/* =========================================================
   TRIAGEAI HANDBOOK WORKSPACE
   Owner: src/components/handbook/**
   Authority: public/handbook-workspace.css

   Contract:
   - Exact daylight and night ownership only.
   - Geometry is independent from palette.
   - Three visual levels:
       1. Workspace atmosphere
       2. Documentation section
       3. Functional field / guide block / connector card
   ========================================================= */

/* =========================================================
   THEME TOKENS
   ========================================================= */

body[data-theme="daylight"] .handbook-page {
  --handbook-atmosphere:
    radial-gradient(circle at 0% 18%, rgba(73, 103, 82, 0.17), transparent 34%),
    radial-gradient(circle at 58% 0%, rgba(218, 162, 74, 0.12), transparent 30%),
    radial-gradient(circle at 100% 10%, rgba(126, 116, 146, 0.075), transparent 28%),
    linear-gradient(135deg, #edf2e9 0%, #fbf8ef 46%, #f7eddb 78%, #f4f0ea 100%);

  --handbook-ink: #101917;
  --handbook-muted: rgba(16, 25, 23, 0.68);
  --handbook-soft: rgba(16, 25, 23, 0.56);
  --handbook-eyebrow: rgba(21, 63, 52, 0.76);
  --handbook-amber: #6d4712;
  --handbook-violet: #594c76;

  --handbook-line: rgba(23, 47, 39, 0.11);
  --handbook-line-strong: rgba(23, 47, 39, 0.16);
  --handbook-section: rgba(255, 255, 249, 0.36);
  --handbook-field: rgba(255, 255, 249, 0.60);
  --handbook-field-hover: rgba(255, 255, 249, 0.78);
  --handbook-code: rgba(243, 239, 225, 0.62);
  --handbook-note: rgba(218, 162, 74, 0.08);
  --handbook-guide: rgba(91, 77, 121, 0.065);
  --handbook-active: rgba(73, 103, 82, 0.11);

  --handbook-shadow: 0 8px 24px rgba(32, 43, 35, 0.075);
  --handbook-field-shadow: 0 4px 12px rgba(32, 43, 35, 0.045);
}

body[data-theme="night"] .handbook-page {
  --handbook-atmosphere:
    radial-gradient(circle at 0% 12%, rgba(62, 119, 94, 0.12), transparent 36%),
    radial-gradient(circle at 78% 0%, rgba(122, 92, 47, 0.08), transparent 32%),
    linear-gradient(145deg, rgba(7, 19, 17, 0.90), rgba(8, 14, 15, 0.96));

  --handbook-ink: rgba(238, 247, 240, 0.95);
  --handbook-muted: rgba(212, 229, 218, 0.74);
  --handbook-soft: rgba(212, 229, 218, 0.58);
  --handbook-eyebrow: rgba(217, 188, 115, 0.82);
  --handbook-amber: rgba(245, 218, 145, 0.96);
  --handbook-violet: rgba(194, 174, 220, 0.88);

  --handbook-line: rgba(122, 171, 145, 0.10);
  --handbook-line-strong: rgba(217, 188, 115, 0.16);
  --handbook-section: rgba(9, 24, 21, 0.30);
  --handbook-field: rgba(217, 188, 115, 0.025);
  --handbook-field-hover: rgba(217, 188, 115, 0.045);
  --handbook-code: rgba(0, 0, 0, 0.18);
  --handbook-note: rgba(217, 188, 115, 0.045);
  --handbook-guide: rgba(126, 116, 146, 0.055);
  --handbook-active: rgba(122, 171, 145, 0.08);

  --handbook-shadow: none;
  --handbook-field-shadow: none;
}

/* =========================================================
   LEVEL 1 — WORKSPACE ATMOSPHERE
   ========================================================= */

.handbook-page {
  display: grid;
  gap: 18px;
  min-width: 0;
  padding: clamp(16px, 2vw, 24px);
  border: 1px solid var(--handbook-line-strong);
  border-radius: 22px;
  color: var(--handbook-ink);
  background: var(--handbook-atmosphere);
  box-shadow: var(--handbook-shadow);
}

