/* Barmij — design language: colors encode ROLES, never decoration.
   blue = Python's words · lavender = names you invent · amber = values · rose = effects */
:root {
  /* Palette retuned to the Okabe-Ito colorblind-safe range (DESIGN_CHARTER.md §III.9).
     Text-on-tint colors are darkened variants verified against WCAG AA (4.5:1). */
  --ink: #2e3a46;
  --muted: #5d6a78;
  --bg: #f6f7fa;
  --card: #ffffff;
  --panel: #f1f3f7;
  --line: #e2e6ee;
  --blue: #0072B2;        /* keywords / Python's words (OI blue) */
  --blue-soft: #d9e8f5;
  --blue-text: #005E94;
  --lav: #CC79A7;         /* names you invent (OI reddish purple) */
  --lav-soft: #f4e1ec;
  --lav-text: #8E4A72;
  --lav-deep: #8E4A72;    /* button-grade (white text passes AA) */
  --amber: #E69F00;       /* values (OI orange) */
  --amber-soft: #f9ecd2;
  --amber-text: #8F6400;
  --rose: #D55E00;        /* effects / output (OI vermillion) */
  --rose-soft: #f8e0d2;
  --rose-text: #A84300;
  --green: #007A59;       /* actions (darkened OI bluish-green; white text passes AA) */
  --radius: 16px;
  --shadow: 0 1px 2px rgba(30, 41, 59, .05), 0 10px 28px rgba(30, 41, 59, .08);
  --hair: 1px solid rgba(46, 58, 70, .07);
}

/* Charter §III.8 — color is never the only channel: each role also differs by border style
   (keyword solid · name dotted · value dashed · effect double). Survives grayscale printing. */

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
::selection { background: var(--blue-soft); }
:focus-visible { outline: 3px solid var(--blue); outline-offset: 2px; border-radius: 6px; }
html, body { height: 100%; }
body {
  margin: 0; color: var(--ink);
  background: linear-gradient(180deg, #fafbfe 0%, #f3f5fa 340px, var(--bg) 100%);
  font: 16px/1.55 "Nunito", "Segoe UI", system-ui, sans-serif;
  -webkit-font-smoothing: antialiased; text-rendering: optimizeLegibility;
  min-height: 100vh; display: flex; flex-direction: column; /* footer rests at the bottom, never mid-void */
}
::-webkit-scrollbar { width: 11px; height: 11px; }
::-webkit-scrollbar-thumb { background: #ccd4df; border-radius: 8px; border: 3px solid #f3f5fa; }
::-webkit-scrollbar-thumb:hover { background: #b7c1cf; }
::-webkit-scrollbar-track { background: transparent; }

/* ---------- header ---------- */
header {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 24px; background: rgba(255, 255, 255, .92); backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--line);
  position: sticky; top: 0; z-index: 40;
}
.logo .mark { display: block; }
.logo { gap: 10px; align-items: center; }
/* the signature ribbon: the four role colors, in teaching order — the design language itself */
header::after {
  content: ""; position: absolute; inset-inline: 0; bottom: -1px; height: 3px;
  background: linear-gradient(90deg,
    var(--blue) 0 25%, var(--lav) 25% 50%, var(--amber) 50% 75%, var(--rose) 75% 100%);
  opacity: .5;
}
.logo { display: flex; align-items: baseline; gap: 8px; }
.logo .en { font-size: 26px; font-weight: 900; color: var(--blue); letter-spacing: .3px; }
.spacer { flex: 1; }
.langbtn {
  border: 1.5px solid var(--line); background: var(--card); border-radius: 999px;
  padding: 5px 14px; font: inherit; font-weight: 700; cursor: pointer; color: var(--muted);
}

/* ---------- layout: ONE calm column, in reading order (no scatter) ---------- */
.layout {
  display: block; max-width: 860px; margin: 0 auto; padding: 18px 20px 90px;
  width: 100%; flex: 1 0 auto;
}
.lesson { margin-bottom: 14px; }
.crumb {
  display: inline-block; font-size: 12.5px; font-weight: 800; letter-spacing: .2px;
  background: var(--blue-soft); color: var(--blue-text);
  border: 1px solid rgba(0, 114, 178, .18);
  border-radius: 999px; padding: 4px 15px; margin-bottom: 12px;
}

