@font-face {
  font-family: "Inter";
  src: url("/static/fonts/InterVariable.woff2") format("woff2");
  font-weight: 100 900;
  font-style: normal;
  font-display: swap;
}

:root {
  --token-ink: #111827;
  --token-muted-text: #57606B;
  --token-muted-line: #D1D5DB;
  --token-neutral-fill: #E2E8F0;
  --token-primary: #2F9E8F;
  --token-primary-dark: #20756A;
  --token-positive: #15803D;
  --token-negative: #C0392B;
  --token-warning: #B45309;
  --token-highlight: #B4554D;
  --token-background: #FFFFFF;
  --token-panel: #F6FAF9;
  --token-diverging-low: #3B6FB6;
  --token-diverging-mid: #F7F7F7;
  --token-diverging-high: #C0392B;
  --palette-primary: #2F9E8F;
  --palette-blue: #5B7DB1;
  --palette-orange: #C0703F;
  --palette-purple: #7A5195;
  --palette-gray: #8A8F98;
  --palette-ink: #374151;
  --theme-dark-bg: #101216;
  --theme-dark-panel: #16181D;
  --theme-dark-panel-strong: #1F242C;
  --theme-dark-text: #E8EAED;
  --theme-dark-muted: #B7C0C8;
  --theme-dark-line: #343B46;
  --theme-dark-fill: #242B34;
  --theme-light-line-soft: #E9EEEF;
  --theme-light-user: #EAF4F2;
  --theme-danger-soft: #FFF1ED;
  --theme-warning-soft: #FFF7E8;
  --theme-positive-soft: #EAF8EF;
  --theme-info-soft: #EEF4FF;
  --theme-purple-soft: #F5F1FF;
  --theme-neutral-soft: #F8FAFC;
  --white: #FFFFFF;
  --black: #000000;
  --focus-ring-color: rgba(47, 158, 143, 0.34);
  --shadow-color: rgba(17, 24, 39, 0.08);
  --shadow-color-strong: rgba(17, 24, 39, 0.14);
  --overlay-color: rgba(17, 24, 39, 0.58);

  --font-family: Inter, -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  --report-font-family: "DejaVu Sans", var(--font-family);
  --max-width: 1160px;
  --radius-card: 12px;
  --radius-control: 8px;
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
  --text-xs: 13px;
  --text-sm: 15px;
  --text-md: 18px;
  --text-lg: 24px;
  --text-xl: 32px;

  --bg: var(--token-background);
  --panel: var(--token-background);
  --panel-soft: var(--token-panel);
  --panel-strong: var(--white);
  --border: var(--token-muted-line);
  --border-soft: var(--theme-light-line-soft);
  --text: var(--token-ink);
  --muted: var(--token-muted-text);
  --fill: var(--token-neutral-fill);
  --accent: var(--token-primary);
  --accent-strong: var(--token-primary-dark);
  --accent-soft: color-mix(in srgb, var(--accent) 12%, transparent);
  --positive: var(--token-positive);
  --positive-soft: var(--theme-positive-soft);
  --negative: var(--token-negative);
  --negative-soft: var(--theme-danger-soft);
  --warning: var(--token-warning);
  --warning-soft: var(--theme-warning-soft);
  --highlight: var(--token-highlight);
  --info: var(--token-diverging-low);
  --info-soft: var(--theme-info-soft);
  --purple: var(--palette-purple);
  --purple-soft: var(--theme-purple-soft);
  --neutral-soft: var(--theme-neutral-soft);
  --user-bg: var(--theme-light-user);
  --chart-bg: var(--token-background);
  --on-accent: var(--token-ink);
  --shadow-soft: 0 1px 3px var(--shadow-color);
  --shadow-float: 0 18px 60px var(--shadow-color-strong);
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: var(--theme-dark-bg);
    --panel: var(--theme-dark-panel);
    --panel-soft: var(--theme-dark-panel-strong);
    --panel-strong: var(--theme-dark-panel-strong);
    --border: var(--theme-dark-line);
    --border-soft: color-mix(in srgb, var(--theme-dark-line) 68%, transparent);
    --text: var(--theme-dark-text);
    --muted: var(--theme-dark-muted);
    --fill: var(--theme-dark-fill);
    --accent: var(--token-primary);
    --accent-strong: var(--token-primary);
    --accent-soft: color-mix(in srgb, var(--accent) 20%, transparent);
    --positive-soft: color-mix(in srgb, var(--positive) 20%, transparent);
    --negative-soft: color-mix(in srgb, var(--negative) 20%, transparent);
    --warning-soft: color-mix(in srgb, var(--warning) 20%, transparent);
    --info-soft: color-mix(in srgb, var(--info) 20%, transparent);
    --purple-soft: color-mix(in srgb, var(--purple) 18%, transparent);
    --neutral-soft: var(--theme-dark-fill);
    --user-bg: color-mix(in srgb, var(--accent) 18%, var(--panel));
    --on-accent: var(--token-ink);
  }
}

:root[data-theme="dark"] {
  --bg: var(--theme-dark-bg);
  --panel: var(--theme-dark-panel);
  --panel-soft: var(--theme-dark-panel-strong);
  --panel-strong: var(--theme-dark-panel-strong);
  --border: var(--theme-dark-line);
  --border-soft: color-mix(in srgb, var(--theme-dark-line) 68%, transparent);
  --text: var(--theme-dark-text);
  --muted: var(--theme-dark-muted);
  --fill: var(--theme-dark-fill);
  --accent: var(--token-primary);
  --accent-strong: var(--token-primary);
  --accent-soft: color-mix(in srgb, var(--accent) 20%, transparent);
  --positive-soft: color-mix(in srgb, var(--positive) 20%, transparent);
  --negative-soft: color-mix(in srgb, var(--negative) 20%, transparent);
  --warning-soft: color-mix(in srgb, var(--warning) 20%, transparent);
  --info-soft: color-mix(in srgb, var(--info) 20%, transparent);
  --purple-soft: color-mix(in srgb, var(--purple) 18%, transparent);
  --neutral-soft: var(--theme-dark-fill);
  --user-bg: color-mix(in srgb, var(--accent) 18%, var(--panel));
  --on-accent: var(--token-ink);
}

:root[data-theme="light"] {
  --bg: var(--token-background);
  --panel: var(--token-background);
  --panel-soft: var(--token-panel);
  --panel-strong: var(--white);
  --border: var(--token-muted-line);
  --border-soft: var(--theme-light-line-soft);
  --text: var(--token-ink);
  --muted: var(--token-muted-text);
  --fill: var(--token-neutral-fill);
  --accent: var(--token-primary);
  --accent-strong: var(--token-primary-dark);
  --accent-soft: color-mix(in srgb, var(--accent) 12%, transparent);
  --positive-soft: var(--theme-positive-soft);
  --negative-soft: var(--theme-danger-soft);
  --warning-soft: var(--theme-warning-soft);
  --info-soft: var(--theme-info-soft);
  --purple-soft: var(--theme-purple-soft);
  --neutral-soft: var(--theme-neutral-soft);
  --user-bg: var(--theme-light-user);
  --on-accent: var(--token-ink);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background: var(--bg);
  overflow-x: hidden;
}

body {
  min-height: 100vh;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-family);
  font-size: var(--text-sm);
  line-height: 1.5;
  letter-spacing: 0;
  overflow-x: hidden;
}

button,
input,
textarea {
  font: inherit;
}

button,
a,
input,
textarea,
summary {
  touch-action: manipulation;
}

button {
  color: inherit;
}

button:focus-visible,
a:focus-visible,
input:focus-visible,
textarea:focus-visible,
summary:focus-visible {
  outline: 3px solid var(--focus-ring-color);
  outline-offset: 2px;
}

button:disabled,
input:disabled,
textarea:disabled {
  cursor: default;
  opacity: 0.62;
}

[hidden] {
  display: none !important;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