.handbook-header {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 24px;
  min-width: 0;
  padding: 2px 2px 16px;
  border-bottom: 1px solid var(--handbook-line);
  background: transparent;
}

.handbook-header__copy {
  display: grid;
  gap: 5px;
  min-width: 0;
}

.handbook-header__title {
  margin: 0;
  color: var(--handbook-ink);
  font-size: clamp(1.65rem, 2.7vw, 2.45rem);
  font-weight: 850;
  line-height: 1;
  letter-spacing: -0.035em;
  text-transform: uppercase;
  opacity: 1;
}

.handbook-header__meta {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--handbook-muted);
}

.handbook-eyebrow,
.handbook-document__eyebrow,
.handbook-label,
.handbook-ingest-kicker,
.handbook-guide-label,
.handbook-flow-step,
.handbook-glossary-term,
.handbook-anatomy-case__id {
  margin: 0;
  color: var(--handbook-eyebrow);
  font-family: "IBM Plex Mono", "JetBrains Mono", monospace;
  font-size: 0.66rem;
  font-weight: 800;
  line-height: 1.3;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  opacity: 1;
}

/* =========================================================
   DOCUMENT FRAME
   ========================================================= */

.handbook-document {
  display: grid;
  gap: 20px;
  min-width: 0;
  padding: 0;
  border: 0;
  background: transparent;
  box-shadow: none;
}

.handbook-document__header {
  display: grid;
  gap: 8px;
  padding: 2px 2px 16px;
  border-bottom: 1px solid var(--handbook-line);
}

.handbook-document__summary,
.handbook-copy {
  margin: 0;
  max-width: 78ch;
  color: var(--handbook-muted);
  font-size: 0.86rem;
  line-height: 1.62;
}

.handbook-copy--lead {
  max-width: 86ch;
  color: var(--handbook-ink);
  font-size: 0.94rem;
  line-height: 1.65;
}

.handbook-document__body,
.handbook-stack,
.handbook-content {
  display: grid;
  gap: 16px;
  min-width: 0;
}

/* =========================================================
   LEVEL 2 — DOCUMENTATION SECTIONS
   ========================================================= */

.handbook-section {
  display: grid;
  gap: 14px;
  min-width: 0;
  padding: clamp(15px, 1.8vw, 20px);
  border: 1px solid var(--handbook-line);
  border-radius: 15px;
  background: var(--handbook-section);
  box-shadow: none;
}

.handbook-section__title {
  margin: 0;
  color: var(--handbook-ink);
  font-size: clamp(1rem, 1.4vw, 1.18rem);
  font-weight: 820;
  line-height: 1.22;
  letter-spacing: -0.018em;
}

.handbook-section--connectors {
  gap: 16px;
}

/* =========================================================
   LEVEL 3 — FACTS, ENTRIES, CARDS AND FIELDS
   ========================================================= */

.handbook-fact-grid,
.handbook-ingest-grid,
.handbook-guide-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
  min-width: 0;
}

.handbook-fact,
.handbook-ingest-card,
.handbook-guide-block,
.handbook-flow-node,
.handbook-anatomy-case,
.handbook-anatomy-step,
.handbook-anatomy-panel,
.handbook-anatomy-callout,
.handbook-anatomy-verdict {
  min-width: 0;
  padding: 14px;
  border: 1px solid var(--handbook-line);
  border-radius: 13px;
  background: var(--handbook-field);
  box-shadow: var(--handbook-field-shadow);
}

.handbook-ingest-card {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 0;
}

.handbook-ingest-card:hover {
  border-color: var(--handbook-line-strong);
  background: var(--handbook-field-hover);
}

.handbook-ingest-card--guide-ready {
  border-color: color-mix(in srgb, var(--handbook-violet) 24%, transparent);
}

.handbook-value,
.handbook-ingest-title,
.handbook-flow-title,
.handbook-anatomy-case__title {
  margin: 5px 0 0;
  color: var(--handbook-ink);
  font-size: 0.94rem;
  font-weight: 800;
  line-height: 1.28;
}

