/* Shared demo components. Feature styles own charts and content, not shell geometry. */
:root {
  --demo-space-1: 8px;
  --demo-space-2: 16px;
  --demo-space-3: 24px;
  --demo-space-4: 32px;
  --demo-panel-padding: var(--demo-space-3);
  --demo-panel-radius: 16px;
  --demo-control-radius: 12px;
  --demo-control-height: 40px;
  --demo-label-size: 12px;
  --demo-control-size: 14px;
}

#app {
  width: 100%;
  max-width: 800px;
  padding: var(--demo-space-4);
  gap: var(--demo-space-3);
}

#app .demo-stack {
  display: flex;
  flex-direction: column;
  gap: var(--demo-space-2);
  min-width: 0;
}

#app .demo-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: var(--demo-space-2);
  min-width: 0;
}

#app .demo-panel,
.confirm-dialog .demo-panel {
  padding: var(--demo-panel-padding);
  border: 0;
  border-radius: 0;
  background: transparent;
  box-shadow: none;
  min-width: 0;
}

#app .demo-panel--inset {
  padding: var(--demo-space-2);
  border-radius: var(--demo-control-radius);
  background: transparent;
  box-shadow: none;
}

#app :is(.btn, .precision-replay-mode-btn),
.confirm-dialog .btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: var(--demo-space-1);
  min-height: var(--demo-control-height);
  padding: var(--demo-space-1) var(--demo-space-2);
  border-width: 1px;
  border-style: solid;
  border-color: var(--doppler-line);
  background: #fff;
  color: #000;
  box-shadow: none;
  border-radius: var(--demo-control-radius);
  font: 500 var(--demo-control-size)/1.4 var(--font-sans);
  letter-spacing: normal;
  text-transform: none;
  white-space: normal;
}

#app :is(select, input[type="number"]) {
  min-height: var(--demo-control-height);
  padding: var(--demo-space-1) var(--demo-space-2);
  border: 1px solid var(--doppler-line);
  border-radius: var(--demo-control-radius);
  background-color: #fff;
  font: 400 var(--demo-control-size)/1.5 var(--font-sans);
  box-shadow: none;
}

#app select {
  padding-right: var(--demo-space-4);
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 8'%3E%3Cpath d='m1 1 5 5 5-5' fill='none' stroke='%23000' stroke-width='1.5'/%3E%3C/svg%3E");
  background-position: right 12px center;
  background-repeat: no-repeat;
  background-size: 12px 8px;
}

#app input[type="range"] {
  appearance: auto;
  min-height: var(--demo-control-height);
  border: 0;
  padding: 0;
  box-shadow: none;
}

#app input[type="checkbox"] {
  width: 16px;
  height: 16px;
  flex-basis: 16px;
  border-radius: 4px;
}

#app :is(.flow-title, .xray-heading h2) {
  margin: 0;
  font: 600 18px/1.4 var(--font-sans);
  letter-spacing: normal;
}

#app :is(.setting-field label, .output-limit, .type-label, .settings-group legend, .chat-role) {
  font: 600 var(--demo-label-size)/1.5 var(--font-sans);
  letter-spacing: normal;
  text-transform: none;
}

#app .setting-field label { cursor: default; }
#app :is(.setting-field, .output-limit) { gap: var(--demo-space-1); }
#app :is(.settings-grid, .model-cards, .xray-dashboard, .precision-replay-layout,
  .precision-replay-controls, .precision-replay-stats, .precision-replay-winners,
  .precision-replay-watch-pairs, .precision-replay-broad-flips, .precision-replay-branch-grid) {
  gap: var(--demo-space-2);
}
#app .model-cards { padding-top: var(--demo-space-2); }
#app .model-select-row { gap: var(--demo-space-1); }
#app .model-select-status { padding: 0; font-size: var(--demo-label-size); }
#app .model-select-detail:empty { display: none; }
#app .model-select-progress-row { max-width: none; }
#app .app-header { padding: 0 0 var(--demo-space-2); }
#app .app-header .status-dot.is-ready { background: #000; }
#app .app-links { gap: var(--demo-space-2); }
#app .app-brand-mark { border-radius: var(--demo-control-radius); }

