:root{
  --ink:#202D44;--ink2:#2f3d58;--cream:#F7F7F4;--paper:#FFFDF8;--sand:#F1C27D;
  --amber:#D08B42;--coral:#E8657A;--teal:#2AA6A6;--green:#4FAD68;--red:#D95B63;
  --muted:#7B8494;--line:#E8E1D8;--shadow:0 14px 34px rgba(32,45,68,.10);
  --safe-top:env(safe-area-inset-top);--safe-bottom:env(safe-area-inset-bottom)
}
*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}
html,body{margin:0;min-height:100%;background:var(--cream);color:var(--ink);font-family:ui-rounded,-apple-system,BlinkMacSystemFont,"SF Pro Rounded","Arial Rounded MT Bold","Segoe UI",sans-serif}
body{min-height:100dvh}.hidden{display:none!important}button,input,select{font:inherit}.app-shell{max-width:780px;margin:0 auto;min-height:100dvh;padding-bottom:calc(82px + var(--safe-bottom))}
.topbar{position:sticky;top:0;z-index:30;display:grid;grid-template-columns:48px 1fr 48px;align-items:center;padding:calc(8px + var(--safe-top)) 14px 8px;background:rgba(247,247,244,.94);backdrop-filter:blur(18px);border-bottom:1px solid rgba(232,225,216,.7)}
.brand{grid-column:2;justify-self:center;display:flex;align-items:center;gap:7px;border:0;background:transparent;color:var(--ink);font-weight:1000;letter-spacing:.8px;font-size:18px}.brand-dog{width:34px;height:34px;object-fit:contain}.icon-btn{width:42px;height:42px;border-radius:14px;border:1px solid var(--line);background:var(--paper);color:var(--ink);font-size:24px}.icon-btn{grid-column:1}.offline-badge{grid-column:3;justify-self:end;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;color:var(--green);background:#e8f6ec;border:1px solid #cce9d4;font-size:12px}.offline-badge.online{color:var(--teal);background:#e6f7f7;border-color:#c8ecec}.offline-badge.warn{color:var(--amber);background:#fff3df;border-color:#f1dcb7}
.main{padding:18px 16px 26px}.bottom-nav{position:fixed;z-index:40;bottom:0;left:50%;transform:translateX(-50%);width:min(780px,100%);height:calc(72px + var(--safe-bottom));padding:7px 10px var(--safe-bottom);display:grid;grid-template-columns:repeat(4,1fr);background:rgba(255,253,248,.97);backdrop-filter:blur(18px);border-top:1px solid var(--line)}.nav-btn{border:0;background:transparent;color:var(--muted);display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;border-radius:14px;font-weight:800}.nav-btn span{font-size:20px}.nav-btn small{font-size:11px}.nav-btn.active{color:var(--teal);background:#eef9f8}
.hero{position:relative;overflow:hidden;background:linear-gradient(145deg,#fff8e9 0%,#fffdf8 60%,#eef9f8 100%);border:1px solid var(--line);box-shadow:var(--shadow);border-radius:30px;padding:24px 20px 16px;text-align:center}.hero:before,.hero:after{content:"🐾";position:absolute;color:rgba(208,139,66,.16);font-size:70px;transform:rotate(-18deg)}.hero:before{left:-8px;top:20px}.hero:after{right:-8px;bottom:18px;transform:rotate(16deg)}.hero h1{font-size:clamp(38px,10vw,62px);line-height:.95;margin:4px 0 8px;letter-spacing:-2px;text-shadow:0 3px 0 #f1c27d}.hero p{margin:0 auto 8px;max-width:420px;font-size:16px;font-weight:700;color:var(--ink2)}.hero-dog{height:260px;max-width:92%;object-fit:contain;filter:drop-shadow(0 10px 15px rgba(32,45,68,.12))}.alias-chip{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:8px 13px;font-weight:900;color:var(--coral);box-shadow:0 5px 12px rgba(32,45,68,.07)}
.stack{display:grid;gap:12px}.section-title{margin:22px 4px 10px;font-size:18px}.btn{border:0;border-radius:18px;min-height:56px;padding:13px 17px;font-weight:950;cursor:pointer;transition:transform .12s ease,filter .12s ease}.btn:active{transform:scale(.985)}.btn-primary{background:var(--coral);color:white;box-shadow:0 8px 18px rgba(232,101,122,.25)}.btn-secondary{background:var(--teal);color:white;box-shadow:0 8px 18px rgba(42,166,166,.20)}.btn-dark{background:var(--ink);color:white}.btn-soft{background:var(--paper);border:1px solid var(--line);color:var(--ink)}.btn-danger{background:#fff0f1;color:#b23d48;border:1px solid #f0c9cd}.btn-inline{min-height:44px;border-radius:14px;padding:9px 13px}.button-row{display:flex;gap:10px;flex-wrap:wrap}.button-row>*{flex:1}
