:root{
  --bg:#0a0f1c; --panel:#111a2c; --panel2:#16213a; --line:#24345a; --ink:#eef2fa; --mut:#93a1c0;
  --amber:#f4b740; --amber2:#ffcb5e; --green:#3ccf8e; --red:#ff6b81; --blue:#6cc6ff;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*{box-sizing:border-box}
html,body{margin:0;background:var(--bg);color:var(--ink);
  font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif;font-size:16px;line-height:1.45}
body{background:radial-gradient(900px 420px at 50% -12%,#16305a66,transparent),var(--bg);min-height:100vh}
[hidden]{display:none!important}
button,input,select,textarea{font:inherit}
.wrap{max-width:560px;margin:0 auto;padding:12px max(16px,env(safe-area-inset-right)) 48px max(16px,env(safe-area-inset-left))}
.center{text-align:center} .muted{color:var(--mut)} .small{font-size:13px}
.top{position:sticky;top:0;z-index:20;display:flex;justify-content:space-between;align-items:center;
  padding:calc(10px + env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) 10px max(16px,env(safe-area-inset-left));
  background:#0a0f1ce6;backdrop-filter:blur(8px);border-bottom:1px solid var(--line)}
.logo{height:26px;width:auto}
.top-right{display:flex;align-items:center;gap:8px}
.icon-btn{position:relative;background:var(--panel2);border:1px solid var(--line);color:var(--ink);
  border-radius:10px;padding:6px 10px;font-size:18px;cursor:pointer}
.badge{position:absolute;top:-6px;right:-6px;background:var(--red);color:#fff;font-size:11px;font-weight:800;
  border-radius:999px;min-width:18px;height:18px;display:grid;place-items:center;padding:0 4px}
.net{font-size:12px;color:var(--mut);white-space:nowrap}
.net.pend{color:var(--amber2)} .net.ok{color:var(--green)}

.card{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:18px;margin:12px 0}
h1{font-size:26px;margin:4px 0 6px;text-wrap:balance} h2{font-size:20px;margin:0 0 8px;text-wrap:balance}
.hero{text-align:center;padding:22px 18px}
.hero .lock{font-size:46px;line-height:1}
label{display:block;font-size:13px;color:var(--mut);margin:12px 0 5px}
.inp{width:100%;padding:12px;border-radius:12px;border:1px solid var(--line);background:#0b1222;color:var(--ink);font-size:16px}
.inp:focus{outline:2px solid var(--amber);outline-offset:1px}
.btn{display:inline-block;background:var(--amber);color:#1a1205;border:0;border-radius:12px;padding:12px 18px;
  font-weight:800;cursor:pointer;text-decoration:none}
.btn:active{transform:translateY(1px)} .btn:disabled{opacity:.45;cursor:not-allowed}
.btn.block{display:block;width:100%}
.btn.ghost{background:transparent;color:var(--ink);border:1px solid var(--line)}
.btn.small{padding:8px 12px;font-size:14px}
.err{color:var(--red);font-size:14px;margin:8px 0 0}
.warnbox{border:1px solid #8a6a12;background:#241c07;color:#ffe2a0;border-radius:12px;padding:10px 12px;font-size:14px;margin:10px 0}
.rules{padding-left:18px;margin:8px 0} .rules li{margin:5px 0}

.status{display:flex;justify-content:space-between;align-items:center;gap:10px;flex-wrap:wrap}
.locks{font-size:18px;letter-spacing:2px}
.clock{font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:15px;color:var(--mut)}
.pts{font-weight:800;color:var(--amber2)}

