:root {
  --bg: #f5f6fa; --surface: #ffffff; --surface-2: #eff1f7; --text: #1c2133; --muted: #5d6479; --border: #dce0ea;
  --accent: #4f46e5; --accent-strong: #3f37c9; --accent-soft: #eceafe; --on-accent: #ffffff; --heat-rgb: 79, 70, 229;
  --keep: #0b8a5e; --keep-soft: #e3f5ed; --drop: #a8454d; --drop-soft: #f9eced; --warn: #8a5a00; --warn-soft: #fdf3dc;
  --shadow: 0 1px 2px rgba(20, 24, 40, .06), 0 6px 20px rgba(20, 24, 40, .06);
  --shadow-lift: 0 12px 32px rgba(20, 24, 40, .25);
  --radius: 12px; color-scheme: light;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --bg: #12141c; --surface: #1b1e29; --surface-2: #232736; --text: #e7e9f1; --muted: #a0a6ba; --border: #2f3445;
    --accent: #8b85ff; --accent-strong: #a29dff; --accent-soft: #2a2850; --on-accent: #12141c; --heat-rgb: 139, 133, 255;
    --keep: #4cc79a; --keep-soft: #16322a; --drop: #e58a91; --drop-soft: #3a2124; --warn: #f0c060; --warn-soft: #362c14;
    --shadow: 0 1px 2px rgba(0,0,0,.4), 0 6px 20px rgba(0,0,0,.25); --shadow-lift: 0 12px 32px rgba(0,0,0,.6); color-scheme: dark;
  }
}
:root[data-theme="dark"] {
  --bg: #12141c; --surface: #1b1e29; --surface-2: #232736; --text: #e7e9f1; --muted: #a0a6ba; --border: #2f3445;
  --accent: #8b85ff; --accent-strong: #a29dff; --accent-soft: #2a2850; --on-accent: #12141c; --heat-rgb: 139, 133, 255;
  --keep: #4cc79a; --keep-soft: #16322a; --drop: #e58a91; --drop-soft: #3a2124; --warn: #f0c060; --warn-soft: #362c14;
  --shadow: 0 1px 2px rgba(0,0,0,.4), 0 6px 20px rgba(0,0,0,.25); --shadow-lift: 0 12px 32px rgba(0,0,0,.6); color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { margin: 0; }
body { background: var(--bg); color: var(--text); font: 15px/1.5 "Segoe UI", system-ui, -apple-system, Roboto, "Helvetica Neue", Arial, sans-serif; -webkit-font-smoothing: antialiased; }
h1, h2, h3 { line-height: 1.25; margin: 0 0 .4em; }
h1 { font-size: 1.7rem; } h2 { font-size: 1.3rem; } h3 { font-size: 1.02rem; }
p { margin: 0 0 .8em; }
a { color: var(--accent); }
.wrap { max-width: 1180px; margin: 0 auto; padding: 20px 16px 60px; }
.wrap.narrow { max-width: 1000px; }
.muted { color: var(--muted); } .small { font-size: .87rem; }
.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }
.spacer { flex: 1; }
.card { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); box-shadow: var(--shadow); padding: 20px; margin-bottom: 18px; }
.btn { appearance: none; border: 1px solid var(--border); background: var(--surface); color: var(--text); border-radius: 9px; padding: 8px 14px; font: inherit; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: 6px; text-decoration: none; line-height: 1.3; }
.btn:hover { background: var(--surface-2); }
.btn:focus-visible, .fcard:focus-visible, input:focus-visible, textarea:focus-visible, select:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--on-accent); }
.btn.primary:hover { background: var(--accent-strong); }
.btn.danger { color: var(--drop); }
.btn.ghost { background: transparent; border-color: transparent; }
.btn.ghost:hover { background: var(--surface-2); }
.btn.sm { padding: 4px 9px; font-size: .85rem; border-radius: 7px; }
.btn.lg { padding: 12px 22px; font-size: 1.05rem; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }
input[type=text], textarea, select { width: 100%; font: inherit; color: var(--text); background: var(--surface); border: 1px solid var(--border); border-radius: 8px; padding: 8px 10px; }
textarea { resize: vertical; min-height: 60px; }
label.field { display: block; margin-bottom: 12px; }
label.field > span { display: block; font-weight: 600; font-size: .88rem; margin-bottom: 4px; }
.pill { display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: .78rem; font-weight: 600; background: var(--surface-2); color: var(--muted); white-space: nowrap; }
.pill.keep { background: var(--keep-soft); color: var(--keep); } .pill.drop { background: var(--drop-soft); color: var(--drop); }
.pill.warn { background: var(--warn-soft); color: var(--warn); } .pill.accent { background: var(--accent-soft); color: var(--accent); }
.notice { border-radius: 10px; padding: 10px 14px; background: var(--warn-soft); color: var(--warn); margin: 10px 0; font-size: .92rem; }
.notice.info { background: var(--accent-soft); color: var(--accent); }
.sr-only { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
.empty { text-align: center; padding: 30px; color: var(--muted); }
.scroll-x { overflow-x: auto; }

