/* ── 箱庭 HAKONIWA · voxel japanese garden ─────────────────────
   Palette drawn from the garden itself: vermilion torii, indigo
   night, sakura pink, moss, gold leaf, teal water, washi paper. */

:root{
  --ink:#1c1a17;
  --paper:#f4ead8;
  --paper-dim:#cfc3a8;
  --verm:#d94f30;
  --verm-hi:#ff6a3d;
  --verm-deep:#a83820;
  --gold:#e8c15a;
  --gold-dim:#b99a45;
  --indigo:#151d33;
  --indigo-2:#0d1326;
  --indigo-3:#1e2946;
  --teal:#4fa3b2;
  --moss:#7cbf6b;
  --sakura:#f5b8c4;
  --danger:#ff6a5e;
  --panel:rgba(13,19,38,.82);
  --panel-line:rgba(232,193,90,.28);
  --shadow:0 12px 40px rgba(5,8,18,.55);
  --font-display:"Shippori Mincho", "Hiragino Mincho ProN", "Yu Mincho", serif;
  --font-body:"Zen Maru Gothic", "Hiragino Maru Gothic ProN", "Yu Gothic", system-ui, sans-serif;
}

*{ box-sizing:border-box; margin:0; padding:0; }
html,body{ height:100%; overflow:hidden; }
body{
  font-family:var(--font-body);
  color:var(--paper);
  background:var(--indigo-2);
  -webkit-font-smoothing:antialiased;
}
button{ font-family:inherit; cursor:pointer; }
:focus-visible{ outline:2px solid var(--gold); outline-offset:2px; border-radius:4px; }

#scene-holder{ position:fixed; inset:0; }
#scene-holder canvas{ display:block; touch-action:none; }

/* atmosphere overlays */
#vignette{ position:fixed; inset:0; pointer-events:none; z-index:2;
  background:radial-gradient(ellipse at 50% 42%, transparent 52%, rgba(8,10,22,.42) 100%); }
#grain{ position:fixed; inset:-50%; pointer-events:none; z-index:3; opacity:.05;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='240' height='240'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='0.9' numOctaves='2'/%3E%3C/filter%3E%3Crect width='240' height='240' filter='url(%23n)'/%3E%3C/svg%3E");
  animation:grain 1.2s steps(4) infinite; }
@keyframes grain{
  0%{transform:translate(0,0)} 25%{transform:translate(-2%,3%)}
  50%{transform:translate(3%,-2%)} 75%{transform:translate(-3%,-3%)} 100%{transform:translate(0,0)} }

/* ── Top bar ── */
#topbar{
  position:fixed; top:0; left:0; right:0; z-index:20;
  display:flex; align-items:center; justify-content:space-between;
  padding:10px 16px;
  background:linear-gradient(180deg, rgba(10,14,28,.82), rgba(10,14,28,.35) 70%, transparent);
  backdrop-filter:blur(8px); -webkit-backdrop-filter:blur(8px);
}
.brand{ display:flex; align-items:center; gap:12px; min-width:0; }
.seal{
  width:42px; height:42px; flex:0 0 auto;
  display:grid; place-items:center;
  background:linear-gradient(145deg, var(--verm-hi), var(--verm-deep));
  color:var(--paper); font-family:var(--font-display); font-size:24px;
  border-radius:9px; transform:rotate(-3deg);
  box-shadow:0 4px 14px rgba(217,79,48,.45), inset 0 0 0 1.5px rgba(244,234,216,.35);
}
.brand-text h1{
  font-family:var(--font-display); font-size:19px; letter-spacing:.14em;
  font-weight:700; line-height:1.1; white-space:nowrap;
}
.brand-text .jp{ color:var(--gold); font-size:15px; letter-spacing:.05em; }
.brand-text p{
  font-size:10.5px; letter-spacing:.32em; text-transform:uppercase;
  color:var(--paper-dim); margin-top:2px; white-space:nowrap;
}
.top-actions{ display:flex; align-items:center; gap:8px; }
.chip{
  display:flex; align-items:center; gap:7px;
  font-size:12px; color:var(--gold);
  border:1px solid var(--panel-line); border-radius:999px;
  padding:6px 12px; background:var(--panel);
  transition:transform .25s;
}
.chip.pulse{ animation:chipPulse .6s ease; }
@keyframes chipPulse{ 40%{ transform:scale(1.12); } }
.chip-dot{ width:7px; height:7px; border-radius:50%; background:var(--verm-hi);
  box-shadow:0 0 8px var(--verm-hi); }
.icon-btn{
  display:flex; align-items:center; gap:7px;
  background:var(--panel); color:var(--paper);
  border:1px solid var(--panel-line); border-radius:10px;
  padding:8px 12px; font-size:12.5px; letter-spacing:.04em;
  transition:background .2s, border-color .2s, transform .15s;
}
.icon-btn:hover{ background:var(--indigo-3); border-color:var(--gold); transform:translateY(-1px); }
.icon-btn[aria-pressed="false"]{ color:var(--paper-dim); }
.icon-btn[aria-pressed="false"] .wav{ display:none; }
.icon-btn[aria-pressed="false"] .mut{ display:inline; }
.qmark{ font-family:var(--font-display); font-size:16px; color:var(--gold); line-height:1; }

