:root{
  --page:#f4f6f3; --surface:#ffffff; --ink:#171a19; --ink-2:#5a625e; --ink-3:#8a928d;
  --line:#dde2de; --line-strong:#c5ccc7; --grid:#e6eae7;
  --accent:#2a78d6; --accent-ink:#ffffff; --accent-soft:#e3eefb;
  --warn-bg:#fff4e0; --warn-ink:#6b4a00; --bad:#c62828;
  --sans:system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  color-scheme:light;
}
@media (prefers-color-scheme: dark){
  :root{
    color-scheme:dark;
    --page:#101312; --surface:#181c1a; --ink:#eef1ee; --ink-2:#a7afaa; --ink-3:#7d857f;
    --line:#2a302d; --line-strong:#3a413d; --grid:#232826;
    --accent:#3987e5; --accent-ink:#ffffff; --accent-soft:#16294a;
    --warn-bg:#3a2d10; --warn-ink:#f4d18a; --bad:#ef6c6c;
  }
}
*{box-sizing:border-box}
html,body{margin:0}
body{background:var(--page);color:var(--ink);font:14px/1.5 var(--sans);padding:0 16px 56px}
.wrap{max-width:1080px;margin:0 auto}
h1,h2,h3{margin:0;font-weight:600;letter-spacing:-.01em;text-wrap:balance}
h1{font-size:18px}
h2{font-size:15px;margin:28px 0 8px}
p{margin:0}
button,input,select{font:inherit;color:inherit}
button{cursor:pointer}
button:focus-visible,input:focus-visible,select:focus-visible,a:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.muted{color:var(--ink-2)}
.small{font-size:13px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}
.eyebrow{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);font-weight:500}
[hidden]{display:none!important}

.top{position:sticky;top:0;z-index:5;background:var(--page);display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px;padding-top:14px;border-bottom:1px solid var(--line)}
.top .brand{display:flex;flex-direction:column;gap:2px;padding-bottom:12px}
.top .brand .sub{font-size:12px;color:var(--ink-2)}
.tabs{display:flex;gap:4px;margin-left:auto}
.tabs button{appearance:none;background:none;border:0;padding:10px 12px 12px;font-weight:500;color:var(--ink-2);border-bottom:2px solid transparent;margin-bottom:-1px}
.tabs button[aria-selected="true"]{color:var(--ink);border-bottom-color:var(--accent)}
.tabs button:hover{color:var(--ink)}
.who{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--ink-2);padding-bottom:12px}
.who .btn{min-height:30px;padding:3px 10px;font-size:13px}

.notice{margin-top:16px;padding:10px 12px;border-radius:6px;background:var(--warn-bg);color:var(--warn-ink);font-size:14px}
.notice.error{background:color-mix(in srgb,var(--bad) 12%,var(--surface));color:var(--bad)}
.timer{margin-top:16px;display:flex;flex-wrap:wrap;align-items:center;gap:6px 16px;padding:12px 14px;border-radius:8px;background:var(--accent-soft);border:1px solid var(--line)}
.timer .clock{font:600 28px/1 var(--mono);font-variant-numeric:tabular-nums;color:var(--accent)}
.timer.over .clock{color:var(--bad)}
section{padding-top:20px}

.login{max-width:420px;margin:56px auto 0;background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:24px}
.login h1{margin-bottom:4px}
.login form{display:grid;gap:14px;margin-top:20px}
.login label{display:grid;gap:5px;font-size:13px;color:var(--ink-2)}
select,input[type=text],input[type=number],input[type=password]{background:var(--surface);border:1px solid var(--line-strong);border-radius:6px;padding:7px 10px;min-height:38px;width:100%}
.btn{appearance:none;border:1px solid var(--line-strong);background:var(--surface);border-radius:6px;padding:7px 12px;min-height:38px;font-weight:500}
.btn.primary{background:var(--accent);border-color:var(--accent);color:var(--accent-ink)}
.btn.danger{color:var(--bad);border-color:color-mix(in srgb,var(--bad) 40%,var(--line-strong))}
.btn.small{min-height:30px;padding:4px 10px;font-size:13px;font-weight:400}
.btn:disabled{opacity:.5;cursor:default}

