/* Interview workbench: quiet surfaces, visible decisions, inspectable evidence. */
:root {
  --bg: #101719;
  --bg-deep: #0d1315;
  --surface: #161f22;
  --surface-raised: #1d292b;
  --surface-soft: #192326;
  --line: #2d3b3e;
  --line-strong: #506564;
  --text: #eef1e9;
  --muted: #a3b0ad;
  --muted-quiet: #859792;
  --cyan: #c4e790;
  --cyan-strong: #a9cf74;
  --cyan-soft: #d5e9b6;
  --success: #a8d5ad;
  --success-soft: #c9e8cd;
  --warning: #edc37f;
  --danger: #ef9690;
  --danger-soft: #f8b7ac;
  --blue: #a9ccda;
  --shadow: 0 12px 40px #00000014;
  --font-ui: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  --font-mono: "SFMono-Regular", "Cascadia Code", Menlo, monospace;
}
body { background: var(--bg); }
body::before { background-image: linear-gradient(#b8cdb903 1px, transparent 1px), linear-gradient(90deg, #b8cdb903 1px, transparent 1px); background-size: 48px 48px; }
button, select { -webkit-tap-highlight-color: transparent; }
select:focus-visible, .text-button:focus-visible { outline: 2px solid var(--cyan); outline-offset: 4px; }
button:disabled { cursor: default; }
.site-header { background: #101719ee; border-color: var(--line); }
.header-inner { width: min(100% - 64px, 1400px); grid-template-columns: 1fr auto 1fr; min-height: 76px; }
.brand { gap: 12px; }
.brand-name { font-size: 16px; color: var(--text); }
.brand-name small { display: block; margin-top: 5px; font: 9px var(--font-mono); letter-spacing: .16em; color: var(--muted-quiet); text-align: left; }
.demo-label { padding: 3px 5px; border-color: var(--line-strong); color: var(--muted); background: transparent; }
.brand-mark { width: 33px; height: 36px; }
.view-tabs { gap: 25px; }
.view-tab { font-size: 13px; }
.view-tab.is-active { color: var(--cyan); }
.demo-status { font-size: 11px; }
.status-dot { width: 5px; height: 5px; background: var(--cyan); box-shadow: 0 0 0 4px #c4e7900c; }
.app-shell { width: min(100% - 64px, 1400px); padding: 32px 0 28px; }
.lab-hero { display: grid; grid-template-columns: 1fr minmax(360px, .83fr); gap: 70px; align-items: stretch; margin-bottom: 24px; }
.eyebrow, .view-header .eyebrow { margin: 0; font: 10px/1.5 var(--font-mono); letter-spacing: .12em; color: var(--cyan); }
.hero-copy .eyebrow span { color: var(--muted-quiet); font-family: var(--font-ui); letter-spacing: .04em; }
.lab-hero h1 { margin-top: 13px; font-size: clamp(30px, 3vw, 43px); font-weight: 600; line-height: 1.28; letter-spacing: -.045em; }
.lab-hero h1 > span { color: var(--cyan); }
.hero-copy > p:last-child { margin-top: 13px; font-size: 12px; line-height: 1.9; }
.mission-card { display: flex; min-width: 0; flex-direction: column; justify-content: center; padding: 23px 26px; border: 1px solid var(--line); border-radius: 10px; background: linear-gradient(120deg, #c4e79005, transparent 70%), var(--surface); position: relative; }
.mission-card::before { content: ""; position: absolute; top: 26px; bottom: 26px; left: -1px; width: 2px; background: var(--cyan); }
.mission-top { display: flex; justify-content: space-between; align-items: center; gap: 10px; }
.mission-top .eyebrow { color: var(--muted-quiet); font-size: 9px; }
.mission-card h2 { margin: 18px 0 0; font-size: 19px; line-height: 1.5; font-weight: 600; letter-spacing: -.02em; }
.mission-card p { min-height: 40px; font-size: 12px; line-height: 1.8; }
.mission-card .view-actions { margin-top: 20px; gap: 8px; flex-wrap: wrap; }
.button { min-height: 39px; border-radius: 5px; font-weight: 600; font-size: 12px; }
.button-primary { color: #19221b; box-shadow: none; }
.button-primary:hover:not(:disabled) { background: #d2eea8; }
.button-quiet { background: transparent; }
.button-quiet:hover:not(:disabled) { background: var(--surface-raised); }