/* Top bar */
.topbar { background: var(--surface); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 50; }
.topbar .inner { max-width: 1180px; margin: 0 auto; padding: 10px 16px; display: flex; gap: 12px; align-items: center; flex-wrap: wrap; }
.brand { font-weight: 700; display: flex; align-items: center; gap: 8px; min-width: 0; }
.brand .logo { width: 28px; height: 28px; border-radius: 8px; background: var(--accent); color: var(--on-accent); display: grid; place-items: center; font-size: 15px; flex: none; }
.tabs { display: flex; gap: 4px; overflow-x: auto; }
.tabs a { text-decoration: none; color: var(--muted); font-weight: 600; padding: 7px 12px; border-radius: 8px; white-space: nowrap; }
.tabs a:hover { background: var(--surface-2); }
.tabs a.active { background: var(--accent-soft); color: var(--accent); }

/* Welcome */
.hero { text-align: center; padding: 36px 20px; }
.hero h1 { font-size: 2rem; }
.hero .intro { max-width: 640px; margin: 0 auto 22px; color: var(--muted); white-space: pre-line; }
.how { display: grid; grid-template-columns: repeat(3, 1fr); gap: 12px; max-width: 760px; margin: 0 auto 24px; text-align: left; }
.how div { background: var(--surface-2); border-radius: 10px; padding: 12px; font-size: .9rem; }
.how b { display: block; font-size: 1.3rem; margin-bottom: 2px; }
.name-box { max-width: 360px; margin: 0 auto 16px; text-align: left; }

