:root{
  --bg-deep:#0c0c0e;
  --screen:#1c1c1f;
  --screen-hi:#232326;
  --text:#f2f2f0;
  --text-dim:#a9a9ac;
  --text-faint:#6d6d70;
  --panel-bg:rgba(60,60,63,.72);
  --panel-border:rgba(255,255,255,.08);
  --amber:#ffb020;
  --green:#2be07a;
  --red:#ff5b5b;
}
*{box-sizing:border-box;}
html,body{height:100%;}
body{
  margin:0;
  height:100vh;
  height:100dvh;
  overflow:hidden;
  background:radial-gradient(ellipse 1200px 700px at 50% -10%, #1a1a1d 0%, var(--bg-deep) 60%);
  color:var(--text);
  font-family:'Monaco', ui-monospace, monospace;
  display:flex;
  align-items:center;
  justify-content:center;
  -webkit-user-select:none;
  user-select:none;
  -webkit-touch-callout:none;
}
button{font-family:inherit;}

.frame{
  width:100vw;
  height:100vh;
  height:100dvh;
  background:linear-gradient(180deg, var(--screen-hi), var(--screen));
  border:none;
  border-radius:0;
  position:relative;
  overflow:hidden;
  display:flex;
  flex-direction:column;
  padding-top:env(safe-area-inset-top);
  padding-bottom:env(safe-area-inset-bottom);
  padding-left:env(safe-area-inset-left);
  padding-right:env(safe-area-inset-right);
}

.topbar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 18px 0;
  font-size:12.5px;
  color:var(--text-dim);
  letter-spacing:.01em;
}
.topbar .settings-btn{
  background:none;border:none;color:var(--text-faint);
  font-size:20px;cursor:pointer;opacity:.55;padding:2px 4px;
  transition:opacity .15s, color .15s;
}
.topbar .settings-btn:hover{opacity:1;color:var(--text-dim);}

.stage{
  flex:1;
  min-height:0;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:clamp(14px, 3vh, 26px);
  padding:20px 40px 60px;
  text-align:center;
  position:relative;
  overflow-y:auto;
  width:100%;
}

.scramble-box{
  width: 100%;
  max-width: 1200px;
  padding: 0 20px;
}
.scramble-label{
  font-size:10px;
  letter-spacing:.18em;
  color:var(--text-faint);
  margin-bottom:6px;
}
.scramble-text{
  font-size:clamp(14px, 1.9vw, 19px);
  font-weight:600;
  letter-spacing:.03em;
  color:var(--text-dim);
  line-height:1.5;
  word-spacing:.15em;
}
.scramble-back-btn{
  display:block;
  margin:8px auto 0;
  background:none;
  border:none;
  color:var(--text-faint);
  font-size:11px;
  letter-spacing:.03em;
  text-decoration:underline;
  text-underline-offset:2px;
  cursor:pointer;
  padding:0;
}
.scramble-back-btn:hover:not(:disabled){color:var(--text-dim);}
.scramble-back-btn:disabled{
  opacity:.3;
  cursor:default;
  text-decoration:none;
}

.display{
  font-weight:800;
  font-size:clamp(64px, 9vw, 118px);
  line-height:1;
  letter-spacing:.01em;
  color:var(--text);
  transition:color .12s;
}
.display.state-idle{color:var(--text);}
.display.state-inspection{color:var(--amber);}
.display.state-armed{color:var(--green);}
.display.state-solving{color:var(--green);}
.display.state-dnf{color:var(--red);}

.hint{
  font-size:11.5px;
  letter-spacing:.05em;
  color:var(--text-faint);
  min-height:14px;
}
.hint .tag{color:var(--amber);font-weight:700;}

/* ---- touch controls (mobile pads + start/stop) ---- */
.touch-controls{
  width:100%;
  max-width:380px;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.pads-toggle-row{
  display:flex;
  justify-content:center;
}
.pads-toggle-row .toggle-link{
  font-size:10.5px;
  color:var(--text-faint);
}
.pads-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:10px;
  overflow:hidden;
  transition:max-height .18s ease, opacity .18s ease, margin .18s ease;
  max-height:120px;
  opacity:1;
}
.pads-row.hidden{
  max-height:0;
  opacity:0;
  pointer-events:none;
}
.pad-btn{
  background:#141416;
  border:1px solid #2c2c30;
  border-radius:14px;
  padding:14px 8px;
  min-height:60px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
  color:var(--text-dim);
  touch-action:none;
  -webkit-tap-highlight-color:transparent;
  cursor:pointer;
  transition:background .1s, border-color .1s, color .1s;
}
.pad-btn-label{font-size:10px;letter-spacing:.14em;color:var(--text-faint);}
.pad-btn-key{font-size:13.5px;font-weight:700;}
.pad-btn.active{
  background:rgba(43,224,122,.12);
  border-color:var(--green);
  color:var(--green);
}
.pad-btn.active .pad-btn-label{color:var(--green);}

