:root{
  --uc-ink:#24314a;
  --uc-muted:#667085;
  --uc-paper:#fffdf8;
  --uc-line:#36435e;
  --uc-blue:#2864d7;
  --uc-blue-dark:#163f9b;
  --uc-blue-soft:#e5efff;
  --uc-coral:#ef665c;
  --uc-coral-dark:#a93435;
  --uc-coral-soft:#ffe9e4;
  --uc-green:#15986d;
  --uc-sun:#f0a51a;
  --uc-shadow:0 20px 55px rgba(42,52,76,.14);
}

*{box-sizing:border-box}
html,body{margin:0;min-height:100%;background:#edf4fb;color:var(--uc-ink);font-family:"Atkinson Hyperlegible Next","Segoe UI",sans-serif}
button,input,select,textarea{font:inherit}
button,a{-webkit-tap-highlight-color:transparent}
.is-hidden{display:none !important}

.uc-shell{width:100%}
.uc-stage{
  position:relative;
  width:100%;
  min-height:690px;
  aspect-ratio:auto !important;
  overflow:hidden;
  border-radius:24px;
  background:
    radial-gradient(circle at 8% 8%,rgba(255,255,255,.95) 0 4%,transparent 18%),
    radial-gradient(circle at 92% 2%,rgba(255,226,135,.42),transparent 24%),
    linear-gradient(145deg,#f6fbff 0%,#eef7f4 56%,#fff6e8 100%);
  box-shadow:inset 0 0 0 1px rgba(62,82,112,.08);
}

.uc-titlebar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:22px 26px 12px;
}
.uc-kicker,.uc-modal-kicker{
  display:block;
  color:#58708f;
  font-size:12px;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
}
.uc-titlebar h1{margin:2px 0 0;font-size:clamp(27px,3vw,40px);line-height:1}
.uc-title-actions{display:flex;gap:8px;flex-wrap:wrap;justify-content:flex-end}
.uc-icon-button,.uc-back-button,.uc-primary-button,.uc-link-button{
  min-height:42px;
  border:0;
  border-radius:13px;
  padding:10px 15px;
  cursor:pointer;
  font-weight:800;
  text-decoration:none;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease;
}
.uc-icon-button,.uc-back-button{background:#fff;color:var(--uc-ink);box-shadow:0 7px 18px rgba(48,62,87,.1)}
.uc-primary-button,.uc-link-button{display:inline-flex;align-items:center;justify-content:center;background:var(--uc-blue);color:#fff;box-shadow:0 9px 20px rgba(40,100,215,.25)}
.uc-icon-button:hover,.uc-back-button:hover,.uc-primary-button:hover,.uc-link-button:hover{transform:translateY(-2px)}
.uc-icon-button:focus-visible,.uc-back-button:focus-visible,.uc-primary-button:focus-visible,.uc-link-button:focus-visible{outline:3px solid rgba(40,100,215,.3);outline-offset:3px}

.uc-game-layout{
  display:grid;
  grid-template-columns:minmax(420px,1.45fr) minmax(280px,.75fr);
  gap:20px;
  padding:8px 26px 26px;
}
.uc-board-card,.uc-guide-card{
  border:1px solid rgba(56,70,96,.11);
  border-radius:24px;
  background:rgba(255,255,255,.84);
  box-shadow:var(--uc-shadow);
  backdrop-filter:blur(7px);
}
.uc-board-card{padding:18px}
.uc-guide-card{align-self:start;padding:23px}

.uc-player-strip{
  display:grid;
  grid-template-columns:1fr auto 1fr;
  align-items:center;
  gap:10px;
  max-width:610px;
  margin:0 auto 8px;
}
.uc-player-card{
  display:grid;
  grid-template-columns:auto 1fr auto;
  align-items:center;
  gap:9px;
  min-width:0;
  border:2px solid transparent;
  border-radius:16px;
  padding:10px 12px;
  background:#f7f9fc;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.uc-player-card.is-turn{transform:translateY(-2px);box-shadow:0 9px 20px rgba(42,56,86,.13)}
.uc-player-card.is-blue.is-turn{border-color:var(--uc-blue);background:var(--uc-blue-soft)}
.uc-player-card.is-coral.is-turn{border-color:var(--uc-coral);background:var(--uc-coral-soft)}
.uc-player-card small{display:block;color:var(--uc-muted);font-size:11px;font-weight:700}
.uc-player-card strong{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;font-size:16px}
.uc-player-stone,.uc-mini-stone{
  display:inline-block;
  border-radius:50%;
  box-shadow:inset -4px -5px 8px rgba(0,0,0,.18),inset 3px 3px 5px rgba(255,255,255,.45);
}
.uc-player-stone{width:30px;height:30px}
.uc-player-card.is-blue .uc-player-stone,.uc-mini-stone.is-blue{background:linear-gradient(145deg,#4f92ff,var(--uc-blue-dark))}
.uc-player-card.is-coral .uc-player-stone,.uc-mini-stone.is-coral{background:linear-gradient(145deg,#ff9583,var(--uc-coral-dark))}
.uc-turn-badge{
  visibility:hidden;
  border-radius:999px;
  padding:4px 7px;
  background:#fff;
  font-size:10px;
  font-weight:900;
  white-space:nowrap;
}
.uc-player-card.is-turn .uc-turn-badge{visibility:visible}
.uc-versus{color:#8a97aa;font-size:22px;font-weight:900}

