/* Curriculum Studio — reconciled to the NHELC Studio design (claude-design).
   Layer 1: Organic design-system tokens + components (verbatim where possible).
   Layer 2: Nurturing Hearts brand overrides (Baloo 2, orange-red + leaf green).
   Layer 3: app-specific layout built from the tokens. */

@import url('https://fonts.googleapis.com/css2?family=Figtree:wght@400;600;700&family=Baloo+2:wght@500;600;700&display=swap');

:root {
  --color-bg: #f5ead8;
  --color-surface: #ebddc5;
  --color-text: #201e1d;
  --color-divider: color-mix(in srgb, #201e1d 16%, transparent);

  --color-neutral-100: #f9f4ed;
  --color-neutral-200: #eee7db;
  --color-neutral-300: #dcd3c4;
  --color-neutral-400: #c0b6a5;
  --color-neutral-500: #a19786;
  --color-neutral-600: #82796a;
  --color-neutral-700: #645c50;
  --color-neutral-800: #474238;
  --color-neutral-900: #2e2b25;

  /* Nurturing Hearts brand — Organic ramps retuned to the logo's
     orange-red and leaf green; ground, surface and text unchanged. */
  --font-heading: "Baloo 2", "Figtree", system-ui, sans-serif;
  --font-heading-weight: 600;
  --font-body: "Figtree", system-ui, sans-serif;
  --color-accent: #d9602c;
  --color-accent-2: #8fb457;
  --color-accent-100: #fff1ea;
  --color-accent-200: #ffdccd;
  --color-accent-300: #ffbb9f;
  --color-accent-400: #fb9068;
  --color-accent-500: #ef6a3a;
  --color-accent-600: #c8501f;
  --color-accent-700: #9d3c15;
  --color-accent-800: #722b10;
  --color-accent-900: #481d0d;
  --color-accent-2-100: #f2fae2;
  --color-accent-2-200: #e4f2c9;
  --color-accent-2-300: #cfe5a8;
  --color-accent-2-400: #b4d183;
  --color-accent-2-500: #9abf62;
  --color-accent-2-600: #7ba044;
  --color-accent-2-700: #5e7c31;
  --color-accent-2-800: #435822;
  --color-accent-2-900: #2b3816;

  --space-1: 4.4px;
  --space-2: 8.8px;
  --space-3: 13.2px;
  --space-4: 17.6px;
  --space-6: 26.4px;
  --space-8: 35.2px;

  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 28px;

  --shadow-sm: 0 1px 2px color-mix(in srgb, #2e2b25 14%, transparent);
  --shadow-md: 0 3px 10px color-mix(in srgb, #2e2b25 16%, transparent);
  --shadow-lg: 0 12px 32px color-mix(in srgb, #2e2b25 22%, transparent);
}

/* ── Organic base ─────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; font-size: 15px; line-height: 1.55; font-weight: 400;
  background: var(--color-bg); color: var(--color-text); font-family: var(--font-body);
}
h1, h2, h3, h4, h5, h6 {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  line-height: 1.12; letter-spacing: 0; margin: 0 0 var(--space-2);
}
h1 { font-size: 42px; } h2 { font-size: 32px; } h3 { font-size: 25px; }
h4 { font-size: 20px; } h5 { font-size: 16px; }
h6 { font-size: 13px; letter-spacing: 0.08em; text-transform: uppercase; }
p { margin: 0 0 var(--space-3); }
a { color: var(--color-accent); text-underline-offset: 3px; }
img { display: block; max-width: 100%; }
.text-muted { color: color-mix(in srgb, var(--color-text) 55%, transparent); }
:focus { outline: none; }
:focus-visible { outline: 2px solid var(--color-accent); outline-offset: 2px; }
::selection { background: color-mix(in srgb, var(--color-accent) 30%, transparent); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: var(--color-neutral-300); border-radius: 999px; }
::-webkit-scrollbar-track { background: transparent; }
.washed { filter: saturate(0.6) contrast(0.85) brightness(1.1) opacity(0.94); }

