@font-face {
  font-family: 'APL386';
  src: url('./assets/APL386.ttf') format('truetype');
  font-display: swap;
}

:root {
  --font-display: 'Boska', 'Iowan Old Style', Georgia, serif;
  --font-body: 'General Sans', 'Helvetica Neue', sans-serif;
  --font-apl: 'APL386', 'APL385 Unicode', 'DejaVu Sans Mono', monospace;

  --text-xs: clamp(0.75rem, 0.72rem + 0.15vw, 0.8125rem);
  --text-sm: clamp(0.875rem, 0.84rem + 0.18vw, 0.9375rem);
  --text-base: clamp(1rem, 0.97rem + 0.15vw, 1.0625rem);
  --text-lg: clamp(1.125rem, 1.05rem + 0.35vw, 1.3125rem);
  --text-xl: clamp(1.5rem, 1.3rem + 0.9vw, 2rem);
  --text-2xl: clamp(2rem, 1.6rem + 1.8vw, 3rem);

  --space-1: 4px; --space-2: 8px; --space-3: 12px; --space-4: 16px; --space-5: 20px;
  --space-6: 24px; --space-8: 32px; --space-10: 40px; --space-12: 48px; --space-16: 64px;

  /* paints — the same in both modes: they are the work */
  --p-yellow: #F2C230; --on-yellow: #1a1712;
  --p-green: #1E7A44;  --on-green: #ffffff;
  --p-blue: #1F56A8;   --on-blue: #ffffff;
  --p-white: #FBFAF6;  --on-white: #1a1712;
  --p-red: #C0262D;    --on-red: #ffffff;
  --p-purple: #6A2C91; --on-purple: #ffffff;
  --p-black: #151515;  --on-black: #ffffff;

  --color-bg: #F3EFE6;
  --color-surface: #FBF9F4;
  --color-surface-2: #FFFFFF;
  --color-surface-offset: #EAE5DA;
  --color-border: #D3CCBE;
  --color-divider: #DED8CC;
  --color-text: #1D1A15;
  --color-text-muted: #6B655B;
  --color-text-faint: #A39C90;
  --color-primary: #1D1A15;
  --color-line: #151515;

  --radius-sm: 6px; --radius-md: 10px; --radius-lg: 14px;
  --shadow-sm: 0 1px 2px oklch(0.2 0.02 80 / 0.08);
  --shadow-md: 0 6px 18px oklch(0.2 0.02 80 / 0.10);
  --transition-interactive: 180ms cubic-bezier(0.16, 1, 0.3, 1);
}

[data-theme='dark'] {
  --color-bg: #141310;
  --color-surface: #1B1A16;
  --color-surface-2: #22201B;
  --color-surface-offset: #26241F;
  --color-border: #3A372F;
  --color-divider: #2D2A24;
  --color-text: #E8E3D8;
  --color-text-muted: #A39C8E;
  --color-text-faint: #6E685D;
  --color-primary: #E8E3D8;
  --color-line: #E8E3D8;
  --shadow-sm: 0 1px 2px oklch(0 0 0 / 0.3);
  --shadow-md: 0 6px 18px oklch(0 0 0 / 0.4);
}

body { background: var(--color-bg); }
.apl, code, pre, .g { font-family: var(--font-apl); }

.skip { position: absolute; left: -9999px; }
.skip:focus { left: var(--space-4); top: var(--space-4); background: var(--color-surface-2); padding: var(--space-2) var(--space-4); z-index: 50; }

/* header */
.top {
  position: sticky; top: 0; z-index: 20;
  display: flex; align-items: center; gap: var(--space-6);
  padding: var(--space-3) clamp(var(--space-4), 4vw, var(--space-12));
  background: color-mix(in oklab, var(--color-bg) 88%, transparent);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-divider);
}
.brand { display: flex; align-items: center; gap: var(--space-3); text-decoration: none; color: var(--color-text); }
.logo { flex: none; color: var(--color-line); }
.brand-text { display: flex; flex-direction: column; line-height: 1.1; }
.brand-title { font-family: var(--font-display); font-weight: 700; font-size: 1.35rem; letter-spacing: -0.01em; }
.brand-sub { font-size: var(--text-xs); color: var(--color-text-muted); }
.tabs { display: flex; gap: var(--space-1); margin-left: auto; flex-wrap: wrap; }
.tabs a {
  text-decoration: none; color: var(--color-text-muted); font-weight: 500; font-size: var(--text-sm);
  padding: var(--space-2) var(--space-3); border-radius: var(--radius-full, 999px); min-height: 40px; display: inline-flex; align-items: center;
}
.tabs a:hover { color: var(--color-text); background: var(--color-surface-offset); }
.tabs a[aria-current='page'] { color: var(--color-bg); background: var(--color-text); }
.theme { width: 40px; height: 40px; border-radius: 999px; display: grid; place-items: center; color: var(--color-text); }
.theme:hover { background: var(--color-surface-offset); }