.chat-app,
.app-shell {
  display: flex;
  flex-direction: column;
  min-height: 100vh;
  background:
    linear-gradient(180deg, var(--panel-soft), transparent 320px),
    var(--bg);
}

.app-header,
.thread,
.composer,
.recent-projects,
.app-footer {
  width: min(100%, var(--max-width));
  margin: 0 auto;
  min-width: 0;
}

.app-header,
.chat-header {
  position: sticky;
  top: 0;
  z-index: 50;
  display: grid;
  grid-template-columns: minmax(180px, auto) minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: center;
  padding: var(--space-4) var(--space-5);
  border-bottom: 1px solid var(--border-soft);
  background: color-mix(in srgb, var(--panel) 94%, transparent);
  backdrop-filter: blur(16px);
}

.brand {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: var(--space-3);
  color: var(--text);
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  width: 40px;
  height: 40px;
  place-items: center;
  border-radius: var(--radius-control);
  background: var(--accent);
  color: var(--on-accent);
  font-size: var(--text-xs);
  font-weight: 800;
}

.chat-title,
.brand strong {
  display: block;
  color: var(--text);
  font-size: var(--text-md);
  font-weight: 800;
  line-height: 1.2;
}

.brand small {
  display: block;
  color: var(--muted);
  font-size: var(--text-xs);
  line-height: 1.2;
}

.stage-nav {
  display: flex;
  width: 100%;
  min-width: 0;
  max-width: 100%;
  gap: var(--space-1);
  overflow-x: auto;
  overflow-y: hidden;
  padding: var(--space-1);
  scrollbar-width: none;
}

.stage-nav::-webkit-scrollbar {
  display: none;
}

.stage-chip {
  flex: 0 0 auto;
  display: inline-flex;
  align-items: center;
  min-height: 28px;
  border: 1px solid transparent;
  border-radius: 999px;
  padding: 0 var(--space-2);
  color: var(--muted);
  background: transparent;
  font-size: var(--text-xs);
  font-weight: 700;
  white-space: nowrap;
}

.stage-chip.active,
body[data-stage="start"] .stage-chip[data-stage-chip="start"],
body[data-stage="clarify"] .stage-chip[data-stage-chip="clarify"],
body[data-stage="observe"] .stage-chip[data-stage-chip="observe"],
body[data-stage="preview"] .stage-chip[data-stage-chip="preview"],
body[data-stage="result"] .stage-chip[data-stage-chip="result"] {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--accent-soft);
  box-shadow: none;
}

.header-actions {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: var(--space-2);
  min-width: 0;
}

.chat-sub {
  max-width: 180px;
  overflow: hidden;
  color: var(--muted);
  font-size: var(--text-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.ghost-btn,
.icon-btn,
.stop-run,
.steer-form button,
.q-options button,
.q-custom button,
.generate-report-btn,
.result-tabs button,
.auth-submit,
.send-btn {
  min-height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--panel);
  color: var(--text);
  cursor: pointer;
  font-size: var(--text-xs);
  font-weight: 700;
  line-height: 1;
  transition: background 150ms ease, border-color 150ms ease, transform 120ms ease, opacity 150ms ease;
}

.ghost-btn:hover,
.icon-btn:hover,
.q-options button:hover,
.result-tabs button:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.ghost-btn:active,
.icon-btn:active,
.stop-run:active,
.steer-form button:active,
.q-options button:active,
.q-custom button:active,
.generate-report-btn:active,
.result-tabs button:active,
.auth-submit:active,
.send-btn:active {
  transform: translateY(1px);
}

.ghost-btn {
  padding: 0 var(--space-3);
}

.icon-btn {
  display: inline-grid;
  width: 38px;
  place-items: center;
  padding: 0;
}

.thread {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--space-4);
  overflow-x: hidden;
  padding: var(--space-5);
}

body[data-stage="start"] .thread {
  flex: 0 0 auto;
  padding-bottom: 0;
}

body[data-stage="start"] .composer {
  position: static;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  padding: var(--space-4);
}

body[data-stage="start"] .recent-projects {
  margin-top: var(--space-3);
}

body[data-stage="start"] .app-footer {
  margin-top: auto;
}

body:not([data-stage="start"]) .recent-projects {
  display: none;
}

.stage-panel,
.welcome {
  width: 100%;
}

.welcome {
  display: grid;
  gap: var(--space-4);
  align-content: start;
}

.welcome-copy {
  max-width: 760px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  border-radius: 999px;
  padding: 0 var(--space-2);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: var(--text-xs);
  font-weight: 800;
}

.welcome h1,
.result-hero h2 {
  margin: var(--space-3) 0 var(--space-2);
  color: var(--text);
  font-size: var(--text-xl);
  line-height: 1.16;
  letter-spacing: 0;
}

.welcome p,
.result-hero p {
  max-width: 780px;
  margin: 0;
  color: var(--muted);
  font-size: var(--text-sm);
}

.projects-panel {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  padding: var(--space-4);
}

.recent-projects {
  padding: 0;
}

.recent-projects summary,
.advanced-options summary {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  cursor: pointer;
  list-style: none;
  color: var(--text);
}

.recent-projects summary {
  padding: var(--space-4);
}

.recent-projects summary::-webkit-details-marker,
.advanced-options summary::-webkit-details-marker {
  display: none;
}

.recent-projects summary::after,
.advanced-options summary::after {
  content: "+";
  display: inline-grid;
  flex: 0 0 auto;
  width: 28px;
  height: 28px;
  place-items: center;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  color: var(--muted);
  font-weight: 800;
}

.recent-projects[open] summary::after,
.advanced-options[open] summary::after {
  content: "-";
}

.recent-projects summary span,
.advanced-options summary {
  font-weight: 800;
}

.recent-projects summary small {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 500;
}

.projects-content {
  border-top: 1px solid var(--border-soft);
  padding: var(--space-4);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-4);
  margin-bottom: var(--space-3);
}

.section-head h2 {
  margin: var(--space-1) 0 0;
  font-size: var(--text-md);
  line-height: 1.25;
}

.search-field {
  flex: 0 1 300px;
}

.search-field input {
  width: 100%;
  min-height: 40px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--panel-strong);
  color: var(--text);
  padding: 0 var(--space-3);
}

.projects-list {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-3);
}

.project-card {
  display: grid;
  gap: var(--space-1);
  min-width: 0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  background: var(--panel-soft);
  padding: var(--space-3);
  color: var(--text);
  text-align: left;
  cursor: pointer;
}

.project-card:hover {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.project-card strong {
  overflow: hidden;
  font-size: var(--text-sm);
  line-height: 1.3;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-card > span:last-child {
  overflow: hidden;
  color: var(--muted);
  font-size: var(--text-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.project-status {
  justify-self: start;
  border-radius: 999px;
  padding: 2px var(--space-2);
  background: var(--neutral-soft);
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
}

.project-status.preview {
  background: var(--warning-soft);
  color: var(--warning);
}

.project-status.result {
  background: var(--positive-soft);
  color: var(--positive);
}

.project-status.clarify {
  background: var(--purple-soft);
  color: var(--purple);
}

.project-status.observe {
  background: var(--info-soft);
  color: var(--info);
}

.skeleton-card {
  min-height: 88px;
  border-radius: var(--radius-control);
  background: linear-gradient(90deg, var(--panel-soft), var(--fill), var(--panel-soft));
  background-size: 220% 100%;
  animation: skeleton-sweep 1200ms ease-in-out infinite;
}

.empty-state {
  border: 1px dashed var(--border);
  border-radius: var(--radius-control);
  background: var(--panel-soft);
  color: var(--muted);
  padding: var(--space-3);
  font-size: var(--text-xs);
}

.msg {
  display: flex;
  width: 100%;
}

.msg.user {
  justify-content: flex-end;
}

.msg.agent {
  justify-content: flex-start;
}

.bubble {
  width: fit-content;
  max-width: min(86%, 920px);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  color: var(--text);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.5;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.msg.user .bubble {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
  background: var(--user-bg);
}

