/* ==========================================================================
   Page: LATENT Kit · K08 Components (AI interface)
   Shell (sidebar, toolbar, headings, panels): components/kit-shell.css
   Behaviour of the live loop, handoff and templates: js/pages/kit-components.js

   Every specimen reads semantic tokens, so the toolbar can switch
     <main class="components" data-theme="paper|term">
   Several parts had no box-sizing in the original; heights below are the
   rendered sizes (content + border).
   ========================================================================== */

/* --------------------------------------------------------------------------
   Theme scope
   -------------------------------------------------------------------------- */
.components {
  --hairline-2: var(--surface-sunken);   /* inner row dividers, selected rows */
  --action-border: var(--ink);           /* on Paper, lime carries an ink hairline */
  --thread-pad: clamp(20px, 3vw, 40px);

  background: var(--canvas);
  color: var(--ink);
}

.components[data-theme="term"] {
  --action-border: var(--action);
}

:where(.components ul, .components ol) {
  margin: 0;
  padding: 0;
  list-style: none;
}

/* Marks used across the page ------------------------------------------------ */

/* Human mark: lime square with an ink hairline (same in both themes) */
.human-mark {
  flex: none;
  width: 11px;   /* 9px + border */
  height: 11px;
  border: 1px solid var(--graphite-900);
  border-radius: 2px;
  background: var(--lime-400);
}

/* AI mark: diamond with a centre point */
.ai-mark {
  box-sizing: content-box;
  position: relative;
  flex: none;
  display: inline-block;
  width: 9px;
  height: 9px;
  border: 1.5px solid var(--machine-ink);
  transform: rotate(45deg);
}

.ai-mark::after {
  content: "";
  position: absolute;
  top: 2px;
  left: 2px;
  width: 2px;
  height: 2px;
  background: var(--machine-ink);
}

/* Source card (answer + parts) */
.source-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 8px;
}

.source-grid--two {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

.source-card {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-control);
  background: var(--surface);
}

.source-card.is-active {
  border-color: var(--machine-ink);
}

.source-card__kind {
  font: 500 11px/1 var(--font-mono);
  color: var(--machine-ink);
}

.source-card__title {
  font: 600 14px/1.3 var(--font-sans);
}

.source-card__excerpt {
  font: italic 400 14px/1.45 var(--font-serif);
  color: var(--ink-2);
}

.source-card__meta {
  font: 400 11px/1 var(--font-mono);
  color: var(--ink-3);
}

.source-card--unavailable {
  border: 1px dashed var(--ink-3);
  opacity: .8;
}

.source-card--unavailable .source-card__kind { color: var(--ink-3); }
.source-card--unavailable .source-card__title { color: var(--ink-2); }

/* Buttons of the loop (40px, border-box like the original <button>s) */
.action-btn {
  height: 40px;
  padding: 0 16px;
  border: 1px solid transparent;
  border-radius: var(--radius-control);
  background: transparent;
  color: var(--ink);
  font: 500 15px/1 var(--font-sans);
}

.action-btn--primary {
  border-color: var(--action-border);
  background: var(--action);
  color: var(--on-action);
  font-weight: 600;
}

.action-btn--secondary {
  border-color: var(--ink);
  background: var(--surface);
}

.action-btn--sm {
  height: 36px;
  padding: 0 14px;
  font-size: 14px;
}

/* Small composer / artifact controls */
.tool-btn {
  flex: none;
  height: 30px;
  padding: 0 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  font: 500 13px/1 var(--font-sans);
  white-space: nowrap;
}

.tool-btn--mono {
  font: 500 12px/1 var(--font-mono);
}

.tool-btn--filled {
  background: var(--surface);
}

/* Attachment chips */
.file-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.file-chip {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 26px;  /* 24px + border */
  padding: 0 8px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  font: 400 12px/1 var(--font-mono);
}

.file-chip--removable {
  height: 28px;  /* 26px + border */
  padding: 0 4px 0 8px;
}

.file-chip__remove {
  width: 18px;
  height: 18px;
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--ink);
}

/* --------------------------------------------------------------------------
   Intro
   -------------------------------------------------------------------------- */
.components-intro .kit-title {
  margin-top: 0;
}

.components-intro .kit-lead {
  max-width: 700px;
  margin-top: 20px;
  text-wrap: wrap;
}

/* --------------------------------------------------------------------------
   Assembly: conversation + composer + artifact panel
   -------------------------------------------------------------------------- */
.assembly-section {
  padding-top: 40px;
}

.assembly {
  display: grid;
  grid-template-columns: minmax(0, 1fr);
  min-height: 682px;  /* 680px + border */
  overflow: hidden;
  border: 1px solid var(--ink);
  border-radius: var(--radius-card);
  background: var(--surface);
}