/* — buttons — */
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 6px;
  cursor: pointer; text-decoration: none;
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 14px; line-height: 1.2; color: var(--color-text);
  background: transparent; border: 1px solid transparent;
  padding: var(--space-2) calc(var(--space-3) * 1.2);
  border-radius: 999px;
}
.btn svg { display: block; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; }
.btn-primary { background: var(--color-accent); color: var(--color-bg); }
.btn-primary:hover:not(:disabled) { background: var(--color-accent-600); }
.btn-primary:active { background: var(--color-accent-700); }
.btn-secondary { border-color: var(--color-divider); }
.btn-secondary:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }
.btn-secondary:active { background: color-mix(in srgb, var(--color-text) 14%, transparent); }
/* AI-action buttons (Generate / Reword / Draft / Suggest): unmistakably
   buttons, sized for reading. */
.btn-ai {
  font-size: 13px; padding: 6px 14px;
  border: 1.5px solid var(--color-accent-300);
  background: var(--color-accent-100); color: var(--color-accent-800);
  box-shadow: var(--shadow-sm);
}
.btn-ai:hover:not(:disabled) { background: var(--color-accent-200); }
.btn-ai:active { background: var(--color-accent-300); }
.btn-ghost { color: var(--color-accent); padding-inline: var(--space-1); }
.btn-ghost:hover { background: color-mix(in srgb, var(--color-accent) 10%, transparent); }
.btn-icon { width: 36px; height: 36px; padding: 0; }
.btn-block { width: 100%; margin-top: var(--space-2); }

/* — forms — */
.field > label {
  display: block; font-size: 12px; margin-bottom: 5px;
  color: color-mix(in srgb, var(--color-text) 70%, transparent);
}
.input {
  width: 100%; min-height: 36px; padding: 6px 14px; font: inherit;
  font-size: 14px; color: var(--color-text); caret-color: var(--color-accent);
  background: var(--color-surface);
  border: 1px solid var(--color-divider); border-radius: 999px;
}
.input:hover { border-color: color-mix(in srgb, var(--color-text) 45%, transparent); }
.input:focus-visible { border-color: var(--color-accent); outline-offset: 0; }
textarea.input { min-height: 90px; resize: vertical; border-radius: var(--radius-md); }
select.input { appearance: none; background-image: none; cursor: pointer; }

/* — cards — */
.card {
  display: flex; flex-direction: column; gap: var(--space-2);
  padding: var(--space-3); border-radius: calc(var(--radius-lg) * 1.15);
  background: var(--color-surface);
}
.card-kicker { font-size: 11px; letter-spacing: 0.1em; text-transform: uppercase; color: var(--color-accent); }
.card-title {
  font-family: var(--font-heading); font-weight: var(--font-heading-weight);
  font-size: 17px; line-height: 1.2;
}
.card-body { margin: 0; font-size: 13px; opacity: 0.8; flex: 1; }
.card-meta {
  display: flex; align-items: center; gap: 6px; font-size: 12px;
  color: color-mix(in srgb, var(--color-text) 50%, transparent);
}
.elev-sm { box-shadow: var(--shadow-sm); }
.elev-md { box-shadow: var(--shadow-md); }
.card.clickable { cursor: pointer; transition: box-shadow .15s, transform .15s; }
.card.clickable:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }

/* — tags — */
.tag {
  display: inline-flex; align-items: center; font-size: 12px;
  letter-spacing: 0.02em; padding: 3px 10px; border-radius: 999px;
  background: var(--color-neutral-100); color: var(--color-neutral-800);
  border: 0; font-family: var(--font-body);
}
.tag-accent { background: var(--color-accent-100); color: var(--color-accent-800); }
.tag-accent-2 { background: var(--color-accent-2-100); color: var(--color-accent-2-800); }
.tag-neutral { background: var(--color-neutral-200); color: var(--color-neutral-800); }
/* status colorways from the design's STATUS_STYLE map */
.tag-status-draft { background: var(--color-neutral-200); color: var(--color-neutral-800); }
.tag-status-pending { background: var(--color-accent-200); color: var(--color-accent-800); }
.tag-status-complete, .tag-status-approved { background: var(--color-accent-2-200); color: var(--color-accent-2-800); }
.tag-status-rejected { background: var(--color-accent-800); color: var(--color-accent-100); }

