:root {
  --bg: #f4efe4;
  --bg-accent: #d7e8df;
  --ink: #1f2a2c;
  --muted: #5f6d70;
  --card: rgba(255, 251, 245, 0.88);
  --line: rgba(31, 42, 44, 0.12);
  --primary: #166a63;
  --primary-strong: #0f4c47;
  --warm: #d97a36;
  --danger: #a84a35;
  --shadow: 0 24px 60px rgba(27, 46, 42, 0.12);
  --radius-xl: 28px;
  --radius-lg: 20px;
  --radius-md: 14px;
  --font-display: "Trebuchet MS", "Gill Sans", "Segoe UI", sans-serif;
  --font-body: "Segoe UI", "Trebuchet MS", sans-serif;
}

* { box-sizing: border-box; }

html, body { min-height: 100%; }

body {
  margin: 0;
  font-family: var(--font-body);
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(217, 122, 54, 0.16), transparent 36%),
    radial-gradient(circle at top right, rgba(22, 106, 99, 0.12), transparent 34%),
    linear-gradient(180deg, var(--bg) 0%, #efe6d4 100%);
}

button, input, textarea, select { font: inherit; }
button { cursor: pointer; }

/* ─── Layout ────────────────────────────────────────────────────────────── */

.page-shell {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 320px 1fr;
  gap: 18px;
  padding: 18px;
}

.prod-shell {
  min-height: 100vh;
  max-width: 1120px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 18px;
}

.sidebar,
.chat-panel {
  display: flex;
  flex-direction: column;
  gap: 18px;
  min-height: 0;
}

.prod-header {
  margin-top: 0;
}

/* ─── Cards & surfaces ──────────────────────────────────────────────────── */

.brand-block,
.card,
.chat-transcript {
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
}

.brand-block,
.card {
  border-radius: var(--radius-xl);
  padding: 20px;
}

.prod-stage {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.auth-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.auth-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.prod-chat-stage {
  display: flex;
  flex-direction: column;
  gap: 18px;
}

.prod-choice-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.prod-choice-item {
  width: 100%;
  text-align: left;
}

.chat-transcript {
  border-radius: var(--radius-xl);
  padding: 18px;
  flex: 1;
  overflow: auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
  min-height: 420px;
}

#loading-stage[aria-hidden="true"],
#session-stage[aria-hidden="true"],
#selector-stage[aria-hidden="true"],
#upload-stage[aria-hidden="true"],
#chat-stage[aria-hidden="true"] {
  display: none !important;
}

/* ─── Typography ────────────────────────────────────────────────────────── */

.eyebrow {
  margin: 0 0 8px;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.72rem;
  color: var(--primary);
  font-weight: 700;
}

h1, h2, h3 { margin: 0; font-family: var(--font-display); }
h1 { font-size: 2rem; line-height: 1.04; }
h2 { font-size: 1.2rem; }
h3 { font-size: 1rem; }

.muted,
.status-text,
.field span,
.message-label,
.dataset-meta,
.meta-list,
.hint-list,
.empty-state p {
  color: var(--muted);
}

/* ─── Forms ─────────────────────────────────────────────────────────────── */

.stack { display: flex; flex-direction: column; gap: 14px; }

.field { display: flex; flex-direction: column; gap: 8px; }
.field span { font-size: 0.86rem; font-weight: 600; }

.field input,
.field select,
.composer textarea {
  width: 100%;
  border: 1px solid rgba(31, 42, 44, 0.16);
  border-radius: var(--radius-md);
  background: rgba(255, 255, 255, 0.84);
  color: var(--ink);
  padding: 12px 14px;
}

.field input:focus,
.field select:focus,
.composer textarea:focus {
  outline: 2px solid rgba(22, 106, 99, 0.22);
  border-color: rgba(22, 106, 99, 0.44);
}

/* ─── Buttons ───────────────────────────────────────────────────────────── */

.primary-button,
.ghost-button,
.suggestion {
  border-radius: 999px;
  border: 0;
  padding: 11px 16px;
  transition: transform 140ms ease, opacity 140ms ease, background 140ms ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  text-decoration: none;
}

.primary-button {
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-strong) 100%);
  color: #fff9ef;
  font-weight: 700;
}

.primary-button:hover:not(:disabled),
.ghost-button:hover,
.suggestion:hover {
  transform: translateY(-1px);
}

.primary-button:disabled { opacity: 0.5; cursor: not-allowed; }

.ghost-button {
  background: rgba(22, 106, 99, 0.1);
  color: var(--primary-strong);
  font-weight: 700;
}