.mode-grid{display:grid;grid-template-columns:1fr;gap:14px}.mode-card{position:relative;overflow:hidden;display:grid;grid-template-columns:1fr 120px;min-height:176px;border-radius:28px;padding:20px;border:1px solid var(--line);box-shadow:var(--shadow);text-align:left;background:var(--paper);color:var(--ink)}.mode-card.solo{background:linear-gradient(145deg,#e5f7f6,#fff)}.mode-card.duo{background:linear-gradient(145deg,#fff0d7,#fff)}.mode-card h2{margin:0 0 7px;font-size:27px}.mode-card p{margin:0;color:var(--ink2);font-weight:700;line-height:1.35}.mode-card img{position:absolute;right:4px;bottom:-4px;width:135px;height:150px;object-fit:contain}.tiny-note{font-size:12px;color:var(--muted);line-height:1.4}
.cards{display:grid;gap:10px}.game-card{display:grid;grid-template-columns:46px 1fr 24px;align-items:center;gap:10px;border:1px solid var(--line);background:var(--paper);border-radius:18px;padding:12px 14px;text-align:left;color:var(--ink);box-shadow:0 5px 12px rgba(32,45,68,.05)}.game-card .emoji{width:44px;height:44px;border-radius:14px;background:#fff5df;display:grid;place-items:center;font-size:22px}.game-card strong{display:block;font-size:15px}.game-card small{display:block;color:var(--muted);font-weight:650;margin-top:2px}.game-card .arrow{font-size:20px;color:var(--muted)}
.panel{background:var(--paper);border:1px solid var(--line);border-radius:24px;padding:17px;box-shadow:0 7px 20px rgba(32,45,68,.06)}.field{display:grid;gap:7px;margin-bottom:15px}.field label,.field .label{font-size:13px;font-weight:900}.input,.select{width:100%;min-height:50px;border:1px solid var(--line);border-radius:15px;background:#fff;padding:10px 13px;color:var(--ink);outline:none}.input:focus,.select:focus{border-color:var(--teal);box-shadow:0 0 0 3px rgba(42,166,166,.12)}.segmented{display:grid;grid-template-columns:repeat(5,1fr);gap:7px}.seg{border:1px solid var(--line);background:#fff;border-radius:13px;padding:11px 4px;font-size:13px;font-weight:900;color:var(--ink)}.seg.active{background:var(--ink);color:#fff;border-color:var(--ink)}.chips{display:flex;gap:7px;flex-wrap:wrap}.chip{border:1px solid var(--line);background:#fff;border-radius:999px;padding:9px 11px;font-size:12px;font-weight:850;color:var(--ink)}.chip.active{background:#e9f7f6;border-color:#9ddbd8;color:#167c7c}.diff-1.active{background:#eaf7ec;border-color:#a7dbb2;color:#297a3b}.diff-2.active{background:#e8f6fb;border-color:#a8d8e7;color:#207897}.diff-3.active{background:#fff4de;border-color:#ebca8e;color:#9b6718}.diff-4.active{background:#fdebed;border-color:#e7a5ad;color:#a22f3c}.toggle-row{display:flex;justify-content:space-between;align-items:center;gap:15px}.switch{position:relative;width:54px;height:32px}.switch input{opacity:0;width:0;height:0}.slider{position:absolute;inset:0;border-radius:999px;background:#d4d8de;transition:.2s}.slider:before{content:"";position:absolute;width:24px;height:24px;left:4px;top:4px;border-radius:50%;background:white;box-shadow:0 2px 5px rgba(0,0,0,.16);transition:.2s}.switch input:checked+.slider{background:var(--teal)}.switch input:checked+.slider:before{transform:translateX(22px)}
.pass-card{text-align:center;padding:28px 20px}.pass-card img{height:230px;max-width:85%;object-fit:contain}.pass-card .turn-name{font-size:32px;font-weight:1000;margin:4px 0}.pass-card p{color:var(--muted);font-weight:750}.quiz-head{display:grid;gap:9px;margin-bottom:13px}.quiz-topline{display:flex;justify-content:space-between;align-items:center;gap:8px}.badge{display:inline-flex;align-items:center;border-radius:999px;padding:6px 10px;font-size:11px;font-weight:950;background:#eef2f5;color:var(--ink)}.badge.diff1{background:#eaf7ec;color:#297a3b}.badge.diff2{background:#e8f6fb;color:#207897}.badge.diff3{background:#fff4de;color:#9b6718}.badge.diff4{background:#fdebed;color:#a22f3c}.progress{height:8px;border-radius:99px;background:#e8e9e9;overflow:hidden}.progress>span{display:block;height:100%;background:linear-gradient(90deg,var(--teal),#62c3b6);border-radius:inherit;transition:width .3s}.scoreline{display:flex;gap:8px;justify-content:space-between;font-size:13px;font-weight:900;color:var(--ink2)}.timer{font-variant-numeric:tabular-nums}.timer.urgent{color:var(--red)}.question-card{position:relative;background:var(--paper);border:1px solid var(--line);border-radius:28px;padding:17px 17px 20px;box-shadow:var(--shadow)}.question-dog{height:115px;width:130px;object-fit:contain;display:block;margin:-15px auto 