/* — dialog — */
.dialog-backdrop {
  position: fixed; inset: 0; display: grid; place-items: center;
  padding: var(--space-4); z-index: 60;
  background: color-mix(in srgb, var(--color-neutral-900) 50%, transparent);
}
.dialog {
  width: min(520px, 100%); max-height: 88vh; overflow-y: auto;
  display: flex; flex-direction: column; gap: var(--space-3);
  padding: var(--space-4); border-radius: calc(var(--radius-lg) * 1.15);
  background: var(--color-surface); box-shadow: var(--shadow-lg);
}
.dialog-title { font-family: var(--font-heading); font-weight: var(--font-heading-weight); font-size: 20px; }
.dialog-body { font-size: 14px; display: flex; flex-direction: column; gap: var(--space-3); }
.dialog-actions { display: flex; justify-content: flex-end; gap: var(--space-2); margin-top: var(--space-2); }

/* ── App shell: 296px sidebar + main ─────────────────────────────────── */
.shell {
  display: grid; grid-template-columns: 296px minmax(0, 1fr); height: 100vh;
  background: var(--color-bg); color: var(--color-text); font-family: var(--font-body);
}
.side {
  display: flex; flex-direction: column; gap: var(--space-4);
  padding: var(--space-4); background: var(--color-surface); overflow-y: auto;
}
.side-brand { display: flex; align-items: center; gap: 11px; }
.side-brand svg, .side-brand img { width: 42px; height: 42px; flex: none; }
.side-brand .name { font-family: var(--font-heading); font-size: 18px; line-height: 1.15; }
.side-brand .sub { font-size: 12px; color: var(--color-neutral-700); letter-spacing: .04em; }
.side-label {
  font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-neutral-700); padding-left: 4px;
}
.side nav { display: flex; flex-direction: column; gap: 6px; }
.mode-btn {
  display: flex; align-items: center; gap: 10px; text-align: left; cursor: pointer;
  font-family: var(--font-body); font-size: 14px; padding: 10px 12px;
  border: 0; border-radius: 999px; text-decoration: none;
  background: transparent; color: var(--color-text);
}
.mode-btn:hover { opacity: .88; }
.mode-btn.active { background: var(--color-accent); color: var(--color-bg); }
.mode-btn .icon { display: grid; place-items: center; width: 18px; }
.mode-btn .label { flex: 1; }
.mode-btn .count { font-size: 12px; opacity: .7; }
.side-filters { display: flex; flex-direction: column; gap: var(--space-3); }
.side-filters-head { display: flex; align-items: baseline; justify-content: space-between; }
.side-foot { margin-top: auto; display: flex; flex-direction: column; gap: 8px; padding-top: var(--space-3); }
.side-badges { display: flex; flex-wrap: wrap; gap: 5px; }

.main { display: grid; grid-template-rows: auto minmax(0, 1fr); min-width: 0; overflow: hidden; }
.main-head {
  padding: var(--space-4) var(--space-6) var(--space-3);
  display: flex; align-items: flex-end; justify-content: space-between;
  gap: var(--space-4); flex-wrap: wrap;
}
.main-kicker { font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent-700); }
.main-head h1 { font-size: 30px; margin: 2px 0 0; }
.result-line { font-size: 12px; color: var(--color-neutral-700); margin-top: 3px; }
.ribbon {
  font-size: 12px; color: var(--color-neutral-700); display: flex; gap: 10px;
  padding: 6px 14px; border-radius: 999px; background: var(--color-surface);
}
.ribbon span { white-space: nowrap; }
.chip-clear { border: 0; cursor: pointer; font-family: var(--font-body); }
.chip-clear:hover { background: var(--color-accent-200); }
.main-body {
  display: grid; grid-template-columns: minmax(0, 1fr); gap: var(--space-4);
  padding: 0 var(--space-6) var(--space-6); min-height: 0;
}
.main-body.with-rail { grid-template-columns: minmax(0, 1fr) minmax(320px, 404px); }
.main-scroll { overflow-y: auto; padding-right: 4px; min-width: 0; }
/* Without min-height:0 the grid item grows to its content and the rail's
   own overflow never engages — long cards became unscrollable. */
#detail-rail { min-height: 0; }
#detail-rail > .rail { max-height: 100%; }