.uc-board{
  position:relative;
  width:min(100%,570px);
  aspect-ratio:1;
  margin:0 auto;
  border:1px solid rgba(63,76,99,.13);
  border-radius:26px;
  background:
    linear-gradient(115deg,rgba(255,255,255,.65),transparent 40%),
    repeating-linear-gradient(7deg,rgba(126,84,48,.025) 0 2px,transparent 2px 8px),
    #f4dfbb;
  box-shadow:inset 0 0 32px rgba(101,72,42,.1),0 12px 28px rgba(62,69,86,.12);
  touch-action:manipulation;
  user-select:none;
}
.uc-board-lines{position:absolute;inset:0;width:100%;height:100%;overflow:visible}
.uc-board-lines path{
  fill:none;
  stroke:var(--uc-line);
  stroke-width:2.8;
  stroke-linecap:round;
  stroke-linejoin:round;
  filter:drop-shadow(0 1px 0 rgba(255,255,255,.55));
}
.uc-point{
  position:absolute;
  z-index:2;
  width:clamp(44px,10.5%,66px);
  aspect-ratio:1;
  transform:translate(-50%,-50%);
  border:0;
  border-radius:50%;
  background:transparent;
  cursor:pointer;
}
.uc-point::before{
  content:"";
  position:absolute;
  left:50%;
  top:50%;
  width:13px;
  height:13px;
  transform:translate(-50%,-50%);
  border:3px solid #3c4860;
  border-radius:50%;
  background:#fff7e6;
  transition:width .16s ease,height .16s ease,box-shadow .16s ease,background .16s ease;
}
.uc-point span{
  position:absolute;
  inset:3px;
  border-radius:50%;
  opacity:0;
  transform:scale(.45);
  box-shadow:inset -8px -9px 13px rgba(0,0,0,.2),inset 5px 5px 9px rgba(255,255,255,.42),0 8px 12px rgba(32,42,62,.2);
  transition:opacity .2s ease,transform .2s cubic-bezier(.2,.75,.2,1.25),box-shadow .2s ease;
}
.uc-point.is-player-one span{opacity:1;transform:scale(1);background:linear-gradient(145deg,#61a0ff 5%,var(--uc-blue) 48%,var(--uc-blue-dark))}
.uc-point.is-player-two span{opacity:1;transform:scale(1);background:linear-gradient(145deg,#ffa08e 5%,var(--uc-coral) 48%,var(--uc-coral-dark))}
.uc-point.is-player-one::before,.uc-point.is-player-two::before{opacity:0}
.uc-point:hover::before,.uc-point:focus-visible::before{width:20px;height:20px;background:#fff;box-shadow:0 0 0 8px rgba(255,255,255,.45)}
.uc-point:focus-visible{outline:3px solid rgba(40,100,215,.45);outline-offset:3px}
.uc-point.is-selected span{box-shadow:inset -8px -9px 13px rgba(0,0,0,.2),inset 5px 5px 9px rgba(255,255,255,.42),0 0 0 7px #fff,0 0 0 11px var(--uc-sun),0 12px 18px rgba(32,42,62,.22)}
.uc-point.is-legal::before{width:20px;height:20px;border-color:var(--uc-green);background:#c9f7df;box-shadow:0 0 0 9px rgba(21,152,109,.13)}
.uc-point.is-last span{animation:uc-last-move .7s ease}
.uc-point.is-winning span{animation:uc-win-pulse .8s ease-in-out infinite alternate;box-shadow:inset -8px -9px 13px rgba(0,0,0,.2),inset 5px 5px 9px rgba(255,255,255,.42),0 0 0 7px #fff,0 0 0 12px #f2bd31,0 12px 22px rgba(32,42,62,.25)}
.uc-point:disabled{cursor:default}
.uc-point--0{left:14%;top:14%}.uc-point--1{left:50%;top:14%}.uc-point--2{left:86%;top:14%}
.uc-point--3{left:14%;top:50%}.uc-point--4{left:50%;top:50%}.uc-point--5{left:86%;top:50%}
.uc-point--6{left:14%;top:86%}.uc-point--7{left:50%;top:86%}.uc-point--8{left:86%;top:86%}
@keyframes uc-last-move{0%{transform:scale(.45)}65%{transform:scale(1.15)}100%{transform:scale(1)}}
@keyframes uc-win-pulse{from{transform:scale(.96)}to{transform:scale(1.06)}}