/* Board */
.board-head { display: flex; gap: 12px; align-items: flex-end; flex-wrap: wrap; margin-bottom: 12px; }
.board-head .instr { color: var(--muted); max-width: 760px; margin: 0; white-space: pre-line; }
.progress { height: 8px; background: var(--border); border-radius: 99px; overflow: hidden; margin-top: 6px; }
.progress > span { display: block; height: 100%; background: var(--keep); transition: width .25s; }
.board { display: grid; grid-template-columns: 300px 1fr; gap: 16px; align-items: start; }
.zone { background: var(--surface); border: 2px solid var(--border); border-radius: var(--radius); padding: 12px; transition: border-color .12s, background .12s; }
.zone.over { border-color: var(--accent); background: var(--accent-soft); }
.zone > header { margin-bottom: 8px; }
.zone > header h3 { margin: 0; display: flex; gap: 8px; align-items: center; }
.zone > header p { margin: 2px 0 0; font-size: .82rem; color: var(--muted); }
.zone .count { margin-left: auto; font-size: .78rem; font-weight: 700; color: var(--muted); background: var(--surface-2); border-radius: 99px; padding: 1px 8px; }
.pool { position: sticky; top: 64px; max-height: calc(100vh - 80px); display: flex; flex-direction: column; box-shadow: var(--shadow); }
.pool .cards { overflow-y: auto; flex: 1; min-height: 80px; padding: 2px; margin: 0 -4px; padding: 0 4px; }
.pool.done-pool { border-color: var(--keep); }
.cats { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; }
.cat { min-height: 150px; box-shadow: var(--shadow); }
.cat .cards { min-height: 60px; }
.drop-hint { border: 2px dashed var(--border); border-radius: 9px; padding: 14px 8px; text-align: center; color: var(--muted); font-size: .84rem; }
.bins { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: 12px; margin-top: 12px; }
.zone.bin { border-style: dashed; background: var(--surface-2); min-height: 110px; }
.zone.bin.no > header h3 { color: var(--drop); }
.zone.bin.unsure > header h3 { color: var(--warn); }
.fcard {
  position: relative; background: var(--surface); border: 1px solid var(--border); border-radius: 9px; padding: 8px 10px; margin-bottom: 6px;
  cursor: grab; user-select: none; -webkit-user-select: none; touch-action: pan-y; -webkit-touch-callout: none;
  transition: border-color .12s, box-shadow .12s;
}
.fcard:hover { border-color: var(--accent); }
.fcard .fname { font-weight: 600; font-size: .93rem; padding-right: 4px; }
.fcard .fdesc { font-size: .8rem; color: var(--muted); }
.fcard .meta { display: flex; gap: 4px; flex-wrap: wrap; margin-top: 4px; }
.fcard.compact { display: flex; align-items: center; gap: 6px; padding: 6px 6px 6px 10px; }
.fcard.compact .fname { flex: 1; font-size: .88rem; }
.fcard.compact .meta { margin: 0; }
.fcard .x { border: 0; background: transparent; color: var(--muted); cursor: pointer; font-size: .9rem; padding: 2px 6px; border-radius: 6px; line-height: 1; }
.fcard .x:hover { background: var(--drop-soft); color: var(--drop); }
.fcard.sugg { border-left: 4px solid var(--accent); }
.multi { font-size: .72rem; font-weight: 700; color: var(--accent); background: var(--accent-soft); border-radius: 99px; padding: 1px 7px; }
.drag-src { opacity: .35; }
.drag-ghost { position: fixed; z-index: 1000; pointer-events: none; box-shadow: var(--shadow-lift); transform: rotate(-2deg); margin: 0; border-color: var(--accent); }
.drag-ghost.copy::after { content: "+ copy"; position: absolute; top: -10px; right: -8px; background: var(--accent); color: var(--on-accent); font-size: .7rem; font-weight: 700; padding: 1px 7px; border-radius: 99px; }
.tip {
  position: fixed; z-index: 1300; max-width: 280px; background: var(--text); color: var(--bg); font-size: .8rem; line-height: 1.4;
  padding: 7px 10px; border-radius: 8px; box-shadow: var(--shadow-lift); pointer-events: none; opacity: 0; transition: opacity .12s;
}
.tip.show { opacity: 1; }
.tip kbd { font: inherit; font-weight: 700; border: 1px solid currentColor; border-radius: 4px; padding: 0 4px; opacity: .9; }
.pool-empty { text-align: center; padding: 18px 8px; color: var(--keep); font-weight: 600; }
.board-foot { display: flex; gap: 10px; align-items: center; margin-top: 16px; flex-wrap: wrap; }

/* Sheet (dialog) */
.backdrop { position: fixed; inset: 0; background: rgba(10, 12, 20, .45); z-index: 1200; display: grid; place-items: center; padding: 16px; }
.sheet { background: var(--surface); border-radius: 14px; box-shadow: var(--shadow-lift); width: min(460px, 100%); max-height: calc(100vh - 32px); overflow-y: auto; padding: 18px; }
.sheet h3 { font-size: 1.15rem; }
.sheet-sec { font-size: .76rem; text-transform: uppercase; letter-spacing: .04em; font-weight: 700; color: var(--muted); margin: 14px 0 6px; }
.opt { display: flex; gap: 10px; align-items: center; padding: 9px 10px; border: 1px solid var(--border); border-radius: 9px; margin-bottom: 6px; cursor: pointer; }
.opt:hover { border-color: var(--accent); }
.opt input { width: 18px; height: 18px; flex: none; margin: 0; }
.opt.on { border-color: var(--accent); background: var(--accent-soft); }
.opt small { display: block; color: var(--muted); font-size: .78rem; }

/* Review */
.review-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(240px, 1fr)); gap: 12px; }
.review-grid .zone { min-height: 0; }
.chips { display: flex; flex-wrap: wrap; gap: 5px; }
.chip { font-size: .82rem; background: var(--surface-2); border-radius: 7px; padding: 3px 8px; }
.chip.sugg { background: var(--accent-soft); color: var(--accent); }
.code-box { font-family: Consolas, "Courier New", monospace; font-size: .75rem; word-break: break-all; }
.confetti { position: fixed; top: -12px; width: 9px; height: 14px; z-index: 1500; pointer-events: none; animation: fall linear forwards; }
@keyframes fall { to { transform: translate3d(var(--dx), 105vh, 0) rotate(var(--rot)); opacity: .9; } }

