:root {
  --ink: #10212d;
  --muted: #64717b;
  --line: #dfe5e8;
  --paper: #f7f8f6;
  --surface: #ffffff;
  --navy: #102b3b;
  --teal: #2b6970;
  --soft-teal: #e7f0ef;
  --warm: #f1eee8;
  --danger: #a23b3b;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
body {
  font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--paper);
  color: var(--ink);
}
button, textarea { font: inherit; }

.app-page { min-height: 100vh; }
.app-nav {
  height: 64px;
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 clamp(20px, 5vw, 72px);
  border-bottom: 1px solid var(--line);
  background: rgba(247, 248, 246, 0.96);
  backdrop-filter: blur(14px);
}
.brand {
  font-weight: 850;
  letter-spacing: 0.14em;
}
.nav-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 13px;
}
.beta-badge, .model-chip, .status-chip, .muted-badge {
  display: inline-flex;
  align-items: center;
  border-radius: 999px;
  padding: 6px 10px;
  font-size: 11px;
  font-weight: 760;
}
.beta-badge { background: var(--warm); color: #756654; }
.model-chip, .status-chip { background: var(--soft-teal); color: var(--teal); }
.muted-badge { background: #ecefed; color: #687375; }

.advisor-shell {
  height: calc(100vh - 64px);
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(350px, 0.72fr);
}
.chat-panel {
  min-width: 0;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--surface);
  border-right: 1px solid var(--line);
}
.chat-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 20px;
  padding: 28px 36px 20px;
  border-bottom: 1px solid var(--line);
}
.eyebrow {
  margin: 0 0 8px;
  color: var(--teal);
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 11px;
  font-weight: 800;
}
.chat-header h1, .workspace-heading h2 {
  margin: 0;
  font-size: 24px;
  line-height: 1.15;
  letter-spacing: -0.02em;
}
.live-indicator {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  margin-top: 9px;
  color: var(--muted);
  font-size: 12px;
}
.live-indicator::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--teal);
}

.conversation {
  overflow-y: auto;
  padding: 32px 36px 24px;
  scroll-behavior: smooth;
}
.welcome-card {
  display: flex;
  gap: 16px;
  max-width: 690px;
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: #f4f7f5;
}
.welcome-card h2 { margin: 0 0 8px; font-size: 19px; }
.welcome-card p { margin: 0; color: var(--muted); line-height: 1.62; }
.sample-prompt {
  margin-top: 16px;
  border: 1px solid #cbd7d5;
  border-radius: 999px;
  padding: 8px 12px;
  background: #fff;
  color: var(--teal);
  font-size: 12px;
  font-weight: 750;
  cursor: pointer;
}
.assistant-mark {
  width: 36px;
  height: 36px;
  flex: 0 0 36px;
  display: grid;
  place-items: center;
  border-radius: 50%;
  background: var(--navy);
  color: #fff;
  font-family: Georgia, serif;
  font-weight: 700;
}
.assistant-mark.small {
  width: 28px;
  height: 28px;
  flex-basis: 28px;
  margin-top: 2px;
  font-size: 12px;
}
.message-row {
  max-width: 850px;
  display: flex;
  gap: 12px;
  margin-bottom: 24px;
}
.message-row.user {
  margin-left: auto;
  justify-content: flex-end;
}
.message-bubble {
  white-space: pre-wrap;
  overflow-wrap: anywhere;
  font-size: 15px;
  line-height: 1.66;
}
.user-bubble {
  max-width: 75%;
  padding: 12px 16px;
  border-radius: 16px 16px 4px 16px;
  background: #edf1f1;
}
.assistant-bubble { max-width: 92%; }
.tool-progress {
  max-width: 560px;
  display: flex;
  align-items: center;
  gap: 10px;
  margin: -6px 0 22px 40px;
  padding: 11px 13px;
  border: 1px solid #d9e4e2;
  border-radius: 12px;
  background: #f5f9f8;
  color: var(--muted);
  font-size: 13px;
}
.tool-progress.tool-error { border-color: #ead1d1; background: #fff7f7; }
.tool-progress-copy { display: flex; flex-direction: column; gap: 2px; }
.tool-progress strong { color: var(--teal); font-size: 12px; }
.tool-error strong { color: var(--danger); }
.pulse-dot {
  width: 8px;
  height: 8px;
  flex: 0 0 8px;
  border-radius: 50%;
  background: var(--teal);
  animation: pulse 1.2s infinite ease-in-out;
}
.live-status-inline {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 8px 10px;
  color: var(--muted);
  font-size: 13px;
}
@keyframes pulse {
  0%, 100% { opacity: 0.35; transform: scale(0.8); }
  50% { opacity: 1; transform: scale(1); }
}