/* ─── Badges / chips ────────────────────────────────────────────────────── */

.badge,
.selected-chip {
  padding: 8px 12px;
  border-radius: 999px;
  font-size: 0.84rem;
  font-weight: 700;
}

.badge {
  background: rgba(217, 122, 54, 0.14);
  color: var(--warm);
}

.selected-chip {
  background: rgba(22, 106, 99, 0.12);
  color: var(--primary-strong);
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

/* ─── Flex helpers ──────────────────────────────────────────────────────── */

.section-heading,
.chat-header,
.composer-actions,
.dataset-row,
.header-actions {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.header-actions { flex-wrap: wrap; }

/* ─── Dataset list ──────────────────────────────────────────────────────── */

.dataset-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-height: 36vh;
  overflow: auto;
}

.dataset-item {
  width: 100%;
  text-align: left;
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.7);
  border-radius: 18px;
  padding: 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.dataset-item:hover { border-color: rgba(22, 106, 99, 0.3); }

.dataset-item.active {
  border-color: rgba(22, 106, 99, 0.5);
  background: rgba(22, 106, 99, 0.09);
}

.dataset-item strong { font-size: 0.96rem; }
.dataset-meta { font-size: 0.84rem; }

/* ─── Chat messages ─────────────────────────────────────────────────────── */

.message {
  max-width: 88%;
  padding: 14px 16px;
  border-radius: 20px;
  border: 1px solid transparent;
  animation: slide-up 180ms ease;
}

.message.user {
  align-self: flex-end;
  background: linear-gradient(135deg, rgba(22, 106, 99, 0.98), rgba(15, 76, 71, 0.92));
  color: #fdf8ef;
}

.message.agent {
  align-self: flex-start;
  background: rgba(255, 255, 255, 0.84);
  border-color: rgba(31, 42, 44, 0.1);
  max-width: 96%;
}

.message.system {
  align-self: center;
  background: rgba(168, 74, 53, 0.12);
  border-color: rgba(168, 74, 53, 0.22);
}

.message.thinking {
  align-self: flex-start;
  background: rgba(217, 122, 54, 0.12);
  border-color: rgba(217, 122, 54, 0.22);
}

.message-label {
  font-size: 0.75rem;
  font-weight: 700;
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.message.user .message-label { color: rgba(253, 248, 239, 0.6); }

.message-body {
  line-height: 1.5;
}

.message-body.plain-text {
  white-space: pre-wrap;
}

.message-body.rich-text {
  white-space: normal;
}

.message-body.rich-text > :first-child {
  margin-top: 0;
}

.message-body.rich-text > :last-child {
  margin-bottom: 0;
}

.message-body.rich-text p,
.message-body.rich-text ul,
.message-body.rich-text ol,
.message-body.rich-text blockquote,
.message-body.rich-text h4,
.message-body.rich-text h5,
.message-body.rich-text h6 {
  margin: 0 0 12px;
}

.message-body.rich-text ul,
.message-body.rich-text ol {
  padding-left: 22px;
}

.message-body.rich-text li + li {
  margin-top: 6px;
}

.message-body.rich-text blockquote {
  padding-left: 12px;
  border-left: 3px solid rgba(22, 106, 99, 0.24);
  color: var(--muted);
}

.message-body.rich-text code {
  padding: 2px 6px;
  border-radius: 8px;
  background: rgba(31, 42, 44, 0.08);
  font-family: Consolas, "Courier New", monospace;
  font-size: 0.9em;
}

.message-body.rich-text a {
  color: var(--primary-strong);
  font-weight: 700;
}

.message-body.rich-text strong {
  font-weight: 800;
}

.hint-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 12px;
}

.hint-action {
  padding: 8px 12px;
  font-size: 0.82rem;
}

/* ─── Inline result (agent response) ───────────────────────────────────── */

.inline-summary {
  margin: 0 0 12px;
  font-size: 1rem;
  line-height: 1.5;
}

.inline-kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(120px, 1fr));
  gap: 8px;
  margin-bottom: 14px;
}

.inline-kpi {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.72);
  border: 1px solid rgba(31, 42, 44, 0.08);
}

.inline-kpi-label {
  display: block;
  font-size: 0.75rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

.inline-kpi-value {
  display: block;
  font-size: 1.1rem;
  font-weight: 800;
  margin-top: 4px;
  color: var(--ink);
}