/* ── Dock ── */
.dock-toggle{
  position:fixed; right:16px; bottom:16px; z-index:31;
  display:none; align-items:center; gap:8px;
  background:linear-gradient(145deg, var(--verm-hi), var(--verm-deep));
  color:var(--paper); border:none; border-radius:999px;
  padding:12px 18px; font-size:14px; font-weight:700; letter-spacing:.05em;
  box-shadow:0 8px 24px rgba(217,79,48,.5);
}
#dock{
  position:fixed; top:70px; right:16px; bottom:16px; z-index:25;
  width:288px; display:flex; flex-direction:column;
  background:var(--panel); border:1px solid var(--panel-line);
  border-radius:16px; box-shadow:var(--shadow);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  transition:transform .35s cubic-bezier(.2,.9,.25,1), opacity .3s;
}
#dock.closed{ transform:translateX(calc(100% + 24px)); opacity:0; pointer-events:none; }
.dock-head{
  display:flex; align-items:baseline; justify-content:space-between;
  padding:14px 16px 10px;
  border-bottom:1px solid rgba(232,193,90,.16);
}
.dock-head h2{ font-family:var(--font-display); font-size:16px; letter-spacing:.08em; }
.dock-jp{ color:var(--gold); font-size:13px; }
.dock-scroll{ overflow-y:auto; padding:6px 16px 16px; flex:1; scrollbar-width:thin; scrollbar-color:var(--verm) rgba(21,29,51,.6); }
.dock-scroll::-webkit-scrollbar{ width:9px; }
.dock-scroll::-webkit-scrollbar-track{ background:rgba(21,29,51,.6); border-radius:8px; margin:6px 0; }
.dock-scroll::-webkit-scrollbar-thumb{
  background:linear-gradient(180deg, var(--verm-hi), var(--verm-deep));
  border-radius:8px; border:2px solid rgba(13,19,38,.9);
}
.dock-scroll::-webkit-scrollbar-thumb:hover{ background:linear-gradient(180deg, var(--gold), var(--verm)); }

.grp{ padding:12px 0 4px; border-bottom:1px dashed rgba(232,193,90,.14); }
.grp:last-child{ border-bottom:none; }
.grp h3{
  font-size:11px; letter-spacing:.26em; text-transform:uppercase;
  color:var(--gold); margin-bottom:10px; font-weight:700;
}
.grp h3 .jp{ font-size:11px; letter-spacing:.1em; color:var(--paper-dim); text-transform:none; margin-left:4px; }
.ctl{ margin-bottom:12px; }
.ctl label{
  display:flex; justify-content:space-between; align-items:baseline;
  font-size:12.5px; color:var(--paper); margin-bottom:6px;
}
.ctl output{ color:var(--gold); font-size:11.5px; font-variant-numeric:tabular-nums; }
.ctl.row{ display:flex; justify-content:space-between; align-items:center; }
.ctl.row label{ margin:0; }

