:root {
  --font: Inter, system-ui, sans-serif;
  --display: 'Space Grotesk', Inter, sans-serif;
  --primary: #FF6B1A;
  --on-primary: #0B0D12;
  --good: #19E07A;
}
[data-theme='dark'] {
  --bg: #0B0D12; --surface: #151922; --raised: #1E2430; --border: #2A3140;
  --text: #ECEEF2; --muted: #A3AAB8; --accent-text: #FF8A47; --cyan: #00D2F0;
  --accent-soft: rgba(255, 107, 26, 0.14); --bar-rest: #4A5366;
  color-scheme: dark;
}
[data-theme='light'] {
  --bg: #F4F5F7; --surface: #FFFFFF; --raised: #ECEEF2; --border: #D5DAE1;
  --text: #12151C; --muted: #4F5765; --accent-text: #B23F00; --cyan: #00708A;
  --accent-soft: rgba(255, 107, 26, 0.12); --bar-rest: #A9B1BD;
  color-scheme: light;
}
[data-theme='dark'] .i-moon, [data-theme='light'] .i-sun { display: none; }

* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 var(--font); }
a { color: var(--accent-text); }
h1, h2, h3 { font-family: var(--display); letter-spacing: -0.01em; margin: 0; }
p { margin: 0; }
button, input, textarea { font: inherit; color: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; }
:focus-visible { outline: 3px solid var(--accent-text); outline-offset: 2px; }
::placeholder { color: #7C8494; }

.wrap { max-width: 1180px; margin: 0 auto; padding: 0 24px; }
main.wrap { padding-top: 40px; padding-bottom: 72px; display: flex; flex-direction: column; gap: 28px; outline: none; }

.topbar { border-bottom: 1px solid var(--border); }
.topbar-inner { display: flex; flex-wrap: wrap; align-items: center; justify-content: space-between; gap: 12px; padding-top: 14px; padding-bottom: 14px; }
.brand { display: flex; align-items: center; gap: 12px; color: var(--text); text-decoration: none; font: 700 19px var(--display); }
.brand-mark { display: grid; grid-template-columns: repeat(3, 10px); gap: 3px; }
.brand-mark i { width: 10px; height: 10px; border-radius: 3px; }
.topnav { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.navlink { padding: 10px 14px; border-radius: 10px; color: var(--muted); text-decoration: none; font-weight: 500; }
.navlink:hover { color: var(--text); }
.icon-btn { width: 44px; height: 44px; border-radius: 10px; border: 1px solid var(--border); background: var(--surface); display: grid; place-items: center; }
.who { font-size: 14px; color: var(--muted); }
.who a { margin-left: 8px; }
.score { font: 600 14px var(--font); padding: 6px 12px; border-radius: 999px; background: var(--accent-soft); color: var(--accent-text); }

.eyebrow { font-size: 14px; font-weight: 600; letter-spacing: 0.08em; text-transform: uppercase; color: var(--accent-text); }
.eyebrow.cyan { color: var(--cyan); }
.muted { color: var(--muted); }
.card { padding: 28px; border-radius: 20px; background: var(--surface); border: 1px solid var(--border); }
.row { display: flex; flex-wrap: wrap; gap: 24px; align-items: flex-start; }
.grow { flex: 999 1 560px; min-width: 0; }
.side { flex: 1 1 340px; min-width: 0; }
.stack { display: flex; flex-direction: column; gap: 16px; }
.head-row { display: flex; flex-wrap: wrap; align-items: flex-end; justify-content: space-between; gap: 16px; }

.btn { min-height: 44px; padding: 0 20px; border-radius: 10px; border: 1px solid var(--border); background: transparent; font-weight: 500; display: inline-flex; align-items: center; justify-content: center; gap: 8px; text-decoration: none; color: var(--text); }
.btn.primary { background: var(--primary); color: var(--on-primary); border-color: transparent; font-weight: 600; }
.btn.primary:disabled { background: var(--raised); color: var(--muted); }
.btn.ghost { border-color: transparent; color: var(--muted); }

.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-weight: 600; }
.field .hint { font-size: 14px; color: var(--muted); }
.input, .textarea { width: 100%; padding: 12px 14px; border-radius: 10px; border: 1px solid var(--border); background: var(--bg); }
.input { min-height: 48px; }
.textarea { resize: vertical; min-height: 110px; line-height: 1.5; }

/* Home */
.hero { display: flex; flex-wrap: wrap; gap: 48px; align-items: center; }
.hero h1 { font-size: clamp(40px, 6vw, 56px); line-height: 1.05; font-weight: 700; }
.hero .lede { font-size: 19px; color: var(--muted); max-width: 560px; }
.mode-card { flex: 1 1 360px; min-width: 0; display: flex; flex-direction: column; gap: 16px; color: var(--text); text-decoration: none; }
.mode-card:hover { border-color: var(--muted); }
.chips { display: flex; flex-wrap: wrap; gap: 8px; }
.chip { padding: 6px 12px; border-radius: 999px; background: var(--raised); font-size: 14px; }
.done-badge { font-size: 14px; color: var(--muted); }