/* Admin editor */
.editor-sec { border: 1px solid var(--border); border-radius: var(--radius); background: var(--surface); margin-bottom: 18px; box-shadow: var(--shadow); }
.editor-sec > header { display: flex; gap: 8px; align-items: center; padding: 14px 16px; border-bottom: 1px solid var(--border); flex-wrap: wrap; }
.editor-sec > header h2 { margin: 0; flex: 1; font-size: 1.15rem; }
.editor-sec .body { padding: 16px; }
.grid2 { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.item-row { display: grid; grid-template-columns: 28px minmax(0, 1.2fr) minmax(0, 2fr) minmax(0, 130px) 104px; gap: 8px; align-items: center; margin-bottom: 8px; }
.item-row.cat-row { grid-template-columns: 28px minmax(0, 1.2fr) minmax(0, 2.2fr) 104px; }
.item-row input { min-width: 0; }
.item-row .num { color: var(--muted); font-weight: 700; text-align: right; }
.item-head { font-size: .78rem; font-weight: 700; color: var(--muted); text-transform: uppercase; letter-spacing: .03em; }
.item-actions { display: flex; gap: 2px; flex: none; white-space: nowrap; }
details.bulk { margin-top: 10px; }
details.bulk summary { cursor: pointer; font-weight: 600; color: var(--accent); }
.check { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 12px; }
.check input { width: 18px; height: 18px; margin-top: 2px; flex: none; }
.check b { display: block; }
.opts-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 4px 20px; }

/* Results */
.tiles { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 12px; margin-bottom: 18px; }
.tile { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius); padding: 14px 16px; box-shadow: var(--shadow); }
.tile .k { font-size: .8rem; color: var(--muted); font-weight: 600; }
.tile .v { font-size: 1.6rem; font-weight: 700; }
.structure { display: grid; grid-template-columns: repeat(auto-fill, minmax(250px, 1fr)); gap: 12px; }
.structure .zone { min-height: 0; box-shadow: none; }
.srow { display: flex; gap: 8px; align-items: center; padding: 5px 0; border-bottom: 1px solid var(--border); font-size: .9rem; }
.srow:last-child { border-bottom: 0; }
.srow .n { flex: 1; min-width: 0; }
.srow.also { color: var(--muted); font-size: .84rem; }
.res-table { width: 100%; border-collapse: collapse; }
.res-table th { text-align: left; font-size: .74rem; text-transform: uppercase; letter-spacing: .03em; color: var(--muted); padding: 6px 8px; border-bottom: 1px solid var(--border); vertical-align: bottom; }
.res-table td { padding: 7px 8px; border-bottom: 1px solid var(--border); vertical-align: middle; }
.matrix th.col { text-align: center; min-width: 76px; text-transform: none; letter-spacing: 0; font-size: .78rem; }
.matrix td.cell { text-align: center; font-variant-numeric: tabular-nums; font-size: .84rem; background: rgba(var(--heat-rgb), var(--a, 0)); }
.matrix td.cell.hi { color: var(--on-accent); font-weight: 700; }
.matrix td.cell.top { box-shadow: inset 0 0 0 2px var(--accent); }
.matrix td.cell.zero { color: var(--border); }
.matrix tr.group td { background: var(--surface-2); font-weight: 700; font-size: .85rem; }
.matrix td.feat { white-space: nowrap; max-width: 260px; overflow: hidden; text-overflow: ellipsis; }
.person-board { display: grid; grid-template-columns: repeat(auto-fill, minmax(220px, 1fr)); gap: 10px; }
.person-board .zone { min-height: 0; box-shadow: none; }
.dropzone { border: 2px dashed var(--border); border-radius: var(--radius); padding: 18px; text-align: center; color: var(--muted); }
.dropzone.over { border-color: var(--accent); background: var(--accent-soft); color: var(--accent); }
.resp-list { display: grid; gap: 6px; }
.resp-list .r { display: flex; gap: 10px; align-items: center; padding: 8px 10px; border: 1px solid var(--border); border-radius: 8px; flex-wrap: wrap; }
.steps { counter-reset: s; list-style: none; padding: 0; margin: 0; }
.steps > li { counter-increment: s; position: relative; padding: 0 0 18px 44px; }
.steps > li::before { content: counter(s); position: absolute; left: 0; top: 0; width: 30px; height: 30px; border-radius: 50%; background: var(--accent); color: var(--on-accent); display: grid; place-items: center; font-weight: 700; }
#toasts { position: fixed; bottom: 16px; left: 50%; transform: translateX(-50%); z-index: 2000; display: grid; gap: 8px; width: min(92vw, 460px); }
.toast { background: var(--text); color: var(--bg); padding: 10px 14px; border-radius: 10px; box-shadow: var(--shadow-lift); font-size: .92rem; }
.toast.warn { background: var(--warn); color: #fff; }
@media (prefers-reduced-motion: reduce) { .confetti { display: none; } .drag-ghost { transform: none; } .progress > span { transition: none; } }