input[type="range"]{
  -webkit-appearance:none; appearance:none; width:100%; height:20px;
  background:transparent; cursor:pointer;
}
input[type="range"]::-webkit-slider-runnable-track{
  height:5px; border-radius:4px;
  background:linear-gradient(90deg, var(--indigo-3), #2a3a63);
  border:1px solid rgba(232,193,90,.2);
}
input[type="range"]::-webkit-slider-thumb{
  -webkit-appearance:none; appearance:none;
  width:16px; height:16px; margin-top:-6.5px; border-radius:50%;
  background:radial-gradient(circle at 35% 30%, var(--verm-hi), var(--verm-deep));
  border:2px solid var(--gold);
  box-shadow:0 0 10px rgba(217,79,48,.6);
  transition:transform .15s;
}
input[type="range"]::-webkit-slider-thumb:hover{ transform:scale(1.2); }
input[type="range"]::-moz-range-track{
  height:5px; border-radius:4px; background:#22304f; border:1px solid rgba(232,193,90,.2);
}
input[type="range"]::-moz-range-thumb{
  width:14px; height:14px; border-radius:50%;
  background:var(--verm); border:2px solid var(--gold);
}

.switch{ -webkit-appearance:none; appearance:none; width:40px; height:22px; flex:0 0 auto;
  border-radius:999px; background:#22304f; border:1px solid rgba(232,193,90,.25);
  position:relative; cursor:pointer; transition:background .25s; }
.switch::after{ content:""; position:absolute; top:2px; left:2px; width:16px; height:16px;
  border-radius:50%; background:var(--paper-dim); transition:left .25s, background .25s; }
.switch:checked{ background:linear-gradient(90deg, var(--verm-deep), var(--verm-hi)); }
.switch:checked::after{ left:20px; background:var(--paper); box-shadow:0 0 8px rgba(255,106,61,.8); }

select{
  width:100%; background:var(--indigo-3); color:var(--paper);
  border:1px solid rgba(232,193,90,.25); border-radius:8px;
  padding:7px 10px; font-family:inherit; font-size:12.5px; cursor:pointer;
}
select:hover{ border-color:var(--gold); }

.cam-grid{ display:grid; grid-template-columns:1fr 1fr; gap:7px; margin-bottom:12px; }
.cam-btn{
  background:rgba(30,41,70,.7); color:var(--paper);
  border:1px solid rgba(232,193,90,.22); border-radius:9px;
  padding:8px 6px; font-size:11.5px; letter-spacing:.03em;
  transition:all .18s;
}
.cam-btn:hover{ border-color:var(--gold); background:var(--indigo-3); transform:translateY(-1px); }
.cam-btn.active{
  background:linear-gradient(145deg, var(--verm-hi), var(--verm-deep));
  border-color:var(--gold); color:#fff; font-weight:700;
  box-shadow:0 3px 12px rgba(217,79,48,.45);
}

.secret-list{ list-style:none; }
.secret-list li{
  display:flex; align-items:center; gap:8px;
  font-size:12px; color:var(--paper-dim);
  padding:4.5px 0; transition:color .3s;
}
.secret-list li .mark{
  width:15px; height:15px; flex:0 0 auto; border-radius:4px;
  border:1px solid rgba(232,193,90,.35); display:grid; place-items:center;
  font-size:10px; color:transparent; transition:all .3s;
}
.secret-list li.found{ color:var(--paper); }
.secret-list li.found .mark{
  background:linear-gradient(145deg, var(--gold), var(--gold-dim));
  color:var(--ink); border-color:var(--gold); font-weight:700;
}
.secret-list li .jp{ margin-left:auto; color:var(--gold-dim); font-size:11px; }
.secret-list li.found .jp{ color:var(--gold); }

.actions{ display:flex; gap:8px; padding-top:14px; }
.act-btn{
  flex:1; padding:10px 8px; border-radius:10px; font-size:12.5px; font-weight:700;
  letter-spacing:.04em; border:1px solid rgba(232,193,90,.3);
  background:rgba(30,41,70,.7); color:var(--paper); transition:all .18s;
}
.act-btn:hover{ border-color:var(--gold); transform:translateY(-1px); }
.act-btn.surprise{
  background:linear-gradient(145deg, var(--verm-hi), var(--verm-deep));
  border-color:rgba(244,234,216,.4); color:#fff;
}
.act-btn.surprise:hover{ box-shadow:0 4px 16px rgba(217,79,48,.55); }