.handbook-ingest-copy,
.handbook-ingest-note,
.handbook-guide-block p,
.handbook-flow-sub {
  margin: 7px 0 0;
  color: var(--handbook-muted);
  font-size: 0.78rem;
  line-height: 1.5;
}

.handbook-ingest-code {
  width: 100%;
  box-sizing: border-box;
  margin-top: 11px;
  padding: 11px 12px;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
  border: 1px solid var(--handbook-line);
  border-radius: 10px;
  color: var(--handbook-ink);
  background: var(--handbook-code);
  font-family: "IBM Plex Mono", "JetBrains Mono", monospace;
  font-size: 0.71rem;
  line-height: 1.48;
}

.handbook-ingest-note {
  width: 100%;
  box-sizing: border-box;
  padding: 9px 10px;
  border-left: 2px solid var(--handbook-eyebrow);
  background: var(--handbook-note);
}

.handbook-entry {
  display: grid;
  gap: 7px;
  padding: 12px 0;
  border-bottom: 1px solid var(--handbook-line);
}

.handbook-entry:last-child {
  padding-bottom: 0;
  border-bottom: 0;
}

.handbook-entry__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
}

.handbook-entry__meta {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.handbook-entry__line {
  color: var(--handbook-muted);
  font-size: 0.82rem;
  line-height: 1.52;
}

.handbook-entry__line--secondary {
  color: var(--handbook-soft);
}

.handbook-tag-grid {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
}

.handbook-tag {
  display: inline-flex;
  align-items: center;
  min-height: 24px;
  padding: 3px 8px;
  border: 1px solid var(--handbook-line);
  border-radius: 999px;
  color: var(--handbook-muted);
  background: var(--handbook-field);
  font-family: "IBM Plex Mono", "JetBrains Mono", monospace;
  font-size: 0.64rem;
  font-weight: 700;
  letter-spacing: 0.035em;
}

.handbook-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.handbook-list__item {
  display: grid;
  grid-template-columns: 7px minmax(0, 1fr);
  gap: 10px;
  color: var(--handbook-muted);
  font-size: 0.82rem;
  line-height: 1.5;
}

.handbook-list__dot {
  width: 6px;
  height: 6px;
  margin-top: 0.52em;
  border-radius: 50%;
  background: var(--handbook-eyebrow);
}

/* =========================================================
   GUIDE WORKSPACE
   ========================================================= */

.handbook-guide-workspace {
  display: grid;
  gap: 12px;
  min-width: 0;
}

.handbook-guide-shell {
  display: grid;
  gap: 14px;
  margin: 4px 0 2px;
  padding: 16px 0;
  border-top: 1px solid var(--handbook-line);
  border-bottom: 1px solid var(--handbook-line);
  background: transparent;
  box-shadow: none;
}

.handbook-guide-shell__top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.handbook-guide-grid-span {
  grid-column: 1 / -1;
  scroll-margin-top: 96px;
}

.handbook-guide-link,
.handbook-guide-close {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 31px;
  border: 1px solid var(--handbook-line-strong);
  border-radius: 999px;
  cursor: pointer;
  font-family: "IBM Plex Mono", "JetBrains Mono", monospace;
  font-size: 0.66rem;
  font-weight: 800;
  letter-spacing: 0.08em;
  text-decoration: none;
}

.handbook-guide-link {
  margin-top: auto;
  padding: 6px 11px;
  color: var(--handbook-amber);
  background: var(--handbook-note);
}

.handbook-guide-link:hover {
  border-color: color-mix(in srgb, var(--handbook-amber) 36%, transparent);
  text-decoration: none;
}

.handbook-guide-close {
  padding: 6px 12px;
  color: var(--handbook-violet);
  background: var(--handbook-guide);
}

/* =========================================================
   SYSTEM FLOW
   ========================================================= */

.handbook-flow-diagram {
  display: grid;
  grid-template-columns:
    minmax(130px, 1fr) auto
    minmax(145px, 1fr) auto
    minmax(135px, 1fr) auto
    minmax(135px, 1fr) auto
    minmax(135px, 1fr);
  align-items: stretch;
  gap: 8px;
  min-width: 0;
  padding: 14px 0 0;
  border-top: 1px solid var(--handbook-line);
  background: transparent;
}