1px}.question{font-size:clamp(20px,5.8vw,28px);line-height:1.25;font-weight:1000;text-align:center;margin:7px 0 18px}.answers{display:grid;gap:10px}.answer{display:grid;grid-template-columns:37px 1fr;align-items:center;gap:10px;min-height:59px;text-align:left;border:1px solid #dcdfe3;background:#fff;border-radius:17px;padding:9px 12px;color:var(--ink);font-weight:800}.answer .letter{width:34px;height:34px;display:grid;place-items:center;border-radius:11px;background:#f3f3f2;font-weight:1000}.answer.correct{border-color:#8dcea0;background:#edf9f0}.answer.correct .letter{background:var(--green);color:#fff}.answer.wrong{border-color:#e8a0a7;background:#fff0f1}.answer.wrong .letter{background:var(--red);color:#fff}.answer.dim{opacity:.45}.feedback{margin-top:13px;border-radius:20px;padding:14px 15px;background:#f5f5f2;border:1px solid var(--line)}.feedback.good{background:#edf9f0;border-color:#cce8d4}.feedback.bad{background:#fff0f1;border-color:#f0c9cd}.feedback h3{margin:0 0 6px}.feedback p{margin:0;line-height:1.42;font-weight:650;color:var(--ink2)}.feedback-dog{width:90px;height:85px;object-fit:contain;float:right;margin:-8px -5px 4px 10px}.hearts{letter-spacing:3px;color:var(--coral)}
.result{text-align:center}.result img{height:240px;max-width:90%;object-fit:contain}.result h1{font-size:34px;margin:0 0 5px}.big-score{font-size:56px;font-weight:1000;line-height:1;margin:10px 0}.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:10px;margin:15px 0}.metric{background:#fff;border:1px solid var(--line);border-radius:18px;padding:14px}.metric strong{display:block;font-size:24px}.metric small{color:var(--muted);font-weight:700}.duel-score{display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:8px}.player-score{background:#fff;border:1px solid var(--line);border-radius:20px;padding:15px}.player-score.winner{border-color:#d9aa4c;background:#fff8e8}.player-score strong{display:block;font-size:28px}.vs{font-weight:1000;color:var(--muted)}
.stats-header{display:grid;grid-template-columns:1fr 120px;align-items:center;background:linear-gradient(145deg,#e8f7f6,#fff8e8);border:1px solid var(--line);border-radius:25px;padding:17px}.stats-header img{width:115px;height:110px;object-fit:contain}.stats-header .number{font-size:38px;font-weight:1000}.bar-list{display:grid;gap:11px}.bar-item{display:grid;grid-template-columns:minmax(110px,1fr) 2fr 50px;align-items:center;gap:8px;font-size:12px;font-weight:800}.bar-track{height:9px;border-radius:99px;background:#ecebe8;overflow:hidden}.bar-fill{height:100%;border-radius:inherit;background:var(--teal)}.bar-value{text-align:right}.empty{text-align:center;color:var(--muted);padding:20px;font-weight:700}
.toast{position:fixed;z-index:80;left:50%;bottom:calc(84px + var(--safe-bottom));transform:translateX(-50%);max-width:min(360px,calc(100% - 30px));background:var(--ink);color:#fff;border-radius:15px;padding:11px 15px;font-size:13px;font-weight:850;box-shadow:0 10px 28px rgba(32,45,68,.24);text-align:center}.chip:disabled{opacity:.38;cursor:not-allowed}
.notice{border-radius:18px;padding:13px 14px;background:#fff7e8;border:1px solid #edd5aa;color:#77531a;font-size:13px;font-weight:700;line-height:1.4}.install-steps{counter-reset:step;display:grid;gap:10px}.install-step{counter-increment:step;display:grid;grid-template-columns:40px 1fr;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:17px;padding:12px}.install-step:before{content:counter(step);width:36px;height:36px;border-radius:50%;display:grid;place-items:center;background:var(--teal);color:white;font-weight:1000}.version{color:var(--muted);font-size:11px;text-align:center;margin-top:18px}.kbd{font-family:ui-monospace,monospace;background:#f0f0ed;border:1px solid #ddd;border-bottom-width:2px;padding:2px 6px;border-radius:7px}
@media(min-width:680px){.main{padding:25px}.mode-grid{grid-template-columns:1fr 1fr}.mode-card{grid-template-columns:1fr 105px}.cards{grid-template-columns:1fr 1fr}.metric-grid{grid-template-columns:repeat(4,1fr)}}
@media(max-width:380px){.segmented{grid-template-columns:repeat(3,1fr)}.hero-dog{height:220px}.question{font-size:20px}.brand span{font-size:16px}}
@media(prefers-reduced-motion:no-preference){.hero-dog,.question-dog{animation:bob 4s ease-in-out infinite}@keyframes bob{0%,100%{transform:translateY(0)}50%{transform:translateY(-5px)}}}