main { padding: 0 clamp(var(--space-4), 4vw, var(--space-12)) var(--space-16); max-width: 1480px; margin: 0 auto; }
.view-head { padding: var(--space-10) 0 var(--space-6); max-width: 820px; }
.view-head h1 { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 700; letter-spacing: -0.02em; margin-bottom: var(--space-3); }
.lede { color: var(--color-text-muted); font-size: var(--text-base); }
.lede .apl { color: var(--color-text); font-size: 1.15em; }
.controls { display: flex; gap: var(--space-4); align-items: center; margin-top: var(--space-5); flex-wrap: wrap; }
.switch { display: inline-flex; gap: var(--space-2); align-items: center; font-size: var(--text-sm); font-weight: 500; cursor: pointer; min-height: 40px; }
.switch input { width: 18px; height: 18px; accent-color: var(--color-text); }
.route-chip { display: inline-flex; gap: var(--space-2); align-items: center; font-size: var(--text-sm); background: var(--color-surface-2); border: 1px solid var(--color-border); padding: var(--space-1) var(--space-2) var(--space-1) var(--space-3); border-radius: 999px; }
.route-chip button { font-size: var(--text-xs); text-decoration: underline; padding: var(--space-1) var(--space-2); min-height: 32px; }

/* palette board */
.palette-wrap { display: grid; grid-template-columns: minmax(0, 1fr) 360px; gap: var(--space-6); align-items: start; }
.board { position: relative; display: flex; flex-direction: column; gap: var(--space-3); }
.overlay { position: absolute; inset: 0; width: 100%; height: 100%; pointer-events: none; z-index: 3; overflow: visible; }
.band {
  display: grid; grid-template-columns: 150px minmax(0, 1fr) minmax(0, 1fr);
  border-radius: var(--radius-md); overflow: hidden; position: relative;
  border: 2px solid var(--p-black);
}
.band.split::after { content: ''; position: absolute; top: 0; bottom: 0; left: calc(150px + (100% - 150px) / 2); width: 4px; transform: translateX(-2px); background: var(--p-black); z-index: 1; }
.stack { display: flex; flex-direction: column; gap: 0; border: 2px solid var(--p-black); border-radius: var(--radius-md); overflow: hidden; }
.stack .band { border: 0; border-radius: 0; }
.stack .band + .band { border-top: 2px solid var(--p-black); }
.band-label { padding: var(--space-3) var(--space-4); display: flex; flex-direction: column; justify-content: center; gap: 2px; }
.band-label b { font-weight: 600; letter-spacing: 0.06em; font-size: var(--text-sm); text-transform: uppercase; }
.band-label span { font-size: var(--text-xs); opacity: 0.88; line-height: 1.3; }
.cell { display: flex; flex-wrap: wrap; gap: 2px; align-content: center; justify-content: center; padding: var(--space-3) var(--space-3); min-height: 84px; }
.cell.wide { grid-column: 2 / 4; }
.cell .sub { width: 100%; text-align: center; font-size: var(--text-xs); opacity: 0.75; margin-bottom: 2px; }
.cell.empty::before { content: '· · ·'; opacity: 0.5; letter-spacing: 0.3em; }

.m-yellow { background: var(--p-yellow); color: var(--on-yellow); }
.m-green { background: var(--p-green); color: var(--on-green); }
.m-blue { background: var(--p-blue); color: var(--on-blue); }
.m-white { background: var(--p-white); color: var(--on-white); }
.m-red { background: var(--p-red); color: var(--on-red); }
.m-purple { background: var(--p-purple); color: var(--on-purple); }
.m-black { background: var(--p-black); color: var(--on-black); }
.m-creator { background: #EFE9DC; color: #1a1712; }
.m-canvas {
  color: #1a1712;
  background-color: #fff;
  background-image: linear-gradient(45deg, #e4e1da 25%, transparent 25%), linear-gradient(-45deg, #e4e1da 25%, transparent 25%), linear-gradient(45deg, transparent 75%, #e4e1da 75%), linear-gradient(-45deg, transparent 75%, #e4e1da 75%);
  background-size: 24px 24px; background-position: 0 0, 0 12px, 12px -12px, -12px 0;
}
.m-canvas .band-label { background: rgba(255,255,255,0.85); }

.sides-head { display: grid; grid-template-columns: 150px 1fr 1fr; font-size: var(--text-sm); font-weight: 600; padding: 0 0 var(--space-1); }
.sides-head div { text-align: center; }
.sides-head .apl { font-weight: 400; font-size: 1.1em; margin-left: var(--space-2); }

.chip {
  font-family: var(--font-apl); font-size: 30px; line-height: 1; color: inherit;
  width: 46px; height: 50px; border-radius: var(--radius-sm); display: grid; place-items: center; position: relative;
}
.chip:hover { background: color-mix(in oklab, currentColor 14%, transparent); }
.chip:focus-visible { outline: 2px solid currentColor; outline-offset: 0; }
.chip.on { background: color-mix(in oklab, currentColor 22%, transparent); box-shadow: inset 0 0 0 2px currentColor; }
.chip.kin { box-shadow: inset 0 0 0 2px currentColor; border-radius: 999px; }
.chip.cross::after { content: ''; position: absolute; top: 5px; right: 6px; width: 7px; height: 7px; border-radius: 50%; background: currentColor; }
.chip .step { position: absolute; top: -6px; left: -4px; min-width: 20px; height: 20px; border-radius: 999px; background: var(--p-black); color: #fff; font-family: var(--font-body); font-size: 11px; font-weight: 600; display: grid; place-items: center; border: 2px solid #fff; z-index: 4; }

