:root {
  color-scheme: light;
  --paper: #f7f3ea;
  --paper-2: #eef1ec;
  --surface: rgba(255, 255, 255, 0.76);
  --surface-strong: rgba(255, 255, 255, 0.92);
  --ink: #1f2724;
  --muted: #68736c;
  --line: rgba(31, 39, 36, 0.1);
  --moss: #596f61;
  --clay: #a96852;
  --blue: #506d85;
  --gold: #ad8342;
  --radius: 24px;
  --radius-sm: 16px;
  --shadow: 0 24px 70px rgba(43, 39, 33, 0.12);
  --shadow-soft: 0 12px 34px rgba(43, 39, 33, 0.08);
  --font-sans: ui-sans-serif, -apple-system, BlinkMacSystemFont, "Segoe UI", Inter, Arial, sans-serif;
  --font-serif: ui-serif, Georgia, "Times New Roman", serif;
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background:
    radial-gradient(circle at 12% 0%, rgba(255,255,255,.9), transparent 28rem),
    linear-gradient(135deg, var(--paper), var(--paper-2) 52%, #f6efe5);
  color: var(--ink);
  font-family: var(--font-sans);
  line-height: 1.45;
}
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
a { color: inherit; }
.skip-link {
  background: var(--ink);
  color: white;
  left: 1rem;
  padding: .7rem 1rem;
  position: fixed;
  top: -5rem;
  z-index: 100;
}
.skip-link:focus { top: 1rem; }

.public-shell, .studio-shell { display: none; min-height: 100vh; }
.public-shell.active { display: block; }
.studio-shell.active { display: grid; grid-template-columns: 286px minmax(0, 1fr); }

.brand, .public-header, .public-header nav, .studio-topbar, .button-row, .panel-heading {
  align-items: center;
  display: flex;
}
.brand {
  gap: .75rem;
  font-weight: 850;
  text-decoration: none;
}
.brand span {
  align-items: center;
  background: linear-gradient(145deg, #fff9eb, #dfe7de);
  border-radius: 999px;
  box-shadow: inset 0 1px 0 rgba(255,255,255,.95), 0 10px 24px rgba(71,80,68,.14);
  color: #415348;
  display: inline-flex;
  font-weight: 900;
  height: 48px;
  justify-content: center;
  width: 48px;
}

.public-header {
  background: rgba(247, 243, 234, .84);
  border-bottom: 1px solid var(--line);
  justify-content: space-between;
  padding: 1rem clamp(1rem, 5vw, 4.5rem);
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(20px);
}
.public-header nav { flex-wrap: wrap; gap: .45rem; }
.public-header nav a {
  border-radius: 999px;
  color: #58645d;
  font-weight: 760;
  padding: .55rem .82rem;
  text-decoration: none;
}
.public-header nav a:hover, .public-header nav a:focus { background: white; color: var(--ink); }
.public-header .login {
  background: var(--ink);
  box-shadow: 0 10px 22px rgba(31,39,36,.14);
  color: white;
  padding-inline: 1.05rem;
}

.public-main { padding: clamp(1rem, 5vw, 4.5rem); }
.public-hero {
  align-items: center;
  display: grid;
  gap: clamp(1.5rem, 5vw, 4rem);
  grid-template-columns: minmax(0, .92fr) minmax(320px, 1.08fr);
  min-height: calc(100vh - 108px);
}
.public-hero h1 {
  font-family: var(--font-serif);
  font-size: clamp(3rem, 7vw, 6.4rem);
  font-weight: 520;
  letter-spacing: 0;
  line-height: 1.02;
  margin: 0;
}
.public-hero p:not(.eyebrow) {
  color: #56625b;
  font-size: clamp(1.08rem, 2vw, 1.28rem);
  max-width: 690px;
}
.public-search {
  background: rgba(255,255,255,.74);
  border: 1px solid rgba(31,39,36,.1);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  display: grid;
  gap: .55rem;
  grid-template-columns: minmax(0, 1fr) auto;
  margin: 1.35rem 0 1rem;
  max-width: 720px;
  padding: .42rem;
}
.public-search input {
  background: transparent;
  border: 0;
  box-shadow: none;
