* ── Main chat column (right) ────────────────────────── */
.chat-main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg-card);
}

/* ── Panel Header ────────────────────────────────────── */
.chat-panel-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 12px 16px;
  background: linear-gradient(135deg, var(--bg-secondary) 0%, #0d1a28 100%);
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}

.chat-panel-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  flex: 1;
  min-width: 0;
  letter-spacing: -0.3px;
}

.chat-panel-title svg {
  color: var(--accent);
  flex-shrink: 0;
  display: block;
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
}

/* ── Header buttons (общие) ─────────────────────────── */
.chat-header-btn {
  padding: 6px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
}

.chat-header-btn svg {
  display: block;
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  stroke: currentColor;
  fill: none;
}

.chat-header-btn:hover {
  color: var(--text-primary);
  background: var(--bg-card);
  border-color: var(--border);
}

.chat-header-btn-danger:hover {
  color: var(--red);
  border-color: rgba(248, 113, 113, 0.3);
}

/* ── Close Button ────────────────────────────────────── */
.chat-close {
  padding: 6px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all var(--transition);
  flex-shrink: 0;
  margin-left: 4px;
}

.chat-close svg {
  display: block;
  flex-shrink: 0;
  width: 18px;
  height: 18px;
  stroke: currentColor;
  fill: none;
}

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

/* ── Messages Area ───────────────────────────────────── */
.chat-messages {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  padding: 16px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  scroll-behavior: smooth;
}

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

.chat-messages::-webkit-scrollbar-track {
  background: transparent;
}

.chat-messages::-webkit-scrollbar-thumb {
  background: var(--border);
  border-radius: 2px;
}

/* ── Empty State ─────────────────────────────────────── */
.chat-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  height: 100%;
  text-align: center;
  padding: 32px 16px;
  gap: 8px;
}

.chat-empty-icon {
  font-size: 48px;
  margin-bottom: 8px;
  opacity: 0.6;
}

.chat-empty-title {
  font-size: 18px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.3px;
}

.chat-empty-subtitle {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  margin-bottom: 12px;
}

/* ── Suggestions ─────────────────────────────────────── */
.chat-suggestions {
  display: flex;
  flex-direction: column;
  gap: 6px;
  width: 100%;
  max-width: 300px;
}

.chat-suggestion {
  width: 100%;
  padding: 10px 14px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  color: var(--text-secondary);
  font-size: 12px;
  text-align: left;
  cursor: pointer;
  transition: all var(--transition);
  font-family: inherit;
  line-height: 1.5;
}

.chat-suggestion:hover {
  background: var(--bg-card-hover);
  border-color: var(--border-focus);
  color: var(--text-primary);
  transform: translateX(4px);
}

/* ── Message Bubble ──────────────────────────────────── */
.chat-message {
  display: flex;
  flex-direction: column;
  max-width: 85%;
  animation: msgFadeIn 0.25s ease-out;
}

.chat-message.user {
  align-self: flex-end;
  align-items: flex-end;
}

.chat-message.assistant {
  align-self: flex-start;
  align-items: flex-start;
}

.chat-message.animate-in {
  animation: msgSlideUp 0.3s ease-out;
}

@keyframes msgFadeIn {
  from { opacity: 0; }
  to { opacity: 1; }
}

@keyframes msgSlideUp {
  from { opacity: 0; transform: translateY(12px); }
  to { opacity: 1; transform: translateY(0); }
}

.chat-bubble {
  display: flex;
  gap: 10px;
  align-items: flex-start;
}

.chat-message.user .chat-bubble {
  flex-direction: row-reverse;
}

/* ── Avatar ──────────────────────────────────────────── */
.chat-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
  margin-top: 2px;
}

.chat-message.user .chat-avatar {
  background: var(--accent-glow);
}

.chat-message.assistant .chat-avatar {
  background: rgba(96, 165, 250, 0.1);
}

/* ── Message Body ────────────────────────────────────── */
.chat-body {
  padding: 10px 14px;
  border-radius: 14px;
  font-size: 13px;
  line-height: 1.6;
  word-break: break-word;
  max-width: 100%;
}

.chat-message.user .chat-body {
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #0b1622;
  border-bottom-right-radius: 4px;
}