@media (max-width: 760px) {
  h1, .hero h1 { font-size: 1.45rem; }
  .how, .grid2, .opts-grid { grid-template-columns: 1fr; }
  .board { grid-template-columns: 1fr; }
  .pool { position: static; max-height: 46vh; }
  .item-row, .item-row.cat-row { grid-template-columns: 22px minmax(0, 1fr) 104px; }
  .item-row .desc, .item-row .tag-in { grid-column: 2 / -1; }
  .item-row .item-actions { grid-column: 3; grid-row: 1; }
  .item-head { display: none; }
  .hide-sm { display: none; }
  .card { padding: 16px; }
}
@media print {
  .topbar, .btn, #toasts { display: none !important; }
  body { background: #fff; }
  .card { box-shadow: none; break-inside: avoid; }
}

/* ---- Added for the hosted version (EINT-1206): replaces every inline style= of the single-file tool ---- */
[hidden] { display: none !important; }
.m-0 { margin: 0; }
.mb-4 { margin-bottom: 4px; }
.mb-12 { margin-bottom: 12px; }
.mb-14 { margin-bottom: 14px; }
.mt-6 { margin-top: 6px; }
.mt-8 { margin-top: 8px; }
.mt-12 { margin-top: 12px; }
.mt-14 { margin-top: 14px; }
.mt-16 { margin-top: 16px; }
.row.center { justify-content: center; }
.bh-main { flex: 1; min-width: 260px; }
.bh-title { margin: 0 0 4px; }
.bh-progress { min-width: 200px; }
.progress > span { width: 0; }
.big-emoji { font-size: 48px; }
.pb-wrap { width: 100%; padding: 6px 0 4px; }
.field.m-0 { margin: 0; }
.matrix td.cell { --a: 0; }
.welcome-who { max-width: 420px; margin: 0 auto 16px; padding: 10px 14px; border-radius: 10px; background: var(--surface-2); text-align: center; }
.welcome-who b { font-size: 1.05rem; }

/* Topbar extras (admin) */
.who { display: flex; gap: 8px; align-items: center; font-size: .85rem; color: var(--muted); white-space: nowrap; }
.who a { font-weight: 600; }
.save-state { font-size: .8rem; font-weight: 600; color: var(--muted); white-space: nowrap; }
.save-state.ok { color: var(--keep); }
.save-state.busy { color: var(--accent); }
.save-state.err { color: var(--drop); }
.notice.err { background: var(--drop-soft); color: var(--drop); }
.notice .row { margin-top: 8px; }

/* Invites */
.link-list { display: grid; gap: 6px; margin: 10px 0; }
.link-row { display: grid; grid-template-columns: minmax(0, 180px) minmax(0, 1fr) auto; gap: 8px; align-items: center; }
.link-row input { font-family: Consolas, "Courier New", monospace; font-size: .8rem; }
.inv-table td.actions { white-space: nowrap; text-align: right; }
.inv-table tr.revoked td { color: var(--muted); }
.inv-table tr.revoked td b { text-decoration: line-through; }
.ok-mark { color: var(--keep); font-weight: 700; }
.danger-zone { border-color: var(--drop); }
.confirm-box { margin-top: 12px; padding: 12px; border: 1px dashed var(--drop); border-radius: 10px; }
.confirm-box input[type=text] { max-width: 200px; }

/* Full-page message (participant link problems, loading) */
.msg-page { max-width: 560px; margin: 60px auto; text-align: center; }
.msg-page .big-emoji { margin-bottom: 8px; }

@media (max-width: 760px) {
  .link-row { grid-template-columns: 1fr auto; }
  .link-row .ln { grid-column: 1 / -1; }
  .who { white-space: normal; }
}
@media print {
  .who, .save-state { display: none !important; }
}