  min-height: 48px;
}
.public-hero img {
  border-radius: 34px;
  box-shadow: var(--shadow);
  height: min(68vh, 690px);
  object-fit: cover;
  width: 100%;
}
.button-row { flex-wrap: wrap; gap: .7rem; }
.button {
  border: 0;
  border-radius: 999px;
  font-weight: 820;
  min-height: 44px;
  padding: .72rem 1rem;
  text-decoration: none;
  transition: transform 160ms ease, box-shadow 160ms ease, background 160ms ease;
}
.button:hover, .text-button:hover { transform: translateY(-1px); }
.button.primary { background: var(--ink); box-shadow: 0 14px 30px rgba(31,39,36,.18); color: white; }
.button.secondary { background: var(--surface-strong); color: #405048; }
.text-button { background: transparent; border: 0; color: #536159; font-weight: 820; }

.eyebrow {
  color: #75806f;
  font-size: .72rem;
  font-weight: 880;
  letter-spacing: .1em;
  margin: 0 0 .35rem;
  text-transform: uppercase;
}
.public-band, .public-grid, .story-list, .metrics, .workspace-three, .metadata-columns, .authority-grid {
  display: grid;
  gap: 1rem;
}
.public-band { grid-template-columns: repeat(4, minmax(0, 1fr)); padding: 1rem 0 2rem; }
.public-band article, .panel, .metric-card, .public-card, .story-list article, .session-card, .command-card {
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.78);
  border-radius: var(--radius);
  box-shadow: var(--shadow-soft);
  backdrop-filter: blur(22px);
}
.public-band article { min-height: 142px; padding: 1.1rem; }
.public-band strong, .public-band span { display: block; }
.public-band strong { font-size: 1.12rem; margin-bottom: .42rem; }
.public-band span, .muted, .public-card p, .story-list p, .record-subtitle { color: var(--muted); }
.section { padding: clamp(3rem, 7vw, 6rem) 0 0; }
.section-heading { margin-bottom: 1.2rem; }
.section h2, .panel h2 {
  font-size: clamp(1.45rem, 3vw, 2.15rem);
  line-height: 1.06;
  margin: 0;
}
.public-grid { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.public-card, .story-list article { padding: 1.1rem; }
.public-card::before {
  background: linear-gradient(135deg, rgba(89,111,97,.18), rgba(169,104,82,.12), rgba(80,109,133,.12));
  border-radius: 18px;
  content: "";
  display: block;
  height: 112px;
  margin-bottom: 1rem;
}
.split { display: grid; gap: 2rem; grid-template-columns: .75fr 1.25fr; }

.studio-rail {
  align-self: start;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  height: calc(100vh - 2rem);
  margin: 1rem;
  padding: 1rem;
  position: sticky;
  top: 1rem;
}
.studio-rail::before {
  background: rgba(255,255,255,.6);
  border: 1px solid rgba(255,255,255,.75);
  border-radius: 30px;
  box-shadow: var(--shadow-soft);
  content: "";
  inset: 0;
  position: absolute;
  z-index: -1;
  backdrop-filter: blur(24px);
}
.studio-brand { align-items: center; }
.session-card { padding: .9rem; }
.session-card strong, .session-card span { display: block; }
.session-card span { color: var(--muted); font-size: .84rem; }
.studio-rail nav { display: grid; gap: .3rem; }
.studio-rail nav a {
  border-radius: 999px;
  color: #647069;
  font-weight: 760;
  padding: .72rem .9rem;
  text-decoration: none;
}
.studio-rail nav a:hover, .studio-rail nav a.active { background: rgba(255,255,255,.82); color: var(--ink); }
.studio-rail nav a[href="#public"] {
  border: 1px solid rgba(31,39,36,.1);
  margin-top: .4rem;
}
.studio-main { min-width: 0; padding: 1rem 1rem 3rem 0; }
.studio-topbar {
  background: rgba(255,255,255,.65);