.composer {
  margin: 0 28px 26px;
  border: 1px solid #cfd8d9;
  border-radius: 18px;
  background: #fff;
  box-shadow: 0 8px 30px rgba(17, 43, 59, 0.06);
}
.composer textarea {
  width: 100%;
  min-height: 82px;
  resize: none;
  border: 0;
  outline: 0;
  padding: 16px 18px 7px;
  background: transparent;
  color: var(--ink);
  line-height: 1.5;
}
.composer textarea:disabled { opacity: 0.65; }
.composer-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 7px 10px 10px 18px;
  color: var(--muted);
  font-size: 11px;
}
.send-button {
  min-width: 78px;
  height: 38px;
  border: 0;
  border-radius: 999px;
  padding: 0 16px;
  background: var(--navy);
  color: #fff;
  font-weight: 760;
  cursor: pointer;
}
.send-button:disabled { opacity: 0.35; cursor: default; }
.stop-button { background: #e8eceb; color: var(--ink); }

.workspace-panel {
  overflow-y: auto;
  padding: 30px 28px;
  background: #f3f5f3;
}
.workspace-heading {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 16px;
  padding-bottom: 24px;
}
.workspace-section {
  padding: 24px 0;
  border-top: 1px solid #d9dfdc;
}
.workspace-section h3 {
  margin: 0 0 16px;
  font-size: 12px;
  text-transform: uppercase;
  letter-spacing: 0.09em;
}
.section-title-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}
.section-title-row h3 { margin: 0; }
.trip-fields {
  display: grid;
  gap: 1px;
  margin: 0;
  border: 1px solid #dfe4e1;
  background: #dfe4e1;
}
.trip-fields div {
  display: grid;
  grid-template-columns: 130px 1fr;
  gap: 12px;
  padding: 12px 14px;
  background: #fff;
}
.trip-fields dt { color: var(--muted); font-size: 12px; }
.trip-fields dd { margin: 0; font-size: 13px; font-weight: 670; }
.empty-workspace {
  margin-top: 16px;
  padding: 18px;
  border: 1px dashed #cad2ce;
  border-radius: 12px;
  background: #fff;
}
.empty-workspace strong { font-size: 13px; }
.empty-workspace p { margin: 7px 0 0; color: var(--muted); font-size: 12px; line-height: 1.55; }
.hub-list, .candidate-list { display: grid; gap: 8px; margin-top: 16px; }
.hub-card, .candidate-card {
  border: 1px solid #dfe4e1;
  border-radius: 10px;
  background: #fff;
}
.hub-card { padding: 12px 14px; }
.hub-card-top { display: flex; align-items: baseline; gap: 8px; }
.hub-card-top span, .hub-card small, .candidate-card small { color: var(--muted); font-size: 10px; }
.hub-card small { display: block; margin-top: 5px; }
.candidate-card { padding: 14px; }
.candidate-top { display: flex; align-items: flex-start; justify-content: space-between; gap: 12px; }
.candidate-top > div { display: flex; flex-direction: column; gap: 3px; }
.candidate-top span { color: var(--muted); font-size: 10px; }
.candidate-top b { font-size: 14px; }
.candidate-facts { display: flex; flex-wrap: wrap; gap: 6px; margin: 11px 0 7px; }
.candidate-facts span {
  padding: 5px 7px;
  border-radius: 6px;
  background: #f1f4f2;
  color: #536166;
  font-size: 10px;
}

@media (max-width: 920px) {
  .advisor-shell { height: auto; grid-template-columns: 1fr; }
  .chat-panel { min-height: calc(100vh - 64px); border-right: 0; }
  .workspace-panel { border-top: 1px solid var(--line); }
}

@media (max-width: 600px) {
  .app-nav { padding-inline: 18px; }
  .nav-meta > span:first-child { display: none; }
  .chat-header, .conversation { padding-left: 18px; padding-right: 18px; }
  .composer { margin-left: 14px; margin-right: 14px; }
  .composer-footer > span { display: none; }
  .workspace-panel { padding-inline: 18px; }
  .trip-fields div { grid-template-columns: 1fr; gap: 4px; }
  .user-bubble { max-width: 90%; }
}