.presenter-bar { display: flex; gap: 16px; justify-content: space-between; align-items: center; min-height: 53px; padding: 8px 14px; border: 1px solid var(--line); border-radius: 7px 7px 0 0; background: #1b2528; }
.presenter-label, .playback-controls { display: flex; align-items: center; gap: 10px; }
.presenter-label { white-space: nowrap; }
.presenter-label strong { font-size: 11px; font-weight: 600; }
.presenter-label > span:last-child { color: var(--muted-quiet); font-size: 10px; }
.presenter-light { width: 6px; height: 6px; border-radius: 2px; background: var(--cyan); }
.control-button { min-height: 30px; padding: 3px 10px; background: transparent; border: 1px solid var(--line); border-radius: 4px; font-size: 11px; color: var(--muted); cursor: pointer; white-space: nowrap; }
.control-button:hover:not(:disabled) { background: var(--surface-raised); border-color: var(--line-strong); color: var(--text); }
.control-button:disabled { opacity: .4; }
.control-button[aria-pressed="true"] { color: var(--cyan-soft); border-color: #c4e79039; }
.speed-control { display: flex; align-items: center; gap: 8px; color: var(--muted-quiet); font-size: 10px; }
.speed-control select { min-height: 30px; max-width: 125px; padding: 0 8px; color: var(--text); border: 1px solid var(--line); border-radius: 4px; background: var(--surface); font: 11px var(--font-ui); cursor: pointer; }
.reset-button { border-color: transparent; color: var(--muted-quiet); }
.source-strip { min-height: 46px; border-top: 0; border-radius: 0 0 7px 7px; background: transparent; box-shadow: none; padding: 0 15px; }
.source-strip strong { font-size: 10px; color: var(--muted); }
.source-label { font-size: 10px; font-weight: 400; }
.source-divider { margin: 0 18px; height: 15px; }
.story-guide { margin: 23px 0 20px; }
.story-heading { display: flex; align-items: center; gap: 12px; margin-bottom: 10px; }
.story-heading .eyebrow { font-size: 9px; color: var(--muted-quiet); }
.story-heading > span:last-child { color: var(--muted-quiet); font-size: 10px; }
.story-chapters { display: grid; grid-template-columns: repeat(4, minmax(0, 1fr)); gap: 0; }
.story-chapters button { display: grid; grid-template-columns: 29px 1fr; gap: 2px 8px; padding: 12px 16px; text-align: left; border: 0; border-top: 1px solid var(--line); background: transparent; cursor: pointer; }
.story-chapters button > span { grid-row: span 2; color: var(--muted-quiet); font: 12px/1.6 var(--font-mono); }
.story-chapters strong { font-size: 12px; font-weight: 550; color: var(--muted); }
.story-chapters small { font-size: 10px; color: var(--muted-quiet); }
.story-chapters button:hover { background: #c4e79003; }
.story-chapters button[aria-pressed="true"] { border-top-color: var(--cyan); background: linear-gradient(#c4e79008, transparent); }
.story-chapters button[aria-pressed="true"] > span, .story-chapters button[aria-pressed="true"] strong { color: var(--cyan); }
.speaker-note { display: flex; align-items: center; gap: 13px; min-height: 54px; padding: 10px 14px; background: #c4e79004; border: 1px solid #c4e79018; border-radius: 5px; }
.speaker-note > span { color: var(--cyan-soft); font-size: 10px; white-space: nowrap; }
.speaker-note p { flex: 1; margin: 0; color: var(--muted); font-size: 11px; line-height: 1.8; }
.text-button { padding: 5px 0; border: 0; background: transparent; color: var(--cyan-soft); font-size: 11px; cursor: pointer; white-space: nowrap; }
.text-button:hover { color: var(--text); }
.panel { border-color: var(--line); border-radius: 7px; background: var(--surface); box-shadow: none; }
.panel-header { min-height: 47px; padding: 0 17px; border-color: var(--line); background: transparent; }
.panel-header h2 { font-size: 12px; font-weight: 550; }
.panel-header h2 small { margin-left: 7px; font-size: 9px; font-weight: 400; color: var(--muted-quiet); }
.panel-meta { font-size: 9px; color: var(--muted-quiet); }