  border: 1px solid rgba(255,255,255,.78);
  border-radius: 30px;
  box-shadow: var(--shadow-soft);
  justify-content: space-between;
  margin-bottom: 1rem;
  padding: 1rem 1.15rem;
  position: sticky;
  top: 1rem;
  z-index: 5;
  backdrop-filter: blur(24px);
}
.studio-topbar h1 {
  font-size: clamp(1.9rem, 4vw, 3.1rem);
  line-height: 1.02;
  margin: 0;
}
.view { animation: rise 220ms ease; display: none; }
.view.active { display: block; }
@keyframes rise { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: translateY(0); } }
.studio-hero {
  align-items: end;
  background: var(--surface);
  border: 1px solid rgba(255,255,255,.78);
  border-radius: 30px;
  box-shadow: var(--shadow-soft);
  display: flex;
  gap: 1rem;
  justify-content: space-between;
  margin-bottom: 1rem;
  min-height: 230px;
  padding: clamp(1.2rem, 4vw, 2rem);
  backdrop-filter: blur(22px);
}
.studio-hero h2 {
  font-size: clamp(2rem, 4.4vw, 3.7rem);
  line-height: 1.03;
  margin: 0;
  max-width: 850px;
}
.hero-copy {
  color: var(--muted);
  font-size: 1.05rem;
  max-width: 760px;
}
.command-card { min-width: 160px; padding: 1rem; text-align: center; }
.command-card span, .command-card strong { display: block; }
.command-card strong { font-size: 2rem; }
.metrics { grid-template-columns: repeat(4, minmax(0, 1fr)); margin-bottom: 1rem; }
.metric-card { padding: 1.1rem; }
.metric-card strong { display: block; font-size: 2.4rem; line-height: 1; }
.metric-card span { color: var(--muted); }
.workspace-three { grid-template-columns: minmax(0, 1fr) minmax(0, 1fr) minmax(280px, .75fr); }
.panel { padding: clamp(1rem, 2.5vw, 1.35rem); }
.panel-heading { gap: 1rem; justify-content: space-between; margin-bottom: 1rem; }
.soft-list { display: grid; gap: .72rem; }
.inline-create {
  display: grid;
  gap: .55rem;
  grid-template-columns: minmax(0, 1fr) auto;
  margin-bottom: .85rem;
}
.soft-row {
  background: rgba(255,255,255,.62);
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 18px;
  padding: .9rem;
}
.soft-row button {
  background: transparent;
  border: 0;
  color: var(--ink);
  font-weight: 850;
  padding: 0;
  text-align: left;
}
.empty-bubble,
.category-bubble,
.object-bubble,
.empty-public {
  background: rgba(255,255,255,.68);
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 999px;
  color: var(--ink);
  display: block;
  padding: 1rem 1.1rem;
  text-align: left;
  width: 100%;
}
.empty-bubble {
  border-style: dashed;
  border-radius: 28px;
  min-height: 150px;
}
.empty-public {
  border-radius: 28px;
  grid-column: 1 / -1;
  min-height: 180px;
}
.empty-bubble strong,
.empty-bubble span,
.category-bubble strong,
.category-bubble span,
.empty-public strong,
.empty-public span {
  display: block;
}
.empty-bubble span,
.category-bubble span,
.empty-public span {
  color: var(--muted);
  margin-top: .3rem;
}
.category-bubble {
  min-height: 92px;
  transition: background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}
.category-bubble:hover,
.category-bubble:focus,
.category-bubble.active {
  background: white;
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}
.object-empty .button {
  margin-top: .9rem;
}
.bubble-grid {
  display: grid;
  gap: .75rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
}
.object-bubble {
  border-radius: 26px;
  min-height: 220px;
  padding: .75rem;
  transition: background 160ms ease, box-shadow 160ms ease, transform 160ms ease;
}
.object-bubble:hover,