/* — detail rail — */
.rail {
  overflow-y: auto; background: var(--color-surface);
  border-radius: calc(var(--radius-lg) * 1.15); padding: var(--space-4);
  display: flex; flex-direction: column; gap: var(--space-3);
  box-shadow: var(--shadow-md);
}
.rail-kicker { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent-700); }
.rail-section-label {
  font-size: 11px; letter-spacing: .1em; text-transform: uppercase;
  color: var(--color-neutral-700); margin-bottom: 6px;
}
.skill-panel { padding: var(--space-3); border-radius: var(--radius-lg); background: var(--color-accent-2-100); }
.skill-panel .lbl { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent-2-800); }
.skill-panel .ttl { font-family: var(--font-heading); font-size: 15px; margin-top: 3px; }
.skill-panel .dsc { font-size: 12.5px; color: var(--color-accent-2-800); margin-top: 3px; }
.skill-panel .pth { font-size: 12px; color: var(--color-accent-2-800); opacity: .85; margin-top: 6px; }
.resource-line { display: flex; gap: 9px; align-items: baseline; font-size: 12.5px; }
.resource-line .mid { flex: 1; }
.resource-line .byline { color: var(--color-neutral-700); }
.prompt-box {
  font-size: 12.5px; padding: var(--space-3); border-radius: var(--radius-md);
  background: var(--color-neutral-100); font-family: ui-monospace, monospace;
  line-height: 1.5; white-space: pre-wrap;
}

/* — toolbar strips (planner nav / library blurb) — */
.sticky-tools {
  position: sticky; top: 0; z-index: 5;
  display: flex; flex-direction: column; gap: var(--space-3);
  background: var(--color-bg); padding-bottom: 2px;
}
.strip {
  display: flex; align-items: center; justify-content: space-between;
  gap: var(--space-3); flex-wrap: wrap;
  padding: var(--space-3) var(--space-4);
  border-radius: calc(var(--radius-lg) * 1.15); background: var(--color-surface);
}
.datenav { display: flex; align-items: center; gap: 8px; }
.datenav .label-wrap { min-width: 230px; text-align: center; }
.datenav .label { font-family: var(--font-heading); font-size: 18px; }
.datenav .sub { font-size: 12px; color: var(--color-neutral-700); }
.zoom-group { display: flex; gap: 4px; padding: 3px; border-radius: 999px; background: var(--color-bg); }
.zoom-pill {
  cursor: pointer; border: 0; font-family: var(--font-body); font-size: 12.5px;
  padding: 6px 14px; border-radius: 999px; text-decoration: none;
  background: transparent; color: var(--color-text);
}
.zoom-pill:hover { opacity: .85; }
.zoom-pill.active { background: var(--color-accent); color: var(--color-bg); }

/* — card grids — */
.grid-cards {
  display: grid; grid-template-columns: repeat(auto-fill, minmax(258px, 1fr));
  gap: var(--space-3); align-content: start;
}
.stripe { height: 3px; width: 44px; border-radius: 999px; }
.qc-row { display: flex; justify-content: space-between; font-size: 12px; color: var(--color-neutral-700); }
.qc-track { height: 7px; border-radius: 999px; background: var(--color-neutral-200); overflow: hidden; }
.qc-fill { height: 100%; border-radius: 999px; transition: width .4s ease; }
.empty-panel {
  padding: var(--space-8) var(--space-6); text-align: center;
  border-radius: calc(var(--radius-lg) * 1.15);
  border: 1.5px dashed var(--color-neutral-400); background: var(--color-neutral-100);
  display: flex; flex-direction: column; align-items: center; gap: 10px;
}
.empty-panel .big { font-family: var(--font-heading); font-size: 22px; }
.empty-panel .note { font-size: 13px; color: var(--color-neutral-700); max-width: 46ch; }