.space-btn{
  width:100%;
  padding:14px;
  border-radius:14px;
  border:1px solid #2c2c30;
  background:#141416;
  color:var(--text-dim);
  font-weight:700;
  font-size:12.5px;
  letter-spacing:.1em;
  cursor:pointer;
  touch-action:none;
  -webkit-tap-highlight-color:transparent;
  transition:background .1s, border-color .1s, color .1s;
}
.space-btn:active{transform:scale(.98);}
.space-btn.state-inspection,.space-btn.state-armed{border-color:var(--amber);color:var(--amber);}
.space-btn.state-solving{border-color:var(--red);color:var(--red);}

/* ---- floating stats panel ---- */
.panel{
  position:absolute;
  right:22px;
  bottom:22px;
  width:280px;
  background:var(--panel-bg);
  border:1px solid var(--panel-border);
  border-radius:16px;
  padding:16px 18px 14px;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  transition:transform .18s ease, opacity .18s ease;
  text-align:left;
}
.panel.collapsed .panel-body{display:none;}
.panel.collapsed{padding:8px 12px;width:auto;}

.panel-toggle-row{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:8px;
}
.panel.collapsed .panel-toggle-row{margin-bottom:0;}
.toggle-link{
  background:none;border:none;color:var(--text-dim);
  font-size:12px;text-decoration:underline;text-underline-offset:2px;
  cursor:pointer;letter-spacing:.02em;padding:0;
}
.toggle-link:hover{color:var(--text);}

/* ---- session tabs ---- */
.session-tabs{
  display:flex;
  align-items:center;
  gap:6px;
  margin-bottom:10px;
  padding-bottom:8px;
  border-bottom:1px solid var(--panel-border);
}
.session-tabs-scroll{
  display:flex;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:thin;
  flex:1;
  min-width:0;
}
.session-tabs-scroll::-webkit-scrollbar{height:5px;}
.session-tabs-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:4px;}
.session-tab{
  display:flex;
  align-items:center;
  gap:6px;
  flex:0 0 auto;
  background:#141416;
  border:1px solid #2c2c30;
  color:var(--text-faint);
  font-size:11px;
  letter-spacing:.02em;
  padding:6px 10px;
  border-radius:9px;
  cursor:pointer;
  white-space:nowrap;
  transition:background .1s, border-color .1s, color .1s;
}
.session-tab:hover{color:var(--text-dim);}
.session-tab.active{
  background:rgba(43,224,122,.12);
  border-color:var(--green);
  color:var(--green);
}
.session-tab .session-del{
  background:none;border:none;color:inherit;opacity:.55;
  font-size:12px;line-height:1;cursor:pointer;padding:0;
}
.session-tab .session-del:hover{opacity:1;color:var(--red);}
.session-add-btn{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:9px;
  border:1px solid #2c2c30;
  background:#141416;
  color:var(--text-dim);
  font-size:15px;
  line-height:1;
  cursor:pointer;
}
.session-add-btn:hover{color:var(--green);border-color:var(--green);}

.avg-line{
  font-weight:700;font-size:13.5px;letter-spacing:.03em;
  color:var(--text);margin-bottom:8px;
}
.solve-rows-scroll{
  max-height:158px;
  overflow-y:auto;
  scrollbar-width:thin;
  margin-right:-6px;
  padding-right:6px;
}
.solve-rows-scroll::-webkit-scrollbar{width:5px;}
.solve-rows-scroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:4px;}
.solve-row{
  display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--text-dim);
  padding:2px 4px;
  gap:8px;
  border-radius:6px;
  cursor:pointer;
}
.solve-row:not(.no-click):hover{background:rgba(255,255,255,.06);color:var(--text);}
.solve-row.dnf{color:var(--red);}
.solve-row .idx{color:var(--text-faint);}
.solve-row .solve-val{flex:1;text-align:right;}
.solve-del{
  background:none;border:none;color:var(--text-faint);
  font-size:14px;line-height:1;cursor:pointer;padding:0 2px;
  opacity:0;transition:opacity .12s, color .12s;
}
.solve-row:hover .solve-del{opacity:1;}
.solve-del:hover{color:var(--red);}
.extra-stats{
  display:flex;gap:12px;margin-top:10px;padding-top:8px;
  border-top:1px solid var(--panel-border);
  font-size:11px;color:var(--text-faint);
}
.extra-stats b{color:var(--text-dim);font-weight:700;}
.clear-link{
  background:none;border:none;color:var(--text-faint);
  font-size:10.5px;text-decoration:underline;text-underline-offset:2px;
  cursor:pointer;margin-top:8px;padding:0;letter-spacing:.02em;
}
.clear-link:hover{color:var(--red);}