.object-bubble:focus,
.object-bubble.active {
  background: white;
  box-shadow: var(--shadow-soft);
  transform: translateY(-1px);
}
.object-bubble .object-thumbnail {
  min-height: 112px;
}
.object-bubble strong,
.object-bubble small {
  display: block;
}
.object-bubble small {
  color: var(--muted);
  margin-top: .2rem;
}
.compact-empty {
  min-height: 180px;
}
.selected-card {
  overflow: hidden;
}
.object-thumbnail {
  align-items: end;
  aspect-ratio: 4 / 3;
  background:
    linear-gradient(145deg, rgba(255,255,255,.38), rgba(31,39,36,.08)),
    linear-gradient(135deg, rgba(89,111,97,.24), rgba(169,104,82,.14), rgba(80,109,133,.12));
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 18px;
  color: rgba(31,39,36,.72);
  display: flex;
  font-family: var(--font-serif);
  font-size: clamp(1.7rem, 4vw, 3.4rem);
  font-weight: 560;
  justify-content: flex-start;
  margin-bottom: .85rem;
  min-height: 150px;
  padding: 1rem;
}
.object-thumbnail.audio {
  background:
    repeating-linear-gradient(90deg, rgba(31,39,36,.1) 0 3px, transparent 3px 11px),
    linear-gradient(135deg, #edf3ef, #f7eadf);
}
.object-thumbnail.image {
  background:
    radial-gradient(circle at 70% 28%, rgba(255,255,255,.8) 0 28px, transparent 29px),
    linear-gradient(145deg, #e8eee7, #f4e9dc);
}
.object-thumbnail.doc {
  background:
    linear-gradient(90deg, rgba(31,39,36,.08) 0 1px, transparent 1px 100%),
    linear-gradient(#f8f4ec, #ece8df);
  background-size: 100% 100%, 100% 28px;
}
.pill {
  background: rgba(255,255,255,.76);
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 999px;
  color: #4d5b52;
  display: inline-flex;
  font-size: .76rem;
  font-weight: 820;
  padding: .28rem .62rem;
  white-space: nowrap;
}
.pill.good { background: #e6f0e4; color: #426447; }
.pill.warn { background: #fff4dd; color: #826126; }
.pill.stop { background: #f5e5df; color: #824a3a; }
.crosswalk-mini { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 1rem; }
.crosswalk-mini span { background: #f1eee6; border-radius: 999px; font-weight: 830; padding: .5rem .7rem; }
.hierarchy-layout, .graph-layout, .intake-layout { display: grid; gap: 1rem; grid-template-columns: minmax(300px, .72fr) minmax(0, 1.28fr); }
.tree, .record-browser, .graph-canvas,
.arrangement-map,
.arrangement-detail {
  background: rgba(255,255,255,.56);
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 22px;
  min-height: 420px;
  padding: 1rem;
}
.arrangement-map {
  display: grid;
  gap: 1rem;
}
.fonds-card,
.series-card {
  background: rgba(255,255,255,.64);
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 22px;
  padding: 1rem;
}
.fonds-card {
  border-left: 5px solid var(--moss);
}
.fonds-card span,
.series-card span,
.context-grid span,
.field-stack span {
  color: #778078;
  display: block;
  font-size: .72rem;
  font-weight: 860;
  letter-spacing: .08em;
  margin-bottom: .28rem;
  text-transform: uppercase;
}
.fonds-card h3,
.series-card h3 {
  margin: 0 0 .35rem;
}
.fonds-card p,
.series-card p {
  color: var(--muted);
  margin: 0;
}
.series-river {
  display: grid;
  gap: .75rem;
}
.series-card {
  display: grid;
  gap: .9rem;
  grid-template-columns: minmax(190px, .5fr) minmax(0, 1fr);
}
.series-items {
  display: grid;
  gap: .5rem;
}
.series-items button {
  background: rgba(255,255,255,.72);
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 16px;
  padding: .72rem;
  text-align: left;
}
.series-items button:hover,