/* ── Info card ── */
.card{
  position:fixed; left:16px; bottom:16px; z-index:24;
  width:min(340px, calc(100vw - 32px));
  background:var(--panel); border:1px solid var(--panel-line);
  border-left:4px solid var(--verm);
  border-radius:14px; padding:16px 18px 15px;
  box-shadow:var(--shadow);
  backdrop-filter:blur(12px); -webkit-backdrop-filter:blur(12px);
  animation:cardIn .35s cubic-bezier(.2,.9,.3,1.2);
}
@keyframes cardIn{ from{ opacity:0; transform:translateY(16px) scale(.97); } }
.card.hidden{ display:none; }
.card-jp{ font-family:var(--font-display); color:var(--gold); font-size:13px; letter-spacing:.2em; margin-bottom:3px; }
.card h3{ font-family:var(--font-display); font-size:18px; margin-bottom:7px; letter-spacing:.03em; }
.card p{ font-size:12.5px; line-height:1.65; color:var(--paper-dim); }
.card-close{
  position:absolute; top:8px; right:10px; background:none; border:none;
  color:var(--paper-dim); font-size:20px; line-height:1; padding:4px;
}
.card-close:hover{ color:var(--verm-hi); }

/* ── Hint / tooltip / bubble / toasts ── */
.hint{
  position:fixed; bottom:18px; left:50%; transform:translateX(-50%); z-index:18;
  font-size:12px; letter-spacing:.12em; color:var(--paper-dim);
  background:rgba(13,19,38,.6); border:1px solid rgba(232,193,90,.15);
  padding:8px 18px; border-radius:999px; pointer-events:none;
  backdrop-filter:blur(6px); transition:opacity 1s;
  white-space:nowrap;
}
.hint.faded{ opacity:0; }
.tooltip{
  position:fixed; z-index:40; pointer-events:none;
  background:var(--indigo-2); color:var(--paper);
  border:1px solid var(--gold); border-radius:8px;
  font-size:12px; padding:5px 10px; letter-spacing:.04em;
  transform:translate(14px, -30px);
  box-shadow:0 4px 14px rgba(5,8,18,.6);
}
.tooltip .jp{ color:var(--gold); margin-right:5px; }
.tooltip.hidden{ display:none; }
.bubble{
  position:fixed; z-index:39; pointer-events:none;
  max-width:230px; background:var(--paper); color:var(--ink);
  border-radius:12px; padding:9px 13px; font-size:12.5px; line-height:1.5;
  transform:translate(-50%, -100%);
  box-shadow:0 8px 22px rgba(5,8,18,.5);
  animation:bubbleIn .3s cubic-bezier(.2,.9,.3,1.3);
}
.bubble::after{ content:""; position:absolute; left:50%; bottom:-7px; transform:translateX(-50%);
  border:8px solid transparent; border-top-color:var(--paper); border-bottom:none; }
.bubble.hidden{ display:none; }
@keyframes bubbleIn{ from{ opacity:0; transform:translate(-50%,-80%) scale(.85); } }

#toasts{ position:fixed; top:70px; left:50%; transform:translateX(-50%); z-index:50;
  display:flex; flex-direction:column; gap:8px; align-items:center; pointer-events:none; }
.toast{
  background:linear-gradient(145deg, rgba(232,193,90,.95), rgba(185,154,69,.95));
  color:var(--ink); font-size:13px; font-weight:700; letter-spacing:.03em;
  padding:9px 18px; border-radius:999px;
  box-shadow:0 8px 24px rgba(5,8,18,.5);
  animation:toastIn .4s cubic-bezier(.2,.9,.3,1.3), toastOut .5s ease 3.4s forwards;
}
.toast.secret{ background:linear-gradient(145deg, var(--verm-hi), var(--verm-deep)); color:#fff; }
@keyframes toastIn{ from{ opacity:0; transform:translateY(-14px) scale(.9); } }
@keyframes toastOut{ to{ opacity:0; transform:translateY(-10px); } }