/* detail */
.detail { position: sticky; top: 88px; background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); box-shadow: var(--shadow-sm); min-height: 240px; }
.detail .empty-note { color: var(--color-text-muted); font-size: var(--text-sm); }
.detail .empty-note .big { font-family: var(--font-apl); font-size: 56px; color: var(--color-text); display: block; margin-bottom: var(--space-3); }
.d-top { display: flex; gap: var(--space-4); align-items: center; margin-bottom: var(--space-4); }
.d-glyph { font-family: var(--font-apl); font-size: 48px; width: 76px; height: 76px; border-radius: var(--radius-md); display: grid; place-items: center; flex: none; border: 2px solid var(--p-black); }
.d-name { font-weight: 600; font-size: var(--text-lg); line-height: 1.2; }
.d-where { font-size: var(--text-xs); color: var(--color-text-muted); margin-top: 2px; }
.d-label { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); font-weight: 600; margin: var(--space-4) 0 var(--space-2); }
pre.ex { background: var(--color-surface-offset); border-radius: var(--radius-sm); padding: var(--space-3) var(--space-4); font-size: 17px; line-height: 1.45; white-space: pre-wrap; word-break: break-word; }
pre.ex .in { display: block; padding-left: 0; }
pre.ex .out { display: block; color: var(--color-text-muted); padding-left: 1.5ch; }
.d-note { font-size: var(--text-sm); margin-top: var(--space-3); color: var(--color-text); }
.d-movement { font-size: var(--text-sm); color: var(--color-text-muted); }
.d-list { display: flex; flex-direction: column; gap: var(--space-2); }
.d-link { text-align: left; font-size: var(--text-sm); padding: var(--space-2) var(--space-3); border-radius: var(--radius-sm); background: var(--color-surface-offset); display: flex; gap: var(--space-3); align-items: center; min-height: 40px; }
.d-link:hover { background: var(--color-border); }
.d-link .g { font-size: 20px; min-width: 1.4em; text-align: center; }
.sw { width: 12px; height: 12px; border-radius: 3px; flex: none; border: 1px solid rgba(0,0,0,0.35); }

/* paths */
.group-title { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; margin: var(--space-10) 0 var(--space-4); }
.group-title:first-child { margin-top: 0; }
.cards { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 520px), 1fr)); gap: var(--space-5); }
.card { background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); box-shadow: var(--shadow-sm); }
.card h3 { font-size: var(--text-lg); font-weight: 600; line-height: 1.25; }
.card .codebox { display: grid; grid-template-columns: 1fr auto; gap: var(--space-4); align-items: start; background: var(--color-surface-offset); border-radius: var(--radius-sm); padding: var(--space-3) var(--space-4); }
.card .codebox pre { font-size: 18px; white-space: pre-wrap; }
.card .codebox .res { color: var(--color-text-muted); font-family: var(--font-apl); font-size: 18px; white-space: pre; text-align: right; }
.card .codebox .res::before { content: 'gives'; display: block; font-family: var(--font-body); font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; }
.route { display: flex; flex-wrap: wrap; gap: var(--space-2); align-items: stretch; }
.route .arrow { align-self: center; font-size: 20px; color: var(--color-text-muted); }
.stepb { width: 112px; border-radius: var(--radius-sm); border: 2px solid var(--p-black); padding: var(--space-2); display: flex; flex-direction: column; gap: 4px; }
.stepb .sb-top { position: relative; height: 46px; display: flex; align-items: center; }
.stepb .sb-top .ln { position: absolute; left: 50%; top: 4px; bottom: 4px; width: 2px; background: currentColor; opacity: 0.9; }
.stepb .sb-top .g { font-size: 30px; position: absolute; transform: translateX(-50%); }
.stepb.L .g { left: 26%; } .stepb.R .g { left: 74%; } .stepb.B .g { left: 50%; }
.stepb .sb-mv { font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; }
.stepb .sb-note { font-size: 12px; line-height: 1.25; opacity: 0.92; }
.lesson { font-size: var(--text-sm); border-left: 3px solid var(--color-text); padding-left: var(--space-3); }
.card-actions { display: flex; gap: var(--space-2); flex-wrap: wrap; margin-top: auto; }
.btn { font-size: var(--text-sm); font-weight: 500; padding: var(--space-2) var(--space-4); border-radius: 999px; border: 1px solid var(--color-border); background: var(--color-surface); min-height: 40px; display: inline-flex; align-items: center; gap: var(--space-2); color: var(--color-text); }
.btn:hover { background: var(--color-surface-offset); border-color: var(--color-text-faint); }
.btn.primary { background: var(--color-text); color: var(--color-bg); border-color: var(--color-text); }
.btn.primary:hover { opacity: 0.88; }

