/* PONG³ — same deep field, teal and gold as snake-app / play-app / cube-app.
   This page NEVER scrolls: it is a game surface, not a document. The 3D stage
   fills what is left after the pad, so the layout works from 320px up without
   a single sideways pixel. */

:root{
  --bg:#070a0f;
  --bg2:#0b111a;
  --ink:#dfe9ee;
  --dim:#6d8494;
  --teal:#3fd7c4;
  --teal-dk:#1b6f68;
  --gold:#e8b24a;
  --gold-dk:#7a5c1f;
  --line:rgba(63,215,196,.20);
  --bad:#ff5964;
  --ease:cubic-bezier(.2,.8,.2,1);
  --pad-h:min(58vw,300px);
}

*{box-sizing:border-box;margin:0;padding:0}
html,body{height:100%;-webkit-text-size-adjust:100%}

body{
  background:var(--bg);
  color:var(--ink);
  font-family:ui-monospace,SFMono-Regular,"SF Mono",Menlo,Consolas,monospace;
  overflow:hidden;                 /* belt AND braces: no scroll in any direction */
  overscroll-behavior:none;
  -webkit-tap-highlight-color:transparent;
  touch-action:none;               /* the pad owns touch; nothing pans the page */
}

/* ------------------------------------------------------------------ stage */
#stage{position:fixed; inset:0; z-index:0}
#scene{display:block; width:100%; height:100%}
#vignette{
  position:fixed; inset:0; z-index:1; pointer-events:none;
  background:
    radial-gradient(1000px 620px at 20% -10%, rgba(63,215,196,.09), transparent 60%),
    radial-gradient(760px 520px at 110% 110%, rgba(232,178,74,.07), transparent 60%),
    radial-gradient(120% 90% at 50% 45%, transparent 40%, rgba(3,5,8,.72) 100%);
}

/* ---------------------------------------------------------------- top bar */
#topbar{
  position:fixed; top:0; left:0; right:0; z-index:6;
  display:flex; align-items:center; justify-content:space-between; gap:8px;
  padding:calc(10px + env(safe-area-inset-top)) 14px 10px;
  font-size:12px; letter-spacing:.16em;
  background:linear-gradient(180deg,rgba(7,10,15,.92),rgba(7,10,15,.55) 70%,transparent);
  pointer-events:none;
}
#topbar>*{pointer-events:auto}
#brand{color:var(--dim); font-weight:700}
#brand span{color:var(--teal)}
#conn{display:flex; align-items:center; gap:7px; font-size:10.5px; letter-spacing:.12em; color:var(--dim)}
#conn-dot{width:7px;height:7px;border-radius:50%;background:var(--dim);box-shadow:0 0 8px currentColor}
#conn.ok #conn-dot{background:var(--teal)}
#conn.ok #conn-text{color:var(--teal-dk)}
#conn.wait #conn-dot{background:var(--gold); animation:blink 1s infinite}
#conn.bad #conn-dot{background:var(--bad)}
@keyframes blink{50%{opacity:.25}}
#mute{
  background:none;border:1px solid var(--line);border-radius:9px;color:var(--dim);
  font-size:13px;padding:3px 7px;cursor:pointer
}

/* -------------------------------------------------------------- scorebar */
#scorebar{
  position:fixed; z-index:5; left:0; right:0;
  top:calc(42px + env(safe-area-inset-top));
  display:flex; align-items:center; justify-content:center; gap:10px;
  padding:6px 12px;
}
#scorebar.hidden{display:none}
.sb{display:flex; align-items:center; gap:8px; min-width:0}
.sb .nm{
  font-size:11px; letter-spacing:.08em; color:var(--dim);
  max-width:26vw; overflow:hidden; text-overflow:ellipsis; white-space:nowrap
}
.sb .sc{font-size:26px; font-weight:700; line-height:1}
.side-a .sc{color:var(--teal)}
.side-b .sc{color:var(--gold)}
.sb-mid{
  display:flex; flex-direction:column; align-items:center; gap:2px;
  font-size:9.5px; letter-spacing:.14em; color:var(--dim); min-width:74px
}
/* This file styles `.hidden` per element rather than globally, so a new element that
   relies on a bare `.hidden` silently stays visible -- which is exactly how OVERTIME
   ended up lit at rally 0. Keep adding the rule when you add the element. */
#sb-ot{color:var(--gold); animation:blink .6s infinite}
#sb-ot.hidden{display:none}
.sb.you .nm{color:var(--ink)}
.sb.you .nm::after{content:" ·you"; color:var(--teal)}