#app .demo-flow,
#app .inspection-workspace-body { gap: var(--demo-space-3); }
#app .inspection-workspace { border: 0; border-radius: 0; background: transparent; box-shadow: none; overflow: visible; }
#app .inspection-workspace-body { padding: 0; border: 0; }
#app #xray-container { gap: var(--demo-space-2); padding: 0; }
#app .xray-provenance { padding-bottom: var(--demo-space-2); border-bottom: 1px solid var(--doppler-line); }
#app :is(.report-bar, .precision-replay-area) { margin: 0; }
#app .precision-replay-panel { padding: var(--demo-space-2); border-radius: var(--demo-control-radius); border: 1px solid var(--doppler-line); }
#app :is(.precision-replay-card, .precision-replay-stat-card, .precision-replay-mini-card) {
  padding: var(--demo-space-2);
  gap: var(--demo-space-1);
  border: 1px solid var(--doppler-line);
  border-radius: var(--demo-control-radius);
}
#app :is(.report-actions, .precision-replay-mode-group) { gap: var(--demo-space-1); }
#app :is(.report-intro strong, .precision-replay-heading strong) { font: 600 var(--demo-control-size)/1.5 var(--font-sans); }

#app .settings-panel { gap: var(--demo-space-3); }
#app .advanced-settings > .settings-panel { display: flex; padding: var(--demo-space-3) 0; }
#app .advanced-settings { border-top: 1px solid #000; }
#app .settings-group { gap: var(--demo-space-2); }
#app .settings-group + .settings-group { padding-top: 0; border-top: 0; }
#app .settings-group legend {
  display: flex;
  align-items: center;
  gap: var(--demo-space-2);
  width: 100%;
  padding: 0 0 var(--demo-space-2);
}
#app .settings-group legend::after {
  content: '';
  flex: 1;
  border-top: 1px solid #000;
}
#app .inspection-setting { padding: var(--demo-space-2); gap: var(--demo-space-1); border-radius: var(--demo-control-radius); }
#app .chat-toolbar { padding: 0; gap: var(--demo-space-2); }
#app .chat-toolbar-run { gap: var(--demo-space-2); }
#app .chat-surface { padding: var(--demo-space-2); border-radius: var(--demo-control-radius); }
#app .chat-thread { gap: var(--demo-space-3); }
#app .chat-message { padding: var(--demo-space-2); gap: var(--demo-space-1); border-radius: var(--demo-control-radius); }
#app #live-assistant-message:not([hidden]) { margin-top: var(--demo-space-3); }
#app .chat-empty { min-height: 0; padding: 0; justify-items: start; place-content: start; }
#app .output-area:has(.chat-empty):not(:has(#live-assistant-message:not([hidden]))) { min-height: 0; }
#app .input-area { padding: var(--demo-space-2); gap: var(--demo-space-2); border-radius: var(--demo-control-radius); }
#app .input-area:focus-within { border-color: #000; }
#app .input-row textarea { padding: var(--demo-space-1); font-size: 16px; }
#app .input-actions { gap: var(--demo-space-1); }
#app .output-limit { flex-basis: 180px; min-width: 140px; }
#app .runtime-notice { margin: 0; padding-left: var(--demo-space-2); line-height: 1.6; }
#app details > summary { min-height: var(--demo-control-height); padding-block: var(--demo-space-1); font: 600 var(--demo-control-size)/1.5 var(--font-sans); letter-spacing: normal; text-transform: none; }
#app details > summary::marker { content: ''; }
#app details > summary::-webkit-details-marker { display: none; }
#app #xray-container .xray-section-header::before { content: none; }
#app .xray-section { padding-block: var(--demo-space-1); }
#app .precision-replay-table :is(th, td) { padding: var(--demo-space-1) var(--demo-space-2); }

