:root{
  --bg0:#020617;
  --card:#0f172a;
  --card2:#111c33;
  --ink:#e5e7eb;
  --muted:#a1a1aa;
  --line:#24304a;
  --shadow: 0 10px 30px rgba(0,0,0,.35);
  --radius: 18px;
}

*{box-sizing:border-box}
html,body{height:100%}
body{
  margin:0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, Arial, sans-serif;
  background: radial-gradient(1200px 800px at 20% 0%, #0b1222 0%, var(--bg0) 50%, #01030a 100%);
  color:var(--ink);
  -webkit-tap-highlight-color: transparent;
}

.app{
  max-width: 1100px;
  margin: 0 auto;
  padding: 12px 12px 20px;
}

.topbar{
  position: sticky;
  top: 0;
  z-index: 10;
  backdrop-filter: blur(10px);
  background: rgba(2,6,23,.55);
  border-bottom: 1px solid rgba(255,255,255,.06);

  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding: 10px 6px 12px;
}

.brand{display:flex; align-items:center; gap:10px; min-width:220px;}
.logo{
  width:44px;height:44px; display:grid;place-items:center;
  border-radius:14px;
  background: linear-gradient(180deg, #0e1a33, #0b1022);
  border:1px solid var(--line);
  box-shadow: var(--shadow);
  font-size: 22px;
}
.brandText .title{font-weight:800; letter-spacing:.3px;}
.brandText .subtitle{font-size:12px; color:var(--muted);}
.topActions{display:flex; gap:8px; flex-wrap:wrap; justify-content:flex-end;}

.main{
  display:grid;
  grid-template-columns: 1.05fr .95fr;
  gap: 12px;
  margin-top: 12px;
}
.panel{display:flex; flex-direction:column; gap:12px;}

.caseCard, .paletteCard, .boardCard, .howToCard{
  background: linear-gradient(180deg, var(--card), var(--card2));
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow:hidden;
}

.caseCard{padding:14px;}
.caseHeader{display:flex; align-items:flex-start; gap:12px; margin-bottom:12px;}
.caseBadge{
  font-size: 12px;
  letter-spacing: .12em;
  font-weight: 800;
  padding: 8px 10px;
  border-radius: 999px;
  border:1px solid rgba(34,197,94,.35);
  background: rgba(34,197,94,.10);
  color: #b8f7ce;
  white-space:nowrap;
}
.caseTitle{font-size:18px; font-weight:800; margin-top:2px;}
.caseLine{display:flex; gap:8px; flex-wrap:wrap; margin-top:8px;}
.pill{
  font-size:12px;
  padding:6px 10px;
  border-radius:999px;
  border:1px solid var(--line);
  color: var(--muted);
  background: rgba(255,255,255,.03);
}

.detective{
  display:grid;
  grid-template-columns: 92px 1fr;
  gap: 12px;
  align-items:stretch;
  margin-bottom: 12px;
}

/* sprite */
.wrenSprite{
  position:relative;
  width: 92px;
  height: 122px;
  border-radius: 16px;
  border:1px solid var(--line);
  background: radial-gradient(circle at 40% 20%, rgba(56,189,248,.18), transparent 45%),
              linear-gradient(180deg, #0b1530, #070b18);
  overflow:hidden;
  box-shadow: 0 10px 22px rgba(0,0,0,.25);
}
.wrenFrame{
  position:absolute;
  left:50%;
  top:50%;
  width:256px;
  height:341px;
  transform: translate(-50%,-50%) scale(0.36);
  transform-origin:center;

  background-image: url("Wren_sprite_sheet.png");
  background-repeat:no-repeat;
  background-size: 2048px 341px;
  background-position: 0px 0px;
  animation: wrenFrames 1.2s steps(7, end) infinite;
}
@keyframes wrenFrames{
  from { background-position: 0px 0px; }
  to   { background-position: -1792px 0px; }
}

.speech{
  border-radius: 16px;
  border:1px solid var(--line);
  padding: 12px;
  background: rgba(255,255,255,.03);
}
.speechName{font-weight:900; font-size:13px; color:#c7d2fe;}
.speechText{margin:8px 0 10px; line-height:1.35;}
.speechControls{display:flex; gap:8px; flex-wrap:wrap;}

.settings{
  display:grid; gap:10px;
  padding-top:8px;
  border-top:1px solid rgba(255,255,255,.06);
}
.settingsRow{display:flex; align-items:center; justify-content:space-between; gap:10px;}
.label{font-size:13px; color:var(--muted);}

.seg{
  display:flex;
  border:1px solid var(--line);
  border-radius:999px;
  overflow:hidden;
  background: rgba(255,255,255,.02);
}
.segBtn{
  border:0;
  background:transparent;
  color: var(--ink);
  padding:10px 14px; /* bigger tap */
  font-weight:800;
  cursor:pointer;
  font-size:13px;
}
.segBtn.active{
  background: rgba(56,189,248,.14);
  color:#dbeafe;
}

.toggle{
  position:relative;
  border:1px solid var(--line);
  background: rgba(255,255,255,.02);
  border-radius:999px;
  height:40px; /* bigger tap */
  min-width:120px;
  padding: 0 12px 0 46px;
  color: var(--ink);
  font-weight:900;
  cursor:pointer;
}
.toggleKnob{
  position:absolute;
  left:6px; top:7px;
  width:26px; height:26px;
  border-radius:999px;
  background: rgba(255,255,255,.15);
  border:1px solid rgba(255,255,255,.18);
  transition: transform .18s ease;
}
.toggle[aria-pressed="true"] .toggleKnob{
  transform: translateX(66px);
  background: rgba(34,197,94,.25);
  border-color: rgba(34,197,94,.35);
}
.toggleText{font-size:12px; letter-spacing:.08em;}