.inline-chart-wrapper {
  margin-bottom: 12px;
  border-radius: 18px;
  padding: 12px;
  background: linear-gradient(180deg, rgba(22, 106, 99, 0.06), rgba(255, 255, 255, 0.55));
  border: 1px solid rgba(31, 42, 44, 0.07);
  overflow: hidden;
}

.inline-table-details {
  margin-bottom: 8px;
}

.inline-table-details summary {
  cursor: pointer;
  font-size: 0.85rem;
  font-weight: 700;
  color: var(--primary);
  padding: 6px 0;
  user-select: none;
}

.inline-table-details summary:hover { color: var(--primary-strong); }

.inline-meta {
  margin: 6px 0 0;
  font-size: 0.76rem;
  color: var(--muted);
}

.telemetry-shell {
  margin-top: 12px;
}

.telemetry-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
  align-items: center;
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(22, 106, 99, 0.07);
  border: 1px solid rgba(22, 106, 99, 0.12);
  font-size: 0.82rem;
}

.telemetry-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 10px;
  border-radius: 999px;
  font-size: 0.74rem;
  font-weight: 800;
  text-transform: uppercase;
  letter-spacing: 0.08em;
}

.telemetry-badge.fresh {
  background: rgba(22, 106, 99, 0.14);
  color: var(--primary-strong);
}

.telemetry-badge.cache {
  background: rgba(217, 122, 54, 0.14);
  color: var(--warm);
}

.telemetry-details {
  margin-top: 8px;
}

.telemetry-details summary {
  cursor: pointer;
  font-size: 0.82rem;
  font-weight: 700;
  color: var(--primary);
  user-select: none;
}

.telemetry-stage-list,
.telemetry-call-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-top: 10px;
}

.telemetry-stage-list {
  flex-direction: row;
  flex-wrap: wrap;
}

.telemetry-chip,
.telemetry-call {
  border-radius: 12px;
  border: 1px solid rgba(31, 42, 44, 0.08);
  background: rgba(255, 255, 255, 0.7);
}

.telemetry-chip {
  padding: 8px 10px;
  font-size: 0.78rem;
  color: var(--muted);
}

.telemetry-call {
  padding: 10px 12px;
}

.telemetry-call-head,
.telemetry-call-body {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 12px;
}

.telemetry-call-head {
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--ink);
}

.telemetry-call-body {
  margin-top: 6px;
  font-size: 0.78rem;
  color: var(--muted);
}

.telemetry-empty {
  margin: 0;
  font-size: 0.8rem;
  color: var(--muted);
}

/* ─── KPI cards (legacy, for hint-list context) ─────────────────────────── */

.kpi-change { display: inline-block; font-size: 0.84rem; font-weight: 700; margin-left: 4px; }
.kpi-change.up { color: var(--primary); }
.kpi-change.down { color: var(--danger); }
.kpi-change.flat { color: var(--muted); }

/* ─── Typing dots ───────────────────────────────────────────────────────── */

.typing-dots { display: inline-flex; gap: 6px; }

.typing-dots span {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--warm);
  animation: blink 0.9s infinite ease-in-out;
}

.typing-dots span:nth-child(2) { animation-delay: 0.15s; }
.typing-dots span:nth-child(3) { animation-delay: 0.3s; }

/* ─── Prompt card ───────────────────────────────────────────────────────── */

.prompt-card { display: flex; flex-direction: column; gap: 12px; }

.suggestions { display: flex; flex-wrap: wrap; gap: 8px; min-height: 0; }

.suggestion {
  background: rgba(255, 255, 255, 0.78);
  color: var(--ink);
  border: 1px solid rgba(31, 42, 44, 0.08);
  text-align: left;
  font-size: 0.86rem;
}

.composer { display: flex; flex-direction: column; gap: 10px; }
.composer textarea { min-height: 68px; resize: vertical; }

/* ─── Tables ────────────────────────────────────────────────────────────── */

.table-wrapper {
  overflow: auto;
  border-radius: 16px;
  border: 1px solid rgba(31, 42, 44, 0.08);
  margin-top: 4px;
}

table {
  width: 100%;
  border-collapse: collapse;
  min-width: 320px;
  background: rgba(255, 255, 255, 0.72);
}

th, td {
  padding: 10px 12px;
  border-bottom: 1px solid rgba(31, 42, 44, 0.07);
  text-align: left;
  font-size: 0.88rem;
}

th {
  background: rgba(22, 106, 99, 0.08);
  position: sticky;
  top: 0;
  font-weight: 700;
}

/* ─── Pivot table ───────────────────────────────────────────────────────── */

.pivot-table .pivot-total { background: rgba(22, 106, 99, 0.08); font-weight: 700; }
.pivot-total-row td { background: rgba(22, 106, 99, 0.06); font-weight: 700; }