/* walk */
.walk { border-top: 1px dashed var(--color-border); padding-top: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); }
.walk-step { display: grid; grid-template-columns: 28px 1fr; gap: var(--space-3); animation: rise 360ms cubic-bezier(0.16, 1, 0.3, 1); }
.walk-step .n { width: 28px; height: 28px; border-radius: 999px; background: var(--color-text); color: var(--color-bg); font-size: 13px; font-weight: 600; display: grid; place-items: center; }
.walk-step .q { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); font-weight: 600; }
.walk-step .a { font-size: var(--text-sm); }
.walk-step .came { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }
.walk-step .came span { font-family: var(--font-apl); font-size: 22px; width: 36px; height: 38px; display: grid; place-items: center; border-radius: var(--radius-sm); border: 1px solid rgba(0,0,0,0.3); }
.walk-step .thought { font-family: var(--font-display); font-size: var(--text-lg); font-style: normal; }
@keyframes rise { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* field */
.rel { margin-bottom: var(--space-10); }
.rel h2 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; }
.rel > p { color: var(--color-text-muted); margin: var(--space-1) 0 var(--space-4); }
.rel-items { display: grid; grid-template-columns: repeat(auto-fill, minmax(min(100%, 300px), 1fr)); gap: var(--space-3); }
.rel-item { background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); padding: var(--space-4); display: flex; flex-direction: column; gap: var(--space-3); }
.rel-item p { font-size: var(--text-sm); }
.duals { display: flex; gap: var(--space-2); flex-wrap: wrap; }
.dual { width: 52px; border-radius: var(--radius-sm); border: 1.5px solid var(--color-text); background: var(--color-surface); display: flex; flex-direction: column; overflow: hidden; }
.dual:hover { transform: translateY(-1px); box-shadow: var(--shadow-md); }
.dual .g { font-size: 26px; height: 42px; display: grid; place-items: center; color: var(--color-text); }
.dual .bar { display: grid; grid-template-columns: 1fr 1fr; height: 12px; border-top: 1.5px solid var(--color-text); }
.dual .bar i { display: block; }
.dual .bar i + i { border-left: 1.5px solid var(--color-text); }
.dual .bar i.none { background: repeating-linear-gradient(90deg, transparent 0 3px, var(--color-text-faint) 3px 4px); }
.dual .bar i.multi { background: linear-gradient(90deg, var(--a) 50%, var(--b) 50%); }

/* notebook */
.nb { display: grid; grid-template-columns: minmax(0, 1fr) minmax(0, 1fr); gap: var(--space-6); align-items: start; }
.panel { background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); display: flex; flex-direction: column; gap: var(--space-4); }
.panel h2 { font-size: var(--text-lg); font-weight: 600; }
.field label { display: block; font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); margin-bottom: var(--space-2); }
.field input, .field textarea, .field select { width: 100%; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: var(--space-2) var(--space-3); min-height: 44px; font-size: var(--text-base); }
.field textarea { min-height: 72px; resize: vertical; }
.field textarea.apl-in { font-family: var(--font-apl); font-size: 20px; }
.field input:focus, .field textarea:focus, .field select:focus { outline: 2px solid var(--color-text); outline-offset: 1px; }
.glyphbar { display: flex; flex-wrap: wrap; gap: 2px; margin-top: var(--space-2); }
.glyphbar button { font-family: var(--font-apl); font-size: 19px; width: 34px; height: 36px; border-radius: var(--radius-sm); background: var(--color-surface-offset); }
.glyphbar button:hover { background: var(--color-border); }
.mini { display: flex; flex-direction: column; gap: 4px; }
.mini-band { display: grid; grid-template-columns: 92px 1fr 1fr; border-radius: var(--radius-sm); overflow: hidden; border: 1.5px solid var(--p-black); position: relative; }
.mini-band.split::after { content: ''; position: absolute; top: 0; bottom: 0; left: calc(92px + (100% - 92px) / 2); width: 2px; background: var(--p-black); }
.mini-band .ml { font-size: 11px; font-weight: 600; letter-spacing: 0.06em; text-transform: uppercase; padding: 0 var(--space-2); display: flex; align-items: center; }
.mini-band .mc { display: flex; flex-wrap: wrap; gap: 0; justify-content: center; padding: 2px; }
.mini-band .mc button { font-family: var(--font-apl); font-size: 20px; width: 34px; height: 40px; color: inherit; border-radius: 4px; }
.mini-band .mc button:hover { background: color-mix(in oklab, currentColor 18%, transparent); }
.nb-steps { display: flex; flex-direction: column; gap: var(--space-2); }
.nb-step { display: grid; grid-template-columns: 112px 1fr auto; gap: var(--space-3); align-items: center; }
.nb-step input { min-height: 40px; }
.nb-step .rm { font-size: var(--text-xs); text-decoration: underline; color: var(--color-text-muted); min-height: 40px; padding: 0 var(--space-2); }
.empty-state { color: var(--color-text-muted); font-size: var(--text-sm); border: 1.5px dashed var(--color-border); border-radius: var(--radius-md); padding: var(--space-5); text-align: center; }
.export { font-family: var(--font-apl); font-size: 14px; width: 100%; min-height: 220px; background: var(--color-surface); border: 1px solid var(--color-border); border-radius: var(--radius-sm); padding: var(--space-3); white-space: pre; }