.chat-message.assistant .chat-body {
  background: var(--bg-secondary);
  color: var(--text-primary);
  border: 1px solid var(--border);
  border-bottom-left-radius: 4px;
}

/* Markdown внутри сообщений */
.chat-body strong {
  font-weight: 700;
  color: inherit;
}

.chat-body em {
  font-style: italic;
  opacity: 0.9;
}

.chat-body code {
  background: rgba(0,0,0,0.15);
  padding: 2px 6px;
  border-radius: 4px;
  font-family: var(--font-mono);
  font-size: 12px;
}

.chat-body pre {
  background: rgba(0,0,0,0.2);
  padding: 10px 12px;
  border-radius: 8px;
  overflow-x: auto;
  margin: 6px 0;
}

.chat-body pre code {
  background: none;
  padding: 0;
}

.chat-body a {
  color: var(--blue);
  text-decoration: underline;
}

/* ── Timestamp ───────────────────────────────────────── */
.chat-time {
  font-size: 10px;
  color: var(--text-muted);
  margin: 2px 42px 0;
  opacity: 0.7;
}

/* ── Typing Indicator ────────────────────────────────── */
.chat-typing {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 4px 0;
  animation: msgFadeIn 0.2s ease-out;
}

.chat-typing-avatar {
  width: 32px;
  height: 32px;
  border-radius: 50%;
  background: rgba(96, 165, 250, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  flex-shrink: 0;
}

.chat-typing-dots {
  display: flex;
  gap: 4px;
  padding: 12px 16px;
  background: var(--bg-secondary);
  border: 1px solid var(--border);
  border-radius: 14px;
  border-bottom-left-radius: 4px;
}

.chat-typing-dots span {
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--text-muted);
  animation: typingBounce 1.4s ease-in-out infinite;
}

.chat-typing-dots span:nth-child(2) {
  animation-delay: 0.2s;
}

.chat-typing-dots span:nth-child(3) {
  animation-delay: 0.4s;
}

@keyframes typingBounce {
  0%, 60%, 100% { transform: translateY(0); opacity: 0.4; }
  30% { transform: translateY(-8px); opacity: 1; }
}

/* ── Input Area ──────────────────────────────────────── */
.chat-input-area {
  display: flex;
  align-items: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: var(--bg-secondary);
  flex-shrink: 0;
}

.chat-input {
  flex: 1;
  min-height: 40px;
  max-height: 120px;
  padding: 10px 14px;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: 20px;
  color: var(--text-primary);
  font-size: 13px;
  font-family: inherit;
  line-height: 1.5;
  outline: none;
  resize: none;
  transition: border-color var(--transition);
}

.chat-input::placeholder {
  color: var(--text-muted);
}

.chat-input:focus {
  border-color: var(--accent);
}

.chat-input:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.chat-send {
  width: 40px;
  height: 40px;
  border-radius: 50%;
  border: none;
  background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dim) 100%);
  color: #0b1622;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.chat-send svg {
  display: block;
  width: 20px;
  height: 20px;
  stroke: currentColor;
  fill: none;
}

.chat-send:hover {
  transform: scale(1.08);
  box-shadow: 0 2px 12px var(--accent-glow);
}

.chat-send:active {
  transform: scale(0.93);
}

.chat-send:disabled {
  opacity: 0.4;
  cursor: not-allowed;
  transform: none;
}

/* ── Chat Responsive ─────────────────────────────────── */
@media (max-width: 720px) {
  #chat-widget, meridian-chat, #dashboard-chat {
    bottom: 12px;
    right: 12px;
  }

  .chat-icon {
    width: 48px;
    height: 48px;
  }

  /* Полноэкранный чат на мобильных — edge-to-edge, как нативный чат-бот.
     position: fixed + inset:0 отвязывает панель от FAB-контейнера и кроет
     весь вьюпорт (включая sticky-шапку). Выезжает снизу. */
  .chat-panel {
    position: fixed;
    inset: 0;
    width: 100vw;
    height: 100dvh;
    max-height: none;
    border-radius: 0;
    border: none;
    z-index: 1100;
    transform: translateY(100%);
    transform-origin: center;
    /* безопасные зоны под «чёлку»/жесты на телефонах */
    padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left);
  }
  .chat-panel.open { transform: translateY(0); }

