:root {
  --bg: #0f1115;
  --bg2: #171a21;
  --card: #1e222b;
  --card2: #262b36;
  --text: #f3f4f6;
  --muted: #9aa3b2;
  --accent: #ff8a00;
  --accent2: #ffb84d;
  --ok: #22c55e;
  --bad: #ef4444;
  --blue: #3b82f6;
  --radius: 18px;
}
* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html, body { margin: 0; padding: 0; background: var(--bg); color: var(--text); font-family: system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; height: 100%; overscroll-behavior: none; }
body { padding: env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left); user-select: none; -webkit-user-select: none; }
button { font: inherit; color: inherit; border: 0; cursor: pointer; }
[hidden] { display: none !important; }
h1, h2 { margin: 0; }

.screen { min-height: 100dvh; padding: 14px 16px 24px; max-width: 520px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.screen.center { align-items: center; justify-content: center; text-align: center; }

.top { display: flex; align-items: center; justify-content: space-between; gap: 10px; }
.top.slim h2 { font-size: 20px; }
.hello { font-size: 26px; font-weight: 800; }
.stats { display: flex; gap: 8px; }
.pill { background: var(--card); padding: 8px 12px; border-radius: 999px; font-size: 16px; }
.pill b { font-weight: 800; }

.card { background: var(--card); border-radius: var(--radius); padding: 14px; }
.car-card { display: flex; gap: 14px; align-items: center; }
.car-card.small { width: 100%; }
.car-art { width: 120px; height: 70px; flex: none; display: flex; align-items: center; justify-content: center; }
.car-art svg { width: 100%; height: 100%; }
.car-art.big { width: 240px; height: 140px; margin: 10px auto; }
.car-info { flex: 1; min-width: 0; }
.car-name { font-weight: 800; font-size: 20px; margin-bottom: 8px; }
.car-sub { color: var(--muted); font-size: 14px; margin-top: 6px; }
.bar { height: 14px; background: var(--bg); border-radius: 999px; overflow: hidden; }
.bar-fill { height: 100%; width: 0%; background: linear-gradient(90deg, var(--accent), var(--accent2)); border-radius: 999px; transition: width .8s ease; }

.today-card { display: flex; align-items: center; gap: 14px; position: relative; }
.ring { width: 76px; height: 76px; transform: rotate(-90deg); flex: none; }
.ring-bg { fill: none; stroke: var(--bg); stroke-width: 10; }
.ring-fg { fill: none; stroke: var(--ok); stroke-width: 10; stroke-linecap: round; stroke-dasharray: 264; stroke-dashoffset: 264; transition: stroke-dashoffset .8s ease; }
.today-min { font-size: 26px; font-weight: 800; }
.today-sub { color: var(--muted); font-size: 14px; }
.today-done { position: absolute; right: 16px; font-size: 34px; }

.menu { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.menu.row { grid-template-columns: 1fr 1fr; }
.btn { background: var(--card2); border-radius: var(--radius); padding: 16px; font-size: 18px; font-weight: 700; transition: transform .08s; }
.btn:active { transform: scale(.96); }
.btn.primary { background: var(--accent); color: #111; }
.btn.big { display: flex; flex-direction: column; align-items: center; gap: 6px; padding: 22px 12px; font-size: 20px; min-height: 140px; justify-content: center; }
.btn.big .ico { font-size: 40px; }
.btn.big small { color: rgba(255,255,255,.75); font-weight: 600; font-size: 13px; }
.btn.big.mul { background: linear-gradient(160deg, #ff8a00, #e3342f); }
.btn.big.add { background: linear-gradient(160deg, #3b82f6, #7c3aed); }
.btn.mid { padding: 18px 12px; position: relative; }
.btn.big2 { font-size: 22px; padding: 20px; }
.badge { position: absolute; top: 8px; right: 10px; background: var(--bad); color: #fff; border-radius: 999px; font-size: 12px; padding: 2px 7px; }
.sync-state { text-align: center; color: var(--muted); font-size: 12px; margin-top: auto; }

.icon-btn { background: var(--card); width: 46px; height: 46px; border-radius: 14px; font-size: 22px; display: flex; align-items: center; justify-content: center; }
.dots { display: flex; gap: 5px; flex-wrap: wrap; justify-content: center; }
.dot { width: 12px; height: 12px; border-radius: 50%; background: var(--card2); }
.dot.ok { background: var(--ok); }
.dot.bad { background: var(--bad); }
.dot.cur { background: var(--accent); transform: scale(1.25); }
.play-parts { font-weight: 800; font-size: 16px; }
.stage-title { text-align: center; color: var(--muted); font-size: 14px; }