.uc-thinking{
  position:absolute;
  z-index:4;
  left:50%;
  bottom:4%;
  transform:translateX(-50%);
  border-radius:999px;
  padding:8px 13px;
  background:rgba(36,49,74,.9);
  color:#fff;
  font-size:13px;
  font-weight:800;
  box-shadow:0 7px 18px rgba(36,49,74,.25);
}
.uc-board-caption{display:flex;justify-content:space-between;gap:10px;max-width:570px;margin:11px auto 0;color:#5e6a7c;font-size:13px;font-weight:700}
.uc-board-caption span{display:flex;align-items:center;gap:5px}
.uc-mini-stone{width:17px;height:17px}

.uc-phase-badge{
  display:inline-flex;
  align-items:center;
  min-height:30px;
  border-radius:999px;
  padding:6px 11px;
  background:#e9f0fb;
  color:#31517f;
  font-size:12px;
  font-weight:900;
}
.uc-guide-card h2{margin:14px 0 7px;font-size:clamp(22px,2.4vw,30px);line-height:1.1}
.uc-status{min-height:48px;margin:0;color:#4c596c;font-size:16px;line-height:1.45}
.uc-hint{margin:14px 0 18px;border-left:4px solid var(--uc-green);border-radius:0 13px 13px 0;padding:12px 13px;background:#eaf8f2;color:#245b4a;font-size:14px;line-height:1.4}
.uc-hint.is-warning{border-left-color:var(--uc-sun);background:#fff6dc;color:#72521a;animation:uc-hint-shake .28s ease}
@keyframes uc-hint-shake{25%{transform:translateX(-3px)}75%{transform:translateX(3px)}}
.uc-steps{display:grid;gap:9px;margin:0;padding:0;list-style:none}
.uc-steps li{display:grid;grid-template-columns:35px 1fr;align-items:center;gap:10px;border:1px solid #e1e6ee;border-radius:14px;padding:10px;background:#fafbfc;color:#7b8492;transition:border-color .2s ease,background .2s ease,color .2s ease}
.uc-steps li>span{display:grid;place-items:center;width:31px;height:31px;border-radius:50%;background:#e9edf3;font-weight:900}
.uc-steps strong,.uc-steps small{display:block}
.uc-steps small{margin-top:2px;font-size:12px;line-height:1.25}
.uc-steps li.is-active{border-color:#94b6ee;background:var(--uc-blue-soft);color:#274a83}
.uc-steps li.is-active>span{background:var(--uc-blue);color:#fff}
.uc-steps li.is-done{border-color:#a8dfca;background:#edf9f4;color:#27614e}
.uc-steps li.is-done>span{background:var(--uc-green);color:#fff}
.uc-rules{margin-top:17px;border-top:1px solid #e4e8ee;padding-top:13px}
.uc-rules summary{cursor:pointer;font-weight:800;color:#40516c}
.uc-rules p{margin:10px 0 0;color:#5a6678;font-size:13px;line-height:1.45}

