:root{
  --bg:#F7F6F3;--surface:#FFFFFF;--border:#EAEAEA;--text:#111111;--text-muted:#62615E;
  --btn:#111111;--btn-text:#F7F6F3;--btn-hover:#333333;
  --green:#EDF3EC;--green-t:#2F5B36;--amber:#FBF3DB;--amber-t:#6B5310;--blue:#E1F3FE;--blue-t:#1D4E6B;
  --serif:'Instrument Serif',Georgia,serif;
  --sans:-apple-system,BlinkMacSystemFont,'Segoe UI',Helvetica,Arial,sans-serif;
  --mono:'SF Mono','JetBrains Mono',Monaco,Consolas,monospace;
  --spring:cubic-bezier(0.23,1,0.32,1);
  color-scheme:light;
}
@media (prefers-color-scheme:dark){:root{
  --bg:#15140F;--surface:#1C1B17;--border:#302E27;--text:#F2F1EC;--text-muted:#9A988F;
  --btn:#F2F1EC;--btn-text:#15140F;--btn-hover:#D6D4CC;
  --green:#16241A;--green-t:#8FCB9A;--amber:#2A2210;--amber-t:#E4C874;--blue:#12293A;--blue-t:#8FD1F5;color-scheme:dark}}
:root[data-theme="dark"]{
  --bg:#15140F;--surface:#1C1B17;--border:#302E27;--text:#F2F1EC;--text-muted:#9A988F;
  --btn:#F2F1EC;--btn-text:#15140F;--btn-hover:#D6D4CC;
  --green:#16241A;--green-t:#8FCB9A;--amber:#2A2210;--amber-t:#E4C874;--blue:#12293A;--blue-t:#8FD1F5;color-scheme:dark}
:root[data-theme="light"]{
  --bg:#F7F6F3;--surface:#FFFFFF;--border:#EAEAEA;--text:#111111;--text-muted:#62615E;
  --btn:#111111;--btn-text:#F7F6F3;--btn-hover:#333333;
  --green:#EDF3EC;--green-t:#2F5B36;--amber:#FBF3DB;--amber-t:#6B5310;--blue:#E1F3FE;--blue-t:#1D4E6B;color-scheme:light}

*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--text);font:400 16px/1.6 var(--sans);min-height:100dvh;
  display:flex;flex-direction:column;-webkit-tap-highlight-color:transparent;
  transition:background-color 200ms var(--spring),color 200ms var(--spring)}
button,input{font:inherit;color:inherit}
button{cursor:pointer}
:focus-visible{outline:2px solid var(--text);outline-offset:2px}

/* Header */
.bar{display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:calc(12px + env(safe-area-inset-top)) 20px 12px;border-bottom:1px solid var(--border);
  max-width:640px;width:100%;margin:0 auto}
.brand{background:none;border:0;padding:6px 0;font:400 1.6rem/1 var(--serif);letter-spacing:-0.02em}
.brand em{font-style:italic}
.bar-right{display:flex;align-items:center;gap:14px}
.label{font:650 11px/1.2 var(--mono);letter-spacing:.05em;text-transform:uppercase;color:var(--text-muted)}

/* Theme toggle */
.toggle{width:44px;height:24px;border-radius:999px;border:1px solid var(--border);background:var(--surface);
  position:relative;padding:0;flex:none}
.toggle::before{content:"";position:absolute;inset:-10px}
.toggle .thumb{position:absolute;top:2px;left:3px;width:18px;height:18px;border-radius:50%;background:var(--text);
  display:grid;place-items:center;transition:transform 200ms var(--spring)}
.toggle .thumb svg{width:12px;height:12px;stroke:var(--bg);fill:none;stroke-width:2;position:absolute;transition:opacity 200ms var(--spring)}
.toggle .moon{opacity:0}
.toggle[aria-checked="true"] .thumb{transform:translateX(19px)}
.toggle[aria-checked="true"] .sun{opacity:0}
.toggle[aria-checked="true"] .moon{opacity:1}