/* method */
.prose { max-width: 820px; }
.prose h2 { font-family: var(--font-display); font-size: var(--text-xl); font-weight: 700; margin: var(--space-10) 0 var(--space-3); }
.prose h2:first-child { margin-top: 0; }
.prose p, .prose li { margin-bottom: var(--space-3); }
.prose ol, .prose ul { padding-left: 1.4em; }
.prose table { margin: var(--space-4) 0; font-size: var(--text-sm); }
.prose th, .prose td { text-align: left; padding: var(--space-2) var(--space-3); border-bottom: 1px solid var(--color-divider); vertical-align: top; }
.prose th { font-size: var(--text-xs); text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); }
.prose .apl { font-size: 1.15em; }

.foot { border-top: 1px solid var(--color-divider); padding: var(--space-6) clamp(var(--space-4), 4vw, var(--space-12)); color: var(--color-text-muted); font-size: var(--text-sm); }
.foot a { color: var(--color-text); }

.toast { position: fixed; bottom: var(--space-6); left: 50%; transform: translate(-50%, 20px); background: var(--color-text); color: var(--color-bg); padding: var(--space-3) var(--space-5); border-radius: 999px; font-size: var(--text-sm); opacity: 0; pointer-events: none; transition: opacity 200ms, transform 200ms; z-index: 60; }
.toast.show { opacity: 1; transform: translate(-50%, 0); }

/* responsive */
@media (max-width: 1100px) {
  .palette-wrap { grid-template-columns: 1fr; }
  .detail { position: static; }
  .nb { grid-template-columns: 1fr; }
}
@media (max-width: 720px) {
  .top { flex-wrap: wrap; gap: var(--space-3); }
  .tabs { order: 3; width: 100%; margin-left: 0; overflow-x: auto; flex-wrap: nowrap; }
  .theme { margin-left: auto; }
  .band, .sides-head { grid-template-columns: 1fr 1fr; }
  .band-label { grid-column: 1 / 3; flex-direction: row; align-items: baseline; gap: var(--space-2); padding: var(--space-2) var(--space-3); border-bottom: 1px solid color-mix(in oklab, currentColor 25%, transparent); }
  .band.split::after { left: 50%; top: 40px; }
  .cell.wide { grid-column: 1 / 3; }
  .sides-head > div:first-child { display: none; }
  .chip { width: 40px; height: 46px; font-size: 26px; }
  .cell { padding: var(--space-2); min-height: 64px; }
  .nb-step { grid-template-columns: 100px 1fr; }
  .nb-step .rm { grid-column: 2; justify-self: start; }
  .mini-band { grid-template-columns: 1fr 1fr; }
  .mini-band .ml { grid-column: 1 / 3; padding: 4px 8px; }
  .mini-band.split::after { left: 50%; top: 24px; }
}

/* fixes */
[hidden] { display: none !important; }
.field textarea.export { min-height: 240px; font-family: var(--font-apl); font-size: 14px; }
.dual .bar i.none { background: repeating-linear-gradient(45deg, transparent 0 3px, var(--color-text-muted) 3px 4.5px); }
.nb-step { grid-template-columns: 52px 1fr auto; }
.nb-step .mini-g { font-family: var(--font-apl); font-size: 24px; width: 48px; height: 48px; border-radius: var(--radius-sm); border: 2px solid var(--p-black); display: grid; place-items: center; position: relative; }
.nb-step .mini-g small { position: absolute; bottom: 1px; font-family: var(--font-body); font-size: 9px; font-weight: 600; letter-spacing: 0.04em; }
.walk-step .thought { font-weight: 500; font-size: var(--text-xl); line-height: 1.2; }
@media (max-width: 720px) { .nb-step { grid-template-columns: 52px 1fr; } }
.d-close { display: none; }
@media (max-width: 1100px) {
  .detail { position: fixed; left: 8px; right: 8px; bottom: 8px; top: auto; max-height: 58vh; overflow-y: auto; z-index: 30; box-shadow: 0 -8px 30px oklch(0.2 0.02 80 / 0.25); min-height: 0; }
  .detail.idle { display: none; }
  .d-close { display: inline-flex; position: sticky; top: 0; float: right; margin: -8px -8px 0 0; width: 40px; height: 40px; border-radius: 999px; align-items: center; justify-content: center; background: var(--color-surface-offset); font-size: 20px; z-index: 2; }
}

/* ---------- harvest ---------- */
.hv-grid { display: grid; grid-template-columns: minmax(0, 5fr) minmax(0, 6fr); gap: var(--space-6); align-items: start; }
.hv-note { color: var(--color-text-muted); font-size: var(--text-sm); }
.consent { display: flex; gap: var(--space-3); align-items: flex-start; font-size: var(--text-sm); line-height: 1.4; cursor: pointer; }
.consent input { width: 22px; height: 22px; flex: none; margin-top: 1px; accent-color: var(--color-text); }
.btn[disabled] { opacity: 0.6; pointer-events: none; }
.btn.danger { color: var(--p-red); border-color: color-mix(in oklab, var(--p-red) 45%, var(--color-border)); }
[data-theme='dark'] .btn.danger { color: #ff8a8a; }
.hv-code { font-family: var(--font-apl); font-size: 20px; white-space: pre-wrap; word-break: break-word; background: var(--color-surface-offset); border-radius: var(--radius-sm); padding: var(--space-3) var(--space-4); }
.hv-code.res { font-size: 17px; color: var(--color-text-muted); }
.hv-thought { font-size: var(--text-base); font-style: normal; border-left: 3px solid var(--color-text); padding-left: var(--space-3); }
.hv-meta { font-size: var(--text-xs); color: var(--color-text-muted); }
.hv-warn { font-size: var(--text-sm); color: var(--color-text-muted); padding-left: 1.2em; }
.hv-warn li { margin-bottom: 4px; }
.d-label { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); }