.uc-overlay{
  position:absolute;
  z-index:20;
  inset:0;
  display:none;
  place-items:center;
  overflow:auto;
  padding:24px;
  background:rgba(230,240,247,.88);
  backdrop-filter:blur(10px);
}
.uc-overlay.show{display:grid}
.uc-modal{
  width:min(100%,520px);
  border:1px solid rgba(51,66,93,.12);
  border-radius:26px;
  padding:27px;
  background:#fff;
  box-shadow:0 26px 70px rgba(41,53,77,.2);
}
.uc-modal--wide{width:min(100%,850px)}
.uc-modal h2{margin:5px 0 20px;font-size:clamp(25px,3vw,36px)}
.uc-mode-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:13px}
.uc-mode-card{
  min-height:195px;
  border:2px solid transparent;
  border-radius:20px;
  padding:20px 16px;
  background:#f6f8fb;
  color:var(--uc-ink);
  text-align:left;
  cursor:pointer;
  transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.uc-mode-card:hover,.uc-mode-card:focus-visible{transform:translateY(-5px);box-shadow:0 16px 30px rgba(42,55,83,.14)}
.uc-mode-card:focus-visible{outline:3px solid rgba(40,100,215,.3);outline-offset:3px}
.uc-mode-card.is-green{background:#e8f8f1;border-color:#a8dfca}
.uc-mode-card.is-sun{background:#fff5d9;border-color:#f5d485}
.uc-mode-card.is-blue{background:#e9f1ff;border-color:#aec8f3}
.uc-mode-icon{display:grid;place-items:center;width:48px;height:48px;margin-bottom:18px;border-radius:16px;background:#fff;font-size:25px;box-shadow:0 8px 18px rgba(45,59,84,.1)}
.uc-mode-card strong,.uc-mode-card small{display:block}
.uc-mode-card strong{font-size:18px;line-height:1.2}
.uc-mode-card small{margin-top:7px;color:#5f6d80;line-height:1.35}
.uc-choice-list{display:grid;gap:10px}
.uc-choice-list button{
  display:grid;
  gap:3px;
  border:2px solid #e0e6ef;
  border-radius:16px;
  padding:14px 16px;
  background:#f9fafc;
  color:var(--uc-ink);
  text-align:left;
  cursor:pointer;
}
.uc-choice-list button:hover,.uc-choice-list button:focus-visible{border-color:var(--uc-blue);background:var(--uc-blue-soft);outline:none}
.uc-choice-list button small{color:#647187}
.uc-modal>.uc-back-button{margin-top:16px}
.uc-online-list{display:grid;gap:9px}
.uc-online-game{
  display:grid;
  grid-template-columns:1fr auto;
  gap:5px 12px;
  align-items:center;
  border:2px solid #e1e7ef;
  border-radius:15px;
  padding:13px 14px;
  background:#fafbfd;
  color:var(--uc-ink);
  text-align:left;
  cursor:pointer;
}
.uc-online-game:hover,.uc-online-game:focus-visible{border-color:var(--uc-blue);background:var(--uc-blue-soft);outline:none}
.uc-online-game strong,.uc-online-game small{display:block}
.uc-online-game small{color:#687488}
.uc-online-game em{grid-row:1/3;grid-column:2;font-style:normal;font-size:20px}
.uc-online-empty{border:1px dashed #cbd4e1;border-radius:15px;padding:17px;background:#fafbfd;color:#627087;line-height:1.45}
.uc-online-actions,.uc-result-actions{display:flex;gap:10px;justify-content:flex-end;margin-top:18px}
.uc-result-modal{text-align:center}
.uc-result-icon{display:grid;place-items:center;width:76px;height:76px;margin:0 auto 14px;border-radius:50%;background:#fff3c5;color:#d28d00;font-size:40px;box-shadow:0 12px 25px rgba(210,141,0,.17)}
.uc-result-modal h2{margin-bottom:8px}
.uc-result-modal p{margin:0;color:#617087;font-size:16px;line-height:1.45}
.uc-result-actions{justify-content:center}

@media (max-width:900px){
  .uc-stage{min-height:980px}
  .uc-game-layout{grid-template-columns:1fr}
  .uc-guide-card{width:100%}
  .uc-board{width:min(100%,530px)}
  .uc-mode-grid{grid-template-columns:1fr}
  .uc-mode-card{min-height:0;display:grid;grid-template-columns:auto 1fr;column-gap:14px}
  .uc-mode-icon{grid-row:1/3;margin:0}
}
@media (max-width:600px){
  .uc-stage{min-height:920px;border-radius:17px}
  .uc-titlebar{align-items:flex-start;padding:16px 13px 9px}
  .uc-title-actions{max-width:58%}
  .uc-icon-button{min-height:38px;padding:8px 10px;font-size:12px}
  .uc-game-layout{gap:12px;padding:5px 10px 14px}
  .uc-board-card,.uc-guide-card{border-radius:18px}
  .uc-board-card{padding:10px}
  .uc-guide-card{padding:17px}
  .uc-player-card{grid-template-columns:auto 1fr;padding:8px}
  .uc-player-card .uc-turn-badge{grid-column:1/3;text-align:center;padding:2px 6px}
  .uc-player-stone{width:24px;height:24px}
  .uc-player-card strong{font-size:14px}
  .uc-board{border-radius:19px}
  .uc-board-caption{font-size:12px}
  .uc-overlay{align-items:start;padding:14px 10px}
  .uc-modal{margin:auto 0;padding:20px;border-radius:21px}
  .uc-online-actions,.uc-result-actions{flex-direction:column-reverse}
  .uc-online-actions>*,
  .uc-result-actions>*{width:100%}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{scroll-behavior:auto !important;animation-duration:.01ms !important;animation-iteration-count:1 !important;transition-duration:.01ms !important}
}