:root{--c-cyan: #22D3EE;--c-blue: #0EA5E9;--c-coral: #FF8A3D;--bg-deep: #04121F;--bg-mid: #072033;--bg-panel: #0B2C42;--t-primary: #E8F7FF;--t-secondary: #9FD8EE;--f-ok: #34D399;--f-warn: #FBBF24;--f-bad: #FB7185;--glass-bg: rgba(11, 44, 66, .55);--glass-bg-strong: rgba(7, 32, 51, .82);--glass-border: rgba(34, 211, 238, .28);--glass-shadow: 0 18px 48px rgba(2, 10, 20, .55);--glow-cyan: 0 0 22px rgba(34, 211, 238, .45);--ease: cubic-bezier(.22, .61, .36, 1);--dur: .2s;--pad-btn: 72px;--safe-b: env(safe-area-inset-bottom, 0px);--safe-t: env(safe-area-inset-top, 0px);--safe-l: env(safe-area-inset-left, 0px);--safe-r: env(safe-area-inset-right, 0px)}*{box-sizing:border-box;-webkit-tap-highlight-color:transparent}html,body{margin:0;padding:0;height:100%;overflow:hidden;background:var(--bg-deep);color:var(--t-primary);font-family:PingFang SC,Hiragino Sans GB,Microsoft YaHei,system-ui,-apple-system,sans-serif;font-size:15px;-webkit-font-smoothing:antialiased}body{overscroll-behavior:none;touch-action:none;user-select:none;-webkit-user-select:none}#game-canvas{position:fixed;top:0;right:0;bottom:0;left:0;width:100%;height:100%;display:block;touch-action:none;background:radial-gradient(120% 90% at 50% 0%,#0b2c42,#072033 45%,#04121f)}.ui-root{position:fixed;top:0;right:0;bottom:0;left:0;pointer-events:none;z-index:10;padding:calc(12px + var(--safe-t)) calc(12px + var(--safe-r)) calc(12px + var(--safe-b)) calc(12px + var(--safe-l));display:flex;flex-direction:column}.glass{background:var(--glass-bg);border:1px solid var(--glass-border);border-radius:18px;box-shadow:var(--glass-shadow),inset 0 1px #ffffff14;backdrop-filter:blur(14px) saturate(140%);-webkit-backdrop-filter:blur(14px) saturate(140%)}.btn{pointer-events:auto;cursor:pointer;border:none;font-family:inherit;font-weight:700;color:#04202e;border-radius:999px;background:linear-gradient(135deg,var(--c-cyan),var(--c-blue));box-shadow:0 10px 26px #0ea5e959,inset 0 1px #ffffff73;transition:transform var(--dur) var(--ease),box-shadow var(--dur) var(--ease),filter var(--dur) var(--ease)}.btn:hover{filter:brightness(1.08);box-shadow:0 14px 32px #22d3ee73,inset 0 1px #ffffff80}.btn:active{transform:scale(.95);box-shadow:0 6px 16px #0ea5e94d}.btn--ghost{color:var(--t-primary);background:#e8f7ff14;border:1px solid var(--glass-border);box-shadow:none}.boot{position:fixed;top:0;right:0;bottom:0;left:0;z-index:100;display:flex;align-items:center;justify-content:center;background:radial-gradient(120% 90% at 50% 0%,#0b2c42,#072033,#04121f);transition:opacity .32s var(--ease),visibility .32s var(--ease)}.boot.is-hidden{opacity:0;visibility:hidden}.boot__card{text-align:center;padding:28px 32px}.boot__spinner{width:46px;height:46px;margin:0 auto 18px;border-radius:50%;border:3px solid rgba(34,211,238,.18);border-top-color:var(--c-cyan);animation:spin .9s linear infinite}.boot.is-error .boot__spinner{display:none}@keyframes spin{to{transform:rotate(360deg)}}.boot__title{margin:0 0 8px;font-size:18px;font-weight:600;letter-spacing:1px}.boot__desc{margin:0;font-size:14px;color:var(--t-secondary);max-width:300px;line-height:1.6}.hud{display:flex;align-items:flex-start;justify-content:space-between;gap:10px;width:100%;pointer-events:none;transition:opacity var(--dur) var(--ease)}.hud.is-hidden{opacity:0}.hud__pill{display:flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;background:var(--glass-bg);border:1px solid var(--glass-border);box-shadow:var(--glass-shadow),inset 0 1px #ffffff14;backdrop-filter:blur(12px) saturate(140%);-webkit-backdrop-filter:blur(12px) saturate(140%);font-variant-numeric:tabular-nums;white-space:nowrap}.hud__label{font-size:12px;color:var(--t-secondary);font-weight:600}.hud__value{font-size:18px;font-weight:700;color:var(--t-primary)}.hud__value--time{color:var(--c-cyan);transition:color var(--dur) var(--ease)}.hud__value--time.is-urgent{color:var(--f-warn);animation:pulse 1s var(--ease) infinite}@keyframes pulse{0%,to{transform:scale(1);opacity:1}50%{transform:scale(1.08);opacity:.82}}.pad{position:absolute;left:50%;bottom:calc(20px + var(--safe-b));transform:translate(-50%);display:flex;align-items:center;gap:26px;pointer-events:none;transition:opacity var(--dur) var(--ease),transform var(--dur) var(--ease)}.pad.is-hidden{opacity:0;transform:translate(-50%) translateY(14px);pointer-events:none}.pad__btn{pointer-events:auto;width:var(--pad-btn);height:var(--pad-btn);border-radius:50%;border:1.5px solid rgba(255,255,255,.5);background:linear-gradient(160deg,#ffffff38,#ffffff0f);backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);box-shadow:0 12px 30px #020a1473,inset 0 1px #ffffff59;color:#fff;font-size:30px;font-weight:700;display:flex;align-items:center;justify-content:center;cursor:pointer;touch-action:none;transition:transform .12s var(--ease),background var(--dur) var(--ease),box-shadow var(--dur) var(--ease)}.pad__btn--left{background:linear-gradient(160deg,#ff8a3deb,#ff8a3d8c);box-shadow:0 12px 30px #ff8a3d59,inset 0 1px #fff6}.pad__btn--right{background:linear-gradient(160deg,#22d3eeeb,#0ea5e98c);box-shadow:0 12px 30px #22d3ee59,inset 0 1px #fff6}.pad__btn.is-pressed{transform:scale(.94);filter:brightness(1.25);box-shadow:0 0 26px #22d3eebf,inset 0 1px #fff9}.pad__hint{position:absolute;top:-22px;left:50%;transform:translate(-50%);font-size:11px;color:var(--t-secondary);white-space:nowrap;opacity:.85}.overlay{position:absolute;top:0;right:0;bottom:0;left:0;display:flex;align-items:center;justify-content:center;padding:20px;pointer-events:auto;background:#04121f8c;backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);animation:fadeIn var(--dur) var(--ease)}.overlay.is-hidden{display:none}@keyframes fadeIn{0%{opacity:0}to{opacity:1}}.card{width:min(88vw,380px);padding:26px 24px 22px;text-align:center;background:var(--glass-bg-strong);border:1px solid var(--glass-border);border-radius:24px;box-shadow:var(--glass-shadow),var(--glow-cyan),inset 0 1px #ffffff1a;backdrop-filter:blur(18px) saturate(150%);-webkit-backdrop-filter:blur(18px) saturate(150%);animation:popIn .26s var(--ease)}@keyframes popIn{0%{opacity:0;transform:scale(.9) translateY(10px)}to{opacity:1;transform:scale(1) translateY(0)}}.card__eyebrow{font-size:12px;letter-spacing:3px;color:var(--c-cyan);font-weight:600;margin:0 0 10px;text-transform:uppercase}.card__title{margin:0 0 6px;font-size:28px;font-weight:700;letter-spacing:1px;background:linear-gradient(120deg,#e8f7ff,#22d3ee);-webkit-background-clip:text;background-clip:text;-webkit-text-fill-color:transparent}.card__sub{margin:0 0 18px;font-size:15px;color:var(--t-secondary);line-height:1.7}.card__btn{width:100%;padding:15px 20px;font-size:17px;letter-spacing:2px}.card__stats{display:flex;justify-content:center;gap:10px;margin:0 0 20px}.stat{flex:1;padding:12px 6px;border-radius:14px;background:#e8f7ff0f;border:1px solid rgba(34,211,238,.16)}.stat__value{font-size:22px;font-weight:700;color:var(--t-primary);font-variant-numeric:tabular-nums}.stat__label{margin-top:3px;font-size:11px;color:var(--t-secondary)}.card__best{margin:0 0 18px;font-size:13px;color:var(--t-secondary)}.card__best b{color:var(--f-warn);font-size:16px}.card__tips{margin:16px 0 0;font-size:12px;color:var(--t-secondary);line-height:1.7;opacity:.9}kbd{display:inline-block;min-width:20px;padding:1px 6px;margin:0 2px;border-radius:6px;background:#e8f7ff1f;border:1px solid rgba(34,211,238,.3);font-family:inherit;font-size:11px;color:var(--t-primary)}.dice{width:96px;height:96px;margin:4px auto 18px;border-radius:22px;background:linear-gradient(150deg,#0ea5e9,#0b2c42);border:1px solid rgba(34,211,238,.45);box-shadow:var(--glow-cyan),inset 0 1px #ffffff40;display:flex;align-items:center;justify-content:center;font-size:44px;font-weight:700;color:#fff}.dice.is-rolling{animation:roll .52s var(--ease) infinite}@keyframes roll{0%{transform:rotate(0) scale(1)}50%{transform:rotate(180deg) scale(1.08)}to{transform:rotate(360deg) scale(1)}}.diff-row{display:flex;align-items:center;justify-content:center;gap:10px;margin:0 0 18px;font-size:14px}.diff-row__before{color:var(--t-secondary);text-decoration:line-through;opacity:.75}.diff-row__arrow{color:var(--c-cyan)}.diff-row__after{color:var(--f-warn);font-weight:700}@media (orientation: landscape) and (max-height: 520px){.ui-root{padding:calc(8px + var(--safe-t)) calc(14px + var(--safe-r)) calc(8px + var(--safe-b)) calc(14px + var(--safe-l))}:root{--pad-btn: 60px}.pad{bottom:calc(10px + var(--safe-b));gap:20px}.card{padding:18px 20px 16px;width:min(70vw,420px)}.card__title{font-size:22px}.dice{width:72px;height:72px;font-size:34px;margin-bottom:12px}}@media (min-width: 1024px){.ui-root{padding:20px 24px calc(20px + var(--safe-b))}.hud{width:min(1280px,100%);margin:0 auto}.hud__value{font-size:22px}.hud__label{font-size:13px}.hud__pill{padding:10px 18px}.pad{left:auto;right:32px;bottom:calc(32px + var(--safe-b));transform:none;gap:18px}.pad.is-hidden{transform:translateY(14px)}.pad__btn{width:84px;height:84px;font-size:34px}.pad__btn:hover{filter:brightness(1.12);box-shadow:0 0 24px #22d3ee8c,inset 0 1px #ffffff73}.card{width:min(420px,92vw)}}@media (prefers-reduced-motion: reduce){*{animation-duration:.001ms!important;animation-iteration-count:1!important;transition-duration:.001ms!important}}