.barcode { display: flex; flex-wrap: wrap; gap: 3px; }
.bc { position: relative; width: 30px; height: 40px; border: 1.5px solid var(--p-black); border-radius: 4px; display: flex; flex-direction: column; align-items: center; justify-content: space-between; padding: 2px 0 0; overflow: hidden; font: inherit; }
.bc .g { font-family: var(--font-apl); font-size: 18px; line-height: 1.25; color: inherit; }
.bc .sd { display: grid; grid-template-columns: 1fr 1fr; width: 100%; height: 7px; border-top: 1.5px solid currentColor; }
.bc .sd i { display: block; }
.bc .sd i + i { border-left: 1.5px solid currentColor; }
.bc.L .sd i:first-child, .bc.R .sd i:last-child { background: currentColor; }
.bc.B .sd, .bc.C .sd, .bc.nm .sd { visibility: hidden; }
.bc.unsure { border-style: dashed; border-width: 2px; }
.bc.unsure::after { content: '?'; position: absolute; top: -1px; right: 2px; font-size: 10px; font-weight: 700; }
.bc.m-canvas, .bc.m-creator { background: var(--color-surface); color: var(--color-text); border-color: var(--color-text-muted); }
.barcode.big .bc { width: 42px; height: 56px; }
.barcode.big .bc .g { font-size: 26px; }
.barcode.big .bc .sd { height: 10px; }
button.bc { cursor: pointer; }
button.bc:hover { transform: translateY(-2px); box-shadow: var(--shadow-md); }
button.bc:focus-visible { outline: 3px solid var(--color-text); outline-offset: 2px; }
.bc-empty { color: var(--color-text-faint); font-size: var(--text-sm); }
.profile { display: flex; height: 10px; border-radius: 999px; overflow: hidden; border: 1.5px solid var(--p-black); max-width: 420px; }
.profile i { display: block; }
.profile i + i { border-left: 1.5px solid var(--p-black); }
.bc-legend { display: flex; flex-wrap: wrap; gap: var(--space-2) var(--space-5); font-size: var(--text-xs); color: var(--color-text-muted); }
.bc-legend > span { display: inline-flex; gap: var(--space-2); align-items: center; }
.sd.demo { display: inline-grid; grid-template-columns: 1fr 1fr; width: 26px; height: 10px; border: 1.5px solid var(--color-text); border-radius: 2px; }
.sd.demo i + i { border-left: 1.5px solid var(--color-text); }
.sd.demo.L i:first-child, .sd.demo.R i:last-child { background: var(--color-text); }
.bc-uns { display: inline-block; width: 16px; height: 16px; border: 2px dashed var(--color-text); border-radius: 3px; }

.hv-keeper { margin: var(--space-6) 0; }
.keeper summary { cursor: pointer; font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted); min-height: 40px; display: inline-flex; align-items: center; }
.keeper-form { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: var(--space-3) var(--space-4); max-width: 720px; margin-top: var(--space-3); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-5); }
.keeper-form .card-actions, .keeper-form .hv-note { grid-column: 1 / -1; }
.keeper-bar { display: flex; gap: var(--space-4); align-items: center; flex-wrap: wrap; font-size: var(--text-sm); }