  .chat-history {
    width: 160px;
  }
}

@media (max-width: 480px) {
  .chat-history {
    width: 130px;
  }
}

/* ═══════════════════════════════════════════════════════
   CHAT — Дополнения: collapse истории, streaming-индикатор,
   live-курсор для текущего сообщения.
   ═══════════════════════════════════════════════════════ */

/* Корневой контейнер Web Component */
.chat-widget {
  position: fixed;
  bottom: 24px;
  right: 24px;
  z-index: 1000;
  font-family: inherit;
  /* ВАЖНО: явно задаём размер, равный FAB-иконке, чтобы
     скрытая .chat-panel (position: absolute, scale(0.7)) не
     растягивала контейнер и не сдвигала иконку из угла. */
  width: 56px;
  height: 56px;
  pointer-events: none; /* клики пропускаем на иконку через её собственный z-index */
}
.chat-widget .chat-icon {
  pointer-events: auto;
}
.chat-widget .chat-panel {
  /* Сохраняем абсолютное позиционирование из базового правила .chat-panel,
     чтобы панель не участвовала в normal flow и не растягивала
     контейнер .chat-widget (иначе иконка "уезжает" из правого-нижнего угла). */
  position: absolute;
  left: auto;
}

/* На мобильных перекрываем position/left с той же специфичностью (0,2,0),
   но ПОЗЖЕ по исходнику — иначе .chat-widget .chat-panel выше держит absolute
   и панель не разворачивается на весь экран. Размеры/радиус/transform задаёт
   блок .chat-panel в @media(720) выше. */
@media (max-width: 720px) {
  .chat-widget .chat-panel {
    position: fixed;
    inset: 0;
    left: 0;
  }
}

/* ── Collapse-кнопка (свернуть/развернуть историю) ─── */
.chat-collapse {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  padding: 0;
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  color: var(--text-secondary);
  cursor: pointer;
  transition: all var(--transition);
  flex-shrink: 0;
}
.chat-collapse svg {
  display: block;
  width: 14px;
  height: 14px;
  stroke: currentColor;
  fill: none;
  transition: transform 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
.chat-collapse:hover {
  color: var(--accent);
  background: var(--accent-glow);
  border-color: rgba(230, 180, 34, 0.25);
}
.chat-collapse.collapsed svg {
  transform: rotate(180deg);
}

/* ── Свёрнутая история ──────────────────────────────── */
.chat-panel.history-collapsed .chat-history {
  width: 0;
  min-width: 0;
  padding: 0;
  border-right: none;
  overflow: hidden;
  opacity: 0;
}
.chat-panel.history-collapsed .chat-sessions-list {
  display: none;
}
.chat-panel.history-collapsed .chat-history-header {
  position: absolute;
  top: 0;
  left: 0;
  width: 28px;
  height: 56px;
  padding: 0;
  flex-direction: column;
  justify-content: center;
  gap: 4px;
  background: linear-gradient(180deg, var(--bg-secondary) 0%, #0d1a28 100%);
  border-right: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
  border-radius: 0 8px 8px 0;
  z-index: 5;
}
.chat-panel.history-collapsed .chat-collapse {
  width: 100%;
  height: 100%;
  border-radius: 0 8px 8px 0;
  color: var(--text-secondary);
}
.chat-panel.history-collapsed .chat-history-title,
.chat-panel.history-collapsed .chat-history-new {
  display: none;
}

/* ── Streaming-сессия (ответ ещё в процессе) ─────────── */
.chat-session-item.streaming {
  border-color: rgba(96, 165, 250, 0.45);
  background: linear-gradient(90deg,
    rgba(96, 165, 250, 0.12) 0%,
    rgba(96, 165, 250, 0.04) 100%);
  color: var(--text-primary);
  box-shadow: inset 0 0 0 1px rgba(96, 165, 250, 0.05);
}
.chat-session-item.streaming::before {
  content: '';
  position: absolute;
  left: 0;
  top: 6px;
  bottom: 6px;
  width: 3px;
  background: var(--blue);
  border-radius: 0 2px 2px 0;
}
.chat-session-item.streaming.active {
  background: linear-gradient(90deg,
    rgba(230, 180, 34, 0.18) 0%,
    rgba(96, 165, 250, 0.10) 100%);
  border-color: rgba(230, 180, 34, 0.4);
}
.chat-session-item.streaming.active::before {
  background: var(--accent);
}