/* ---------- journey drawer (worlds & bank live here, out of the way) ---------- */
.side {
  position: fixed; top: 0; inset-inline-start: 0; height: 100%; width: 310px;
  background: var(--card); padding: 18px; overflow-y: auto; z-index: 60;
  box-shadow: 8px 0 30px rgba(46,58,70,.18);
  transform: translateX(-108%); transition: transform .22s ease;
}
body.drawer-open .side { transform: none; }
#drawerOverlay {
  position: fixed; inset: 0; background: rgba(46,58,70,.35); z-index: 55; display: none;
}
body.drawer-open #drawerOverlay { display: block; }
.world-title { font-weight: 900; font-size: 15px; margin-bottom: 4px;
  display: flex; justify-content: space-between; align-items: baseline; gap: 8px; }
.wprog { font-size: 11px; font-weight: 800; color: var(--muted); background: var(--panel);
  border-radius: 999px; padding: 1px 9px; flex: none; }
.wprog.full { color: #1f6b45; background: #e2f3ea; }
.world-sub { color: var(--muted); font-size: 12.5px; margin-bottom: 12px; }
.lesson-item {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 10px; border-radius: 10px; cursor: pointer; font-weight: 700; font-size: 14px;
  color: var(--ink);
}
.lesson-item:hover { background: var(--panel); }
.lesson-item.active { background: var(--blue-soft); color: var(--blue-text); }
.lesson-item.locked { color: #b6bfca; cursor: not-allowed; }
.lesson-item .num {
  width: 26px; height: 26px; border-radius: 50%; background: var(--panel);
  display: grid; place-items: center; font-size: 13px; flex: none;
}
.lesson-item.active .num { background: var(--blue); color: #fff; }
.lesson-item .stars { margin-inline-start: auto; font-size: 12px; letter-spacing: 1px; color: var(--amber-text); }

/* ---------- lesson panel ---------- */
.lesson { background: var(--card); border: var(--hair); border-radius: var(--radius); box-shadow: var(--shadow); padding: 26px 28px; }
.lesson h1 { font-size: 28px; margin: 2px 0 3px; font-weight: 900; letter-spacing: -.4px; }
.lesson .sub { color: var(--muted); font-size: 14px; margin-bottom: 14px; }
.lesson p { margin: 10px 0; }
.lesson figure { margin: 16px 0; background: #f7f9fd; border: 1px solid rgba(46, 58, 70, .05); border-radius: 14px; padding: 16px 14px; }
.lesson figure svg { display: block; max-width: 100%; height: auto; margin: 0 auto; }
.lesson figcaption { text-align: center; color: var(--muted); font-size: 12.5px; margin-top: 6px; }

code.k, code.v, code.a, code.r {
  padding: 1px 7px; border-radius: 7px; font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 14px; font-weight: 700;
  display: inline-block; white-space: nowrap; /* a chip never breaks in half across lines */
  margin: 2px 1px; vertical-align: baseline;
}
/* role chips: color + border style (redundant channel, charter §III.8) */
code.k { background: var(--blue-soft); color: var(--blue-text); border: 1.5px solid var(--blue); }
code.v { background: var(--lav-soft); color: var(--lav-text); border: 1.5px dotted var(--lav); }
code.a { background: var(--amber-soft); color: var(--amber-text); border: 1.5px dashed var(--amber); }
code.r { background: var(--rose-soft); color: var(--rose-text); border: 3px double var(--rose); }

.legend { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 14px; }
.legend span { font-size: 11.5px; padding: 2px 9px; border-radius: 999px; font-weight: 700; }