/* Results lead; setup and evidence unfold in place. */
#app .chat-workspace { padding: 0; }
#app .chat-surface {
  background: transparent;
  border: 0;
  padding: 0;
  max-height: none;
  overflow: visible;
  scrollbar-gutter: auto;
  box-shadow: none;
}
#app .chat-message--assistant { background: transparent; border: 0; box-shadow: none; }
#app .token-stream-container { font-size: 23px; line-height: 1.9; }
#app .token-inspector-card { padding: 16px 0 0; border: 0; border-top: 1px solid var(--doppler-line); border-radius: 0; background: transparent; box-shadow: none; }
#app .token-inspector-badge { border: 0; padding: 0; border-radius: 0; background: transparent; color: #000; font: 600 14px/1.5 var(--font-sans); }
#app .token-candidate-text { border: 0; padding: 0; background: transparent; }
#app .chat-surface:has([data-example="true"]) { max-height: none; min-height: 0; }
#app .chat-message--user {
  align-self: flex-start;
  padding: 0;
  background: transparent;
  border: 0;
  box-shadow: none;
}
#app #live-assistant-message[data-example="true"] { margin-top: 16px; padding: 0; }
#app .token-inspector-view { border: 0; padding-top: 0; }

#app .model-picker { padding: 0; border: 0; box-shadow: none; }
#app .model-picker > summary { border-top: 1px solid var(--doppler-line); }
#app .model-picker > .demo-stack { padding-top: var(--demo-space-2); }
#app .runtime-notice { font-size: 12px; }
#app .input-area { padding: 0; border: 0; border-radius: 0; background: transparent; box-shadow: none; }
#app #prompt-input { padding: 12px; border: 1px solid var(--doppler-line); border-radius: var(--demo-control-radius); background: #fff; }
#app .input-actions { justify-content: flex-end; }
#app #run-details .report-bar { padding-top: var(--demo-space-2); }
#app .precision-evidence-details > :not(summary) { margin-top: var(--demo-space-2); }
#app :is(#run-details, .precision-replay-area) { padding: 16px 0; border: 0; border-top: 1px solid var(--doppler-line); border-radius: 0; background: transparent; box-shadow: none; }

@media (prefers-reduced-motion: reduce) {
  #app { scroll-behavior: auto; }
}

@media (max-width: 600px) {
  :root { --demo-panel-padding: var(--demo-space-2); }
  #app { padding: var(--demo-space-2); }
  #app .model-select-row { grid-template-columns: minmax(0, 1fr); }
  #app .model-select-row #model-select { grid-column: 1 / -1; }
  #app .input-actions .output-limit { flex-basis: 100%; }
  #app .input-actions .btn { flex: 1; }
  #app .chat-toolbar-run { margin-left: 0; justify-content: space-between; flex: 1; }
  #app .chat-toolbar-run .chat-run-status { flex-basis: auto; }
  #app .token-stream-container { font-size: 19px; line-height: 1.7; }
  #app .token-candidate-row { grid-template-columns: 1ch minmax(50px, 1fr) minmax(30px, 1fr) 6ch; gap: 6px; }
  #app .token-candidate-bar-bg { display: block; }
  #app .chat-message--user { max-width: 95%; }
  #app .report-bar { align-items: stretch; }
}

/* Explore the recorded result beside an always-visible composer. */
#app .chat-toolbar { justify-content: flex-start; }
#app .chat-toolbar-run { margin-left: 0; flex: 1; justify-content: space-between; }
#app .chat-run-status { font: 400 14px/1.5 var(--font-sans); }
#app .output-phase { font: inherit; text-transform: none; letter-spacing: normal; }
#app .chat-toolbar .btn { min-width: 9ch; }
#app .demo-playground { display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--demo-space-4); align-items: start; }
#app .example-pane, #app .try-pane { min-width: 0; }
#app .try-pane { display: grid; gap: var(--demo-space-2); position: static; }
#app .composer-heading { font: 600 20px/1.4 var(--font-sans); }
#app .prompt-suggestions { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 8px; }
#app .prompt-suggestions .btn { width: 100%; min-height: 40px; padding: 8px 1ch; letter-spacing: -.01em; box-shadow: none; }
#app #prompt-input { min-height: 130px; }
#app .input-actions { justify-content: flex-end; }
#app .input-actions .btn { min-width: 12ch; }
@media (max-width: 800px) {
  #app .demo-playground { grid-template-columns: minmax(0, 1fr); }
  #app .try-pane { position: static; }
}