/* ── Help ── */
.help{ position:fixed; inset:0; z-index:60; display:grid; place-items:center;
  background:rgba(8,10,22,.66); backdrop-filter:blur(5px); }
.help.hidden{ display:none; }
.help-panel{
  position:relative; width:min(520px, calc(100vw - 32px));
  max-height:calc(100vh - 60px); overflow-y:auto;
  background:var(--panel); border:1px solid var(--panel-line);
  border-radius:18px; padding:26px 28px;
  box-shadow:var(--shadow);
  scrollbar-width:thin; scrollbar-color:var(--verm) rgba(21,29,51,.6);
}
.help-panel::-webkit-scrollbar{ width:9px; }
.help-panel::-webkit-scrollbar-track{ background:rgba(21,29,51,.6); border-radius:8px; }
.help-panel::-webkit-scrollbar-thumb{ background:linear-gradient(180deg,var(--verm-hi),var(--verm-deep)); border-radius:8px; }
.help-panel h2{ font-family:var(--font-display); font-size:21px; margin-bottom:10px; }
.help-panel h2 .jp{ color:var(--gold); font-size:14px; display:block; margin-top:3px; letter-spacing:.2em; }
.help-panel > p{ font-size:13px; line-height:1.65; color:var(--paper-dim); margin-bottom:12px; }
.help-list{ list-style:none; margin-bottom:14px; }
.help-list li{ font-size:12.5px; line-height:1.6; color:var(--paper-dim);
  padding:5px 0 5px 18px; position:relative; }
.help-list li::before{ content:"✦"; position:absolute; left:0; color:var(--verm-hi); }
.help-list b{ color:var(--paper); }
.help-keys{ font-size:11.5px !important; }
kbd{ background:var(--indigo-3); border:1px solid rgba(232,193,90,.3); border-radius:5px;
  padding:1px 6px; font-family:inherit; font-size:11px; color:var(--gold); }

/* ── Loader / no-gl ── */
#loader{ position:fixed; inset:0; z-index:100; display:grid; place-items:center;
  background:radial-gradient(ellipse at 50% 40%, #1a2440, var(--indigo-2) 75%);
  transition:opacity .8s; }
#loader.done{ opacity:0; pointer-events:none; }
#loader > div{ grid-area:1/1; }
.enso{
  width:110px; height:110px; border-radius:50%;
  border:5px solid transparent;
  border-top-color:var(--verm-hi); border-right-color:var(--gold);
  animation:spin 1.6s cubic-bezier(.5,.15,.5,.85) infinite;
}
@keyframes spin{ to{ transform:rotate(360deg); } }
.loader-jp{ font-family:var(--font-display); font-size:34px; color:var(--paper);
  letter-spacing:.1em; transform:translateY(-2px); }
#loader-line{ align-self:end; margin-bottom:18vh; font-size:12px; letter-spacing:.28em;
  text-transform:uppercase; color:var(--paper-dim); }
#nogl{ position:fixed; inset:0; z-index:110; display:grid; place-items:center; background:var(--indigo-2); }
#nogl.hidden{ display:none; }
.nogl-panel{ max-width:420px; padding:30px; text-align:center; }
.nogl-panel h2{ font-family:var(--font-display); color:var(--gold); margin-bottom:12px; }
.nogl-panel p{ font-size:13px; line-height:1.7; color:var(--paper-dim); }

.hidden{ display:none !important; }

/* ── Mobile ── */
@media (max-width:760px){
  .brand-text p{ display:none; }
  .brand-text h1{ font-size:16px; }
  .seal{ width:36px; height:36px; font-size:20px; }
  .btn-label{ display:none; }
  .icon-btn{ padding:8px 10px; }
  #secret-chip{ font-size:11px; padding:5px 10px; }
  .hint{ font-size:10.5px; letter-spacing:.06em; bottom:auto; top:64px; }
  .dock-toggle{ display:flex; }
  #dock{
    top:auto; left:10px; right:10px; bottom:10px; width:auto;
    max-height:56vh; border-radius:18px;
    transform:translateY(0);
  }
  #dock.closed{ transform:translateY(calc(100% + 20px)); }
  .card{ left:10px; right:10px; width:auto; bottom:74px; }
  #toasts{ top:60px; width:92vw; }
  .toast{ font-size:12px; text-align:center; }
}
@media (prefers-reduced-motion: reduce){
  #grain{ animation:none; }
  .enso{ animation-duration:3s; }
}