.msg.agent .bubble,
.workbench {
  width: min(100%, 980px);
  max-width: 100%;
}

.workbench {
  white-space: normal;
}

.msg-files {
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: var(--text-xs);
}

.status-chip {
  display: inline-flex;
  align-items: center;
  min-height: 26px;
  border-radius: 999px;
  padding: 0 var(--space-3);
  background: var(--accent-soft);
  color: var(--accent-strong);
  font-size: var(--text-xs);
  font-weight: 800;
}

.live-now {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 160px;
  gap: var(--space-4);
  align-items: center;
  margin-top: var(--space-3);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  background: var(--panel-soft);
  padding: var(--space-3);
  white-space: normal;
}

.live-copy {
  min-width: 0;
}

.live-copy span {
  display: block;
  color: var(--muted);
  font-size: 11px;
  font-weight: 800;
  text-transform: uppercase;
}

.live-copy strong {
  display: block;
  color: var(--text);
  font-size: var(--text-md);
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.live-copy p {
  margin: var(--space-1) 0 0;
  color: var(--muted);
  font-size: var(--text-xs);
}

.plan-meter {
  min-width: 0;
}

.plan-bar {
  height: 9px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--fill);
}

.plan-bar span {
  display: block;
  width: 0%;
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 180ms ease;
}

.plan-meter small {
  display: block;
  margin-top: var(--space-1);
  color: var(--muted);
  font-size: 11px;
  text-align: right;
}

.progress-rail {
  display: grid;
  grid-template-columns: repeat(7, minmax(0, 1fr));
  gap: var(--space-2);
  margin: var(--space-3) 0;
}

.progress-step {
  min-width: 0;
  display: flex;
  align-items: center;
  gap: var(--space-1);
  color: var(--muted);
  font-size: 11px;
  white-space: nowrap;
}

.progress-step span {
  flex: 0 0 auto;
  width: 9px;
  height: 9px;
  border: 1px solid var(--border);
  border-radius: 50%;
  background: var(--panel);
}

.progress-step label {
  overflow: hidden;
  text-overflow: ellipsis;
}

.progress-step.done span {
  border-color: var(--accent);
  background: var(--accent);
}

.progress-step.current {
  color: var(--text);
  font-weight: 800;
}

.progress-step.current span {
  border-color: var(--accent);
  background: var(--panel);
  box-shadow: 0 0 0 4px var(--accent-soft);
}

.intervention-panel {
  display: grid;
  grid-template-columns: auto minmax(0, 1fr);
  gap: var(--space-2);
  align-items: center;
  margin: var(--space-3) 0;
  white-space: normal;
}

.stop-run {
  border-color: var(--border-soft);
  background: var(--panel);
  color: var(--muted);
  padding: 0 var(--space-3);
}

.stop-run:hover:not(:disabled) {
  border-color: var(--negative);
  background: var(--negative-soft);
  color: var(--negative);
}

.steer-form {
  min-width: 0;
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2);
}

.steer-form input,
.q-custom input {
  min-width: 0;
  min-height: 36px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--panel-strong);
  color: var(--text);
  padding: 0 var(--space-3);
}

.steer-form button,
.q-custom button,
.generate-report-btn,
.auth-submit {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
  padding: 0 var(--space-3);
}

.steer-form button:hover:not(:disabled),
.q-custom button:hover:not(:disabled),
.generate-report-btn:hover:not(:disabled),
.auth-submit:hover:not(:disabled) {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.intervention-status {
  grid-column: 1 / -1;
  min-height: 18px;
  color: var(--muted);
  font-size: var(--text-xs);
}

.intervention-status.ok {
  color: var(--positive);
}

.intervention-status.warn {
  color: var(--warning);
}

.timeline-panel {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  background: var(--panel-soft);
  padding: 0;
  white-space: normal;
}

.timeline-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  cursor: pointer;
  list-style: none;
  padding: var(--space-3);
  color: var(--text);
  font-size: var(--text-xs);
  font-weight: 800;
}

.timeline-title::-webkit-details-marker {
  display: none;
}

.timeline-title::after {
  content: "+";
  display: inline-grid;
  width: 24px;
  height: 24px;
  place-items: center;
  border: 1px solid var(--border-soft);
  border-radius: 999px;
  color: var(--muted);
  font-weight: 800;
}

.timeline-panel[open] .timeline-title::after {
  content: "-";
}

.timeline-title span,
.chart-preview-title span,
.code-title span,
.methodology-accordion summary span,
.question-map-title span,
.presentation-qa-rules span {
  border-radius: 999px;
  background: var(--neutral-soft);
  color: var(--muted);
  padding: 2px var(--space-2);
  font-size: 11px;
  font-weight: 800;
}

.timeline-list {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  border-top: 1px solid var(--border-soft);
  padding: var(--space-3);
}

.timeline-row {
  display: grid;
  grid-template-columns: 10px minmax(90px, 1fr) auto;
  gap: var(--space-2);
  align-items: center;
  min-width: 0;
  color: var(--muted);
  font-size: var(--text-xs);
}

.timeline-row > span {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--warning);
}

.timeline-row.done > span {
  background: var(--accent);
}

.timeline-row.error > span {
  background: var(--negative);
}

.timeline-row strong {
  min-width: 0;
  overflow: hidden;
  color: var(--text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.timeline-row em {
  color: var(--muted);
  font-style: normal;
  font-variant-numeric: tabular-nums;
}

.timeline-row p {
  grid-column: 2 / -1;
  margin: -2px 0 0;
  overflow: hidden;
  color: var(--muted);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.thinking {
  margin: var(--space-3) 0 0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  background: var(--panel);
  white-space: normal;
}

.thinking summary {
  cursor: pointer;
  padding: var(--space-3);
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 800;
}

.reasoning-text {
  min-height: 140px;
  max-height: 260px;
  overflow: auto;
  border-top: 1px solid var(--border-soft);
  padding: var(--space-3);
  color: var(--text);
  font-size: var(--text-xs);
  line-height: 1.5;
  white-space: pre-wrap;
}

.tool-lines {
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  max-height: 180px;
  overflow: auto;
  border-top: 1px solid var(--border-soft);
  padding: var(--space-3);
}

.tool-line {
  color: var(--positive);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: var(--text-xs);
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}

.questions {
  margin-top: var(--space-3);
}

.question {
  border: 1px solid var(--accent);
  border-radius: var(--radius-card);
  background: var(--panel-soft);
  box-shadow: var(--shadow-soft);
  padding: var(--space-4);
  white-space: normal;
}

.q-title {
  color: var(--text);
  font-size: var(--text-md);
  font-weight: 800;
}

.q-body,
.q-timer {
  margin-top: var(--space-1);
  color: var(--muted);
  font-size: var(--text-xs);
}

.q-timer {
  color: var(--warning);
}

.q-options {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.q-options button {
  border-color: var(--accent);
  color: var(--accent-strong);
  background: var(--panel);
  padding: 0 var(--space-3);
}

.q-custom {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.q-picked {
  color: var(--muted);
  font-size: var(--text-xs);
}

.result {
  margin-top: var(--space-3);
}

.analytics-ready-panel,
.client-final,
.quality-panel,
.signal-panel,
.chart-preview-panel,
.privacy-panel,
.research-memory-panel,
.question-map-panel,
.scale-caveats-panel,
.method-checks-panel,
.code-panel,
.presentation-qa-panel,
.methodology-accordion {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  background: var(--panel);
  box-shadow: var(--shadow-soft);
  padding: var(--space-4);
  white-space: normal;
}

.analytics-ready-panel {
  border-color: color-mix(in srgb, var(--accent) 28%, var(--border));
  background: var(--panel-soft);
}

.analytics-ready-title {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: var(--space-4);
  align-items: start;
}

.report-format-actions {
  display: flex;
  flex-direction: column;
  align-items: stretch;
  gap: var(--space-2);
}