/* Framework board */
.board { display: flex; flex-direction: column; gap: 10px; padding: 18px; }
.board-row { display: grid; gap: 10px; }
.board-row.three { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.board-row.two { grid-template-columns: repeat(2, minmax(0, 1fr)); padding: 0 36px; }
.block { min-height: 84px; padding: 8px; border-radius: 14px; border: 0; font: 700 14px var(--display); letter-spacing: 0.04em; text-transform: uppercase; display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 4px; transition: transform .08s; }
.block small { font: 600 13px var(--font); text-transform: none; letter-spacing: 0; }
.block[aria-pressed='true'] { box-shadow: 0 0 0 4px var(--surface), 0 0 0 7px var(--text); }
.block.drag-over { transform: scale(1.03); }
.board.mini .block { min-height: 56px; font-size: 12px; cursor: default; }
.bin { min-height: 60px; border-radius: 14px; border: 2px dashed var(--muted); background: transparent; font-weight: 600; display: flex; align-items: center; justify-content: center; gap: 10px; }
.bin[aria-pressed='true'] { border-color: var(--text); background: var(--raised); }
@media (max-width: 560px) {
  .board-row.three { grid-template-columns: 1fr; }
  .board-row.two { padding: 0; }
}

/* Artifact card + queue */
.artifact { display: flex; gap: 18px; align-items: flex-start; padding: 22px; cursor: grab; }
.artifact .icon { flex: none; width: 64px; height: 64px; border-radius: 16px; background: var(--raised); display: grid; place-items: center; }
.includes { list-style: none; margin: 4px 0 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px; }
.includes li { padding: 4px 10px; border-radius: 999px; background: var(--raised); font-size: 13px; }
.queue { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 8px; }
.queue button { min-height: 40px; padding: 0 14px; border-radius: 999px; border: 1.5px solid var(--border); background: transparent; font-size: 14px; font-weight: 500; display: flex; align-items: center; gap: 8px; }
.queue button[aria-current='true'] { border-color: var(--text); background: var(--raised); }
.dot { width: 8px; height: 8px; border-radius: 999px; background: var(--border); }
.dot.sent { background: var(--good); }

/* Word pick */
.sentence { font: 500 clamp(22px, 3vw, 28px)/1.45 var(--display); }
.slot { padding: 2px 10px; border-radius: 8px; border: 2px dashed var(--muted); color: var(--muted); font-weight: 700; }
.slot.filled { border-color: var(--primary); background: var(--accent-soft); color: var(--accent-text); }
.options { display: flex; flex-wrap: wrap; gap: 10px; }
.option { min-height: 48px; padding: 10px 18px; border-radius: 12px; border: 2px solid var(--border); background: var(--bg); font-weight: 600; text-align: left; }
.option[aria-pressed='true'] { border-color: var(--primary); background: var(--accent-soft); color: var(--accent-text); }
.steps { list-style: none; margin: 0; padding: 0; display: flex; gap: 8px; }
.steps li { width: 56px; height: 8px; border-radius: 999px; background: var(--raised); }
.steps li.current { background: var(--primary); }
.steps li.sent { background: var(--good); }
.note { padding: 18px; border-radius: 14px; background: var(--surface); border: 1px solid var(--border); margin: 0; }
.note figcaption { font-weight: 600; font-size: 14px; margin-bottom: 6px; }
.note blockquote { margin: 0; font-size: 15px; color: var(--muted); }
.actions { display: flex; flex-wrap: wrap; justify-content: space-between; gap: 12px; padding-top: 16px; border-top: 1px solid var(--border); }

/* Results */
.grid-cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 16px; }
.bar-row { display: flex; flex-direction: column; gap: 6px; }
.bar-label { display: flex; justify-content: space-between; gap: 12px; font-size: 15px; }
.bar-track { height: 10px; border-radius: 999px; background: var(--raised); }
.bar-fill { height: 10px; border-radius: 999px; background: var(--bar-rest); }
.bar-fill.lead { background: var(--primary); }
.place-table { border-radius: 18px; background: var(--surface); border: 1px solid var(--border); overflow-x: auto; }
.place-row { display: flex; flex-wrap: wrap; align-items: center; gap: 12px 20px; padding: 16px 22px; border-top: 1px solid var(--border); }
.place-row:first-child { border-top: 0; }
.place-name { flex: 0 0 210px; font-weight: 600; }
.stack-bar { flex: 1 1 320px; min-width: 220px; height: 22px; display: flex; gap: 2px; border-radius: 6px; overflow: hidden; background: var(--raised); }
.place-top { flex: 0 0 200px; font-size: 14px; color: var(--muted); }
.tag { padding: 4px 10px; border-radius: 999px; background: var(--raised); font-size: 13px; font-weight: 600; }
.legend { list-style: none; margin: 0; padding: 0; display: flex; flex-wrap: wrap; gap: 6px 14px; font-size: 13px; color: var(--muted); }
.legend li { display: flex; align-items: center; gap: 6px; }
.swatch { width: 12px; height: 12px; border-radius: 3px; border: 1px solid var(--border); display: inline-block; }
.leaderboard { list-style: none; margin: 0; padding: 0; }
.leaderboard li { display: flex; justify-content: space-between; gap: 12px; padding: 12px 0; border-top: 1px solid var(--border); }
.leaderboard li:first-child { border-top: 0; }
.leaderboard .rank { width: 28px; color: var(--muted); font-variant-numeric: tabular-nums; }
details.reasons { border-top: 1px solid var(--border); }
details.reasons summary { cursor: pointer; padding: 14px 22px; font-weight: 500; }
.reason-list { padding: 0 22px 18px; display: grid; gap: 10px; }
.reason { padding: 14px; border-radius: 12px; background: var(--bg); font-size: 15px; }
.reason b { font-weight: 600; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translateX(-50%); padding: 12px 18px; border-radius: 12px; background: var(--text); color: var(--bg); font-weight: 500; opacity: 0; pointer-events: none; transition: opacity .2s; max-width: calc(100vw - 48px); }
.toast.show { opacity: 1; }
.empty { padding: 40px; text-align: center; color: var(--muted); }