.task {
  border-inline-start: 4px solid var(--amber); background: var(--amber-soft);
  border-radius: 0 12px 12px 0; padding: 12px 14px; margin-top: 16px; font-weight: 700;
}
/* guided missions (B59): one step at a time, earned lines collect as small green checks */
.mhead { display: flex; align-items: baseline; gap: 10px; margin-bottom: 6px; }
.mcount { font-size: 12px; font-weight: 800; color: var(--amber-text); background: #fff;
  border-radius: 999px; padding: 2px 10px; }
.mstep.done { font-size: 13.5px; color: #1f6b45; font-weight: 700; margin: 3px 0; }
.mstep.now { font-size: 15.5px; font-weight: 800; margin-top: 6px; animation: stepIn .3s ease; }
@keyframes stepIn { from { opacity: 0; transform: translateX(-8px); } }

/* ---------- workbench ---------- */
.bench { display: flex; flex-direction: column; gap: 14px; }
.editor-card { background: var(--card); border: var(--hair); border-radius: var(--radius); box-shadow: var(--shadow); overflow: hidden; }
.editor-card:focus-within { box-shadow: 0 1px 2px rgba(30,41,59,.05), 0 10px 28px rgba(30,41,59,.08), 0 0 0 3px var(--blue-soft); }
.editor-head {
  display: flex; align-items: center; gap: 10px; padding: 11px 14px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(#ffffff, #fbfcfe);
}
.editor-head .title { font-weight: 800; font-size: 14px; color: var(--muted); }
.btn {
  border: 0; border-radius: 10px; padding: 9px 20px; font: inherit; font-weight: 800;
  cursor: pointer;
  transition: transform .15s ease, box-shadow .15s ease, filter .15s ease, background .15s ease;
}
.btn:hover:not(:disabled) { transform: translateY(-1px); box-shadow: 0 4px 12px rgba(30, 41, 59, .12); }
.btn:active:not(:disabled) { transform: translateY(0); box-shadow: none; }
.btn.run { background: var(--green); color: #fff; font-size: 16.5px; padding: 10px 24px; }
.btn.run:hover:not(:disabled) { filter: brightness(1.06); box-shadow: 0 4px 14px rgba(0, 122, 89, .32); }
.btn.ghost { background: var(--panel); color: var(--muted); }
.btn.ghost:hover:not(:disabled) { color: var(--ink); }
.btn:disabled { opacity: .55; cursor: default; }

.CodeMirror {
  height: 230px; font-family: "JetBrains Mono", Consolas, monospace;
  font-size: 15.5px; line-height: 1.7; padding: 8px 6px;
  background: #fcfdff;
}
.CodeMirror-gutters { background: #f6f8fc; border-right: 1px solid #eceff5; }
.CodeMirror-linenumber { color: #a9b3c1; }
/* role-colored syntax (same roles as the figures; keywords also BOLD — redundant channel) */
.cm-s-barmij .cm-keyword { color: var(--blue-text); font-weight: 800; }
.cm-s-barmij .cm-builtin { color: var(--blue-text); font-weight: 700; }
.cm-s-barmij .cm-variable { color: var(--lav-text); }
.cm-s-barmij .cm-def { color: var(--lav-text); font-weight: 700; }
.cm-s-barmij .cm-number { color: var(--amber-text); font-weight: 700; }
.cm-s-barmij .cm-string { color: var(--amber-text); }
.cm-s-barmij .cm-operator { color: #2e3a46; }
.cm-s-barmij .cm-comment { color: #7a8694; font-style: italic; }