/* — scheduling studio — */
.stage { min-height: 0; display: flex; flex-direction: column; gap: var(--space-3); height: 100%; }
.stage-head { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.stage-head .kicker { font-size: 11px; letter-spacing: .1em; text-transform: uppercase; color: var(--color-accent-700); }
.stage-head .title { font-family: var(--font-heading); font-size: 21px; line-height: 1.15; }
.stage-grid { flex: 1; min-height: 0; display: grid; grid-template-columns: 328px minmax(0, 1fr); gap: var(--space-4); }
.pool-panel {
  min-height: 0; display: flex; flex-direction: column; gap: 8px;
  padding: var(--space-3); border-radius: calc(var(--radius-lg) * 1.15);
  background: var(--color-surface);
}
.pool-panel-head { display: flex; align-items: baseline; justify-content: space-between; gap: 8px; }
.pool-panel-head .ttl { font-family: var(--font-heading); font-size: 15px; }
.pool-panel-head .cnt { font-size: 12px; color: var(--color-neutral-700); }
.pool-filters {
  display: flex; flex-direction: column; gap: 6px; padding: 9px;
  border-radius: var(--radius-lg); background: var(--color-bg);
}
.pool-filters .input { min-height: 32px; font-size: 12.5px; padding-inline: 11px; }
.pool-filters .two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 6px; }
.toggle-pill {
  flex: 1; cursor: pointer; font-family: var(--font-body); font-size: 12px;
  padding: 6px 10px; border: 1px solid var(--color-divider); border-radius: 999px;
  background: transparent; color: var(--color-text);
}
.toggle-pill.on { background: var(--color-accent); color: var(--color-bg); border-color: var(--color-accent); }
.pool-list {
  flex: 1; min-height: 0; overflow-y: auto; display: flex; flex-direction: column;
  gap: 8px; padding-right: 2px;
}
.pool-item {
  display: grid; grid-template-columns: 16px minmax(0, 1fr) auto; gap: 8px;
  align-items: start; padding: 10px; border-radius: var(--radius-md);
  background: var(--color-bg); cursor: grab;
}
.pool-item:hover { background: var(--color-neutral-100); }
.pool-item:active { cursor: grabbing; }
.grip { font-size: 13px; color: var(--color-neutral-500); letter-spacing: -2px; padding-top: 2px; }
.pool-item .ttl { font-size: 13px; font-weight: 600; line-height: 1.25; }
.pool-item .meta { font-size: 12px; color: var(--color-neutral-700); margin-top: 2px; }
.mini-icon-btn {
  width: 28px; height: 28px; padding: 0; font-size: 13px;
  display: inline-flex; align-items: center; justify-content: center;
  cursor: pointer; border: 1px solid var(--color-divider); border-radius: 999px;
  background: transparent; color: var(--color-text);
}
.mini-icon-btn:hover { background: color-mix(in srgb, var(--color-text) 7%, transparent); }

.stage-pane { min-height: 0; display: flex; flex-direction: column; gap: var(--space-3); overflow-y: auto; padding-right: 4px; }
.gate-panel { padding: var(--space-3); border-radius: calc(var(--radius-lg) * 1.15); display: flex; flex-direction: column; gap: 8px; }
.gate-panel.locked { background: var(--color-accent-100); }
.gate-panel.unlocked { background: var(--color-accent-2-100); }
.gate-panel .head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.gate-panel .ttl { font-family: var(--font-heading); font-size: 15px; }
.gate-panel .qc-track { height: 8px; }
.gate-panel .row { display: flex; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.gate-panel .note { flex: 1; min-width: 210px; font-size: 13px; color: var(--color-neutral-800); }
.plan-panel { padding: var(--space-3); border-radius: var(--radius-lg); background: var(--color-neutral-100); }
.plan-panel .ttl { font-family: var(--font-heading); font-size: 15px; margin-bottom: 4px; }
.plan-panel .body { font-size: 12.5px; white-space: pre-line; color: var(--color-neutral-800); }
/* markdown-rendered variant: HTML supplies the structure, so normal
   whitespace + compact rhythm for headings/lists */
.plan-panel .body.md { white-space: normal; line-height: 1.55; }
.md :is(h1, h2, h3, h4) { font-family: var(--font-heading); font-size: 13.5px; margin: 10px 0 3px; }
.md p { margin: 6px 0; }
.md ul, .md ol { margin: 4px 0 6px; padding-left: 18px; }
.md li { margin: 2px 0; }
.md strong { color: var(--color-neutral-900); }
.md a { color: var(--color-accent-700); }

.gen-banner {
  padding: 9px 14px; border-radius: var(--radius-md); font-size: 12.5px;
  background: var(--color-accent-2-100); border: 1px solid var(--color-accent-2-200);
  color: var(--color-accent-2-800); margin-bottom: var(--space-3);
}
.gen-banner.stale {
  background: var(--color-accent-100); border-color: var(--color-accent-200);
  color: var(--color-accent-800);
}

#toast {
  position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  z-index: 200; max-width: min(520px, 90vw);
  padding: 11px 18px; border-radius: var(--radius-md); font-size: 13px;
  background: var(--color-accent-800); color: var(--color-accent-100);
  box-shadow: var(--shadow-md); transition: opacity .3s ease;
}
#toast[hidden] { display: none; }