/* --------------------------------------------------------------- screens */
.screen{
  position:fixed; z-index:4; left:0; right:0;
  top:calc(56px + env(safe-area-inset-top)); bottom:0;
  display:flex; flex-direction:column; align-items:center; justify-content:center;
  gap:12px; padding:12px 16px calc(16px + env(safe-area-inset-bottom));
  text-align:center; overflow-y:auto; overflow-x:hidden;
  background:linear-gradient(180deg,rgba(7,10,15,.55),rgba(7,10,15,.86));
  backdrop-filter:blur(3px);
}
.screen.hidden{display:none}

.wordmark{font-size:clamp(34px,13vw,58px); font-weight:800; letter-spacing:.06em; line-height:1}
.wordmark .cube3{color:var(--teal)}
.tagline{font-size:11.5px; letter-spacing:.16em; color:var(--dim); margin-top:-4px}

.stack{display:flex; flex-direction:column; gap:9px; width:100%; max-width:320px}

#name-input{
  width:100%; padding:11px 13px; border-radius:11px; text-align:center;
  background:rgba(11,17,26,.85); border:1px solid var(--line); color:var(--ink);
  font-family:inherit; font-size:14px; letter-spacing:.08em
}
#name-input::placeholder{color:var(--dim)}
#name-input:focus{outline:none; border-color:var(--teal); box-shadow:0 0 0 3px rgba(63,215,196,.12)}

.seg{display:flex; gap:6px; width:100%}
.seg-pill{
  flex:1 1 0; min-width:0; padding:9px 4px; border-radius:11px; cursor:pointer;
  background:rgba(11,17,26,.8); border:1px solid var(--line); color:var(--dim);
  font-family:inherit; font-size:12px; letter-spacing:.06em;
  display:flex; flex-direction:column; align-items:center; gap:2px;
  transition:all .18s var(--ease)
}
.seg.small .seg-pill{font-size:11px; padding:7px 3px}
.seg-pill .seg-name{font-weight:700}
.seg-pill .seg-hint{font-size:9px; letter-spacing:.1em; opacity:.75}
.seg-pill.on{color:var(--ink); border-color:var(--teal); background:rgba(63,215,196,.10)}

.primary{
  width:100%; padding:14px; border-radius:12px; cursor:pointer;
  background:linear-gradient(135deg,var(--teal),#2aa89b); border:none; color:#04120f;
  font-family:inherit; font-size:15px; font-weight:800; letter-spacing:.18em;
  box-shadow:0 6px 22px rgba(63,215,196,.24)
}
.primary.small{padding:10px; font-size:12.5px}
.primary:active{transform:translateY(1px)}
.primary[disabled]{opacity:.45; box-shadow:none}
.ghost{
  padding:9px 16px; border-radius:11px; cursor:pointer;
  background:none; border:1px solid var(--line); color:var(--dim);
  font-family:inherit; font-size:12px; letter-spacing:.12em
}
.link{background:none;border:none;color:var(--dim);font-family:inherit;font-size:11.5px;letter-spacing:.1em;cursor:pointer}

#howto{
  width:100%; max-width:340px; display:flex; flex-direction:column; gap:8px;
  text-align:left; font-size:11.5px; line-height:1.5; color:var(--dim)
}
#howto.hidden{display:none}
#howto .row{display:flex; gap:9px}
#howto .lead{flex:0 0 62px; color:var(--teal); letter-spacing:.06em}
#howto em{color:var(--ink); font-style:normal}
#howto b{color:var(--gold)}

.cube-note{font-size:10px; letter-spacing:.12em; color:var(--dim); opacity:.8; max-width:300px}
.quiet{font-size:10.5px; letter-spacing:.1em; color:var(--dim); opacity:.8}

#live-banner{
  font-size:11px; letter-spacing:.1em; color:var(--gold);
  border:1px solid rgba(232,178,74,.3); border-radius:10px; padding:7px 12px;
  background:rgba(232,178,74,.07); max-width:320px
}
#live-banner.hidden{display:none}

