/* Moss Beacon Trailheads — japanese-minimal: warm paper, sumi ink, vermillion seal, moss greens. System fonts only. */
:root{
  --paper:#f4efe3;
  --paper-2:#ece4d1;
  --ink:#1c1b17;
  --ink-soft:rgba(28,27,23,.62);
  --ink-faint:rgba(28,27,23,.34);
  --rule:rgba(28,27,23,.16);
  --vermillion:#c73e1d;
  --moss-deep:#3d5a3a;
  --moss:#6a8f5f;
  --moss-glow:#9cc184;
  --fog:#b9bcb2;
  --stone:#e3dac4;
  --card:#faf6ec;
  --scroll:0;
  --serif:"Hiragino Mincho ProN","Yu Mincho","YuMincho","MS Mincho",Georgia,"Times New Roman",serif;
  --sans:system-ui,-apple-system,"Hiragino Kaku Gothic ProN","Yu Gothic",Meiryo,sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--paper);color:var(--ink);
  font-family:var(--sans);font-size:16px;line-height:1.7;
  background-image:radial-gradient(rgba(28,27,23,.05) 1px,transparent 1px);
  background-size:22px 22px;
}
::selection{background:var(--moss-glow)}

/* scroll thread */
.scroll-thread{position:fixed;top:0;left:0;right:0;height:3px;z-index:50;background:rgba(28,27,23,.08)}
.scroll-thread span{display:block;height:100%;width:100%;background:var(--vermillion);transform-origin:0 50%;transform:scaleX(0)}

.topbar{
  position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:12px;
  padding:10px 18px;background:rgba(244,239,227,.9);backdrop-filter:blur(6px);
  border-bottom:1px solid var(--rule);font-size:13px;letter-spacing:.04em;
}
.brand{font-weight:650}
.hanko-mini{background:var(--vermillion);color:#faf6ec;border-radius:3px;padding:1px 7px;margin-right:6px;font-family:var(--serif)}
.top-mid{margin-left:auto;color:var(--ink-soft);font-variant-numeric:tabular-nums}
.enso-wrap{display:grid;place-items:center}

#app{max-width:1080px;margin:0 auto;padding:0 22px 40px;position:relative}

/* hero */
.hero{padding:72px 0 34px;max-width:640px;transform:translateY(calc(var(--scroll) * -26px))}
.kicker{letter-spacing:.28em;font-size:12px;color:var(--ink-soft);margin:0 0 14px}
h1{font-family:var(--serif);font-weight:600;font-size:clamp(44px,8vw,84px);line-height:1.04;margin:0 0 16px;letter-spacing:.01em}
.kanji-hero{color:var(--moss-deep)}
.sub{font-size:18px;color:var(--ink-soft);margin:0 0 18px;max-width:52ch}
.hero-meta{display:flex;gap:18px;flex-wrap:wrap;border-top:1px solid var(--rule);border-bottom:1px solid var(--rule);padding:10px 0;font-size:14px;color:var(--ink-soft)}
.wind-line{font-size:13px;color:var(--ink-soft)}
#windReadout{color:var(--vermillion);font-weight:650}