.canvas-card {
  background: var(--card); border: var(--hair); border-radius: var(--radius); box-shadow: var(--shadow);
  padding: 12px; position: relative;
}
#world { display: block; width: 100%; border-radius: 10px;
  background-image:
    radial-gradient(circle, #e3e9f2 1px, transparent 1.5px),
    radial-gradient(circle at 30% 20%, #ffffff 0%, #f3f6fb 100%);
  background-size: 26px 26px, 100% 100%; }
#loading {
  position: absolute; inset: 12px; display: grid; place-items: center;
  background: rgba(246,247,250,.92); border-radius: 10px; font-weight: 800; color: var(--muted);
}
.outputs { min-height: 34px; padding: 4px 2px; display: flex; flex-direction: column; gap: 6px; }
.bubble {
  align-self: flex-start; background: var(--rose-soft); color: var(--rose-text);
  border-radius: 14px 14px 14px 4px; padding: 7px 14px; font-weight: 700; max-width: 100%;
  overflow-wrap: anywhere; font-family: "JetBrains Mono", Consolas, monospace; font-size: 14.5px;
}
.feedback { border-radius: 0 12px 12px 0; padding: 12px 16px; font-weight: 700; display: none; }
.feedback.ok { display: block; background: #e2f3ea; color: #1f6b45; border-inline-start: 4px solid var(--green); }
.feedback.err { display: block; background: var(--rose-soft); color: var(--rose-text); border-inline-start: 4px solid var(--rose); }
.feedback .real { font-weight: 400; font-size: 12.5px; color: #8a4a28; margin-top: 6px; }
.feedback details { margin-top: 8px; }
.feedback pre { white-space: pre-wrap; font-size: 11.5px; margin: 6px 0 0; }
.nextbar { display: none; text-align: center; }
.nextbar .btn { background: var(--blue); color: #fff; font-size: 16px; padding: 11px 26px; }
.nextbar .btn.locked { background: var(--panel); color: var(--muted); }
#lessonPanel.lesson-enter { animation: lessonIn .3s ease; }
@keyframes lessonIn { from { opacity: 0; transform: translateY(8px); } }
.hintbox { display: none; background: var(--lav-soft); color: var(--lav-text); border-radius: 12px; padding: 12px 16px; font-size: 15px; font-weight: 700; border-inline-start: 4px solid var(--lav); }

/* ---------- beats: the page writes itself, one idea at a time (charter §I) ---------- */
.beat { display: none; margin: 15px 0; font-size: 18px; line-height: 1.65; }

/* the build stage: code that constructs itself, narrated (DECISIONS B22) */
.build {
  background: var(--panel); border-radius: 14px; padding: 18px 20px; margin: 12px 0;
}
.build-code {
  font-family: "JetBrains Mono", Consolas, monospace; font-size: 23px; font-weight: 700;
  min-height: 36px; letter-spacing: .5px;
}
.build-code .r-kw { color: var(--blue-text); font-weight: 800; }
.build-code .r-name { color: var(--lav-text); }
.build-code .r-val { color: var(--amber-text); }
.build-code .r-ink { color: #2e3a46; }
.build-cap { margin: 0 0 10px; font-size: 15.5px; font-weight: 700; color: var(--lav-text); min-height: 24px; }
.build-effect { display: none; align-items: center; gap: 12px; margin-top: 14px; }
.build-effect .arrow { color: var(--muted); font-size: 24px; }
.build-effect .chip {
  background: var(--rose-soft); border: 3px double var(--rose); color: var(--rose-text);
  border-radius: 12px; padding: 6px 18px; font-family: "JetBrains Mono", monospace;
  font-size: 19px; font-weight: 700; animation: pop .25s ease-out;
}
.build-again { margin-top: 12px; font-family: "Nunito", sans-serif; }
.beat.on { display: block; opacity: 0; transform: translateY(10px);
  transition: opacity .35s ease, transform .35s ease; }
.beat.on.in { opacity: 1; transform: none; }
.beat figure { margin: 12px 0 4px; }
.beat-next {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--blue-soft); color: var(--blue-text); border: 1.5px solid var(--blue);
  border-radius: 999px; padding: 9px 22px; font: inherit; font-weight: 800; font-size: 15px;
  cursor: pointer; margin-top: 6px; min-height: 44px;
}
.beat-next:hover { background: var(--blue); color: #fff; }
.show-all {
  background: none; border: 0; color: var(--muted); font: inherit; font-size: 12.5px;
  font-weight: 700; cursor: pointer; text-decoration: underline; padding: 4px;
}
@media (prefers-reduced-motion: reduce) {
  .beat.on { transition: none; opacity: 1; transform: none; }
  * { animation-duration: .01ms !important; transition-duration: .01ms !important; }
}