/* lobby */
#screen-lobby h2{font-size:16px; letter-spacing:.1em; font-weight:700}
#lobby-sub{font-size:11.5px; color:var(--dim); max-width:280px; line-height:1.5}
#lobby-count{font-size:44px; font-weight:800; color:var(--teal)}
.pulse-ring{
  width:54px;height:54px;border-radius:50%;
  border:2px solid var(--teal); animation:ring 1.6s infinite var(--ease)
}
@keyframes ring{0%{transform:scale(.7);opacity:.9}100%{transform:scale(1.35);opacity:0}}

/* countdown */
#count-num{font-size:clamp(72px,26vw,128px); font-weight:800; color:var(--teal); line-height:1}
#count-sub{font-size:11.5px; letter-spacing:.16em; color:var(--dim)}

/* spectate + gameover */
#screen-spectate{background:none; backdrop-filter:none; justify-content:flex-end; pointer-events:none}
#screen-spectate>*{pointer-events:auto}
#spec-banner{font-size:12px; letter-spacing:.08em; color:var(--dim)}
#spec-banner b{color:var(--ink)}
#spec-queue{font-size:11px; color:var(--gold)}
#spec-queue.hidden{display:none}

#go-title{font-size:clamp(28px,10vw,44px); font-weight:800; letter-spacing:.08em}
#go-title.win{color:var(--teal)} #go-title.lose{color:var(--gold)}
#go-score{font-size:30px; font-weight:700; letter-spacing:.1em}
#go-sub{font-size:11.5px; color:var(--dim); max-width:300px; line-height:1.5}
.go-actions{display:flex; flex-direction:column; gap:8px; width:100%; max-width:280px; align-items:stretch}

/* ------------------------------------------------------------------- pad */
#controls{
  position:fixed; z-index:5; left:0; right:0;
  bottom:calc(8px + env(safe-area-inset-bottom));
  display:flex; justify-content:center; pointer-events:none
}
#controls.hidden{display:none}
#pad-wrap{pointer-events:auto; display:flex; flex-direction:column; align-items:center; gap:5px}
#pad{
  width:var(--pad-h); height:var(--pad-h); display:block;
  border-radius:16px; touch-action:none; cursor:crosshair;
  background:rgba(6,10,15,.72);
  border:1px solid var(--line);
  box-shadow:0 10px 34px rgba(0,0,0,.5), inset 0 0 30px rgba(63,215,196,.05)
}
#pad-label{font-size:9.5px; letter-spacing:.14em; color:var(--dim); opacity:.75}

/* --------------------------------------------------------------- toasts */
#toast{
  position:fixed; z-index:9; left:50%; transform:translateX(-50%);
  top:calc(84px + env(safe-area-inset-top));
  max-width:min(90vw,340px); padding:9px 14px; border-radius:11px;
  background:rgba(11,17,26,.94); border:1px solid var(--line);
  font-size:11.5px; letter-spacing:.06em; color:var(--ink); line-height:1.45;
  text-align:center; transition:opacity .3s
}
#toast.hidden{opacity:0; pointer-events:none}
#toast.cube{border-color:rgba(232,178,74,.4); color:var(--gold)}

#conn-lost{
  position:fixed; z-index:9; left:50%; bottom:calc(var(--pad-h) + 40px);
  transform:translateX(-50%);
  display:flex; align-items:center; gap:8px; padding:8px 14px; border-radius:11px;
  background:rgba(11,17,26,.94); border:1px solid rgba(255,89,100,.35);
  font-size:11px; letter-spacing:.1em; color:var(--bad)
}
#conn-lost.hidden{display:none}
.spin{width:9px;height:9px;border:2px solid var(--bad);border-top-color:transparent;border-radius:50%;animation:sp .8s linear infinite}
@keyframes sp{to{transform:rotate(360deg)}}

/* point flash */
#flash{
  position:fixed; inset:0; z-index:3; pointer-events:none; opacity:0;
  transition:opacity .28s var(--ease)
}
#flash.a{background:radial-gradient(60% 45% at 50% 78%, rgba(63,215,196,.28), transparent 70%); opacity:1}
#flash.b{background:radial-gradient(60% 45% at 50% 22%, rgba(232,178,74,.26), transparent 70%); opacity:1}

/* when a match is running the attract screen must not eat the stage */
body.playing .screen:not(#screen-spectate){pointer-events:none}

/* short phones: shrink the pad rather than let anything overflow */
@media (max-height:640px){ :root{--pad-h:min(48vw,220px)} }
@media (max-height:540px){ :root{--pad-h:min(40vw,180px)} #howto{display:none} }