.series-items button:focus {
  background: white;
  box-shadow: var(--shadow-soft);
}
.series-items small {
  color: var(--muted);
  display: block;
  font-size: .7rem;
  font-weight: 800;
  margin-bottom: .2rem;
}
.series-items strong {
  display: block;
}
.arrangement-detail h2 {
  line-height: 1.08;
  margin: 0;
}
.context-grid {
  display: grid;
  gap: .65rem;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  margin-top: 1rem;
}
.context-grid article {
  background: rgba(255,255,255,.64);
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 16px;
  padding: .78rem;
}
.context-grid strong {
  display: block;
  font-size: .92rem;
  line-height: 1.25;
}
.tree ul { list-style: none; margin: .4rem 0 .4rem 1rem; padding: 0; }
.tree li { margin: .45rem 0; }
.tree button {
  background: rgba(255,255,255,.75);
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 999px;
  padding: .45rem .7rem;
  text-align: left;
}
.record-browser { display: grid; gap: .72rem; align-content: start; }
.record-anatomy-shell {
  display: grid;
  gap: 1rem;
}
.record-anatomy-header {
  align-items: stretch;
  display: grid;
  gap: 1rem;
  grid-template-columns: minmax(0, 1fr) 260px;
}
.record-anatomy-header h2 {
  font-family: var(--font-serif);
  font-size: clamp(2rem, 4vw, 3.4rem);
  font-weight: 520;
  margin: 0;
}
.record-anatomy-header p:not(.eyebrow) {
  color: var(--muted);
  max-width: 780px;
}
.metadata-columns { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.metadata-class { min-height: 420px; }
.metadata-class h2 { margin-bottom: .7rem; }
.metadata-class ul { color: var(--muted); margin: 0; padding-left: 1.1rem; }
.metadata-lens {
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 24px;
  min-height: 410px;
  padding: 1rem;
}
.metadata-lens.custody { background: linear-gradient(180deg, rgba(232,239,230,.9), rgba(255,255,255,.72)); }
.metadata-lens.description { background: linear-gradient(180deg, rgba(248,239,220,.92), rgba(255,255,255,.72)); }
.metadata-lens.arrangement { background: linear-gradient(180deg, rgba(232,238,244,.92), rgba(255,255,255,.72)); }
.metadata-lens.care { background: linear-gradient(180deg, rgba(246,228,220,.88), rgba(255,255,255,.72)); }
.metadata-lens h2 {
  font-size: 1.45rem;
  margin-bottom: 1rem;
}
.field-stack {
  display: grid;
  gap: .65rem;
}
.field-stack article {
  background: rgba(255,255,255,.68);
  border: 1px solid rgba(31,39,36,.07);
  border-radius: 16px;
  padding: .75rem;
}
.field-stack strong {
  display: block;
  font-size: .94rem;
  line-height: 1.28;
}
.prompt-stack {
  display: grid;
  gap: .7rem;
}
.prompt-stack article {
  align-items: start;
  background: rgba(255,255,255,.62);
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 18px;
  display: grid;
  gap: .2rem .7rem;
  grid-template-columns: 34px 1fr;
  padding: .82rem;
}
.prompt-stack article span {
  align-items: center;
  background: var(--ink);
  border-radius: 999px;
  color: white;
  display: inline-flex;
  font-weight: 850;
  height: 34px;
  justify-content: center;
  width: 34px;
}
.prompt-stack article strong,
.prompt-stack article small {
  display: block;
}
.prompt-stack article small {
  color: var(--muted);
  grid-column: 2;
}
.workflow-track { display: grid; gap: .8rem; grid-template-columns: repeat(5, minmax(0, 1fr)); }
.workflow-step {
  background: rgba(255,255,255,.6);
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 20px;
  min-height: 156px;