/* Layout */
main{flex:1;width:100%;max-width:640px;margin:0 auto;padding:24px 20px calc(32px + env(safe-area-inset-bottom));
  display:flex;flex-direction:column}
.screen{display:flex;flex-direction:column;gap:20px;flex:1;animation:enter 320ms var(--spring) both}
.screen.center{justify-content:center;text-align:center}
@keyframes enter{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.display{font:400 clamp(2.5rem,11vw,4.5rem)/1.05 var(--serif);letter-spacing:-0.03em;margin:0}
.display em{font-style:italic}
h2{font:400 2.1rem/1.15 var(--serif);letter-spacing:-0.02em;margin:0}
h2 em{font-style:italic}
h3{font-weight:600;font-size:1.05rem;line-height:1.3;margin:0}
p{margin:0}
.muted{color:var(--text-muted)}
.lead{font-size:1.05rem;color:var(--text-muted);max-width:65ch}
.stack{display:flex;flex-direction:column;gap:10px}
.row{display:flex;gap:10px;align-items:center}
.grow{flex:1}
.spacer{flex:1}

/* Cards */
.card{background:var(--surface);border:1px solid var(--border);border-radius:12px;padding:18px}
.card-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;margin-bottom:12px}

/* Buttons */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:56px;padding:14px 24px;
  border-radius:4px;border:1px solid var(--btn);background:var(--btn);color:var(--btn-text);font-weight:600;font-size:1.05rem;
  transition:background-color 160ms var(--spring),border-color 160ms var(--spring),transform 160ms var(--spring);
  touch-action:manipulation;user-select:none;-webkit-user-select:none}
.btn:hover{background:var(--btn-hover);border-color:var(--btn-hover)}
.btn:active,.chip:active,.seg button:active,.vote:active,.icon-btn:active,.reveal:active{transform:scale(0.97)}
.btn.block{width:100%}
.btn.ghost{background:transparent;color:var(--text);border-color:var(--border)}
.btn.ghost:hover{background:var(--surface);border-color:var(--text-muted)}
.btn:disabled{opacity:.4;pointer-events:none}
.btn-row{display:flex;gap:10px}
.btn-row .btn{flex:1}
.icon-btn{width:48px;height:48px;flex:none;border-radius:4px;border:1px solid var(--border);background:transparent;
  display:grid;place-items:center;transition:border-color 160ms var(--spring),transform 160ms var(--spring)}
.icon-btn:hover{border-color:var(--text-muted)}
.icon-btn svg{width:18px;height:18px;stroke:currentColor;fill:none;stroke-width:2;stroke-linecap:round}
.icon-btn:disabled{opacity:.3;pointer-events:none}
.link{background:none;border:0;padding:10px 0;color:var(--text-muted);text-decoration:underline;text-underline-offset:3px;font-size:.95rem}

/* Inputs */
.field{flex:1;min-width:0;min-height:48px;padding:10px 14px;border-radius:4px;border:1px solid var(--border);
  background:var(--bg);font-size:1.05rem;transition:border-color 160ms var(--spring)}
.field:focus{outline:none;border-color:var(--text)}
.num{font:650 12px/1 var(--mono);color:var(--text-muted);width:22px;text-align:right;flex:none}

/* Segmented control */
.seg{display:grid;grid-auto-flow:column;grid-auto-columns:1fr;border:1px solid var(--border);border-radius:4px;overflow:hidden}
.seg button{min-height:48px;border:0;border-left:1px solid var(--border);background:transparent;font-weight:600;
  transition:background-color 160ms var(--spring),color 160ms var(--spring)}
.seg button:first-child{border-left:0}
.seg button[aria-pressed="true"]{background:var(--btn);color:var(--btn-text)}

/* Chips */
.chips{display:flex;flex-wrap:wrap;gap:8px}
.chip{min-height:44px;padding:8px 16px;border-radius:999px;border:1px solid var(--border);background:transparent;
  font-size:.95rem;display:inline-flex;align-items:center;gap:8px;transition:all 160ms var(--spring)}
.chip .n{font:650 11px/1 var(--mono);color:var(--text-muted)}
.chip[aria-pressed="true"]{background:var(--btn);color:var(--btn-text);border-color:var(--btn)}
.chip[aria-pressed="true"] .n{color:inherit;opacity:.7}

/* Badges */
.badge{display:inline-block;font:650 11px/1 var(--mono);letter-spacing:.05em;text-transform:uppercase;
  padding:6px 10px;border-radius:999px;background:var(--surface);border:1px solid var(--border);color:var(--text-muted)}
.badge.green{background:var(--green);color:var(--green-t);border-color:transparent}
.badge.amber{background:var(--amber);color:var(--amber-t);border-color:transparent}
.badge.blue{background:var(--blue);color:var(--blue-t);border-color:transparent}