.hv-head { margin-top: var(--space-10); }
.hv-h { font-family: var(--font-display); font-size: var(--text-2xl); font-weight: 700; line-height: 1.05; }
.hv-tools { display: flex; gap: var(--space-4); align-items: flex-start; justify-content: space-between; flex-wrap: wrap; margin-bottom: var(--space-6); }
.hv-filter { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.pill { font-size: var(--text-sm); padding: var(--space-2) var(--space-4); border-radius: 999px; border: 1px solid var(--color-border); background: var(--color-surface); min-height: 40px; }
.pill small { color: var(--color-text-muted); margin-left: 4px; }
.pill.on { background: var(--color-text); color: var(--color-bg); border-color: var(--color-text); }
.pill.on small { color: inherit; opacity: 0.75; }
.addp summary { list-style: none; cursor: pointer; }
.addp summary::-webkit-details-marker { display: none; }
.addp-form { display: flex; flex-direction: column; gap: var(--space-3); margin-top: var(--space-3); width: min(420px, 90vw); background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-lg); padding: var(--space-4); }
.hv-group { margin-bottom: var(--space-10); }
.hv-group h3 { font-size: var(--text-lg); font-weight: 600; margin-bottom: var(--space-3); }
.strips { display: flex; flex-direction: column; gap: var(--space-2); }
.strip { background: var(--color-surface-2); border: 1px solid var(--color-border); border-radius: var(--radius-md); }
.strip.hid { opacity: 0.55; }
.strip-head { width: 100%; display: grid; grid-template-columns: 170px minmax(0, 1fr) 200px; gap: var(--space-4); align-items: center; padding: var(--space-3) var(--space-4); text-align: left; border-radius: var(--radius-md); }
.strip-head:hover { background: var(--color-surface-offset); }
.strip-head .who { font-weight: 500; font-size: var(--text-sm); }
.strip-head em { font-style: normal; font-size: 11px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; padding: 1px 6px; border-radius: 999px; border: 1px solid currentColor; margin-left: 4px; }
.strip-head em.new { color: var(--p-red); }
[data-theme='dark'] .strip-head em.new { color: #ff8a8a; }
.strip-body { display: flex; flex-direction: column; gap: var(--space-3); padding: 0 var(--space-4) var(--space-4); }
.hv-sum { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); line-height: 1.9; }
.hv-sum b { color: var(--color-text); }
.sw { display: inline-block; width: 14px; height: 14px; border: 1.5px solid var(--p-black); border-radius: 3px; vertical-align: -2px; margin: 0 4px 0 6px; }
.padmin { margin-top: var(--space-6); font-size: var(--text-sm); }
.padmin summary { cursor: pointer; color: var(--color-text-muted); min-height: 40px; display: inline-flex; align-items: center; }
.padmin ul { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); margin-top: var(--space-2); }
.padmin li { display: flex; gap: var(--space-3); align-items: center; justify-content: space-between; border-bottom: 1px solid var(--color-divider); padding-bottom: var(--space-2); }

.nb-cloud { margin-top: var(--space-6); }
.nb-cloud-head { display: flex; justify-content: space-between; align-items: center; gap: var(--space-3); flex-wrap: wrap; }
.pages { list-style: none; display: flex; flex-direction: column; gap: var(--space-2); }
.pages li { display: flex; gap: var(--space-2); align-items: center; }
.pages .pg { flex: 1; display: grid; grid-template-columns: minmax(0, 2fr) minmax(0, 2fr) auto; gap: var(--space-3); text-align: left; padding: var(--space-3); border: 1px solid var(--color-border); border-radius: var(--radius-sm); background: var(--color-surface); align-items: center; }
.pages .pg:hover { background: var(--color-surface-offset); }
.pages .pg .apl { font-family: var(--font-apl); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.pages .pg small { color: var(--color-text-muted); }
.pages .rm { font-size: var(--text-xs); text-decoration: underline; color: var(--color-text-muted); min-height: 40px; padding: 0 var(--space-2); }

@media (max-width: 1100px) { .hv-grid { grid-template-columns: 1fr; } }
@media (max-width: 720px) {
  .strip-head { grid-template-columns: 1fr; gap: var(--space-2); }
  .keeper-form { grid-template-columns: 1fr; }
  .pages .pg { grid-template-columns: 1fr; gap: 2px; }
  .barcode.big .bc { width: 36px; height: 50px; }
  .barcode.big .bc .g { font-size: 22px; }
}
.stepb.C .g { left: 50%; }