.assessment-panel { margin-top: 0; }
.module-grid { grid-template-columns: repeat(6, minmax(0, 1fr)); gap: 5px; padding: 8px; }
.module-card { grid-template-columns: 1fr auto; grid-template-areas: "index status" "copy copy" "result result"; min-height: 91px; padding: 10px 11px; gap: 4px; border-color: var(--line); border-radius: 4px; background: var(--bg); }
.module-card.is-selected { border-color: #c4e79077; background: #c4e79008; box-shadow: none; }
.module-card.is-active { border-color: #c4e79066; background: #c4e79008; }
.module-card.is-ready { border-color: #a8d5ad38; background: #a8d5ad05; }
.module-card.is-attention { border-color: #edc37f4a; background: #edc37f06; }
.module-card:not(:disabled):hover { background: var(--surface-raised); }
.module-copy strong { font-size: 11px; color: var(--text); }
.module-copy small { font-size: 9px; }
.process-rail { margin: 22px 0; padding: 0 5px; }
.step-dot { background: var(--bg); border-color: var(--line-strong); }
.process-step strong { font-size: 11px; font-weight: 550; }
.process-step small { font-size: 9px; }
.process-step.is-active .step-dot { border-color: var(--cyan); color: var(--cyan); background: #c4e79010; box-shadow: 0 0 0 4px #c4e79006; }
.process-grid { grid-template-columns: minmax(0, .83fr) minmax(0, 1.17fr); gap: 15px; }
.event-list { max-height: 405px; min-height: 340px; }
.event-row { border-radius: 4px; }
.event-row.is-selected { border-color: #c4e79055; background: #c4e79008; box-shadow: none; }
.event-row:hover { background: var(--surface-raised); }
.event-copy strong { color: var(--text); font-size: 11px; }
.event-copy small { font-size: 10px; }
.event-row time { color: var(--muted-quiet); font-size: 9px; }
.detail-content { padding: 21px; }
.detail-content h3 { font-size: 18px; line-height: 1.6; }
.detail-summary { color: var(--muted); font-size: 12px; }
.detail-kicker { color: var(--cyan); font-size: 9px; }
.inspection-section, .record-inspection-shell { background: var(--bg); border-color: var(--line); }
.inspection-section > summary, .record-inspection-shell > summary { background: transparent; }
.evidence-block { background: var(--bg-deep); border-color: var(--line); color: var(--cyan-soft); }
.next-step { background: #c4e79005; border-color: #c4e79025; }
.status-badge { font-size: 10px; }
.status-badge.is-active, .status-badge.is-info { background: #c4e7900a; border-color: #c4e79038; color: var(--cyan-soft); }
.status-badge.is-success { background: #a8d5ad0b; border-color: #a8d5ad38; color: var(--success); }
.status-badge.is-pending { background: #edc37f0b; border-color: #edc37f38; color: var(--warning); }
.code-comparison-panel { margin-top: 20px; }
.code-version-card { background: var(--bg); border-color: var(--line); }
.code-version-header { background: transparent; border-color: var(--line); }
.code-product-placeholder { background: transparent; }
.validation-strip { background: #c4e79005; border-color: var(--line); border-radius: 6px; }
.validation-strip p { font-size: 11px; }
.reuse-panel { margin-top: 20px; }
.reuse-grid { display: grid; grid-template-columns: 1fr 1fr .75fr; }
.reuse-grid article, .reuse-action { min-width: 0; padding: 23px; }
.reuse-grid article + article, .reuse-action { border-left: 1px solid var(--line); }
.reuse-grid .eyebrow { font-size: 9px; color: var(--muted-quiet); }
.reuse-grid h3 { margin: 11px 0 10px; font-size: 16px; font-weight: 550; }
.reuse-grid p { font-size: 11px; line-height: 1.9; color: var(--muted); }
.reuse-grid article > strong { display: block; margin-top: 17px; color: var(--cyan-soft); font-size: 11px; line-height: 1.7; font-weight: 500; }
.reuse-action { display: flex; flex-direction: column; align-items: flex-start; justify-content: center; }
.reuse-action .button { margin-top: 7px; }