/* game layout */
.game-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:26px;align-items:start;margin-top:10px}
.board-col{min-width:0}
.board-frame{
  background:var(--card);border:1px solid var(--rule);border-radius:6px;
  box-shadow:0 18px 50px -30px rgba(28,27,23,.45);
  padding:14px;position:relative;overflow:hidden;
  transform:perspective(1400px) rotateX(calc(var(--scroll) * 4deg));
  transition:transform .25s ease-out;
}
.board-frame::before{content:"";position:absolute;inset:0 0 auto 0;height:6px;background:linear-gradient(90deg,var(--moss-deep),var(--moss),var(--vermillion));opacity:.85}
.board-head{display:flex;justify-content:space-between;align-items:baseline;padding:8px 4px 10px}
#timer{font-family:var(--serif);font-size:30px;font-variant-numeric:tabular-nums}
#timer.low{color:var(--vermillion);animation:pulse 1s infinite}
@keyframes pulse{50%{opacity:.55}}
.board-head-seed{font-size:12px;color:var(--ink-soft);letter-spacing:.08em}
.board-scroll{position:relative;border:1px solid var(--rule);border-radius:4px;overflow:hidden;background:#20261d}
.board{display:grid;gap:2px;padding:8px;position:relative;z-index:1;
  grid-template-columns:repeat(11,1fr);aspect-ratio:1/1;}
.tile{
  border:0;border-radius:3px;cursor:pointer;position:relative;min-width:0;min-height:0;
  background:#2c332a;transition:background .35s,box-shadow .35s,transform .12s;
  font-size:0;
}
.tile:hover{transform:scale(1.08)}
.tile.fog{background:#31382f}
.tile.fog::after{content:"";position:absolute;inset:0;border-radius:3px;
  background:linear-gradient(135deg,rgba(185,188,178,.28),rgba(185,188,178,.06));}
.tile.moss{background:radial-gradient(circle at 50% 60%,var(--moss-glow),var(--moss) 70%,var(--moss-deep));
  box-shadow:0 0 10px -1px rgba(156,193,132,.8);animation:settle .4s ease-out}
@keyframes settle{0%{transform:scale(.6)}60%{transform:scale(1.12)}100%{transform:scale(1)}}
.tile.moss.old{filter:saturate(.6) brightness(.85);box-shadow:none}
.tile.route{background:radial-gradient(circle at 50% 50%,#ffe9a8,var(--moss-glow) 45%,var(--moss-deep));
  box-shadow:0 0 14px 0 rgba(255,220,120,.75)}
.tile.beacon{box-shadow:inset 0 0 0 2px rgba(255,233,168,.0)}
.tile.beacon::before{content:"◈";position:absolute;inset:0;display:grid;place-items:center;
  font-size:clamp(12px,2.6vw,20px);color:#8d8f83;transition:color .3s,text-shadow .3s}
.tile.beacon.lit::before{content:"⬢";color:#ffe9a8;text-shadow:0 0 12px #ffd76e,0 0 22px var(--vermillion);animation:beaconPulse 2s infinite}
@keyframes beaconPulse{50%{text-shadow:0 0 5px #ffd76e}}
.tile.you{box-shadow:inset 0 0 0 2px #faf6ec,0 0 16px 2px rgba(250,246,236,.7)}
.tile.you::after{content:"●";position:absolute;inset:0;display:grid;place-items:center;
  font-size:clamp(12px,2.6vw,20px);color:#faf6ec;text-shadow:0 1px 4px rgba(0,0,0,.6)}
#mist{position:absolute;inset:0;width:100%;height:100%;z-index:2;pointer-events:none;opacity:.8}
.banner{
  position:absolute;left:50%;top:44%;transform:translate(-50%,-50%) scale(.9);z-index:3;
  font-family:var(--serif);font-size:clamp(20px,4vw,34px);color:#faf6ec;white-space:nowrap;
  text-shadow:0 2px 18px rgba(0,0,0,.7);opacity:0;pointer-events:none;
}
.banner.show{animation:brush 1.8s ease-out}
@keyframes brush{0%{opacity:0;transform:translate(-50%,-50%) scale(.85)}15%{opacity:1;transform:translate(-50%,-50%) scale(1.04)}75%{opacity:1}100%{opacity:0;transform:translate(-50%,-50%) scale(1)}}

/* dpad */
.dpad{display:none;grid-template-columns:repeat(3,54px);gap:6px;justify-content:center;margin:14px 0 4px}
.dpad button{height:54px;border:1px solid var(--rule);border-radius:8px;background:var(--card);font-size:20px;cursor:pointer;color:var(--ink)}
.dpad button:active{background:var(--moss-glow)}
.hint{font-size:12.5px;color:var(--ink-soft);text-align:center}
kbd{border:1px solid var(--rule);border-bottom-width:2px;border-radius:4px;padding:0 5px;font-size:12px;background:var(--card);font-family:var(--sans)}