/* ---------- harvest v2: keeper's conversation notebook ---------- */
.hv-intro { max-width: 760px; }
.hv-intro p { color: var(--color-text-muted); }
.hv-intro .keeper-form { border: 0; padding: 0; background: none; margin-top: 0; }
#harvest > .keeper-bar { margin-bottom: var(--space-5); }
.hv-sticky { position: sticky; top: 88px; max-height: calc(100vh - 104px); overflow-y: auto; }
.hv-fs { border: 0; padding: 0; margin: 0; display: flex; flex-direction: column; gap: var(--space-3); }
.hv-fs legend { font-size: var(--text-xs); font-weight: 600; text-transform: uppercase; letter-spacing: 0.08em; color: var(--color-text-muted); margin-bottom: var(--space-2); padding: 0; }
.opts { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.opt { display: inline-flex; align-items: center; gap: var(--space-2); min-height: 44px; padding: 0 var(--space-4); border: 1.5px solid var(--color-border); border-radius: 999px; cursor: pointer; font-size: var(--text-sm); font-weight: 500; }
.opt input { width: 18px; height: 18px; accent-color: var(--color-text); }
.opt.on { border-color: var(--color-text); background: var(--color-surface-offset); }
.hv-two { display: grid; grid-template-columns: 1fr 1fr; gap: var(--space-4); }
.photos { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.ph { position: relative; width: 112px; height: 84px; border-radius: var(--radius-sm); overflow: hidden; border: 1px solid var(--color-border); background: var(--color-surface-offset); display: block; }
.ph img { width: 100%; height: 100%; object-fit: cover; display: block; }
.strip-body .ph { width: 220px; height: 160px; }
.ph-x { position: absolute; top: 4px; right: 4px; width: 30px; height: 30px; border-radius: 999px; background: rgba(0,0,0,.72); color: #fff; font-size: 18px; line-height: 1; display: grid; place-items: center; }
.ph-add { width: 112px; height: 84px; border: 1.5px dashed var(--color-text-muted); border-radius: var(--radius-sm); display: grid; place-items: center; cursor: pointer; font-size: var(--text-sm); font-weight: 500; color: var(--color-text-muted); text-align: center; }
.ph-add:hover { border-color: var(--color-text); color: var(--color-text); }
.ph-add input { position: absolute; width: 1px; height: 1px; opacity: 0; }
.gb summary { cursor: pointer; font-size: var(--text-sm); color: var(--color-text-muted); min-height: 36px; display: inline-flex; align-items: center; margin-top: var(--space-2); }
.qchips { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.qchip { text-align: left; font-size: var(--text-sm); line-height: 1.3; padding: var(--space-2) var(--space-3); border-radius: var(--radius-md); border: 1px solid var(--color-border); background: var(--color-surface); min-height: 40px; max-width: 100%; }
.qchip:hover { border-color: var(--color-text); }
.qchip::before { content: '＋ '; color: var(--color-text-muted); }
.qchip.own { font-weight: 600; }
.qa { display: flex; flex-direction: column; gap: var(--space-4); }
.qa-item { border-left: 3px solid var(--color-text); padding-left: var(--space-3); display: flex; flex-direction: column; gap: var(--space-2); }
.qa-item .rm { align-self: flex-start; font-size: var(--text-xs); text-decoration: underline; color: var(--color-text-muted); min-height: 32px; }
.told { display: flex; flex-wrap: wrap; gap: 3px; align-items: center; min-height: 44px; }
.told .hv-note { margin-left: var(--space-2); font-size: var(--text-xs); }
.told .bc { width: 36px; height: 48px; cursor: pointer; }
.told .bc .g { font-size: 22px; }
.strip-head .who { display: flex; flex-direction: column; gap: 2px; }
.strip-head .who small { color: var(--color-text-muted); font-size: var(--text-xs); font-weight: 400; }
.strip-head .who em { align-self: flex-start; margin-left: 0; }
.strip-head .lines { display: flex; flex-direction: column; gap: var(--space-2); min-width: 0; }
.told-line { display: flex; align-items: center; gap: var(--space-2); }
.told-line small { font-size: 10px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.06em; color: var(--color-text-muted); width: 52px; flex: none; }
.told-line .bc { width: 22px; height: 30px; }
.told-line .bc .g { font-size: 14px; }
.told-line .bc .sd { height: 5px; }
.conv { display: flex; flex-direction: column; gap: var(--space-2); }
.conv dt { font-weight: 600; font-size: var(--text-sm); }
.conv dd { margin: 0 0 var(--space-2); padding-left: var(--space-3); border-left: 3px solid var(--color-border); }
@media (max-width: 1100px) { .hv-sticky { position: static; max-height: none; } }
@media (max-width: 720px) { .hv-two { grid-template-columns: 1fr; } .strip-body .ph { width: 100%; height: 200px; } }
/* backtick keyboard map */
.keymap { margin-top: var(--space-2); font-size: var(--text-sm); color: var(--color-text-muted); }
.keymap summary { cursor: pointer; min-height: 36px; display: flex; align-items: center; flex-wrap: wrap; gap: 4px; }
.keymap .apl { font-family: var(--font-apl); color: var(--color-text); font-size: 1.1em; }
.km { margin-top: var(--space-2); display: flex; flex-direction: column; gap: 3px; overflow-x: auto; padding-bottom: 4px; }
.km-row { display: flex; gap: 3px; }
.km-row:nth-child(2) { padding-left: 14px; } .km-row:nth-child(3) { padding-left: 28px; } .km-row:nth-child(4) { padding-left: 42px; }
.km-key { position: relative; width: 40px; height: 46px; flex: none; border: 1px solid var(--color-border); border-radius: 5px; background: var(--color-surface); }
.km-key b { position: absolute; left: 5px; bottom: 3px; font-size: 18px; font-weight: 400; }
.km-key i { position: absolute; left: 5px; top: 1px; font-style: normal; font-size: 14px; color: var(--color-text-muted) !important; }
.km-key small { position: absolute; right: 4px; top: 2px; font-size: 10px; color: var(--color-text-faint); }
.keymap p { margin-top: var(--space-2); font-size: var(--text-xs); }
.kb-hint { margin-top: var(--space-3); font-size: var(--text-sm); color: var(--color-text-muted); }
.kb-hint .apl { font-family: var(--font-apl); color: var(--color-text); font-size: 1.1em; }
.keymap summary { text-decoration: underline; color: var(--color-text); }
.km-key { width: 44px; height: 50px; }
.km-key b { left: 6px; bottom: 4px; font-size: 19px; }
.km-key i { left: 6px; top: 2px; font-size: 15px; }
.km-key small { right: 5px; top: auto; bottom: 3px; font-size: 10px; }
.hv-fn { border: 2px solid var(--color-border); border-radius: 8px; padding: var(--space-3); margin-bottom: var(--space-4); }
.hv-fn p { font-size: var(--text-sm); margin: var(--space-1) 0 var(--space-2); }
.hv-seg { display: flex; flex-wrap: wrap; gap: var(--space-2); }
.hv-seg .apl { font-family: var(--font-apl); }
.hv-export-note { font-size: var(--text-sm); color: var(--color-text-muted); margin-top: var(--space-1); }