.voter-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;padding-bottom:14px;border-bottom:1px solid var(--line);font-size:13px}
.save-state{font-size:13px;color:var(--ink-3);margin-left:auto}

details.anchors{margin-top:14px;border:1px solid var(--line);border-radius:8px;background:var(--surface)}
details.anchors summary{cursor:pointer;padding:10px 14px;font-weight:500;list-style:none;display:flex;align-items:center;gap:8px}
details.anchors summary::-webkit-details-marker{display:none}
details.anchors summary::before{content:"";width:6px;height:6px;border-right:1.5px solid var(--ink-2);border-bottom:1.5px solid var(--ink-2);transform:rotate(-45deg)}
details.anchors[open] summary::before{transform:rotate(45deg)}
.anchor-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:12px 32px;padding:4px 14px 14px}
.anchor-grid ol{margin:6px 0 0;padding-left:0;list-style:none;display:grid;gap:4px;font-size:14px}
.anchor-grid li{display:grid;grid-template-columns:22px 1fr;gap:8px}
.anchor-grid li b{font-family:var(--mono);font-weight:500;color:var(--accent)}

.idea-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:10px 28px;align-items:center;padding:16px 0;border-bottom:1px solid var(--line)}
.idea-title{font-weight:500}
.idea-source{font-size:12px;color:var(--ink-2);margin-top:2px}
.scales{display:flex;flex-wrap:wrap;gap:10px 20px}
.scale{display:flex;align-items:center;gap:10px}
.scale-label{font-size:12px;color:var(--ink-2);width:44px;text-align:right;letter-spacing:.02em}
.seg{display:inline-flex;border:1px solid var(--line-strong);border-radius:6px;overflow:hidden;background:var(--surface)}
.seg button{appearance:none;border:0;border-right:1px solid var(--line);background:var(--surface);color:var(--ink-2);font:500 13px/1 var(--mono);width:38px;height:34px}
.seg button:last-child{border-right:0}
.seg button:hover{background:var(--accent-soft);color:var(--ink)}
.seg button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.seg button:disabled{opacity:.45;cursor:default;background:var(--surface);color:var(--ink-2)}
.seg button:focus-visible{outline:2px solid var(--accent);outline-offset:-2px}
.empty{padding:28px 0;color:var(--ink-2)}
.hidden-box{margin-top:20px;padding:28px 20px;border:1px dashed var(--line-strong);border-radius:10px;text-align:center;color:var(--ink-2)}
.hidden-box strong{display:block;color:var(--ink);font-size:17px;margin-bottom:6px}

.res-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;padding-bottom:12px;border-bottom:1px solid var(--line);font-size:13px}
.chart-wrap{position:relative;margin-top:20px;background:var(--surface);border:1px solid var(--line);border-radius:8px;padding:12px 8px 4px}
.chart-wrap>svg{display:block;width:100%;height:auto;max-width:100%}
.chart-legend{list-style:none;margin:8px 0 6px;padding:8px 8px 4px;border-top:1px solid var(--line);display:grid;grid-template-columns:repeat(auto-fill,minmax(210px,1fr));gap:2px 16px;font-size:12px}
.chart-legend li{display:grid;grid-template-columns:24px 1fr;gap:6px;align-items:baseline}
.chart-legend b{font-family:var(--mono);font-weight:700;color:var(--accent);text-align:right}
.chart-note{padding:0 8px 8px}
.tip{position:absolute;pointer-events:none;background:var(--ink);color:var(--page);font-size:12px;line-height:1.4;padding:6px 9px;border-radius:5px;max-width:260px;z-index:3}
.tip b{display:block;font-weight:600}
.tbl-wrap{overflow-x:auto;margin-top:16px}
table{border-collapse:collapse;width:100%;font-size:13px}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:11px;letter-spacing:.04em;text-transform:uppercase;color:var(--ink-3);font-weight:500}
td.idea-cell{min-width:14em}
td.num,th.num{text-align:right;font-family:var(--mono);font-variant-numeric:tabular-nums;white-space:nowrap}
tr.cut td{border-top:2px dashed var(--line-strong)}
td .sub{display:block;font-size:11px;color:var(--ink-3);font-family:var(--sans)}
tr.above td:first-child{color:var(--accent);font-weight:500}