.vocab-card { width: 96px; display: flex; flex-direction: column; gap: 4px; align-items: center; }
.vocab-card img, .vocab-card .ph {
  width: 88px; height: 88px; object-fit: cover; border-radius: 10px;
  border: 1px solid var(--color-neutral-300); background: var(--color-surface);
  display: grid; place-items: center; font-size: 24px;
}
.vocab-card .wd { font-size: 12.5px; font-weight: 600; text-align: center; overflow-wrap: anywhere; }
.vocab-card .acts { display: flex; gap: 4px; }

.prep-note { font-size: 12px; color: var(--color-accent-700); margin-top: 3px; }
.prep-edit { margin-top: 2px; }
.prep-edit summary {
  cursor: pointer; list-style: none; font-size: 11.5px;
  color: var(--color-neutral-600); width: fit-content;
}
.prep-edit summary::-webkit-details-marker { display: none; }
.prep-edit summary:hover { color: var(--color-accent-700); }
.prep-edit form { display: flex; gap: 4px; margin-top: 4px; }
.prep-edit .input { min-height: 28px; font-size: 12.5px; padding: 3px 9px; }
.prep-edit .btn { font-size: 12px; padding: 2px 10px; }

.day-row { display: grid; grid-template-columns: 64px minmax(0, 1fr); gap: 10px; align-items: start; }
.day-gutter { text-align: right; padding-top: 10px; }
.day-gutter .wd { font-family: var(--font-heading); font-size: 13px; }
.day-gutter .dt { font-size: 11px; color: var(--color-neutral-600); }
.day-gutter .ct { font-size: 11px; color: var(--color-accent-700); }
.day-drop {
  min-height: 52px; padding: 7px; border-radius: var(--radius-md);
  border: 1.5px dashed var(--color-neutral-300); background: transparent;
  display: flex; flex-direction: column; gap: 6px;
}
.day-drop.drag-over { border-color: var(--color-accent); background: var(--color-accent-100); }
.day-drop .hint { font-size: 12.5px; color: var(--color-neutral-600); padding: 6px 4px; }
.sched-item {
  display: grid; grid-template-columns: 16px minmax(0, 1fr) auto; gap: 8px;
  align-items: start; padding: 9px 10px; border-radius: var(--radius-md);
  background: var(--color-surface); border-left: 3px solid var(--color-accent-2-400);
  cursor: grab;
}
.sched-item .ttl { font-size: 13px; font-weight: 600; }
.sched-item .meta { font-size: 12px; color: var(--color-neutral-700); margin-top: 2px; }
.sched-item .tags { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 5px; }
.sched-item .tag { font-size: 11px; }
.week-card { border-radius: var(--radius-lg); background: var(--color-surface); overflow: hidden; }
.week-card summary {
  display: flex; align-items: center; gap: 10px; padding: 11px 13px; cursor: pointer;
  border-left: 4px solid var(--color-accent-2-400); list-style: none;
}
.week-card summary::-webkit-details-marker { display: none; }
.week-card summary:hover { background: var(--color-neutral-100); }
.week-card summary .ttl { font-family: var(--font-heading); font-size: 14px; }
.week-card summary .rng { font-size: 12px; color: var(--color-neutral-700); }
.week-card .days { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 8px; }
.week-card .day-drop { background: transparent; }
.week-card .sched-item { background: var(--color-bg); }

/* — worksheet studio cards — */
.ws-preview {
  border-radius: var(--radius-md); background: var(--color-neutral-100);
  border: 1px solid var(--color-divider); aspect-ratio: 4 / 3;
  object-fit: cover; width: 100%; cursor: pointer;
}
.ws-preview-tall { aspect-ratio: 8.5 / 11; object-fit: cover; width: 100%; border-radius: var(--radius-md); border: 1px solid var(--color-divider); }
.regen-panel { padding: var(--space-3); border-radius: var(--radius-lg); background: var(--color-accent-100); display: flex; flex-direction: column; gap: 8px; }
.regen-panel .ttl { font-family: var(--font-heading); font-size: 14px; color: var(--color-accent-800); }

@media (max-width: 1180px) {
  .shell { grid-template-columns: 1fr; height: auto; }
  .side { position: static; }
  .main { overflow: visible; }
  .main-body.with-rail { grid-template-columns: minmax(0, 1fr); }
  .stage-grid { grid-template-columns: minmax(0, 1fr); }
  .pool-list { max-height: 420px; }
}