/* ---------- figures: remap legacy SVG colors to the Okabe-Ito palette + dash cues ---------- */
figure svg rect[fill="#dbe7f5"] { fill: var(--blue-soft); stroke: var(--blue); stroke-width: 1.3; }
figure svg rect[fill="#f8ecd4"] { fill: var(--amber-soft); stroke: var(--amber); stroke-width: 1.3; stroke-dasharray: 5 3; }
figure svg rect[fill="#e9e2f7"] { fill: var(--lav-soft); stroke: var(--lav); stroke-width: 1.3; stroke-dasharray: 1.5 2.5; }
figure svg rect[fill="#fae3df"] { fill: var(--rose-soft); stroke: var(--rose); stroke-width: 1.3; }
figure svg text[fill="#33639c"], figure svg tspan[fill="#33639c"] { fill: var(--blue-text); }
figure svg text[fill="#9c6d12"], figure svg tspan[fill="#9c6d12"] { fill: var(--amber-text); }
figure svg text[fill="#6a4fa8"], figure svg tspan[fill="#6a4fa8"] { fill: var(--lav-text); }
figure svg text[fill="#a8402f"], figure svg tspan[fill="#a8402f"] { fill: var(--rose-text); }
figure svg text[fill="#55418a"], figure svg tspan[fill="#55418a"] { fill: var(--lav-text); }
figure svg [stroke="#5b8dc9"] { stroke: var(--blue); }
figure svg [stroke="#9c86cf"] { stroke: var(--lav); }
figure svg [fill="#9c86cf"] { fill: var(--lav-deep); }
figure svg [fill="#55418a"] { fill: var(--lav-text); }
figure svg [stroke="#d99a2b"] { stroke: var(--amber); }
figure svg [fill="#3f9d6e"] { fill: var(--green); }

#confetti { position: fixed; inset: 0; pointer-events: none; z-index: 50; }

/* ---------- ranks & code bank ---------- */
.rank-chip {
  display: inline-flex; align-items: center; gap: 7px;
  background: var(--lav-soft); color: var(--lav-text); border-radius: 999px;
  padding: 5px 15px; font-weight: 800; font-size: 13.5px;
}
.rank-chip.rankup { animation: rankpulse .8s ease 3; }
@keyframes rankpulse { 50% { transform: scale(1.12); box-shadow: 0 0 0 6px rgba(156,134,207,.25); } }

.bank-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
@media (max-width: 640px) { .bank-grid { grid-template-columns: 1fr; } }
.bank-card {
  border: 1.5px solid var(--line); border-radius: 12px; padding: 12px 14px;
  background: #fff; cursor: pointer; transition: transform .12s, box-shadow .12s;
}
.bank-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--blue); }
.bank-card h3 { margin: 0 0 4px; font-size: 15px; }
.bank-card .cap { color: var(--muted); font-size: 12.5px; line-height: 1.45; }
.bank-card .meta { display: flex; gap: 6px; margin-top: 8px; align-items: center; }
.rank-badge { font-size: 10.5px; font-weight: 800; padding: 2px 9px; border-radius: 999px; }
.rank-badge.m { background: var(--blue-soft); color: var(--blue-text); border: 1px solid var(--blue); }
.rank-badge.b { background: var(--amber-soft); color: var(--amber-text); border: 1px dashed var(--amber); }
.rank-badge.r { background: #ddf0e9; color: #00543d; border: 1px dotted var(--green); }
.talks-badge { font-size: 10.5px; font-weight: 800; padding: 2px 9px; border-radius: 999px; background: var(--rose-soft); color: var(--rose-text); }
.gate-tag { font-size: 10.5px; font-weight: 800; color: var(--muted); margin-inline-start: auto; }
.think-badge { font-size: 10.5px; font-weight: 800; padding: 2px 9px; border-radius: 999px; background: var(--blue-soft); color: var(--blue-text); }