  padding: .9rem;
}
.workflow-step strong { display: block; margin-bottom: .45rem; }
.graph-canvas { position: relative; overflow: hidden; }
.node {
  align-items: center;
  background: var(--surface-strong);
  border: 1px solid rgba(31,39,36,.1);
  border-radius: 999px;
  box-shadow: var(--shadow-soft);
  display: inline-flex;
  font-weight: 850;
  min-height: 54px;
  padding: .7rem 1rem;
  position: absolute;
}
.node::after {
  background: rgba(80,109,133,.28);
  content: "";
  height: 2px;
  left: 50%;
  position: absolute;
  top: 50%;
  transform-origin: left center;
  width: 170px;
  z-index: -1;
}
.node:nth-child(1) { left: 7%; top: 14%; }
.node:nth-child(1)::after { transform: rotate(26deg); }
.node:nth-child(2) { left: 48%; top: 28%; }
.node:nth-child(2)::after { transform: rotate(118deg); width: 120px; }
.node:nth-child(3) { left: 22%; top: 62%; }
.node:nth-child(3)::after { transform: rotate(-20deg); width: 160px; }
.node:nth-child(4) { left: 58%; top: 68%; }
.node:nth-child(4)::after { display: none; }
.authority-grid { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.authority-card ul { list-style: none; margin: 0; padding: 0; }
.authority-card li { border-top: 1px solid var(--line); padding: .64rem 0; }
.form-panel { display: grid; gap: .8rem; }
label span {
  color: #707a73;
  display: block;
  font-size: .75rem;
  font-weight: 850;
  margin-bottom: .35rem;
}
input, select, textarea {
  background: rgba(255,255,255,.78);
  border: 1px solid rgba(31,39,36,.12);
  border-radius: var(--radius-sm);
  color: var(--ink);
  min-height: 46px;
  outline: none;
  padding: .72rem .86rem;
  width: 100%;
}
input:focus, select:focus, textarea:focus { border-color: rgba(80,109,133,.5); box-shadow: 0 0 0 4px rgba(80,109,133,.12); }
textarea { min-height: 112px; resize: vertical; }
.checklist { display: grid; gap: .75rem; }
.checklist label {
  background: rgba(255,255,255,.62);
  border: 1px solid rgba(31,39,36,.08);
  border-radius: 16px;
  padding: .8rem;
}
.toast {
  background: rgba(31,39,36,.92);
  border-radius: 999px;
  bottom: 1rem;
  color: white;
  opacity: 0;
  padding: .8rem 1rem;
  pointer-events: none;
  position: fixed;
  right: 1rem;
  transform: translateY(.6rem);
  transition: 180ms ease;
  z-index: 30;
}
.toast.visible { opacity: 1; transform: translateY(0); }

@media (max-width: 1180px) {
  .studio-shell.active { grid-template-columns: 236px minmax(0, 1fr); }
  .public-grid, .public-band, .metrics, .workspace-three, .metadata-columns, .authority-grid, .workflow-track { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .public-hero, .split, .hierarchy-layout, .graph-layout, .intake-layout, .record-anatomy-header { grid-template-columns: 1fr; }
  .series-card { grid-template-columns: 1fr; }
}
@media (max-width: 820px) {
  .studio-shell.active { grid-template-columns: 1fr; }
  .studio-rail { height: auto; position: static; }
  .studio-main { padding: 0 1rem 2rem; }
  .public-header, .studio-topbar, .studio-hero { align-items: stretch; flex-direction: column; }
  .public-band, .public-grid, .metrics, .workspace-three, .metadata-columns, .authority-grid, .workflow-track { grid-template-columns: 1fr; }
  .context-grid { grid-template-columns: 1fr; }
  .public-main { padding: 1rem; }
  .public-hero { min-height: auto; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: .01ms !important; scroll-behavior: auto !important; transition-duration: .01ms !important; }
}