.report-format-actions .generate-report-btn {
  white-space: nowrap;
}

.generate-report-btn--secondary {
  border-color: var(--border);
  background: var(--panel);
  color: var(--text);
}

.generate-report-btn--secondary:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.analytics-ready-title span {
  display: block;
  color: var(--accent-strong);
  font-size: var(--text-xs);
  font-weight: 800;
  text-transform: uppercase;
}

.analytics-ready-title strong {
  display: block;
  margin-top: var(--space-1);
  color: var(--text);
  font-size: var(--text-md);
  line-height: 1.35;
}

.generate-report-btn {
  min-height: 40px;
  white-space: nowrap;
}

.analytics-ready-stats,
.quality-grid,
.research-memory-grid,
.presentation-qa-grid,
.privacy-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.analytics-ready-stats div,
.quality-grid div,
.research-memory-grid div,
.presentation-qa-grid div,
.privacy-grid div {
  min-width: 0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  background: var(--panel-strong);
  padding: var(--space-2);
}

.analytics-ready-stats strong,
.quality-grid span,
.research-memory-grid strong,
.presentation-qa-grid strong,
.privacy-grid strong,
.result-numbers strong {
  display: block;
  overflow: hidden;
  color: var(--text);
  font-size: var(--text-md);
  font-weight: 850;
  font-variant-numeric: tabular-nums;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.analytics-ready-stats label,
.quality-grid label,
.research-memory-grid label,
.presentation-qa-grid label,
.privacy-grid label {
  display: block;
  margin-top: 2px;
  color: var(--muted);
  font-size: 11px;
}

.analytics-findings,
.findings {
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

.findings li {
  margin: 0 0 var(--space-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  background: var(--panel-strong);
  padding: var(--space-3);
  line-height: 1.45;
}

.findings li strong {
  color: var(--text);
}

.analytics-empty,
.analytics-next {
  margin: var(--space-3) 0 0;
  color: var(--muted);
  font-size: var(--text-xs);
}

.analytics-preview-charts,
.chart-preview-grid,
.signal-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-3);
}

.analytics-chart,
.chart-preview-card,
.signal-item {
  min-width: 0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  background: var(--panel-strong);
  color: inherit;
  text-decoration: none;
  overflow: hidden;
}

.analytics-chart:hover,
.chart-preview-card:hover {
  border-color: var(--accent);
}

.analytics-chart img,
.chart-preview-card img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: var(--chart-bg);
  border-bottom: 1px solid var(--border-soft);
}

.analytics-chart strong,
.analytics-chart span,
.chart-preview-card strong,
.chart-preview-card > span,
.chart-preview-card p {
  display: block;
  padding: 0 var(--space-3);
}

.analytics-chart strong,
.chart-preview-card strong,
.signal-item strong {
  margin-top: var(--space-2);
  color: var(--text);
  font-size: var(--text-xs);
  line-height: 1.35;
}

.analytics-chart span,
.chart-preview-card > span {
  margin: var(--space-1) 0 var(--space-2);
  color: var(--muted);
  font-size: 11px;
}

.chart-preview-card {
  padding-bottom: var(--space-2);
}

.chart-preview-card p,
.signal-item span {
  margin: var(--space-1) 0 0;
  color: var(--muted);
  font-size: var(--text-xs);
  line-height: 1.4;
}

.signal-item {
  padding: var(--space-3);
}

.analytics-skeptic,
.critic-challenge {
  margin-top: var(--space-3);
  border-top: 1px solid var(--border-soft);
  padding-top: var(--space-3);
  color: var(--muted);
  font-size: var(--text-xs);
  line-height: 1.45;
}

.analytics-skeptic strong,
.critic-challenge strong {
  display: block;
  margin-bottom: var(--space-1);
  color: var(--text);
}

.skeptic-review {
  border-top-color: color-mix(in srgb, var(--warning) 40%, var(--border));
}

.skeptic-review strong {
  color: var(--warning);
}

.client-final {
  padding: 0;
  overflow: hidden;
}

.result-hero {
  background: var(--panel-soft);
  padding: var(--space-5);
}

.result-hero h2 {
  max-width: 860px;
}

.result-numbers {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-3);
  margin-top: var(--space-4);
}

.result-numbers div {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  background: var(--panel);
  padding: var(--space-3);
}

.result-numbers span {
  color: var(--muted);
  font-size: var(--text-xs);
}

.result-tabs {
  display: flex;
  gap: var(--space-2);
  overflow-x: auto;
  border-top: 1px solid var(--border-soft);
  border-bottom: 1px solid var(--border-soft);
  padding: var(--space-3) var(--space-5);
}

.result-tabs button {
  flex: 0 0 auto;
  padding: 0 var(--space-3);
}

.result-tabs button[aria-selected="true"] {
  border-color: var(--accent);
  background: var(--accent);
  color: var(--on-accent);
}

.result-panel {
  padding: var(--space-5);
}

.client-section,
.quality-panel,
.signal-panel,
.chart-preview-panel,
.privacy-panel,
.research-memory-panel,
.question-map-panel,
.scale-caveats-panel,
.method-checks-panel,
.code-panel,
.presentation-qa-panel {
  margin-top: var(--space-4);
}

.client-section-title,
.quality-title,
.signal-title,
.chart-preview-title,
.privacy-title,
.research-memory-title,
.question-map-title,
.scale-caveats-title,
.method-checks-title,
.code-title,
.presentation-qa-title,
.downloads-title {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  margin-bottom: var(--space-2);
  color: var(--text);
  font-size: var(--text-xs);
  font-weight: 850;
}

.result-summary {
  color: var(--text);
  font-size: var(--text-sm);
  line-height: 1.55;
}

.quality-ok,
.quality-warn,
.privacy-ok,
.privacy-warn,
.code-ok,
.code-warn,
.qa-ok,
.qa-warn {
  border-radius: 999px;
  padding: 2px var(--space-2);
  font-size: 11px;
  font-weight: 800;
}

.quality-ok,
.privacy-ok,
.code-ok,
.qa-ok,
.quality-checks .ok span {
  background: var(--positive-soft);
  color: var(--positive);
}

.quality-warn,
.privacy-warn,
.code-warn,
.qa-warn,
.quality-checks .warn span {
  background: var(--warning-soft);
  color: var(--warning);
}

.quality-checks {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: var(--space-2);
  margin: var(--space-3) 0 0;
  padding: 0;
  list-style: none;
}

.quality-checks li {
  display: flex;
  gap: var(--space-2);
  min-width: 0;
  color: var(--muted);
  font-size: var(--text-xs);
}

.quality-checks span {
  flex: 0 0 auto;
  border-radius: 999px;
  padding: 0 var(--space-1);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 11px;
}

.quality-limitations,
.quality-missing,
.privacy-panel p,
.code-empty {
  margin-top: var(--space-2);
  color: var(--muted);
  font-size: var(--text-xs);
  line-height: 1.45;
}

.privacy-panel {
  border-color: color-mix(in srgb, var(--purple) 28%, var(--border));
  background: var(--purple-soft);
}

.privacy-title {
  color: var(--purple);
}

.research-memory-panel,
.signal-panel {
  border-color: color-mix(in srgb, var(--positive) 28%, var(--border));
  background: var(--positive-soft);
}

.research-memory-title,
.signal-title span,
.research-tools span,
.research-card span {
  color: var(--positive);
}

.research-tools,
.code-files,
.presentation-qa-rules,
.evidence-chips,
.finding-badges {
  display: flex;
  flex-wrap: wrap;
  gap: var(--space-1);
}

.research-tools {
  margin-top: var(--space-3);
}

.research-tools span,
.code-files span,
.code-files a,
.evidence-chips span,
.evidence-chips.missing,
.finding-badges span,
.presentation-qa-rules span {
  display: inline-flex;
  max-width: 100%;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--panel);
  color: var(--muted);
  padding: 3px var(--space-2);
  font-size: 11px;
  line-height: 1.15;
  text-decoration: none;
}