/* One control treatment, with a filled state reserved for running a prompt. */
#app .btn-primary { background: #000; color: #fff; border-color: #000; }
#app .btn:hover:not(:disabled) { background: #fff; border-color: #000; transform: none; }
#app .btn-primary:hover:not(:disabled) { background: #000; color: #fff; border-color: #000; }
#app .btn:disabled { box-shadow: none; }
#app :is(.btn, select, input, textarea):focus-visible { outline: 2px solid #000; outline-offset: -3px; }
#app .chat-message { border: 0; border-radius: 0; box-shadow: none; padding: 0; }
#app .chat-thread .chat-message:first-child { border: 0; }
#app .chat-message--user { max-width: 100%; }
#app details > summary { display: flex; align-items: center; justify-content: space-between; }
#app details > summary::after { margin-left: 12px; }
#app .model-select-row { grid-template-columns: minmax(0, 1fr); }
#app .model-select-row > :is(select, .btn) { grid-column: 1; width: 100%; min-width: 0; }
#app :is(.model-select-status, .model-select-detail) { font: 400 12px/1.5 var(--font-sans); text-transform: none; letter-spacing: normal; overflow-wrap: anywhere; }
#app .model-card { border: 1px solid var(--doppler-line); border-radius: var(--demo-control-radius); background: #fff; color: #000; box-shadow: none; }
#app .precision-replay-panel { padding: 16px 0; border: 0; border-radius: 0; }
#app :is(.precision-replay-card, .precision-replay-stat-card, .precision-replay-mini-card) { border: 0; border-radius: 0; background: transparent; box-shadow: none; }
#app .run-measurements { margin: 0; font: 400 12px/1.6 var(--font-sans); color: #000; }

/* Binary chrome; Doppler's spectrum appears in evidence and a contained splash.
   Only the paint animates: controls never translate, scale, or change geometry. */
#app .app-header { border-bottom: 1px solid #000; padding-bottom: 24px; }
#app .app-brand-mark { background: #000; color: #fff; }
#app .app-brand-name { font-family: var(--font-sans); letter-spacing: -.04em; text-transform: none; }
#app :is(.btn, .precision-replay-mode-btn), .confirm-dialog .btn {
  position: relative;
  isolation: isolate;
  overflow: hidden;
  border-radius: var(--demo-control-radius);
  transform: none;
  transition: none;
}
#app :is(.btn, .precision-replay-mode-btn)::before, .confirm-dialog .btn::before {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: var(--doppler-spectrum);
  clip-path: inset(0 0 0 100%);
  opacity: .22;
  transition: clip-path 420ms cubic-bezier(.2,.7,.2,1), opacity 180ms ease;
}
#app :is(.btn, .precision-replay-mode-btn):is(:hover, :focus-visible):not(:disabled)::before,
.confirm-dialog .btn:is(:hover, :focus-visible):not(:disabled)::before {
  clip-path: inset(0 0 0 0);
}
#app :is(.btn, .precision-replay-mode-btn)::after, .confirm-dialog .btn::after {
  content: '';
  position: absolute;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background: var(--doppler-spectrum);
  clip-path: inset(0 100% 0 0);
  opacity: 0;
}
#app :is(.btn, .precision-replay-mode-btn):is(:hover, :active),
.confirm-dialog .btn:is(:hover, :active) { transform: none; box-shadow: none; }
#app .btn-primary::before { opacity: .65; }
#app .btn:disabled { border-style: dashed; font-weight: 400; }
#app :is(input, select, textarea) { color: #000; accent-color: #000; }
#app #prompt-input { padding: 16px; line-height: 1.6; }
#app #prompt-input::placeholder { color: #000; opacity: 1; }
#app .token-candidate-bar-bg { background: #fff; border: 1px solid #000; height: 6px; }
#app .token-candidate-bar-fill { background: var(--doppler-spectrum); }
#app .token-chip.is-selected { text-decoration-thickness: 4px; }
#app :is(.xray-measure-track, .xray-overview > div) { background: #fff; border: 1px solid #000; box-shadow: none; }
#app .model-card:hover { transform: none; }
#app .app-links a { color: #000; border-bottom-color: #000; }
#app .app-links a:hover { text-decoration: underline; text-underline-offset: 4px; }
@media (prefers-reduced-motion: reduce) {
  #app :is(.btn, .precision-replay-mode-btn)::before, .confirm-dialog .btn::before { transition: none; }
}