/* spaced-repetition warm-up banner (PEDAGOGY §3, shipped 2026-09-14) */
.warmup {
  display: flex; align-items: center; gap: 12px; flex-wrap: wrap;
  background: var(--lav-soft); border: 1.5px solid var(--lav);
  border-radius: var(--radius); padding: 12px 16px; margin-bottom: 14px;
  font-weight: 700; color: var(--lav-text); font-size: 14.5px;
}
.warmup .wicon { font-size: 20px; }
.warmup .btn { padding: 7px 16px; font-size: 14px; }

/* 👣 step mode — the notional machine, visible */
.step-bar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--card); border: 1.5px solid var(--blue); border-radius: var(--radius);
  padding: 12px 16px; box-shadow: var(--shadow);
}
.step-meta { flex: 1; min-width: 220px; }
#stepInfo { font-size: 14px; font-weight: 700; color: var(--ink); }
#stepInfo code { font-size: 13px; }
.step-src {
  font-family: "JetBrains Mono", Consolas, monospace; font-size: 14px; font-weight: 700;
  color: var(--blue-text); margin-top: 3px; overflow-wrap: anywhere;
}
.CodeMirror .step-line { background: var(--lav-soft) !important; }

/* 🔴 live mode */
.livebar {
  display: flex; align-items: center; gap: 10px;
  background: var(--card); border: 1.5px solid var(--rose); border-radius: var(--radius);
  padding: 10px 16px; font-size: 14px; font-weight: 700; color: var(--rose-text);
  box-shadow: var(--shadow);
}
.live-dot { width: 11px; height: 11px; border-radius: 50%; background: var(--rose); animation: livepulse 1.1s ease infinite; }
@keyframes livepulse { 50% { opacity: .35; } }
@media (prefers-reduced-motion: reduce) { .live-dot { animation: none; } }

/* 🎯 Challenges — match the masterpiece */
.ch-goal { font-size: 16px; line-height: 1.6; font-weight: 700; color: var(--ink); }
.ch-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 10px; margin-top: 14px; }
@media (max-width: 640px) { .ch-grid { grid-template-columns: 1fr; } }
.ch-card {
  border: 1.5px solid var(--line); border-radius: 12px; background: #fff;
  padding: 12px 14px; cursor: pointer; transition: transform .12s, box-shadow .12s;
}
.ch-card:hover { transform: translateY(-2px); box-shadow: var(--shadow); border-color: var(--blue); }
.ch-card h3 { margin: 0 0 4px; font-size: 15px; }
.ch-card .cap { color: var(--muted); font-size: 12.5px; line-height: 1.45; }
.ch-card .meta { display: flex; gap: 6px; margin-top: 8px; align-items: center; }
.ch-solved { font-size: 11px; font-weight: 800; color: #00543d; background: #ddf0e9; border-radius: 999px; padding: 2px 9px; }

/* 🖼️ My Gallery — a private portfolio; lives only on this device */
.savebar {
  display: flex; align-items: center; gap: 10px; flex-wrap: wrap;
  background: var(--card); border: 1.5px solid var(--line); border-radius: var(--radius);
  padding: 10px 14px; box-shadow: var(--shadow);
}
.savebar input {
  flex: 1; min-width: 150px; border: 1.5px solid var(--line); border-radius: 9px;
  padding: 8px 12px; font: inherit; font-size: 14px;
}
.savebar input:focus { outline: none; border-color: var(--blue); }
.savebar .btn { padding: 8px 16px; font-size: 14px; }
.gal-privacy { font-size: 12px; color: var(--muted); font-weight: 700; }
.gal-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-top: 14px; }
@media (max-width: 640px) { .gal-grid { grid-template-columns: 1fr; } }
.gal-card {
  border: 1.5px solid var(--line); border-radius: 14px; background: #fff;
  overflow: hidden; display: flex; flex-direction: column;
}
.gal-card img { width: 100%; display: block; background: #f8f9fc; aspect-ratio: 4/3; object-fit: cover; }
.gal-body { padding: 10px 12px 12px; display: flex; flex-direction: column; gap: 5px; }
.gal-title { font-weight: 900; font-size: 15px; cursor: pointer; }
.gal-title:hover { color: var(--blue-text); }
.gal-refl { font-size: 12.5px; color: var(--lav-text); font-weight: 700; }
.gal-date { font-size: 11px; color: var(--muted); font-weight: 700; }
.gal-actions { display: flex; gap: 6px; margin-top: 6px; }
.gal-empty {
  background: var(--panel); border-radius: 14px; padding: 26px 20px; text-align: center;
  color: var(--muted); font-weight: 700; margin-top: 14px;
}