.q{background:var(--panel);border:1px solid var(--line);border-radius:16px;padding:16px;margin:12px 0}
.q .qnum{font-size:12px;color:var(--mut);text-transform:uppercase;letter-spacing:.08em}
.q .qtitle{font-size:19px;font-weight:800;margin:2px 0 8px}
.q .qtext{white-space:pre-wrap;margin:0 0 12px}
.q.done{border-color:#1f5d43;background:#0f1f1a}
.q.done .qtext{margin-bottom:6px;color:#cfe9dc}
.q .ans{font-family:var(--mono);color:var(--green);font-size:14px}
.q .row{display:flex;gap:8px}
.q .row .inp{flex:1;min-width:0}
.q .meta{display:flex;justify-content:space-between;gap:8px;flex-wrap:wrap;margin-top:10px;font-size:13px;color:var(--mut)}
.q .hint{border-left:3px solid var(--amber);background:#1d1808;padding:8px 10px;border-radius:0 10px 10px 0;margin:10px 0 0;font-size:14px}
.q .fb{min-height:20px;font-size:14px;margin-top:8px}
.q .fb.bad{color:var(--red)} .q .fb.good{color:var(--green)}
.q.rayo{border:2px solid var(--amber);background:linear-gradient(180deg,#2a1f05,#151006)}
.q.rayo .qnum{color:var(--amber2);font-weight:800}
.q.clave{border:2px solid var(--blue);background:linear-gradient(180deg,#0d2238,#0b1626)}
.q.clave .qnum{color:var(--blue);font-weight:800}
.pin{border:1px solid #2e6bd6;background:#0e1d38;border-radius:12px;padding:10px 12px;font-size:14px;margin:0 0 12px}
.pin b{color:var(--blue)}
.shake{animation:shake .35s}
@keyframes shake{25%{transform:translateX(-6px)}50%{transform:translateX(6px)}75%{transform:translateX(-3px)}}
.done-banner{text-align:center;border:1px solid #1f5d43;background:#0f1f1a;border-radius:16px;padding:18px;margin:12px 0}
.done-banner .big{font-size:40px}

.rank{list-style:none;padding:0;margin:8px 0}
.rank li{display:flex;justify-content:space-between;gap:10px;padding:8px 0;border-bottom:1px solid var(--line)}
.rank .n{font-weight:700}

.modal{position:fixed;inset:0;z-index:100;background:#03060dcc;display:grid;place-items:center;
  padding:max(16px,env(safe-area-inset-top)) max(16px,env(safe-area-inset-right)) max(16px,env(safe-area-inset-bottom)) max(16px,env(safe-area-inset-left))}
.modal-card{width:100%;max-width:480px;max-height:85vh;overflow:auto;background:var(--panel);border:2px solid var(--blue);
  border-radius:18px;padding:20px;box-shadow:0 20px 60px #000c}
.modal-title{font-size:20px;font-weight:800;margin-bottom:10px}
.modal-body{font-size:18px;white-space:pre-wrap}
.modal-body.list{font-size:15px;white-space:normal}
.modal-actions{display:flex;gap:8px;justify-content:flex-end;flex-wrap:wrap;margin-top:16px}
.hist{list-style:none;padding:0;margin:0}
.hist li{padding:10px 0;border-bottom:1px solid var(--line)}
.hist time{display:block;font-size:12px;color:var(--mut)}
@media (prefers-reduced-motion:reduce){.shake{animation:none}}