.evidence-chips span,
.code-files span,
.code-files a {
  color: var(--info);
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.evidence-chips.missing,
.finding-badges span {
  border-color: color-mix(in srgb, var(--warning) 34%, var(--border));
  background: var(--warning-soft);
  color: var(--warning);
}

.research-cards,
.question-map-list {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-3);
}

.research-card,
.question-map-row,
.scale-caveat-row,
.method-check-row,
.presentation-qa-row,
.code-run {
  border-top: 1px solid var(--border-soft);
  padding-top: var(--space-2);
  margin-top: var(--space-2);
}

.research-card:first-child,
.question-map-row:first-child,
.scale-caveat-row:first-of-type,
.method-check-row:first-of-type,
.presentation-qa-row:first-child,
.code-run:first-of-type {
  border-top: 0;
  padding-top: 0;
  margin-top: 0;
}

.research-card strong,
.question-map-row strong,
.scale-caveat-row strong,
.method-check-row strong,
.presentation-qa-row strong {
  color: var(--text);
  font-size: var(--text-xs);
}

.question-map-row strong,
.scale-caveat-row strong,
.method-check-row strong {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}

.research-card span,
.question-map-row span,
.scale-caveat-row span,
.method-check-row span,
.presentation-qa-row span {
  color: var(--muted);
  font-size: 11px;
}

.question-map-row p,
.scale-caveat-row p,
.method-check-row p,
.presentation-qa-row p,
.presentation-qa-panel p {
  margin: var(--space-1) 0 0;
  color: var(--muted);
  font-size: var(--text-xs);
  line-height: 1.4;
}

.scale-caveats-panel {
  border-color: color-mix(in srgb, var(--warning) 34%, var(--border));
  background: var(--warning-soft);
}

.scale-caveats-title,
.scale-caveat-row span {
  color: var(--warning);
}

.method-checks-panel {
  border-color: color-mix(in srgb, var(--info) 28%, var(--border));
  background: var(--info-soft);
}

.method-checks-title,
.method-check-row span {
  color: var(--info);
}

.code-panel {
  background: var(--panel-soft);
}

.code-panel.empty {
  background: var(--panel);
}

.code-run summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-2);
  color: var(--text);
  font-size: var(--text-xs);
}

.code-meta,
.code-output-title {
  color: var(--muted);
  font-size: var(--text-xs);
}

.code-meta {
  margin: var(--space-2) 0;
  overflow-wrap: anywhere;
}

.code-output-title {
  margin-top: var(--space-2);
  font-weight: 800;
  text-transform: uppercase;
}

.code-run pre {
  max-height: 220px;
  overflow: auto;
  margin: var(--space-2) 0 0;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  background: var(--panel);
  padding: var(--space-3);
  white-space: pre;
}

.code-run code {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: var(--text-xs);
  line-height: 1.45;
}

.rec-title {
  margin-top: var(--space-3);
  font-weight: 800;
}

.recs {
  margin: var(--space-3) 0 0;
  padding-left: var(--space-5);
}

.recs li {
  margin-bottom: var(--space-2);
  line-height: 1.45;
}

.error-line {
  border: 1px solid color-mix(in srgb, var(--negative) 34%, var(--border));
  border-radius: var(--radius-control);
  background: var(--negative-soft);
  color: var(--negative);
  padding: var(--space-3);
  font-size: var(--text-sm);
}

.downloads {
  margin-top: var(--space-4);
  white-space: normal;
}

.download-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: var(--space-2);
}

.dl-chip {
  display: inline-flex;
  align-items: center;
  min-width: 0;
  gap: var(--space-2);
  border: 1px solid var(--accent);
  border-radius: var(--radius-control);
  background: var(--accent-soft);
  color: var(--accent-strong);
  padding: var(--space-2) var(--space-3);
  font-size: var(--text-xs);
  font-weight: 700;
  text-decoration: none;
}

.dl-chip:hover {
  background: var(--panel);
}

.dl-chip strong {
  flex: 0 0 auto;
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  padding: 2px 6px;
  font-size: 10px;
  letter-spacing: 0;
}

.dl-chip span {
  color: var(--muted);
  font-size: 11px;
}

.dl-chip .dl-name {
  min-width: 0;
  overflow: hidden;
  color: inherit;
  font-size: var(--text-xs);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.dl-chip .dl-size {
  flex: 0 0 auto;
  margin-left: auto;
  white-space: nowrap;
}

.download-audit {
  margin-top: var(--space-3);
  border-top: 1px solid var(--border-soft);
  padding-top: var(--space-2);
}

.download-audit summary {
  display: flex;
  align-items: center;
  width: fit-content;
  cursor: pointer;
  gap: var(--space-2);
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 750;
}

.download-audit summary span {
  border-radius: 999px;
  background: var(--neutral-soft);
  padding: 1px 7px;
  font-size: 10px;
}

.audit-grid {
  margin-top: var(--space-2);
}

.dl-pptx {
  border-color: var(--highlight);
  background: color-mix(in srgb, var(--highlight) 14%, var(--panel));
  color: var(--highlight);
}

.dl-docx {
  border-color: var(--info);
  background: var(--info-soft);
  color: var(--info);
}

.dl-data {
  border-color: var(--accent);
  background: var(--accent-soft);
  color: var(--accent-strong);
}

.dl-chart {
  border-color: var(--purple);
  background: var(--purple-soft);
  color: var(--purple);
}

.dl-audit {
  border-color: var(--border);
  background: var(--neutral-soft);
  color: var(--muted);
}

.methodology {
  margin-top: var(--space-4);
}

.methodology-accordion {
  padding: 0;
}

.methodology-accordion summary {
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: var(--space-3);
  padding: var(--space-4);
  color: var(--text);
  font-size: var(--text-xs);
}

.methodology-body {
  border-top: 1px solid var(--border-soft);
  padding: 0 var(--space-4) var(--space-4);
}

.methodology-body > *:first-child {
  margin-top: var(--space-4);
}

.composer {
  position: sticky;
  bottom: 0;
  z-index: 40;
  border-top: 1px solid var(--border-soft);
  background: color-mix(in srgb, var(--panel) 98%, transparent);
  backdrop-filter: blur(16px);
  padding: var(--space-4) var(--space-5);
}

.attachments {
  display: grid;
  gap: var(--space-3);
  min-width: 0;
  margin: 0 0 var(--space-3);
  border: 0;
  padding: 0;
}

.attachments legend {
  color: var(--muted);
  font-size: var(--text-xs);
  font-weight: 800;
}

.attachments.hidden {
  display: none;
}

.drop-zone {
  display: grid;
  place-items: center;
  min-height: 112px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-card);
  background: var(--panel-soft);
  color: var(--muted);
  text-align: center;
  transition: border-color 150ms ease, background 150ms ease;
}

.drop-zone strong {
  display: block;
  color: var(--text);
  font-size: var(--text-sm);
}

.drop-zone span {
  display: block;
  margin-top: var(--space-1);
  font-size: var(--text-xs);
}

.drop-zone.is-dragging {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.start-input-panel {
  display: grid;
  grid-template-columns: minmax(0, 1.45fr) minmax(260px, 0.85fr);
  gap: var(--space-3);
  align-items: stretch;
}

.primary-files {
  display: grid;
  grid-template-columns: 1fr;
  gap: var(--space-2);
}

.attachment-grid {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: var(--space-2);
}

.file-pill,
.num-pill,
.select-pill,
.text-pill,
.toggle-pill {
  display: flex;
  position: relative;
  min-width: 0;
  flex-direction: column;
  gap: var(--space-1);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  background: var(--panel);
  color: var(--muted);
  padding: var(--space-2);
  font-size: var(--text-xs);
}

.file-pill {
  cursor: pointer;
}

.file-pill:focus-within {
  outline: 3px solid var(--focus-ring-color);
  outline-offset: 2px;
}