@media (min-width: 1180px) {
  .assembly {
    grid-template-columns: minmax(0, 1fr) 340px;
  }
}

.assembly__chat {
  display: flex;
  flex-direction: column;
  min-width: 0;
}

.assembly__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 49px;  /* 48px + border */
  padding: 0 20px;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink-2);
  font: 400 12px/1 var(--font-mono);
}

.assembly__bar-actions {
  display: flex;
  align-items: center;
  gap: 8px;
}

.demo-badge {
  padding: 3px 7px;
  border: 1px solid var(--machine-ink);
  border-radius: var(--radius-pill);
  color: var(--machine-ink);
}

.assembly__reset {
  height: 26px;
  padding: 0 8px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  font: 400 11px/1 var(--font-mono);
}

.assembly__thread {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 24px;
  overflow: auto;
  padding: 28px var(--thread-pad);
}

/* Idle: starter prompts */
.thread-empty {
  display: flex;
  flex-direction: column;
  gap: 16px;
  margin: auto 0;
}

.thread-empty__title {
  font: 400 28px/1.2 var(--font-serif);
}

.starter-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 10px;
}

.starter {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding: 14px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-control);
  background: var(--surface);
  color: var(--ink);
  text-align: left;
}

.starter:hover {
  border-color: var(--ink);
}

.starter__kind {
  font: 500 11px/1 var(--font-mono);
  color: var(--machine-ink);
}

.starter__label {
  font: 500 15px/1.35 var(--font-sans);
}

/* Human turn */
.human-turn {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.human-turn__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--ink-2);
  font: 500 11px/1 var(--font-mono);
}

.human-turn__text {
  font: 400 24px/1.35 var(--font-serif);
  text-wrap: pretty;
}

/* AI turn */
.ai-turn {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  border-radius: var(--radius-card);
  background: var(--machine-tint);
}

.ai-turn__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.ai-turn__agent {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--machine-ink);
  font: 500 11px/1 var(--font-mono);
  white-space: nowrap;
}

.ai-turn__control {
  height: 28px;
  padding: 0 10px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-sm);
  background: var(--surface);
  color: var(--ink);
  font: 500 12px/1 var(--font-mono);
}

.run-steps {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-left: 4px;
  border-left: 1px solid var(--machine-ink);
}

.run-steps__item {
  position: relative;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding-left: 14px;
  font: 400 13px/1.3 var(--font-mono);
}

.run-steps__dot {
  position: absolute;
  top: 5px;
  left: -4px;
  width: 7px;
  height: 7px;
  border: 1px solid var(--machine-ink);
  border-radius: 50%;
}

.run-steps__item.is-done .run-steps__dot {
  background: var(--machine-ink);
}

.run-steps__meta {
  color: var(--ink-3);
}

.ai-answer {
  max-width: 68ch;
  font: 400 17px/1.65 var(--font-sans);
  text-wrap: pretty;
}

.ai-answer .cite {
  color: var(--ink-2);
}

.ai-answer .cite.is-active {
  border-color: var(--machine-ink);
  color: var(--canvas);
}

.ai-turn__foot {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px 16px;
  padding-top: 12px;
  border-top: 1px solid var(--hairline);
  color: var(--ink-2);
  font: 400 12px/1.3 var(--font-mono);
}

/* Approval card (live) */
.approval {
  display: flex;
  flex-direction: column;
  gap: 14px;
  padding: 20px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.approval__head {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.approval__title {
  display: flex;
  align-items: center;
  gap: 8px;
  font: 600 15px/1.2 var(--font-sans);
}

.approval__state {
  color: var(--ink-2);
  font: 500 11px/1 var(--font-mono);
}

.approval[data-approval="approved"] .approval__state { color: var(--success); }
.approval[data-approval="rejected"] .approval__state { color: var(--error); }

.approval__fields {
  display: grid;
  grid-template-columns: 80px minmax(0, 1fr);
  gap: 6px 12px;
  font: 400 14px/1.4 var(--font-sans);
}

.approval__fields dt {
  color: var(--ink-3);
  font: 400 12px/1.6 var(--font-mono);
}

.approval__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.approval__note {
  color: var(--ink-2);
  font: 400 13px/1.45 var(--font-sans);
}

/* Composer ------------------------------------------------------------------ */
.composer-wrap {
  position: relative;
  padding: 0 var(--thread-pad) 20px;
}

.command-menu,
.model-menu {
  position: absolute;
  bottom: calc(100% - 12px);
  z-index: 5;
  padding: 6px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-control);
  background: var(--surface);
}