/* Reveal */
.reveal{width:100%;min-height:300px;border-radius:12px;border:1px solid var(--border);background:var(--surface);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;padding:28px;text-align:center;
  transition:transform 160ms var(--spring),border-color 200ms var(--spring);user-select:none;-webkit-user-select:none}
.reveal:hover{border-color:var(--text-muted)}
.reveal .word{font:400 clamp(2.8rem,13vw,4.5rem)/1.05 var(--serif);letter-spacing:-0.02em;overflow-wrap:anywhere;
  animation:enter 260ms var(--spring) both}
.reveal .eye{width:40px;height:40px;stroke:var(--text-muted);fill:none;stroke-width:1.5}
.dots{display:flex;gap:6px;justify-content:center;flex-wrap:wrap}
.dots i{width:8px;height:8px;border-radius:50%;border:1px solid var(--text-muted)}
.dots i.on{background:var(--text);border-color:var(--text)}

/* Timer */
.timer{font:400 clamp(4.5rem,24vw,7rem)/1 var(--serif);letter-spacing:-0.03em;font-variant-numeric:tabular-nums;text-align:center}
.timer.done{color:var(--text-muted)}
.bar-track{height:2px;background:var(--border);border-radius:2px;overflow:hidden}
.bar-fill{height:100%;background:var(--text);transform-origin:left;transition:transform 1s linear}

/* Vote list */
.votes{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.vote{min-height:64px;padding:12px;border-radius:8px;border:1px solid var(--border);background:var(--surface);
  font-weight:600;font-size:1.05rem;overflow-wrap:anywhere;transition:all 160ms var(--spring)}
.vote:hover{border-color:var(--text-muted)}
.vote[aria-pressed="true"]{background:var(--btn);color:var(--btn-text);border-color:var(--btn)}

/* Results */
.words{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.words .card{text-align:center;padding:16px 12px}
.words .w{font:400 2rem/1.1 var(--serif);margin-top:8px;overflow-wrap:anywhere}
.table{list-style:none;margin:0;padding:0;border:1px solid var(--border);border-radius:12px;background:var(--surface);overflow:hidden}
.table li{display:flex;align-items:center;gap:12px;padding:14px 16px;border-top:1px solid var(--border)}
.table li:first-child{border-top:0}
.table .rk{font:650 12px/1 var(--mono);color:var(--text-muted);width:22px}
.table .nm{flex:1;font-weight:600;overflow-wrap:anywhere}
.table .pts{font:400 1.6rem/1 var(--serif);font-variant-numeric:tabular-nums}
.table .delta{font:650 11px/1 var(--mono);color:var(--green-t);background:var(--green);padding:4px 7px;border-radius:999px}
.table .vc{font:650 11px/1 var(--mono);color:var(--text-muted)}
.winner{font-style:italic}

details.rules{border:1px solid var(--border);border-radius:12px;background:var(--surface);padding:0 18px}
details.rules summary{min-height:52px;display:flex;align-items:center;font-weight:600;cursor:pointer;list-style:none}
details.rules summary::-webkit-details-marker{display:none}
details.rules summary::after{content:"+";margin-left:auto;font:400 1.4rem/1 var(--mono);color:var(--text-muted)}
details.rules[open] summary::after{content:"\2212"}
details.rules ol{margin:0 0 16px;padding-left:20px;color:var(--text-muted)}
details.rules li{margin:4px 0}

.foot{margin-top:28px;text-align:center;font-size:.85rem;color:var(--text-muted)}
.foot a{color:inherit}
.err{color:var(--amber-t);background:var(--amber);border-radius:8px;padding:10px 14px;font-size:.95rem}

/* Modal */
.modal{position:fixed;inset:0;background:rgba(17,17,17,.45);display:flex;align-items:flex-end;justify-content:center;padding:16px;z-index:10;
  animation:fade 200ms var(--spring) both}
.modal .card{width:100%;max-width:480px;display:flex;flex-direction:column;gap:14px;padding:22px;animation:enter 260ms var(--spring) both}
@keyframes fade{from{opacity:0}to{opacity:1}}
@media (min-width:600px){.modal{align-items:center}}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:1ms !important;animation-iteration-count:1 !important;transition-duration:1ms !important;scroll-behavior:auto !important}
  .btn:active,.chip:active,.seg button:active,.vote:active,.icon-btn:active,.reveal:active{transform:none}
}