.scope-footnote { margin: 16px 0 0; color: var(--muted-quiet); font-size: 10px; line-height: 1.8; }
.workspace-footer { display: flex; align-items: center; gap: 20px; justify-content: space-between; margin-top: 42px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted-quiet); font-size: 10px; }
.workspace-footer .mono { font-size: 9px; letter-spacing: .08em; }
.record-button.is-selected { background: #c4e79008; border-color: #c4e79055; }
#code-comparison, .assessment-panel, .validation-strip { scroll-margin-top: 92px; }
@media (max-width: 1180px) {
  .header-inner, .app-shell { width: calc(100% - 40px); }
  .header-inner { grid-template-columns: 1fr auto; }
  .demo-status { display: none; }
  .lab-hero { gap: 35px; }
  .playback-controls { gap: 6px; }
  .presenter-label > span:last-child { display: none; }
  .source-divider { margin: 0 12px; }
  .source-strip > div { gap: 7px; }
  .module-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
  .module-card { grid-template-columns: 19px 1fr auto; grid-template-areas: "index copy status" "index result result"; min-height: 70px; }
}
@media (max-width: 800px) {
  .lab-hero { grid-template-columns: 1fr; gap: 23px; }
  .lab-hero h1 br { display: none; }
  .mission-card { padding: 21px; }
  .mission-card h2 { margin-top: 12px; }
  .presenter-bar { flex-direction: column; align-items: flex-start; gap: 10px; }
  .playback-controls { flex-wrap: wrap; }
  .presenter-label > span:last-child { display: inline; }
  .source-strip { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; padding: 14px; }
  .source-divider { display: none; }
  .source-strip > div { flex-wrap: wrap; }
  .story-chapters button { padding: 12px 7px; grid-template-columns: 20px 1fr; gap: 3px; }
  .story-chapters small { font-size: 9px; }
  .speaker-note { flex-wrap: wrap; gap: 8px; }
  .speaker-note p { min-width: 80%; }
  .speaker-note .text-button { margin-left: auto; }
  .process-grid { grid-template-columns: 1fr; }
  .event-list { min-height: 150px; max-height: 285px; }
  .reuse-grid { grid-template-columns: 1fr 1fr; }
  .reuse-action { grid-column: 1 / -1; border-left: 0; border-top: 1px solid var(--line); padding: 16px 23px; }
}
@media (max-width: 560px) {
  .header-inner, .app-shell { width: calc(100% - 28px); }
  .header-inner { display: flex; flex-wrap: wrap; gap: 0; padding-top: 7px; }
  .brand { padding-bottom: 7px; }
  .brand-name { max-width: none; }
  .brand-name small { display: inline; margin-left: 8px; font-size: 8px; }
  .view-tabs { width: 100%; justify-content: space-between; gap: 7px; }
  .view-tab { min-height: 39px; font-size: 11px; }
  .app-shell { padding-top: 23px; }
  .lab-hero h1 { font-size: 32px; }
  .lab-hero h1 br { display: block; }
  .hero-copy .eyebrow { font-size: 8px; }
  .mission-card h2 { font-size: 17px; }
  .presenter-bar { padding: 11px; }
  .control-button { font-size: 10px; padding: 3px 8px; }
  .source-strip { gap: 14px 8px; }
  .source-strip > div { align-items: flex-start; flex-direction: column; gap: 4px; }
  .source-strip strong { white-space: normal; overflow-wrap: anywhere; line-height: 1.6; }
  .story-chapters { grid-template-columns: 1fr 1fr; }
  .story-chapters button { padding: 11px 8px; }
  .module-grid { grid-template-columns: 1fr 1fr; }
  .module-card { grid-template-columns: 1fr auto; grid-template-areas: "index status" "copy copy" "result result"; min-height: 90px; }
  .reuse-grid { grid-template-columns: 1fr; }
  .reuse-grid article + article { border-left: 0; border-top: 1px solid var(--line); }
  .workspace-footer { flex-wrap: wrap; gap: 10px; }
  .workspace-footer > span:nth-child(2) { display: none; }
  .view-header:not(.lab-hero) { flex-direction: column; }
  .view-actions { flex-wrap: wrap; }
  #code-comparison, .assessment-panel, .validation-strip { scroll-margin-top: 120px; }
}