.handbook-flow-node {
  box-shadow: none;
}

.handbook-flow-arrow {
  display: grid;
  place-items: center;
  color: var(--handbook-eyebrow);
  font-family: "IBM Plex Mono", "JetBrains Mono", monospace;
  font-size: 0.95rem;
}

.handbook-flow-node--core,
.handbook-flow-node--operator {
  border-color: color-mix(in srgb, var(--handbook-eyebrow) 34%, transparent);
}

.handbook-flow-node--route {
  border-color: color-mix(in srgb, var(--handbook-amber) 30%, transparent);
}

.handbook-flow-node--decision {
  border-color: color-mix(in srgb, var(--handbook-violet) 26%, transparent);
}

/* =========================================================
   TICKET ANATOMY — HANDBOOK-OWNED NAMESPACE
   ========================================================= */

.handbook-anatomy-walkthrough {
  overflow: hidden;
}

.handbook-anatomy-hero {
  display: grid;
  grid-template-columns: minmax(0, 1.35fr) minmax(250px, 0.65fr);
  gap: 12px;
  min-width: 0;
}

.handbook-anatomy-case {
  display: grid;
  gap: 9px;
}

.handbook-anatomy-facts {
  display: grid;
  gap: 7px;
}

.handbook-anatomy-mini-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 14px;
  padding: 7px 0;
  border-bottom: 1px solid var(--handbook-line);
  color: var(--handbook-muted);
  font-size: 0.76rem;
  line-height: 1.4;
}

.handbook-anatomy-mini-row:last-child {
  border-bottom: 0;
}

.handbook-anatomy-journey {
  display: flex;
  align-items: stretch;
  gap: 8px;
  min-width: 0;
  overflow-x: auto;
  padding-bottom: 2px;
}

.handbook-anatomy-step {
  flex: 1 0 160px;
  display: grid;
  gap: 5px;
  box-shadow: none;
}

.handbook-anatomy-arrow {
  display: grid;
  place-items: center;
  flex: 0 0 auto;
  color: var(--handbook-eyebrow);
  font-family: "IBM Plex Mono", "JetBrains Mono", monospace;
}

.handbook-anatomy-panel-grid {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 12px;
}

.handbook-anatomy-panel {
  display: grid;
  gap: 10px;
  box-shadow: none;
}

.handbook-anatomy-panel--wide {
  grid-column: 1 / -1;
}

.handbook-anatomy-panel__top {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.handbook-anatomy-signal-list {
  display: grid;
  gap: 8px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.handbook-anatomy-callout {
  border-left: 3px solid var(--handbook-eyebrow);
  background: var(--handbook-active);
  box-shadow: none;
}

.handbook-anatomy-verdict {
  border-color: color-mix(in srgb, var(--handbook-violet) 26%, transparent);
  background: var(--handbook-guide);
  box-shadow: none;
}

/* =========================================================
   RESPONSIVE CONTRACT
   ========================================================= */

@media (max-width: 1180px) {
  .handbook-flow-diagram {
    grid-template-columns: 1fr;
  }

  .handbook-flow-arrow {
    min-height: 16px;
    transform: rotate(90deg);
  }
}

@media (max-width: 900px) {
  .handbook-page {
    padding: 14px;
    border-radius: 17px;
  }

  .handbook-header {
    align-items: flex-start;
    flex-direction: column;
  }

  .handbook-fact-grid,
  .handbook-ingest-grid,
  .handbook-guide-grid,
  .handbook-anatomy-hero,
  .handbook-anatomy-panel-grid {
    grid-template-columns: 1fr;
  }

  .handbook-anatomy-panel--wide {
    grid-column: auto;
  }

  .handbook-section {
    padding: 14px;
  }
}

@media (max-width: 620px) {
  .handbook-entry__top,
  .handbook-guide-shell__top,
  .handbook-anatomy-panel__top {
    align-items: flex-start;
    flex-direction: column;
  }

  .handbook-header__title {
    font-size: 1.55rem;
  }
}