.file-pill.has-file {
  border-color: var(--accent);
  background: var(--accent-soft);
}

.primary-file {
  justify-content: center;
}

.file-pill input[type="file"] {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  opacity: 0;
  cursor: pointer;
}

.file-pill input[type="file"]::file-selector-button {
  min-height: 28px;
  margin-right: var(--space-2);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  background: var(--neutral-soft);
  color: var(--text);
  cursor: pointer;
  font: inherit;
  font-size: 11px;
  font-weight: 800;
}

.file-title {
  color: var(--muted);
  font-size: var(--text-xs);
}

.file-control {
  display: flex;
  align-items: center;
  min-width: 0;
  gap: var(--space-2);
}

.file-action {
  flex: 0 0 auto;
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  background: var(--neutral-soft);
  color: var(--text);
  padding: 5px var(--space-2);
  font-size: 11px;
  font-weight: 800;
}

.file-name {
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.num-pill input,
.select-pill select,
.text-pill input {
  width: 100%;
  min-height: 32px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--panel-strong);
  color: var(--text);
  padding: 0 var(--space-2);
  font: inherit;
}

.toggle-pill {
  flex-direction: row;
  align-items: center;
  background: var(--accent-soft);
}

.toggle-pill input {
  flex: 0 0 auto;
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
}

.toggle-pill strong,
.toggle-pill small {
  display: block;
}

.toggle-pill strong {
  color: var(--text);
  font-size: var(--text-xs);
}

.toggle-pill small {
  color: var(--muted);
  font-size: 11px;
}

.advanced-options {
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-control);
  background: color-mix(in srgb, var(--panel-soft) 60%, transparent);
}

.advanced-options summary {
  padding: var(--space-3);
  color: var(--muted);
  font-size: var(--text-xs);
}

.advanced-options[open] summary {
  color: var(--text);
}

.advanced-options .attachment-grid {
  border-top: 1px solid var(--border-soft);
  padding: var(--space-3);
}

.composer-row {
  display: flex;
  align-items: flex-end;
  gap: var(--space-2);
}

.goal-field {
  flex: 1;
  min-width: 0;
}

#input {
  width: 100%;
  min-height: 48px;
  max-height: 180px;
  resize: none;
  overflow-y: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  background: var(--panel-strong);
  color: var(--text);
  padding: var(--space-3) var(--space-4);
  font-size: var(--text-sm);
  line-height: 1.45;
}

#input::placeholder,
#projectSearch::placeholder {
  color: color-mix(in srgb, var(--muted) 74%, transparent);
}

.send-btn {
  position: relative;
  display: inline-flex;
  flex: 0 0 auto;
  width: auto;
  min-width: 112px;
  height: 44px;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: 0 var(--space-4);
  border-color: var(--accent);
  border-radius: var(--radius-card);
  background: var(--accent);
  color: var(--on-accent);
  font-size: var(--text-sm);
}

.send-btn:hover:not(:disabled) {
  border-color: var(--accent-strong);
  background: var(--accent-strong);
}

.is-loading::before {
  content: "";
  display: inline-block;
  width: 16px;
  height: 16px;
  margin-right: var(--space-1);
  border: 2px solid currentColor;
  border-right-color: transparent;
  border-radius: 50%;
  animation: spin 800ms linear infinite;
  vertical-align: -3px;
}

.send-btn.is-loading::before {
  position: absolute;
  margin: 0;
}

.send-btn.is-loading span {
  opacity: 0;
}

.send-icon {
  font-size: var(--text-lg);
  line-height: 1;
}

.send-label {
  font-size: var(--text-xs);
  font-weight: 800;
}

.app-footer {
  display: flex;
  justify-content: space-between;
  gap: var(--space-3);
  padding: 0 var(--space-5) var(--space-4);
  color: var(--muted);
  font-size: 11px;
}

.auth-overlay {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: grid;
  place-items: center;
  background: var(--overlay-color);
  backdrop-filter: blur(6px);
  padding: var(--space-4);
}

.auth-card {
  width: min(420px, 100%);
  border: 1px solid var(--border-soft);
  border-radius: var(--radius-card);
  background: var(--panel);
  box-shadow: var(--shadow-float);
  padding: var(--space-5);
}

.auth-card h2 {
  margin: 0;
  color: var(--text);
  font-size: var(--text-lg);
  line-height: 1.2;
}

.auth-hint,
.auth-invite-note {
  margin: var(--space-2) 0 0;
  color: var(--muted);
  font-size: var(--text-xs);
}

.auth-form {
  display: grid;
  gap: var(--space-2);
  margin-top: var(--space-4);
}

.auth-form input {
  min-height: 42px;
  border: 1px solid var(--border);
  border-radius: var(--radius-control);
  background: var(--panel-strong);
  color: var(--text);
  padding: 0 var(--space-3);
}

.auth-submit {
  width: 100%;
  min-height: 42px;
  margin-top: var(--space-1);
}

.auth-error {
  min-height: 18px;
  margin-top: var(--space-2);
  color: var(--negative);
  font-size: var(--text-xs);
}

.auth-badge {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  min-width: 0;
  color: var(--muted);
  font-size: var(--text-xs);
}

.auth-email {
  max-width: 180px;
  overflow: hidden;
  color: var(--text);
  text-overflow: ellipsis;
  white-space: nowrap;
}

.auth-invite {
  max-width: 180px;
  overflow: hidden;
  color: var(--muted);
  font-size: 11px;
  text-overflow: ellipsis;
  white-space: nowrap;
}

@keyframes skeleton-sweep {
  0% {
    background-position: 120% 0;
  }
  100% {
    background-position: -120% 0;
  }
}

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

@media (max-width: 900px) {
  .app-header,
  .chat-header {
    grid-template-columns: 1fr auto;
  }

  .stage-nav {
    grid-column: 1 / -1;
    order: 3;
  }

  .projects-list,
  .start-input-panel,
  .attachment-grid,
  .download-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .analytics-preview-charts,
  .chart-preview-grid,
  .signal-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }
}

@media (max-width: 640px) {
  .app-header,
  .thread,
  .composer,
  .app-footer {
    padding-left: var(--space-4);
    padding-right: var(--space-4);
  }

  .composer {
    position: static;
  }

  .app-header,
  .chat-header {
    align-items: start;
    gap: var(--space-3);
  }

  .brand small,
  .chat-sub,
  .auth-invite {
    display: none;
  }

  .stage-nav {
    margin-inline: calc(var(--space-4) * -1);
    padding-inline: var(--space-4);
  }

  .welcome h1,
  .result-hero h2 {
    font-size: var(--text-lg);
  }

  .section-head,
  .analytics-ready-title {
    align-items: stretch;
    flex-direction: column;
    display: flex;
  }

  .search-field {
    flex-basis: auto;
  }

  .projects-list,
  .start-input-panel,
  .attachment-grid,
  .download-grid,
  .analytics-preview-charts,
  .chart-preview-grid,
  .signal-grid,
  .result-numbers,
  .quality-checks {
    grid-template-columns: 1fr;
  }

  .projects-list {
    max-height: 260px;
    overflow-y: auto;
    padding-right: var(--space-1);
  }

  .analytics-ready-stats,
  .quality-grid,
  .research-memory-grid,
  .presentation-qa-grid,
  .privacy-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .bubble {
    max-width: 100%;
  }

  .live-now,
  .intervention-panel,
  .steer-form,
  .q-custom {
    grid-template-columns: 1fr;
  }

  .plan-meter small {
    text-align: left;
  }

  .progress-rail {
    display: flex;
    overflow-x: auto;
    padding-bottom: var(--space-1);
  }

  .progress-step {
    flex: 0 0 auto;
  }

  .generate-report-btn,
  .dl-chip {
    width: 100%;
    justify-content: center;
  }