/* Read the result, try a prompt, then open optional evidence. */
#app .chat-toolbar { align-items: center; }
#app .chat-toolbar-run { order: -1; }
#app .demo-playground { gap: var(--demo-space-4); }
#app .try-pane { padding: 0; border: 0; }
#app .chat-run-status { font-weight: 600; }
#app #live-assistant-message[data-example="true"] { margin-top: var(--demo-space-2); }
#app .token-stream-container { font-size: 22px; line-height: 1.7; }
#app .input-area { gap: var(--demo-space-2); }
#app #prompt-input { min-height: 100px; }
#app :is(#run-details, .precision-replay-area) { padding: 0; border: 0; }
#app .inspection-workspace-body { gap: var(--demo-space-2); }
#app .precision-replay-heading { gap: 8px; }
#app .precision-replay-status { font-size: 12px; }
/* Native control ink must not fade when disabled, including WebKit text fill. */
#app :is(input, select, textarea):disabled { -webkit-text-fill-color: #000; opacity: 1; }
#app ::placeholder { color: #000; opacity: 1; }
#app ::selection { color: #fff; background: #000; }
#app { scrollbar-color: #000 #fff; }
#app * { scrollbar-color: #000 #fff; }
@media (max-width: 480px) {
  #app .prompt-suggestions { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  #app .chat-toolbar { gap: 8px; }
  #app .chat-toolbar-run { gap: 8px; }
  #app .token-stream-container { font-size: 20px; }
}

/* Compare outcomes first; numerical evidence stays in its disclosure. */
#app .precision-replay-controls { grid-template-columns: minmax(0, 1fr) auto; }
#app .precision-replay-layout { grid-template-columns: minmax(0, 1fr); }
#app .precision-replay-winners { grid-template-columns: repeat(2, minmax(0, 1fr)); }
#app .precision-replay-winner-card {
  display: grid;
  align-content: start;
  gap: var(--demo-space-1);
  padding: var(--demo-space-2);
  border: 1px solid #000;
  border-radius: var(--demo-control-radius);
  color: #000;
  background: #fff;
}
#app .precision-replay-winner-token { font: 500 22px/1.4 var(--font-sans); overflow-wrap: anywhere; }
#app .precision-replay-outcome { font-weight: 600; }
#app #precision-replay-status:empty { display: none; }
#app #precision-replay-branch:empty { display: none; }
#app .precision-replay-prompt { padding: 0; border: 0; }
@media (max-width: 480px) {
  #app .precision-replay-controls { grid-template-columns: minmax(0, 1fr); }
}

/* The recorded exchange and new prompts share one conversation surface. */
#app :is(.token-stream-container, .output-text, .chat-message-text) { font-size: 18px; line-height: 1.7; }
#app #input-area {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  align-items: end;
  gap: var(--demo-space-2);
  padding: var(--demo-space-2);
  border: 1px solid #000;
  border-radius: var(--demo-control-radius);
}
#app #input-area .input-row { grid-column: 1 / -1; }
#app #prompt-input { border: 0; border-radius: 0; padding: 0; min-height: 80px; }
#app #prompt-input:focus-visible { outline: 0; }
#app #input-area:focus-within { outline: 2px solid #000; outline-offset: -3px; }
#app #input-area .input-actions .btn { min-width: 8ch; }
@media (max-width: 600px) {
  #app #input-area { grid-template-columns: minmax(0, 1fr); }
  #app #input-area .input-actions { justify-self: end; }
}