/* ---------------- Pregunta flash ---------------- */
.flash{position:relative;background:#ffd400;color:#111;border-radius:18px;padding:18px 18px 14px;margin:22px 6px 14px 0;
  box-shadow:0 10px 30px #ffd40033,0 2px 0 #b89600;animation:flashIn .55s cubic-bezier(.2,1.4,.4,1);
  transition:transform .65s cubic-bezier(.6,-0.3,.7,.4),opacity .65s ease,height .4s ease,margin .4s ease,padding .4s ease}
.flash *{color:#111}
.flash-bolt{position:absolute;top:-18px;right:-12px;width:54px;height:54px;border-radius:50%;background:#000;
  display:grid;place-items:center;box-shadow:0 4px 14px #0008;animation:boltPulse 1.2s ease-in-out infinite}
.flash-head{display:flex;justify-content:space-between;align-items:center;gap:10px;padding-right:44px;
  font-size:12px;font-weight:800;letter-spacing:.12em;text-transform:uppercase}
.flash-cd{font-family:var(--mono);font-size:15px;letter-spacing:0;background:#111;color:#ffd400!important;border-radius:8px;padding:2px 8px}
.flash-title{font-size:21px;font-weight:900;margin:8px 0 6px}
.flash-text{margin:0 0 12px;font-size:17px;white-space:pre-wrap}
.flash-row{display:flex;gap:8px}
.flash-inp{flex:1;min-width:0;padding:12px;border-radius:12px;border:2px solid #111;background:#fff8cc;font-size:16px}
.flash-inp:focus{outline:3px solid #111;outline-offset:1px}
.flash-btn{background:#111;color:#ffd400!important;border:0;border-radius:12px;padding:12px 18px;font-weight:900;cursor:pointer}
.flash .fb{min-height:20px;font-size:14px;margin-top:8px;font-weight:700}
.flash .fb.bad{color:#9a0018}
.flash-hint{border-left:3px solid #111;background:#ffe866;padding:8px 10px;border-radius:0 10px 10px 0;margin-top:8px;font-size:14px}
.flash-meta{display:flex;justify-content:space-between;align-items:center;gap:8px;flex-wrap:wrap;margin-top:8px;font-size:13px;font-weight:600}
.flash-link{background:transparent;border:2px solid #111;border-radius:10px;padding:6px 10px;font-weight:800;cursor:pointer}
.flash.escape-der{transform:translateX(140vw) rotate(14deg);opacity:0}
.flash.escape-izq{transform:translateX(-140vw) rotate(-14deg);opacity:0}
.flash.colapsar{height:0!important;margin:0!important;padding:0!important;overflow:hidden}
.float-pts{position:fixed;z-index:200;transform:translate(-50%,-50%);font-size:64px;font-weight:900;color:#2bff88;
  text-shadow:0 0 18px #00ff7a99,0 3px 0 #0a5c33;pointer-events:none;animation:floatUp 1.8s ease-out forwards}
@keyframes flashIn{0%{transform:scale(.6) rotate(-4deg);opacity:0}100%{transform:none;opacity:1}}
@keyframes boltPulse{50%{transform:scale(1.08)}}
@keyframes floatUp{0%{transform:translate(-50%,-30%) scale(.6);opacity:0}15%{transform:translate(-50%,-50%) scale(1.15);opacity:1}
  100%{transform:translate(-50%,-190%) scale(1);opacity:0}}
@media (prefers-reduced-motion:reduce){.flash,.flash-bolt,.float-pts{animation:none}.flash{transition:opacity .2s}}

/* ---------------- Lobby de burbujas (sala de espera) ---------------- */
/* Ocupa exactamente la altura disponible (sin scroll de página), así el contador de
   arriba nunca se esconde bajo la barra; el stage absorbe el espacio sobrante. */
.lobby{display:flex;flex-direction:column;align-items:center;text-align:center;
  height:calc(100svh - 124px);min-height:360px}
.lobby-count{margin:2px 0}
.lobby-num{font-size:48px;font-weight:900;line-height:1;color:var(--amber2);text-shadow:0 0 22px #f4b74055;font-variant-numeric:tabular-nums}
.lobby-lbl{font-size:12px;letter-spacing:.18em;text-transform:uppercase;color:var(--mut);margin-top:2px}
.lobby-title{font-size:18px;margin:8px 0;color:var(--ink)}
.lobby-stage{position:relative;width:100%;flex:1 1 auto;min-height:140px;margin:2px 0 8px;overflow:hidden;
  border:1px solid var(--line);border-radius:18px;background:radial-gradient(500px 260px at 50% 0%,#16305a44,transparent)}
.bubble{position:absolute;display:flex;align-items:center;justify-content:center;text-align:center;border-radius:50%;
  font-weight:800;color:#fff;padding:6px;word-break:break-word;line-height:1.05;overflow:hidden;
  border:2px solid var(--c);background:radial-gradient(circle at 35% 30%,color-mix(in srgb,var(--c) 42%,transparent),
  color-mix(in srgb,var(--c) 12%,transparent) 62%,rgba(255,255,255,.03));
  box-shadow:0 0 20px color-mix(in srgb,var(--c) 50%,transparent),inset 0 0 16px color-mix(in srgb,var(--c) 22%,transparent);
  text-shadow:0 1px 5px rgba(0,0,0,.55);transform:scale(0);transition:transform .35s cubic-bezier(.2,1.4,.4,1);will-change:left,top}
.bubble.in{transform:scale(1)}
.bubble.me{color:#1a1205;text-shadow:none;font-weight:900}
@media (prefers-reduced-motion:reduce){.bubble{transition:none}}