/* side panel */
.panel{background:var(--card);border:1px solid var(--rule);border-radius:6px;padding:18px;position:sticky;top:64px}
.seal-row{display:flex;gap:14px;align-items:center;border-bottom:1px solid var(--rule);padding-bottom:14px;margin-bottom:12px}
.hanko{
  font-family:var(--serif);font-size:22px;color:#faf6ec;background:var(--vermillion);
  width:58px;height:58px;display:grid;place-items:center;border-radius:5px;flex:none;
  box-shadow:2px 2px 0 rgba(28,27,23,.25);transform:rotate(-4deg);
}
.hanko.won{background:var(--moss-deep)}
.score-label{margin:0;font-size:12px;letter-spacing:.2em;color:var(--ink-soft)}
.score{margin:0;font-family:var(--serif);font-size:40px;line-height:1.1;font-variant-numeric:tabular-nums}
.best{margin:0;font-size:12.5px;color:var(--ink-soft)}
.stats{margin:0 0 12px}
.stats div{display:flex;justify-content:space-between;border-bottom:1px dotted var(--rule);padding:5px 0;font-size:14px}
.stats dt{color:var(--ink-soft)} .stats dd{margin:0;font-weight:650;font-variant-numeric:tabular-nums}
.seed-box{border-top:1px solid var(--rule);padding-top:12px;margin-bottom:12px}
.seed-box label{font-size:12px;letter-spacing:.2em;color:var(--ink-soft)}
.seed-row{display:flex;gap:8px;margin-top:8px}
.seed-row input{flex:1;min-width:0;border:1px solid var(--rule);border-radius:5px;background:var(--paper);padding:8px 10px;font:inherit;font-size:14px;color:var(--ink)}
button{font:inherit}
#seedGo{background:var(--ink);color:var(--paper);border:1px solid var(--ink);border-radius:5px;padding:8px 16px;cursor:pointer}
#seedGo:hover{background:var(--moss-deep);border-color:var(--moss-deep)}
.ghost{flex:1;background:transparent;border:1px solid var(--rule);border-radius:5px;padding:7px 6px;font-size:13px;cursor:pointer;color:var(--ink)}
.ghost:hover{border-color:var(--ink)}
.legend{list-style:none;margin:0 0 10px;padding:0;font-size:13.5px;color:var(--ink-soft)}
.legend li{display:flex;align-items:center;gap:9px;padding:3px 0}
.sw{width:18px;height:18px;border-radius:4px;flex:none;border:1px solid var(--rule)}
.sw-you{background:#faf6ec radial-gradient(circle,#1c1b17 30%,transparent 32%)}
.sw-moss{background:radial-gradient(circle,var(--moss-glow),var(--moss-deep))}
.sw-route{background:radial-gradient(circle,#ffe9a8,var(--moss-deep))}
.sw-beacon{background:#2c332a;position:relative}
.sw-fog{background:linear-gradient(135deg,#b9bcb2,#7e8278)}
.panel-note{font-size:13px;color:var(--ink-soft);border-left:3px solid var(--vermillion);padding-left:10px;margin:0}

/* scroll story — gives the page scroll length that stirs the wind */
.scroll-story{margin:90px auto 30px;max-width:640px;display:grid;gap:70px}
.scroll-story article{border-top:1px solid var(--rule);padding-top:18px;opacity:.35;transform:translateY(24px);transition:opacity .6s,transform .6s}
.scroll-story article.lit{opacity:1;transform:none}
.scroll-story .num{font-family:var(--serif);color:var(--vermillion);font-size:22px;margin:0}
.scroll-story h2{font-family:var(--serif);font-weight:600;font-size:30px;margin:4px 0 8px}
.scroll-story p{color:var(--ink-soft);margin:0}

footer{border-top:1px solid var(--rule);margin-top:40px;padding:22px 0 60px;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:var(--ink-soft)}
footer [lang=ja]{font-family:var(--serif)}

/* vertical accents */
.vert{position:fixed;top:38%;z-index:0;writing-mode:vertical-rl;font-family:var(--serif);
  letter-spacing:.5em;color:var(--ink-faint);font-size:14px;margin:0;pointer-events:none}
.vert-left{left:12px}.vert-right{right:12px}
@media(max-width:1180px){.vert{display:none}}

/* 375px */
@media(max-width:760px){
  .game-wrap{grid-template-columns:1fr}
  .panel{position:static}
  .dpad{display:grid}
  .hero{padding:44px 0 24px}
  #app{padding:0 14px 30px}
}
@media(prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}