.paletteCard{padding:14px;}
.paletteHeader{display:flex; justify-content:space-between; align-items:flex-end; gap:10px;}
.h2{font-size:16px; font-weight:900;}
.h3{font-size:13px; font-weight:900; color:#c7d2fe;}
.legend{display:flex; gap:12px; flex-wrap:wrap; color:var(--muted); font-size:12px;}
.dotLegend{display:inline-flex; align-items:center; gap:6px;}
.peg.small{width:10px; height:10px; border-radius:999px; border:1px solid rgba(255,255,255,.25);}
.peg.correct{background: rgba(34,197,94,.9); border-color: rgba(34,197,94,.9);}
.peg.partial{background: rgba(251,191,36,.25); border-color: rgba(251,191,36,.8);}

.palette{display:flex; flex-wrap:wrap; gap:12px; margin:12px 0 14px;}

.clueBtn{
  width:54px;height:54px; /* bigger for mobile */
  border-radius:16px;
  border:1px solid rgba(255,255,255,.18);
  background: rgba(255,255,255,.05);
  display:grid; place-items:center;
  cursor:pointer;
  box-shadow: 0 8px 20px rgba(0,0,0,.22);
  position:relative;
}
.clueBtn:active{transform: scale(.98);}
.clueIcon{
  width:34px;height:34px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.25);
  display:grid; place-items:center;
  font-size:18px;
}
.clueTag{
  position:absolute;
  inset:auto 8px 8px auto;
  font-size:11px;
  color: rgba(229,231,235,.8);
  font-weight:900;
}

.composer{border-top:1px solid rgba(255,255,255,.06); padding-top:12px;}
.composerTop{display:flex; justify-content:space-between; align-items:center; gap:10px; margin-bottom:10px;}
.composerActions{display:flex; gap:8px; flex-wrap:wrap;}
.guessSlots{display:flex; gap:12px; flex-wrap:wrap; padding:4px 0 10px;}

.slot{
  width:54px;height:54px;
  border-radius:16px;
  border:1px dashed rgba(255,255,255,.22);
  background: rgba(255,255,255,.03);
  display:grid; place-items:center;
}
.slotInner{
  width:34px;height:34px;
  border-radius:12px;
  border:1px solid rgba(255,255,255,.25);
  display:grid; place-items:center;
  font-size:18px;
}
.slot.empty .slotInner{opacity:.10;}
.submitRow{margin-top:6px;}

.boardCard{padding:14px;}
.boardHeader{display:flex; justify-content:space-between; align-items:baseline; gap:10px; margin-bottom:10px;}
.boardMeta{color:var(--muted); font-size:12px;}
.board{display:flex; flex-direction:column; gap:10px;}
.row{
  display:flex; gap:10px; align-items:center;
  padding:10px;
  border-radius:16px;
  border:1px solid rgba(255,255,255,.08);
  background: rgba(255,255,255,.02);
}
.rowLeft{display:flex; gap:8px; flex-wrap:wrap; flex:1;}
.rowRight{display:flex; gap:6px; align-items:center; min-width:120px; justify-content:flex-end; flex-wrap:wrap;}
.mark{
  width:14px;height:14px;
  border-radius:999px;
  border:1px solid rgba(255,255,255,.28);
  background: transparent;
}
.mark.correct{background: rgba(34,197,94,.9); border-color: rgba(34,197,94,.9);}
.mark.partial{background: rgba(251,191,36,.25); border-color: rgba(251,191,36,.8);}

.status{margin-top:10px; color:var(--muted); font-size:13px; line-height:1.35;}
.endRow{margin-top:12px; display:flex; gap:10px; flex-wrap:wrap;}

.footer{
  margin-top:12px;
  display:flex;
  justify-content:space-between;
  gap:10px;
  color: rgba(161,161,170,.9);
  font-size:12px;
  padding:0 6px;
}

.btn{
  border: 1px solid rgba(56,189,248,.35);
  background: rgba(56,189,248,.14);
  color: #dbeafe;
  padding: 12px 14px; /* bigger tap */
  border-radius: 14px;
  font-weight: 900;
  cursor:pointer;
}
.btn[disabled]{opacity:.5; cursor:not-allowed;}
.btn.ghost{
  border: 1px solid rgba(255,255,255,.16);
  background: rgba(255,255,255,.04);
  color: var(--ink);
}
.btn.small{padding: 10px 12px; border-radius: 12px; font-size: 12px;}
.btn.wide{width:100%; padding:14px 14px;}

.iconBtn{
  border: 1px solid rgba(255,255,255,.14);
  background: rgba(255,255,255,.04);
  color: var(--ink);
  border-radius: 12px;
  padding: 10px 12px;
  cursor:pointer;
}

.howToCard{ padding: 12px 14px; }
.howToHead{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding-bottom:10px;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.howToBody{ padding-top:10px; color: rgba(229,231,235,.92); }
.howToBody ul{ padding-left:18px; }
.howToFoot{
  padding-top:10px;
  border-top:1px solid rgba(255,255,255,.06);
  display:flex;
  justify-content:flex-end;
  margin-top:10px;
}

/* Mobile layout */
@media (max-width: 920px){
  .main{grid-template-columns:1fr;}
  .topbar{flex-direction:column; align-items:stretch;}
  .topActions{justify-content:flex-start;}
}

@media (max-width: 480px){
  .app{padding:10px 10px 18px;}
  .detective{grid-template-columns:74px 1fr;}
  .wrenSprite{width:74px; height:104px;}
  .wrenFrame{transform: translate(-50%,-50%) scale(0.30);}
  .footer{flex-direction:column; align-items:flex-start; gap:4px;}
}