.command-menu {
  left: var(--thread-pad);
  width: calc(min(360px, 80%) + 14px);  /* + padding and border */
}

.model-menu {
  right: var(--thread-pad);
  width: calc(min(340px, 90%) + 14px);
}

.command-menu__item {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  width: 100%;
  padding: 9px 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.command-menu__item:hover {
  background: var(--hairline-2);
}

.command-menu__cmd {
  font: 500 13px/1 var(--font-mono);
}

.command-menu__desc {
  color: var(--ink-2);
  font: 400 13px/1 var(--font-sans);
}

.model-menu__option {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 4px 12px;
  width: 100%;
  padding: 10px;
  border: 0;
  border-radius: var(--radius-sm);
  background: transparent;
  color: var(--ink);
  text-align: left;
}

.model-menu__option[aria-selected="true"] {
  background: var(--hairline-2);
}

.model-menu__name {
  font: 500 13px/1 var(--font-mono);
}

.model-menu__meta {
  color: var(--ink-2);
  font: 400 12px/1 var(--font-mono);
}

.model-menu__desc {
  color: var(--ink-2);
  font: 400 13px/1.3 var(--font-sans);
}

.composer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 12px;
  border: 1px solid var(--ink);
  border-radius: var(--radius-card);
  background: var(--surface);
}

.composer__input {
  border: 0;
  background: transparent;
  color: var(--ink);
  font: 400 16px/1.5 var(--font-sans);
  resize: none;
}

.composer__input,
.composer__input:focus-visible {
  outline: 0;
}

.composer__tools {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 6px;
}

.tool-toggle {
  flex: none;
  height: 30px;
  padding: 0 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-pill);
  background: transparent;
  color: var(--ink);
  font: 500 13px/1 var(--font-sans);
  white-space: nowrap;
}

.tool-toggle[aria-pressed="true"] {
  border-color: var(--ink);
  background: var(--ink);
  color: var(--canvas);
}

.tool-toggle[aria-pressed="true"]::before {
  content: "✓ ";
}

.composer__spacer {
  flex: 1 1 0;
  min-width: 0;
}

.composer__hint {
  flex: none;
  height: 30px;
  padding: 0 8px;
  border: 0;
  background: transparent;
  color: var(--ink-3);
  font: 400 11px/1 var(--font-mono);
  white-space: nowrap;
}

.composer__send {
  flex: none;
  width: 36px;
  height: 36px;
  border: 1px solid var(--action-border);
  border-radius: var(--radius-md);
  background: var(--action);
  color: var(--on-action);
  font: 600 16px/1 var(--font-sans);
}

/* Artifact panel -------------------------------------------------------------- */
.artifact-panel {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border-left: 1px solid var(--hairline);
  background: var(--surface-2);
}

.artifact-panel__bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 49px;  /* 48px + border */
  padding: 0 16px;
  border-bottom: 1px solid var(--hairline);
  color: var(--ink-3);
  font: 500 11px/1 var(--font-mono);
}

.artifact-panel__empty {
  display: flex;
  flex-direction: column;
  gap: 8px;
  max-width: 288px;  /* 240px + padding */
  margin: auto;
  padding: 24px;
  text-align: center;
}

.artifact-panel__empty-title {
  font: 400 20px/1.3 var(--font-serif);
}

.artifact-panel__empty-text {
  color: var(--ink-2);
  font: 400 14px/1.5 var(--font-sans);
}

.artifact-panel__body {
  display: flex;
  flex: 1;
  flex-direction: column;
  gap: 14px;
  overflow: auto;
  padding: 20px;
}

.artifact-panel__head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
}

.artifact-panel__title {
  font: 600 16px/1.3 var(--font-sans);
}

.ai-label {
  display: flex;
  flex: none;
  align-items: center;
  gap: 6px;
  height: 22px;
  padding: 0 8px;
  border-radius: var(--radius-pill);
  background: var(--machine-tint);
  color: var(--machine-ink);
  font: 500 11px/1 var(--font-sans);
  white-space: nowrap;
}

.ai-label__mark {
  box-sizing: content-box;
  width: 6px;
  height: 6px;
  border: 1.5px solid currentColor;
  transform: rotate(45deg);
}

.artifact-doc {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 18px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-control);
  background: var(--surface);
  font: 400 15px/1.65 var(--font-serif);
}

/* Line edited by the human: lime tint instead of Mist */
.artifact-doc__line.is-edited {
  background: rgba(212, 242, 90, .35);
}

.artifact-panel__meta {
  color: var(--ink-3);
  font: 400 11px/1.5 var(--font-mono);
}