.panel{display:grid;grid-template-columns:repeat(auto-fit,minmax(280px,1fr));gap:16px;margin-top:20px}
.card{background:var(--surface);border:1px solid var(--line);border-radius:10px;padding:16px}
.card h3{font-size:14px;margin-bottom:10px}
.card .row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:8px}
.card label.switch{display:flex;align-items:center;gap:10px;padding:6px 0}
.card input[type=number]{width:90px}
.stat-row{display:flex;flex-wrap:wrap;gap:6px 18px;font-size:14px}
.stat-row b{font-family:var(--mono);font-weight:500}
form.add{display:grid;grid-template-columns:minmax(0,2fr) minmax(0,2fr) auto;gap:10px;align-items:end}
form.add label{display:grid;gap:4px;font-size:13px;color:var(--ink-2)}
.manage-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:8px 20px;align-items:center;padding:12px 0;border-bottom:1px solid var(--line)}
.manage-row .acts{display:flex;gap:6px;flex-wrap:wrap}
.manage-row .edit{grid-column:1 / -1;display:grid;grid-template-columns:1fr 1fr auto;gap:8px}
.confirm{display:inline-flex;align-items:center;gap:6px;font-size:13px;flex-wrap:wrap}
.pill{display:inline-block;padding:1px 8px;border-radius:999px;font-size:12px;background:var(--accent-soft);color:var(--ink);margin:0 6px 6px 0}
.who.right{margin-left:auto}
.clock-lg{font-size:24px;font-weight:600}
.mt8{margin-top:8px}
.mt10{margin-top:10px}
.reset-row{display:flex;gap:10px;flex-wrap:wrap}

@media (max-width:900px){
  td .sub{display:none}
  td,th{padding:8px 6px}
}
@media (max-width:700px){
  .idea-row,.manage-row,form.add,.manage-row .edit{grid-template-columns:1fr}
  .tabs{margin-left:0;width:100%}
  .save-state{margin-left:0}
}
@media (prefers-reduced-motion:reduce){*{transition:none!important}}

/* ===== session chooser ===== */
.modes{display:grid;gap:8px}
.mode-opt{display:flex;gap:10px;align-items:flex-start;padding:10px 12px;border:1px solid var(--line-strong);border-radius:8px;cursor:pointer;color:var(--ink)}
.mode-opt input{margin-top:3px}
.mode-opt b{display:block;font-weight:600}
.mode-opt small{display:block;color:var(--ink-2);font-size:12px}
.mode-opt:has(input:checked){border-color:var(--accent);background:var(--accent-soft)}
.mode-grid{display:grid;gap:10px;margin-top:16px}
.mode-card{appearance:none;text-align:left;background:var(--surface);border:1px solid var(--line-strong);border-radius:10px;padding:14px;cursor:pointer;color:var(--ink);display:grid;gap:4px}
.mode-card b{font-size:15px}
.mode-card span{font-size:13px;color:var(--ink-2)}
.mode-card:hover{border-color:var(--accent);background:var(--accent-soft)}
.chooser-foot{margin-top:16px;display:flex;justify-content:flex-end}
@media (min-width:520px){.mode-grid{grid-template-columns:1fr 1fr}}