  .send-btn {
    min-width: 52px;
    padding: 0 var(--space-3);
  }

  .send-label {
    display: none;
  }

  .result-hero,
  .result-panel {
    padding: var(--space-4);
  }

  .app-footer {
    flex-direction: column;
  }
}

@media (max-width: 390px) {
  .app-header,
  .thread,
  .composer,
  .app-footer {
    padding-left: var(--space-3);
    padding-right: var(--space-3);
  }

  .brand-mark {
    width: 36px;
    height: 36px;
  }

  .header-actions {
    gap: var(--space-1);
  }

  .ghost-btn {
    padding: 0 var(--space-2);
  }

  .stage-chip {
    min-height: 30px;
    padding: 0 var(--space-2);
  }

  .composer-row {
    gap: var(--space-2);
  }
}

/* ===== Тизеры платформы (демо будущих модулей) ===== */
.pt-strip {
  /* та же центральная колонка, что и .thread/.composer */
  width: min(100%, var(--max-width));
  margin: 28px auto 8px;
  padding: 0 16px;
  box-sizing: border-box;
}
.pt-strip-head { display: flex; align-items: center; gap: 10px; margin-bottom: 12px; }
.pt-eyebrow {
  font-size: 12px; letter-spacing: .12em; text-transform: uppercase;
  color: var(--accent-strong); font-weight: 600;
}
.pt-soon {
  font-size: 11px; padding: 2px 8px; border-radius: 999px;
  background: var(--accent-soft); color: var(--accent-strong); font-weight: 600;
}
.pt-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(210px, 1fr)); gap: 12px; }
.pt-card {
  display: flex; flex-direction: column; align-items: flex-start; gap: 6px;
  text-align: left; padding: 16px; border-radius: 12px; cursor: pointer;
  background: var(--panel-soft); border: 1px solid var(--border-soft);
  color: var(--text); font: inherit; transition: border-color .15s, transform .15s;
}
.pt-card:hover { border-color: var(--accent); transform: translateY(-1px); }
.pt-card:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.pt-icon { width: 22px; height: 22px; color: var(--accent); }
.pt-card-tag { font-size: 11px; letter-spacing: .08em; text-transform: uppercase; color: var(--muted); }
.pt-card-title { font-size: 15px; }
.pt-card-desc { font-size: 13px; color: var(--muted); line-height: 1.45; }
.pt-card-cta { font-size: 13px; color: var(--accent-strong); font-weight: 600; margin-top: 4px; }

.pt-overlay {
  position: fixed; inset: 0; z-index: 60; display: flex; align-items: center; justify-content: center;
  background: color-mix(in srgb, var(--token-ink) 45%, transparent); padding: 20px;
}
.pt-modal {
  width: min(560px, 100%); max-height: 85vh; overflow-y: auto;
  background: var(--panel); border: 1px solid var(--border-soft);
  border-radius: 14px; box-shadow: var(--shadow-float); padding: 20px 22px;
}
.pt-modal-head { display: flex; justify-content: space-between; align-items: flex-start; gap: 12px; }
.pt-modal-head h3 { margin: 2px 0 0; font-size: 20px; }
.pt-close {
  border: 1px solid var(--border-soft); background: var(--panel-soft); color: var(--muted);
  border-radius: 8px; width: 30px; height: 30px; cursor: pointer; font-size: 13px;
}
.pt-close:hover { color: var(--text); border-color: var(--accent); }
.pt-modal-body { margin-top: 14px; display: flex; flex-direction: column; gap: 10px; }
.pt-modal-foot {
  margin-top: 16px; padding-top: 12px; border-top: 1px solid var(--border-soft);
  font-size: 12px; color: var(--muted);
}

.pt-item { background: var(--panel-soft); border-radius: 10px; padding: 10px 14px; }
.pt-item-head { display: flex; justify-content: space-between; align-items: center; gap: 10px; font-size: 14px; }
.pt-item-sub { font-size: 12.5px; color: var(--muted); margin-top: 3px; }
.pt-chip {
  font-size: 11.5px; font-weight: 600; padding: 3px 9px; border-radius: 999px; white-space: nowrap;
}
.pt-chip-positive { background: var(--positive-soft); color: var(--positive); }
.pt-chip-warning { background: var(--warning-soft); color: var(--warning); }
.pt-chip-info { background: var(--info-soft); color: var(--info); }
.pt-chip-lg { align-self: flex-start; font-size: 13px; padding: 8px 14px; border-radius: 10px; }
.pt-note { font-size: 12.5px; color: var(--muted); margin: 2px 0 0; }

.pt-mail { background: var(--panel-soft); border-left: 3px solid var(--accent); border-radius: 0 10px 10px 0; padding: 10px 14px; }
.pt-mail-meta { font-size: 12px; color: var(--muted); }
.pt-mail-subject { font-size: 14px; font-weight: 600; margin-top: 3px; }
.pt-facts { display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; margin: 4px 0; }
.pt-facts dt { font-size: 12.5px; color: var(--muted); }
.pt-facts dd { font-size: 13.5px; margin: 0; }

.pt-tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 10px; }
.pt-tile { background: var(--panel-soft); border-radius: 10px; padding: 12px 14px; display: flex; flex-direction: column; gap: 2px; }
.pt-tile-label { font-size: 11.5px; letter-spacing: .06em; text-transform: uppercase; color: var(--muted); }
.pt-tile-value { font-size: 26px; font-weight: 700; font-variant-numeric: tabular-nums; color: var(--text); }
.pt-tile-sub { font-size: 12px; color: var(--muted); }

@media (max-width: 480px) {
  .pt-grid { grid-template-columns: 1fr; }
  .pt-modal { padding: 16px; }
}

/* ===== Сайдбар-лейаут (стартовый экран в стиле desktop-приложения) ===== */
.app-shell.with-sidebar {
  display: grid;
  grid-template-columns: 264px minmax(0, 1fr);
  align-items: stretch;
}
.app-main { display: flex; flex-direction: column; min-height: 100vh; min-width: 0; }

.side-nav {
  position: sticky; top: 0; height: 100vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: 18px;
  padding: 16px 14px 12px;
  background: var(--panel-soft);
  border-right: 1px solid var(--border-soft);
}
.side-brand { display: flex; gap: 10px; align-items: center; text-decoration: none; color: var(--text); padding: 2px 4px; }
.side-new {
  display: flex; align-items: center; justify-content: flex-start; gap: 8px;
  width: 100%; padding: 10px 12px; border-radius: 10px;
  border: 1px solid var(--border-soft); background: var(--panel);
  color: var(--text); font: inherit; font-weight: 600; cursor: pointer;
  transition: border-color .15s, color .15s;
}
.side-new:hover { border-color: var(--accent); color: var(--accent-strong); }
.side-new span { color: var(--accent); font-size: 16px; }

.side-group-title {
  font-size: 11.5px; letter-spacing: .08em; text-transform: uppercase;
  color: var(--muted); margin-bottom: 8px; font-weight: 600;
}
.side-projects { display: flex; flex-direction: column; min-height: 0; }
.side-search { display: block; margin-bottom: 8px; }
.side-search input {
  width: 100%; box-sizing: border-box; padding: 7px 10px; font: inherit; font-size: 13px;
  border: 1px solid var(--border-soft); border-radius: 8px;
  background: var(--panel); color: var(--text);
}
.side-nav .projects-list { display: flex; flex-direction: column; gap: 2px; }
.side-nav .project-card {
  display: flex; flex-direction: column; gap: 1px; align-items: flex-start;
  width: 100%; text-align: left; background: transparent; border: 0;
  border-radius: 8px; padding: 7px 9px; cursor: pointer; color: var(--text); font: inherit;
}
.side-nav .project-card:hover { background: var(--fill); }
.side-nav .project-card strong {
  font-size: 13.5px; font-weight: 500; max-width: 100%;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.side-nav .project-card > span:last-child { font-size: 11.5px; color: var(--muted); }
.side-nav .project-status { font-size: 10.5px; padding: 1px 7px; border-radius: 999px; }
.side-nav .empty-state { font-size: 12.5px; color: var(--muted); padding: 6px 8px; }
.side-nav .skeleton-card { height: 34px; border-radius: 8px; }