/* 🧩 Parsons puzzles — order the thoughts */
.puz-goal { font-size: 14.5px; font-weight: 700; color: var(--lav-text); margin-bottom: 10px; }
.puz-label { font-size: 11.5px; font-weight: 800; color: var(--muted); text-transform: uppercase; letter-spacing: .4px; margin: 12px 0 6px; }
.puz-placed, .puz-tray { display: flex; flex-direction: column; gap: 6px; min-height: 34px; }
.puz-tray { flex-direction: row; flex-wrap: wrap; }
.puz-tile {
  display: inline-flex; align-items: center; gap: 8px;
  background: #fff; border: 1.5px solid var(--line); border-radius: 10px;
  padding: 8px 12px; cursor: pointer;
  font-family: "JetBrains Mono", Consolas, monospace; font-size: 14.5px; font-weight: 700;
  transition: transform .1s, box-shadow .1s;
}
.puz-tile:hover { transform: translateY(-1px); box-shadow: var(--shadow); border-color: var(--blue); }
.puz-tile .r-kw { color: var(--blue-text); font-weight: 800; }
.puz-tile .r-name { color: var(--lav-text); }
.puz-tile .r-val { color: var(--amber-text); }
.puz-tile .r-ink { color: #2e3a46; }
.puz-placed .puz-tile { cursor: default; border-color: var(--blue-soft); background: #fbfcfe; }
.puz-mini {
  border: 1.2px solid var(--line); background: var(--panel); border-radius: 7px;
  font: inherit; font-size: 12px; font-weight: 800; color: var(--muted);
  padding: 2px 8px; cursor: pointer;
}
.puz-mini:hover { border-color: var(--blue); color: var(--blue-text); }

/* guided thinking track */
.think-step { font-size: 16.5px; line-height: 1.6; color: var(--ink); min-height: 48px; padding: 4px 2px; }
.think-step b { color: var(--blue-text); }
.bank-filters { display: flex; gap: 7px; flex-wrap: wrap; margin-top: 10px; }
.bank-filters button {
  border: 1.5px solid var(--line); background: #fff; border-radius: 999px;
  padding: 4px 14px; font: inherit; font-weight: 700; font-size: 13px; cursor: pointer; color: var(--muted);
}
.bank-filters button.on { background: var(--blue); border-color: var(--blue); color: #fff; }

/* ---------- "Watch, then try" guided typing ---------- */
.demo-card {
  background: linear-gradient(135deg, #ffffff 0%, #f7f4ff 100%);
  border: 1.5px solid var(--lav-soft); border-radius: var(--radius);
  box-shadow: var(--shadow); padding: 14px 16px;
}
.demo-head { display: flex; align-items: center; gap: 10px; margin-bottom: 10px; }
.demo-title { font-weight: 900; font-size: 14.5px; color: #55418a; }
@keyframes pop { 0% { transform: scale(1.7); } 100% { transform: scale(1); } }
.demo-cursor {
  display: inline-block; width: 2.5px; height: 1.15em; background: var(--lav);
  vertical-align: text-bottom; margin: 0 1px; animation: blink 1s steps(1) infinite;
}
@keyframes blink { 50% { opacity: 0; } }
.demo-btns { display: flex; gap: 8px; margin-top: 10px; flex-wrap: wrap; }
.btn.demo-primary { background: var(--lav-deep); color: #fff; }
.btn.demo-primary:hover { filter: brightness(1.08); }