/* ===== product session ===== */
:root{--gold:#d39a00;--silver:#8d97a3;--bronze:#b3703a}
@media (prefers-color-scheme: dark){:root{--gold:#e5b331;--silver:#aab4be;--bronze:#cf8b52}}
.star{vertical-align:-3px;fill:currentColor;flex:none}
.star-gold{color:var(--gold)}
.star-silver{color:var(--silver)}
.star-bronze{color:var(--bronze)}
.budget{display:flex;flex-wrap:wrap;gap:6px 8px}
.chip-star{display:inline-flex;align-items:center;gap:5px;padding:3px 9px;border:1px solid var(--line-strong);border-radius:999px;background:var(--surface);font-size:12px;white-space:nowrap}
.chip-star.empty{opacity:.55}
.badge{display:inline-block;font-size:10px;letter-spacing:.05em;text-transform:uppercase;padding:1px 6px;border-radius:4px;font-weight:600;vertical-align:1px}
.badge-feature{background:var(--accent-soft);color:var(--accent)}
.badge-bug{background:color-mix(in srgb,var(--bad) 14%,var(--surface));color:var(--bad)}
.chip{display:inline-block;font-size:12px;padding:1px 8px;border-radius:999px;background:var(--grid);color:var(--ink-2);white-space:nowrap}
.ml6{margin-left:6px}
.feat-head{padding:14px 0 4px;font-size:13px;color:var(--ink-2)}
.feat-row{display:grid;grid-template-columns:auto minmax(0,1fr) auto;gap:6px 14px;align-items:center;padding:12px 8px;margin:0 -8px;border-bottom:1px solid var(--line);cursor:pointer;border-radius:6px}
.feat-row:hover{background:var(--surface)}
.feat-row:focus-visible{outline:2px solid var(--accent)}
.feat-row .rank{font-family:var(--mono);color:var(--accent);font-weight:600;min-width:20px;text-align:right}
.feat-row .rank:empty{min-width:0}
.feat-row .title{font-weight:500}
.feat-row .meta{display:flex;flex-wrap:wrap;gap:4px 10px;font-size:12px;color:var(--ink-2);margin-top:3px;align-items:center}
.feat-row .meta:empty{display:none}
.feat-row .mine{display:inline-flex;align-items:center;gap:5px;font-size:12px;color:var(--ink-2);white-space:nowrap}
.feat-row .score{display:flex;flex-direction:column;align-items:flex-end;gap:2px;white-space:nowrap}
.feat-row .score b{font-family:var(--mono);font-weight:600}
.medals{display:inline-flex;gap:8px;font-size:12px;color:var(--ink-2)}
.medals span{display:inline-flex;align-items:center;gap:3px;font-family:var(--mono)}
.feature-form{display:grid;grid-template-columns:1fr 1fr;gap:10px;padding:4px 14px 14px}
.feature-form label{display:grid;gap:4px;font-size:13px;color:var(--ink-2)}
.feature-form .wide{grid-column:1 / -1}
.feature-form.card-form{padding:14px;background:var(--surface);border:1px solid var(--line);border-radius:10px;margin-bottom:8px}
textarea{background:var(--surface);border:1px solid var(--line-strong);border-radius:6px;padding:7px 10px;width:100%;font:inherit;color:inherit;resize:vertical}
.sheet{position:fixed;inset:0;background:rgba(0,0,0,.45);display:flex;align-items:flex-end;justify-content:center;z-index:20;padding:16px}
.sheet-card{background:var(--surface);border:1px solid var(--line);border-radius:12px;width:min(640px,100%);max-height:88vh;overflow:auto;padding:18px 18px 20px}
.sheet-head{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.sheet-head h2{margin:0;flex:1 1 200px;font-size:16px}
.sheet-meta{display:flex;flex-wrap:wrap;gap:6px 14px;font-size:13px;color:var(--ink-2);margin-top:8px}
.sheet-meta a{color:var(--accent)}
.sheet-desc{margin-top:12px;white-space:pre-wrap}
.sheet-stars{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.star-btn{display:inline-flex;align-items:center;gap:6px;padding:8px 12px;border:1px solid var(--line-strong);border-radius:8px;background:var(--surface);font-weight:500}
.star-btn[aria-pressed="true"]{border-color:var(--accent);background:var(--accent-soft)}
.star-btn:disabled{opacity:.5;cursor:default}
.star-btn small{font-weight:400;color:var(--ink-2)}
.sheet-result{margin-top:14px;padding-top:12px;border-top:1px solid var(--line);font-size:13px;display:flex;flex-wrap:wrap;gap:6px 10px;align-items:center}
@media (min-width:700px){.sheet{align-items:center}}

/* ===== admin ===== */
.seg-mode{display:inline-flex;border:1px solid var(--line-strong);border-radius:8px;overflow:hidden;margin-top:16px}
.seg-mode button{appearance:none;border:0;background:var(--surface);padding:8px 14px;font-weight:500;color:var(--ink-2);cursor:pointer}
.seg-mode button[aria-pressed="true"]{background:var(--accent);color:var(--accent-ink)}
.stars-grid{display:grid;grid-template-columns:auto 1fr 1fr;gap:6px 10px;align-items:center;font-size:13px}
.stars-grid input{width:100%}
.extract-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.extract-row select{width:auto;min-width:220px}
.manage-row .edit.feature-edit{grid-template-columns:1fr 1fr;gap:8px}
.manage-row .edit.feature-edit textarea{grid-column:1 / -1}
.bars{display:block;width:100%;height:auto}
.bar-legend{display:flex;flex-wrap:wrap;gap:6px 18px;padding:8px 8px 6px;border-top:1px solid var(--line);margin-top:6px;font-size:12px;color:var(--ink-2)}
.bar-legend span{display:inline-flex;align-items:center;gap:5px}
.bar-legend .star,.medals .star,.chip-star .star,th .star{width:12px;height:12px}
@media (max-width:700px){
  .feature-form{grid-template-columns:1fr}
  .feat-row{grid-template-columns:auto minmax(0,1fr)}
  .feat-row .mine,.feat-row .score{grid-column:2;align-items:flex-start}
  .manage-row .edit.feature-edit{grid-template-columns:1fr}
}

/* ===== idea details ===== */
.idea-details{margin:6px 0 0;padding-left:18px;font-size:12.5px;color:var(--ink-2);display:grid;gap:2px;max-width:60ch}
.idea-source .owners{color:var(--ink);font-weight:500}