.side-platform .pt-strip { width: auto; margin: 0; padding: 0; }
.side-foot {
  margin-top: auto; padding: 10px 4px 0; border-top: 1px solid var(--border-soft);
  font-size: 11.5px; color: var(--muted);
}

/* стартовый экран: приветствие по центру, композер-капсула */
body[data-stage="start"] .thread {
  flex: 1 1 auto; display: flex; align-items: flex-end; justify-content: center;
  padding-bottom: var(--space-4);
}
body[data-stage="start"] .welcome-copy { text-align: center; max-width: 640px; margin: 0 auto; }
body[data-stage="start"] .welcome-copy h1 { font-size: 34px; margin-bottom: 10px; }
body[data-stage="start"] .welcome-copy p { color: var(--muted); }
body[data-stage="start"] .composer { width: min(100%, 820px); margin-bottom: var(--space-5); }
body[data-stage="start"] .app-footer { margin-top: 0; }

.composer .drop-zone {
  padding: 9px 12px; margin-bottom: 10px; text-align: center;
  font-size: 12.5px; color: var(--muted);
  border: 1px dashed var(--border); border-radius: 10px;
}
.composer .drop-zone.is-dragging { border-color: var(--accent); background: var(--accent-soft); color: var(--accent-strong); }
.chips-row { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
.chips-row .advanced-options { position: relative; }
.chips-row .advanced-options > summary {
  list-style: none; cursor: pointer; padding: 7px 12px; border-radius: 999px;
  border: 1px solid var(--border-soft); background: var(--panel-soft);
  font-size: 13px; color: var(--muted);
}
.chips-row .advanced-options > summary::-webkit-details-marker { display: none; }
.chips-row .advanced-options[open] > summary { border-color: var(--accent); color: var(--accent-strong); }
.chips-row .advanced-options .attachment-grid { margin-top: 10px; }

.composer-foot { display: flex; align-items: center; gap: 10px; margin-top: 10px; flex-wrap: wrap; }
.composer-foot-spacer { flex: 1; }
.quiet-pill { border: 1px solid transparent; border-radius: 8px; padding: 3px 6px; }
.quiet-pill:hover { border-color: var(--border-soft); }
.quiet-pill select, .quiet-pill input {
  border: 0; background: transparent; color: var(--muted);
  font: inherit; font-size: 13px; padding: 2px;
}
.quiet-pill input[type="number"] { width: 52px; text-align: right; }

@media (max-width: 920px) {
  .app-shell.with-sidebar { grid-template-columns: 1fr; }
  .side-nav { display: none; }
}

/* компактные строки тизеров в сайдбаре */
.pt-list { display: flex; flex-direction: column; gap: 2px; }
.pt-row {
  display: flex; align-items: center; gap: 10px; width: 100%;
  padding: 7px 9px; border: 0; border-radius: 8px; background: transparent;
  color: var(--text); font: inherit; text-align: left; cursor: pointer;
}
.pt-row:hover { background: var(--fill); }
.pt-row .pt-icon { width: 17px; height: 17px; flex: none; }
.pt-row-text { display: flex; flex-direction: column; min-width: 0; }
.pt-row-text strong { font-size: 13.5px; font-weight: 500; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.pt-row-text small { font-size: 11px; color: var(--muted); }

/* на старте путь исследования не нужен — появляется после запуска */
body[data-stage="start"] .stage-nav { visibility: hidden; }

/* ===== фиксы сайдбар-лейаута по визуальной проверке ===== */
/* сайдбар: список проектов скроллится внутри, ничего не наезжает */
.side-brand, .side-new, .side-platform, .side-foot { flex: none; }
.side-projects { flex: 1 1 auto; min-height: 0; overflow: hidden; display: flex; flex-direction: column; }
.side-nav .projects-panel {
  border: 0; background: transparent; box-shadow: none; padding: 0; border-radius: 0;
}
.side-nav .projects-list {
  flex: 1 1 auto; min-height: 0; overflow-y: auto; padding-right: 2px;
}

/* хедер на старте — прозрачный, без плавающей белой плашки */
body[data-stage="start"] .app-header {
  background: transparent; border: 0; box-shadow: none;
}

/* тонкая drop-зона вместо большой площадки */
.composer .drop-zone { display: block; min-height: 0; background: transparent; }
.composer .drop-zone strong { display: inline; font-size: 12.5px; color: var(--muted); }
.composer .drop-zone span { display: inline; margin: 0; font-size: 12.5px; }

/* файловые пилюли в чипы */
.chips-row .file-pill {
  flex-direction: row; align-items: center; gap: 8px;
  width: auto; padding: 7px 14px; border-radius: 999px;
}
.chips-row .file-pill .file-title { font-size: 13px; font-weight: 600; color: var(--text); white-space: nowrap; }
.chips-row .file-pill .file-control { display: flex; align-items: center; gap: 6px; font-size: 12px; }
.chips-row .file-pill .file-action { display: none; }
.chips-row .file-pill .file-name {
  max-width: 150px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* фиксы по Playwright-скриншотам */
.side-nav .search-field { display: block; height: auto; min-height: 0; padding: 0; margin: 0 0 8px; }
.side-platform { border-top: 1px solid var(--border-soft); padding-top: 12px; }
.side-projects { padding-bottom: 6px; }
body[data-stage="start"] .thread { align-items: center; }
.side-nav .project-card { padding: 6px 9px; gap: 2px; }
.side-nav .project-status { font-size: 10px; padding: 1px 6px; }
.side-nav .search-field { flex: none; } /* flex-basis 300px из старого правила давал высоту в колонке */
.side-nav .projects-list {
  -webkit-mask-image: linear-gradient(to bottom, #000 calc(100% - 22px), transparent);
  mask-image: linear-gradient(to bottom, #000 calc(100% - 22px), transparent);
}

/* микровзаимодействия: единый переход на интерактивных элементах (150ms) */
button, input, select, textarea, summary, a,
.file-pill, .project-card, .pt-row, .pt-card, .stage-chip, .toggle-pill {
  transition: background-color .15s ease, border-color .15s ease,
              color .15s ease, box-shadow .15s ease, transform .15s ease;
}
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { transition: none !important; animation: none !important; }
}
@media (max-width: 480px) {
  .composer-foot .num-pill { display: none; } /* бюджет итераций — из пресета */
}

/* app-рамка: скроллится только правая колонка, сайдбар всегда на месте */
.app-shell.with-sidebar { height: 100vh; overflow: hidden; }
.app-shell.with-sidebar .app-main { height: 100vh; overflow-y: auto; }
.app-shell.with-sidebar .side-nav { height: 100vh; }

/* стартовые настройки не нужны на стадиях работы/отчёта */
body:not([data-stage="start"]) .composer-foot { display: none; }

/* ===== вдохновение httpster/awwwards: display-типографика и глубина ===== */
body[data-stage="start"] .welcome-copy h1 {
  font-size: 46px; font-weight: 650; letter-spacing: -0.022em;
  line-height: 1.12; text-wrap: balance; margin-bottom: 12px;
}
body[data-stage="start"] .welcome-copy p {
  font-size: 15px; max-width: 52ch; margin: 0 auto; line-height: 1.55;
}
/* лёгкий градиентный «воздух» в шапке главной */
body[data-stage="start"] .app-main {
  background:
    radial-gradient(90% 420px at 50% -80px,
      color-mix(in srgb, var(--accent) 7%, transparent), transparent 70%);
}
/* живой фокус на цели исследования */
.goal-field textarea:focus-visible {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
body[data-stage="start"] .composer { border-radius: 16px; }
.pt-demo-link {
  display: inline-block; margin-bottom: 8px; font-size: 13px; font-weight: 600;
  color: var(--accent-strong); text-decoration: none;
}
.pt-demo-link:hover { text-decoration: underline; }