/* ---- modal ---- */
.modal-backdrop{
  position:fixed;inset:0;background:rgba(4,4,6,.7);
  display:none;align-items:center;justify-content:center;z-index:50;
  backdrop-filter:blur(3px);
}
.modal-backdrop.open{display:flex;}
.modal{
  width:340px;max-width:92vw;
  background:linear-gradient(180deg, var(--screen-hi), var(--screen));
  border:1px solid #2c2c30;
  border-radius:16px;padding:22px;
  box-shadow:0 30px 70px -20px rgba(0,0,0,.8);
  text-align:left;
}
.modal h2{
  font-size:13px;letter-spacing:.1em;font-weight:700;
  margin:0 0 16px;color:var(--text);
}
.setting-row{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:12px;font-size:13px;color:var(--text-dim);
}
.rebind-btn{
  background:#141416;border:1px solid #2c2c30;color:var(--text);
  padding:7px 12px;border-radius:9px;font-size:12.5px;cursor:pointer;min-width:110px;
}
.rebind-btn.listening{border-color:var(--amber);color:var(--amber);}
.stepper{display:flex;align-items:center;gap:10px;}
.stepper button{
  width:26px;height:26px;border-radius:7px;border:1px solid #2c2c30;
  background:#141416;color:var(--text);cursor:pointer;font-size:14px;
}
.stepper span{min-width:34px;text-align:center;font-size:13px;}
.modal-note{font-size:11px;color:var(--text-faint);margin:4px 0 16px;line-height:1.5;}
.scramble-modal-text{
  font-size:14.5px;line-height:1.7;letter-spacing:.03em;
  color:var(--text-dim);background:#141416;border:1px solid #2c2c30;
  border-radius:10px;padding:14px 16px;margin-bottom:16px;word-spacing:.15em;
}
.close-btn{
  width:100%;padding:10px;border-radius:10px;border:none;
  background:var(--green);color:#06331b;font-weight:700;font-size:13px;
  cursor:pointer;letter-spacing:.03em;
}

@media (max-width:768px){
  .topbar{padding:12px 14px 0;font-size:11.5px;}
  .stage{
    padding:14px 16px 20px;
    gap:14px;
    justify-content:flex-start;
  }
  .display{font-size:clamp(48px, 17vw, 88px);}
  .scramble-box{max-width:100%;}
  .scramble-text{font-size:clamp(12.5px, 3.6vw, 15px);}
  .pads-row, .pads-toggle-row{display:none;}
  .pad-btn{min-height:68px;padding:16px 8px;}
  .pad-btn-key{font-size:14.5px;}
  .space-btn{padding:16px;font-size:13.5px;}

  /* floating panel becomes a normal in-flow card so it can never overlap
     the touch controls or get clipped on short screens */
  .panel{
    position:static;
    width:100%;
    max-width:380px;
    margin:2px 0 0;
  }
  .panel.collapsed{width:100%;max-width:380px;margin:2px auto 0;}
  .modal{width:90vw;padding:20px;}
}
@media (max-width:640px){
  .stage{padding:14px 14px 18px;}
}
@media (max-height:560px) and (orientation:landscape){
  .stage{gap:10px;padding:10px 16px;}
  .display{font-size:clamp(40px, 12vh, 64px);}
  .scramble-text{font-size:12px;line-height:1.35;}
  .pad-btn{min-height:44px;padding:8px;}
  .pad-btn-key{font-size:12px;}
  .space-btn{padding:10px;font-size:12px;}
  .panel{max-height:34vh;overflow-y:auto;}
}
@media (prefers-reduced-motion: reduce){ *{transition:none !important;} }

/* ---- focus mode: while inspection/solve is running, hide everything
   except the timer itself, regardless of what was open/collapsed before ---- */
body.focus-mode .scramble-box,
body.focus-mode .panel,
body.focus-mode .cube-panel{
  display:none !important;
}

/* ---- cube view panel (lower left corner, stays inline like the stats panel, added) ---- */
.cube-panel{
  position:fixed;
  left:22px;
  bottom:22px;
  z-index:40;
  width:auto;
  max-width:min(360px, calc(100vw - 44px));
  background:var(--panel-bg);
  border:1px solid var(--panel-border);
  border-radius:16px;
  padding:16px 18px 14px;
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  text-align:left;
}
.cube-panel.collapsed .cube-panel-body{display:none;}
.cube-panel.collapsed{padding:8px 12px;}
.cube-panel-toggle-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.cube-panel:not(.collapsed) .cube-panel-toggle-row{margin-bottom:10px;}
.cube-net-wrap{
  display:flex;
  justify-content:center;
  align-items:center;
  background:#141416;
  border:1px solid #2c2c30;
  border-radius:12px;
  padding:12px;
  overflow-x:auto;
}
.cube-net-wrap svg{
  display:block;
  max-width:100%;
  height:auto;
}
@media (max-width:768px){
  .cube-panel{left:16px;bottom:16px;}
  .cube-panel.collapsed{padding:8px 12px;}
}