/* ─── Charts ────────────────────────────────────────────────────────────── */

.chart-svg { width: 100%; height: auto; display: block; }

/* ─── Meta pills ────────────────────────────────────────────────────────── */

.meta-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 10px;
}

.meta-pill {
  padding: 10px 12px;
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.74);
  border: 1px solid rgba(31, 42, 44, 0.08);
  font-size: 0.84rem;
}

/* ─── Empty / status states ─────────────────────────────────────────────── */

.empty-state {
  padding: 18px;
  border-radius: 20px;
  background: rgba(255, 255, 255, 0.58);
  border: 1px dashed rgba(31, 42, 44, 0.14);
}

.empty-state.compact { padding: 8px 0; background: transparent; border: 0; }
.empty-state h3 { margin-bottom: 8px; }

.status-text { margin: 0; font-size: 0.86rem; }
.status-text.error { color: var(--danger); }
.status-text.success { color: var(--primary); }
.status-text.warn { color: var(--warm); }

/* ─── Animations ────────────────────────────────────────────────────────── */

@keyframes blink {
  0%, 80%, 100% { transform: translateY(0); opacity: 0.35; }
  40% { transform: translateY(-4px); opacity: 1; }
}

@keyframes slide-up {
  from { opacity: 0; transform: translateY(8px); }
  to { opacity: 1; transform: translateY(0); }
}

/* ─── Chat header ───────────────────────────────────────────────────────── */

.chat-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  background: var(--card);
  border: 1px solid var(--line);
  box-shadow: var(--shadow);
  backdrop-filter: blur(12px);
  border-radius: var(--radius-xl);
  padding: 16px 20px;
}

/* ─── Analytics page ────────────────────────────────────────────────────── */

.analytics-shell {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 18px;
  padding: 18px;
}

.analytics-header h1 { font-size: 2rem; }

.analytics-filters-card {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.analytics-filter-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(190px, 1fr));
  gap: 14px;
}

.analytics-summary-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 14px;
}

.analytics-chart-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.analytics-chart-scroller {
  overflow-x: auto;
  border-radius: 18px;
  border: 1px solid rgba(31, 42, 44, 0.08);
  background: rgba(255, 255, 255, 0.72);
  padding: 10px;
}

.analytics-chart-svg {
  min-width: 100%;
}

.analytics-kpi-card {
  min-height: 126px;
  display: flex;
  flex-direction: column;
  justify-content: space-between;
}

.analytics-kpi-value {
  font-size: 1.5rem;
  font-weight: 800;
  line-height: 1.1;
  color: var(--ink);
}

.analytics-breakdown-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
}

.analytics-breakdown-card {
  min-height: 240px;
}

.analytics-table-card {
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.analytics-table-wrapper th,
.analytics-breakdown-table th {
  white-space: nowrap;
}

.analytics-question-cell {
  min-width: 260px;
  max-width: 420px;
  word-break: break-word;
}

.analytics-pagination {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}

.audit-status {
  display: inline-flex;
  align-items: center;
  padding: 5px 10px;
  border-radius: 999px;
  font-size: 0.76rem;
  font-weight: 800;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.audit-status.success {
  background: rgba(22, 106, 99, 0.14);
  color: var(--primary-strong);
}

.audit-status.warn {
  background: rgba(217, 122, 54, 0.16);
  color: var(--warm);
}

.audit-status.error {
  background: rgba(168, 74, 53, 0.14);
  color: var(--danger);
}

.audit-row-details summary {
  cursor: pointer;
  color: var(--primary);
  font-weight: 700;
}

.audit-detail-block {
  margin-top: 10px;
  min-width: 520px;
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.analytics-detail-text {
  margin: 0;
  color: var(--ink);
}

.analytics-chip-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

/* ─── Responsive ────────────────────────────────────────────────────────── */

@media (max-width: 900px) {
  .page-shell {
    grid-template-columns: 1fr;
    padding: 12px;
    gap: 14px;
  }

  .brand-block, .card, .chat-transcript, .chat-header {
    border-radius: 22px;
    padding: 16px;
  }

  .chat-header, .composer-actions, .header-actions {
    flex-direction: column;
    align-items: stretch;
  }

  .analytics-shell {
    padding: 12px;
    gap: 14px;
  }

  .analytics-breakdown-grid {
    grid-template-columns: 1fr;
  }

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

  .message { max-width: 100%; }
  .message.agent { max-width: 100%; }
}