.artifact-panel__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 12px 16px;
  border-top: 1px solid var(--hairline);
}

/* --------------------------------------------------------------------------
   Parts
   -------------------------------------------------------------------------- */
.parts-section,
.rules-section {
  padding-top: clamp(56px, 7vw, 96px);
}

.parts-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 380px), 1fr));
  gap: 16px;
  margin-top: 28px;
}

.part-card {
  gap: 14px;
}

/* Agent step timeline */
.run-log {
  display: flex;
  flex-direction: column;
}

.run-log__item {
  display: grid;
  grid-template-columns: 20px minmax(0, 1fr) auto;
  gap: 4px 10px;
  padding: 10px 0;
  border-bottom: 1px solid var(--hairline-2);
}

.run-log__icon {
  color: var(--ink);
  font: 500 13px/1.3 var(--font-mono);
}

.run-log__icon--ok { color: var(--success); }
.run-log__icon--warn { color: var(--warning); }

.run-log__body {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

.run-log__label {
  font: 500 14px/1.3 var(--font-sans);
}

.run-log__tool {
  color: var(--ink-3);
  font: 400 12px/1.3 var(--font-mono);
}

.run-log__meta {
  color: var(--ink-2);
  font: 400 12px/1.3 var(--font-mono);
  font-variant-numeric: tabular-nums;
  text-align: right;
}

.run-log__total {
  color: var(--ink-2);
  font: 400 12px/1.4 var(--font-mono);
}

/* Handoff to a human (live) */
.handoff {
  display: flex;
  flex-direction: column;
  gap: 12px;
  padding: 16px;
  border-radius: var(--radius-control);
  background: var(--machine-tint);
}

.handoff__text {
  font: 400 15px/1.55 var(--font-sans);
}

.handoff__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.handoff__sent {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-control);
  background: var(--surface);
}

.handoff__avatar {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--hairline-2);
  font: 600 12px/1 var(--font-sans);
}

.handoff__who {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.handoff__name {
  font: 500 14px/1.2 var(--font-sans);
}

.handoff__meta {
  color: var(--ink-3);
  font: 400 12px/1.2 var(--font-mono);
}

/* Source cards in the parts grid have no fill of their own */
.source-grid--two .source-card {
  background: transparent;
}

/* No sources found */
.empty-answer {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 16px;
  border-radius: var(--radius-control);
  background: var(--machine-tint);
}

.empty-answer .chip {
  align-self: flex-start;
}

.empty-answer__text {
  font: 400 15px/1.55 var(--font-sans);
}

.empty-answer__actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

/* Static (non-interactive) button specimen */
.static-btn {
  display: flex;
  align-items: center;
  height: 32px;  /* 30px + border */
  padding: 0 10px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-sm);
  background: var(--surface);
  font: 500 13px/1 var(--font-sans);
}

.static-btn--strong {
  border-color: var(--ink);
}

/* Approval card states */
.approval-states {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.approval-state {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-control);
  font: 500 14px/1.3 var(--font-sans);
}

.approval-state--pending {
  border-color: var(--ink);
}

.approval-state__label {
  display: flex;
  align-items: center;
  gap: 8px;
}

.approval-state__label--ok { color: var(--success); }
.approval-state__label--err { color: var(--error); }

.approval-state__meta {
  color: var(--ink-3);
  font: 400 11px/1 var(--font-mono);
}

/* Template gallery (live copy buttons) */
.template-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 8px;
}

.template-card {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding: 14px;
  border: 1px solid var(--hairline);
  border-radius: var(--radius-control);
}

.template-card__team {
  color: var(--machine-ink);
  font: 500 11px/1 var(--font-mono);
}

.template-card__title {
  font: 400 18px/1.25 var(--font-serif);
}

.template-card__meta {
  color: var(--ink-3);
  font: 400 12px/1.4 var(--font-mono);
}

.template-card__copy {
  height: 32px;
  margin-top: auto;
  border: 1px solid var(--ink);
  border-radius: var(--radius-md);
  background: transparent;
  color: var(--ink);
  font: 500 13px/1 var(--font-sans);
}

.template-card__copy[aria-pressed="true"] {
  background: var(--action);
}

/* --------------------------------------------------------------------------
   Rules
   -------------------------------------------------------------------------- */
.rules {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(min(100%, 260px), 1fr));
  margin-top: 20px;
  border-top: 1px solid var(--ink);
}

.rule {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 18px 20px 0 0;
}

.rule__title {
  font: 600 16px/1.3 var(--font-sans);
}

.rule__text {
  color: var(--ink-2);
  font: 400 14px/1.5 var(--font-sans);
}