.chat-session-spinner {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 14px;
  height: 14px;
  flex-shrink: 0;
  color: var(--blue);
  animation: sessionSpinnerSpin 1.1s linear infinite;
}
.chat-session-item.streaming.active .chat-session-spinner {
  color: var(--accent);
}
.chat-session-spinner svg {
  display: block;
  width: 12px;
  height: 12px;
  stroke: currentColor;
  fill: none;
}
@keyframes sessionSpinnerSpin {
  to { transform: rotate(360deg); }
}

/* ── Live-курсор для сообщения, которое прямо сейчас стримится ── */
.chat-message.assistant.live .chat-body::after {
  content: '▍';
  display: inline-block;
  margin-left: 2px;
  color: var(--accent);
  animation: liveBlink 0.9s steps(2, start) infinite;
  font-weight: 700;
}
@keyframes liveBlink {
  to { opacity: 0.2; }
}

/* ═══════════════════════════════════════════════════════
   Scheduled Reports Tab
   ═══════════════════════════════════════════════════════ */
.scheduled-reports-container {
  padding: 20px 24px;
  max-width: 900px;
  margin: 0 auto;
}

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

.sr-title {
  font-size: 22px;
  font-weight: 700;
  color: var(--text-primary);
  margin: 0 0 6px;
}

.sr-subtitle {
  font-size: 13px;
  color: var(--text-secondary);
  margin: 0;
  line-height: 1.5;
}

.sr-form {
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 24px;
}

.sr-metrics-table {
  margin-bottom: 20px;
}

.sr-metrics-header {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 12px;
  padding-bottom: 10px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 8px;
}

.sr-col-label {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  font-weight: 600;
  padding: 0 8px;
}

.sr-col-threshold {
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.8px;
  color: var(--text-muted);
  font-weight: 600;
  text-align: right;
  padding: 0 8px;
}

.sr-metric-row {
  display: grid;
  grid-template-columns: 1fr 180px;
  gap: 12px;
  align-items: center;
  padding: 8px 0;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
}

.sr-metric-row:hover {
  background: var(--bg-card-hover);
}

.sr-metric-row:last-child {
  border-bottom: none;
}

.sr-metric-label {
  font-size: 14px;
  color: var(--text-primary);
  padding: 0 8px;
  font-weight: 500;
}

.sr-input {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  padding: 8px 12px;
  width: 100%;
  transition: border-color var(--transition);
  font-family: var(--font-mono);
}

.sr-input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.sr-input::placeholder {
  color: var(--text-muted);
}

.sr-select {
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  color: var(--text-primary);
  font-size: 14px;
  padding: 8px 12px;
  width: 100%;
  cursor: pointer;
  transition: border-color var(--transition);
  -webkit-appearance: none;
  appearance: none;
}

.sr-select:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-glow);
}

.sr-controls {
  display: grid;
  grid-template-columns: 1fr 220px;
  gap: 16px;
  margin-bottom: 20px;
}

.sr-field {
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.sr-label {
  font-size: 12px;
  font-weight: 600;
  color: var(--text-secondary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
}

.sr-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.sr-status {
  font-size: 13px;
  margin-left: auto;
}

.btn-danger {
  background: rgba(248, 113, 113, 0.15);
  color: var(--red);
  border: 1px solid rgba(248, 113, 113, 0.3);
}

.btn-danger:hover {
  background: rgba(248, 113, 113, 0.25);
  border-color: var(--red);
}

.sr-info {
  margin-top: 24px;
  background: var(--bg-card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px 24px;
}

.sr-info h3 {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  margin: 0 0 12px;
}

.sr-info p {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0;
}

.sr-info-tag {
  display: inline-block;
  background: var(--bg-input);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 3px 10px;
  font-size: 12px;
  color: var(--accent);
  margin: 2px 4px;
  font-weight: 500;
}