.task-wrap { background: var(--card); border-radius: var(--radius); padding: 22px 14px 14px; position: relative; }
.task { display: flex; justify-content: center; align-items: baseline; gap: 12px; font-size: 56px; font-weight: 800; font-variant-numeric: tabular-nums; }
.task .op { color: var(--accent); }
.task .eq { color: var(--muted); }
.task .ans { min-width: 1.2em; text-align: center; color: var(--accent2); border-bottom: 4px solid var(--accent2); padding: 0 6px; }
.task.correct .ans { color: var(--ok); border-color: var(--ok); }
.task.wrong .ans { color: var(--bad); border-color: var(--bad); animation: shake .4s; }
@keyframes shake { 0%,100% { transform: translateX(0); } 25% { transform: translateX(-8px); } 75% { transform: translateX(8px); } }
.speak { position: absolute; top: 10px; right: 10px; width: 40px; height: 40px; font-size: 18px; }
.timer { height: 6px; background: var(--bg); border-radius: 999px; margin-top: 16px; overflow: hidden; }
.timer-fill { height: 100%; width: 100%; background: var(--ok); transition: width .25s linear, background .3s; }

.choices { display: grid; grid-template-columns: 1fr; gap: 12px; }
.choices button { background: var(--card2); border-radius: var(--radius); padding: 22px; font-size: 38px; font-weight: 800; }
.choices button.ok { background: var(--ok); color: #fff; }
.choices button.bad { background: var(--bad); color: #fff; }

.keypad { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.keypad button { background: var(--card2); border-radius: var(--radius); padding: 18px; font-size: 32px; font-weight: 800; min-height: 72px; }
.keypad .k-ok { background: var(--ok); color: #fff; }
.keypad .k-del { background: var(--card); color: var(--muted); }

.feedback { background: var(--card); border-radius: var(--radius); padding: 18px; text-align: center; display: flex; flex-direction: column; gap: 8px; align-items: center; }
.fb-icon { font-size: 56px; }
.fb-text { font-size: 30px; font-weight: 800; }
.fb-points { color: var(--accent2); font-weight: 800; font-size: 22px; min-height: 28px; }

.end-stars { font-size: 56px; letter-spacing: 6px; }
.end-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; width: 100%; }
.end-item { background: var(--card); border-radius: var(--radius); padding: 14px 8px; }
.end-num { font-size: 30px; font-weight: 800; }
.end-lbl { color: var(--muted); font-size: 13px; }
.end-btns { display: flex; flex-direction: column; gap: 10px; width: 100%; }

.garage-list, .rewards-list { display: flex; flex-direction: column; gap: 10px; }
.garage-item { display: flex; align-items: center; gap: 12px; background: var(--card); border-radius: var(--radius); padding: 10px 14px; }
.garage-item.locked { opacity: .45; filter: grayscale(1); }
.garage-item .car-art { width: 90px; height: 54px; }
.garage-item .nm { font-weight: 800; font-size: 18px; }
.garage-item .need { color: var(--muted); font-size: 13px; }

.reward-item { background: var(--card); border-radius: var(--radius); padding: 14px; display: flex; flex-direction: column; gap: 8px; }
.reward-item .title { font-weight: 800; font-size: 18px; }
.reward-item .sub { color: var(--muted); font-size: 14px; }
.reward-item .btn { align-self: flex-start; padding: 10px 16px; }
.reward-item.claimed { border: 2px solid var(--ok); }
.empty { color: var(--muted); text-align: center; padding: 30px 10px; }

.overlay { position: fixed; inset: 0; background: rgba(10,12,16,.96); display: flex; align-items: center; justify-content: center; z-index: 50; padding: 20px; }
.break-box, .cele-box { text-align: center; width: 100%; max-width: 420px; }
.break-ico, .cele-ico { font-size: 80px; }
.break-until { color: var(--muted); font-size: 22px; margin-top: 8px; }
.break-count { font-size: 72px; font-weight: 800; font-variant-numeric: tabular-nums; margin: 10px 0; }
.cele-sub { font-size: 20px; margin: 10px 0 18px; }
.cele-box h2 { font-size: 34px; }
.cele-ico { animation: pop .6s ease; }
@keyframes pop { 0% { transform: scale(.3); } 70% { transform: scale(1.2); } 100% { transform: scale(1); } }

.setup-box { margin: auto; text-align: center; display: flex; flex-direction: column; gap: 12px; width: 100%; max-width: 360px; }
.setup-box .logo { font-size: 72px; }
.setup-box input { font-size: 18px; padding: 14px; border-radius: 12px; border: 2px solid var(--card2); background: var(--card); color: var(--text); text-align: center; }
.err { color: var(--bad); }

.toast { position: fixed; bottom: 24px; left: 50%; transform: translateX(-50%); background: var(--card2); padding: 12px 18px; border-radius: 999px; font-weight: 700; z-index: 60; box-shadow: 0 6px 24px rgba(0,0,0,.4); }

.confetti { position: fixed; top: -10px; width: 10px; height: 16px; z-index: 55; animation: fall 2.2s linear forwards; pointer-events: none; }
@keyframes fall { to { transform: translateY(110vh) rotate(720deg); opacity: .3; } }

@media (min-height: 760px) {
  .task { font-size: 64px; }
  .keypad button { min-height: 84px; }
}