.week-card summary .chev::before { content: '▸'; font-size: 13px; }
.week-card[open] summary .chev::before { content: '▾'; }

/* rail opens via htmx swap — widen the grid when a rail is present */
.main-body:has(> #detail-rail > .rail) { grid-template-columns: minmax(0, 1fr) minmax(320px, 404px); }
#detail-rail:empty { display: none; }

/* — theme typeahead — */
.typeahead-list {
  position: absolute; top: calc(100% + 4px); left: 0; right: 0; z-index: 70;
  max-height: 200px; overflow-y: auto;
  background: var(--color-neutral-100); border: 1px solid var(--color-neutral-300);
  border-radius: var(--radius-md); box-shadow: var(--shadow-md); padding: 4px;
}
.typeahead-item {
  display: flex; align-items: center; justify-content: space-between; gap: 8px;
  padding: 7px 10px; border-radius: 10px; cursor: pointer; font-size: 13px;
}
.typeahead-item:hover, .typeahead-item.active { background: var(--color-accent-100); }

/* — worksheet review studio — */
.sheet-item {
  display: flex; align-items: center; gap: 9px; padding: 8px 9px;
  border-radius: var(--radius-md); background: var(--color-bg);
  text-decoration: none; color: var(--color-text);
}
.sheet-item:hover { background: var(--color-neutral-100); }
.sheet-item.active { background: var(--color-accent-100); box-shadow: inset 3px 0 0 var(--color-accent); }
.sheet-item img, .sheet-item .thumb-empty {
  width: 40px; height: 52px; object-fit: cover; border-radius: 6px; flex: none;
  border: 1px solid var(--color-neutral-300); background: var(--color-neutral-100);
}
.sheet-item .thumb-empty { display: grid; place-items: center; font-size: 15px; }
.sheet-item .ttl { display: block; font-size: 12.5px; font-weight: 600; line-height: 1.25; }
.sheet-item .meta { display: block; font-size: 11.5px; color: var(--color-neutral-700); margin-top: 2px; }
.review-grid {
  display: grid; grid-template-columns: minmax(300px, 440px) minmax(0, 1fr);
  gap: var(--space-4); align-items: start;
}
@media (max-width: 1180px) { .review-grid { grid-template-columns: 1fr; } }

/* — worksheet conversation thread — */
.chat-thread {
  display: flex; flex-direction: column; gap: 8px;
  max-height: 320px; overflow-y: auto; padding-right: 4px;
}
.chat-msg { border-radius: var(--radius-md); padding: 8px 11px; font-size: 12.5px; max-width: 92%; }
.chat-msg.user { background: var(--color-accent-2-100); align-self: flex-start; }
.chat-msg.assistant { background: var(--color-neutral-100); align-self: flex-end; border: 1px solid var(--color-divider); }
.chat-msg.assistant.failed { background: var(--color-accent-100); border-color: var(--color-accent-200); }
.chat-meta { display: flex; justify-content: space-between; gap: 12px; font-size: 11px; color: var(--color-neutral-600); margin-bottom: 3px; }
.chat-body { white-space: pre-wrap; word-break: break-word; }

/* — skill coverage panel — */
.coverage-panel {
  padding: var(--space-3); border-radius: calc(var(--radius-lg) * 1.15);
  background: var(--color-neutral-100); border: 1px solid var(--color-divider);
  display: flex; flex-direction: column; gap: 8px;
}
.coverage-panel .head { display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.coverage-panel .ttl { font-family: var(--font-heading); font-size: 15px; }
.cov-rows { display: flex; flex-direction: column; gap: 5px; }
.cov-row { display: grid; grid-template-columns: minmax(110px, 170px) 1fr auto; gap: 10px; align-items: center; }
.cov-name { font-size: 12px; font-weight: 600; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.cov-track { height: 7px; border-radius: 999px; background: var(--color-neutral-200); overflow: hidden; display: block; }
.cov-fill { height: 100%; display: block; border-radius: 999px; background: var(--color-accent-2-500); transition: width .3s; }
.cov-count { font-size: 11.5px; color: var(--color-neutral-700); white-space: nowrap; }
.cov-gaps { display: flex; align-items: center; gap: 5px; flex-wrap: wrap; padding-top: 2px; }