:root{--ink: #0b0a09;--ink-soft: #12100f;--paper: #f4ece0;--vermilion: #d94f30;--gold: #e8b34b;--chakra: #4fa3d1;--font-ui: ui-monospace, "SF Mono", "SFMono-Regular", Menlo, Consolas, monospace}*{box-sizing:border-box}html,body{margin:0;padding:0;height:100%;overflow:hidden;background:var(--ink);color:var(--paper);font-family:var(--font-ui);overscroll-behavior:none;-webkit-user-select:none;user-select:none;-webkit-tap-highlight-color:transparent;touch-action:none}body{position:fixed;inset:0;width:100%;height:100dvh}#game{position:fixed;inset:0;display:grid;place-items:center}#game canvas{display:block;image-rendering:pixelated;image-rendering:crisp-edges;touch-action:none;outline:none}#safe-probe{position:fixed;inset:0;visibility:hidden;pointer-events:none;padding:env(safe-area-inset-top) env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}#splash{position:fixed;inset:0;z-index:50;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:radial-gradient(circle at 50% 42%,rgba(217,79,48,.14),transparent 58%),var(--ink);transition:opacity .32s ease}#splash.is-hidden{opacity:0;pointer-events:none}.splash-mark{font-size:64px;line-height:1;color:var(--vermilion);text-shadow:0 0 26px rgba(217,79,48,.55)}.splash-title{font-size:15px;letter-spacing:.32em;font-weight:700}.splash-sub{font-size:10px;letter-spacing:.12em;opacity:.45}.chip{position:fixed;z-index:60;top:calc(env(safe-area-inset-top) + 10px);left:50%;transform:translate(-50%);width:max-content;max-width:calc(100vw - 24px);padding:8px 14px;border:1px solid rgba(232,179,75,.55);border-radius:999px;background:#12100feb;color:var(--gold);font-family:var(--font-ui);font-size:10px;letter-spacing:.05em;white-space:nowrap;box-shadow:0 6px 20px #00000073;-webkit-backdrop-filter:blur(6px);backdrop-filter:blur(6px);animation:chip-in .26s ease-out}.chip:active{transform:translate(-50%) scale(.97)}.chip--ghost{color:var(--paper);border-color:#f4ece040;font-size:10px;pointer-events:none}@keyframes chip-in{0%{opacity:0;transform:translate(-50%) translateY(-6px)}to{opacity:1;transform:translate(-50%) translateY(0)}}#toast{position:fixed;z-index:55;left:50%;bottom:calc(env(safe-area-inset-bottom) + 14px);transform:translate(-50%);width:max-content;max-width:calc(100vw - 28px);padding:8px 14px;border-radius:999px;background:#d94f30f0;color:#fff5ec;font-size:10px;letter-spacing:.03em;text-align:center;box-shadow:0 8px 24px #00000080;pointer-events:none;animation:chip-in .22s ease-out}#toast[hidden],#rotate{display:none}@media(orientation:landscape)and (max-height:540px)and (pointer:coarse){#rotate{position:fixed;inset:0;z-index:9999;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;background:radial-gradient(circle at 50% 45%,rgba(217,79,48,.16),transparent 60%),var(--ink);text-align:center;padding:24px}.rotate-mark{font-size:44px;color:var(--vermilion);animation:rotate-pulse 1.6s ease-in-out infinite}.rotate-text{font-size:17px;font-weight:700;letter-spacing:.18em}.rotate-sub{font-size:11px;opacity:.55;max-width:280px;line-height:1.5}}@keyframes rotate-pulse{0%,to{transform:rotate(0);opacity:.75}50%{transform:rotate(90deg);opacity:1}}#menu[hidden],#hud[hidden],#audio-gate[hidden],.modal[hidden]{display:none}#menu{position:fixed;inset:0;z-index:45;pointer-events:none;font-family:var(--font-ui)}.menu-badge{position:absolute;top:calc(env(safe-area-inset-top) + 58px);left:0;right:0;text-align:center;font-size:9px;letter-spacing:.28em;color:#a99783}.menu-hero{position:absolute;top:24%;left:0;right:0;text-align:center}.menu-title{margin:0;font-size:clamp(42px,13vw,56px);line-height:1;letter-spacing:.07em;color:var(--paper);text-shadow:0 4px 24px rgba(0,0,0,.85)}.menu-subtitle{margin:10px 0 0;font-size:clamp(17px,5.2vw,22px);letter-spacing:.42em;color:var(--vermilion);text-indent:.42em}.menu-divider{height:1px;width:172px;margin:18px auto 14px;background:linear-gradient(90deg,transparent,#4a3f36,transparent);position:relative}.menu-divider span{position:absolute;left:50%;top:50%;width:7px;height:7px;background:var(--vermilion);transform:translate(-50%,-50%) rotate(45deg)}.menu-tagline{margin:0;font-size:11px;letter-spacing:.06em;color:#b8a794;opacity:.85}#menu-start{position:absolute;top:62.5%;left:50%;transform:translate(-50%,-50%);pointer-events:auto}.menu-hint{position:absolute;top:calc(62.5% + 48px);left:0;right:0;margin:0;text-align:center;font-size:11px;color:#8f7f6d}.link-btn{position:absolute;top:calc(62.5% + 88px);left:50%;transform:translate(-50%);pointer-events:auto;padding:8px 14px;border:0;background:none;color:#7a6b5c;font:11px var(--font-ui);letter-spacing:.04em}.link-btn:active{color:#c9bba9}.menu-footer{position:absolute;bottom:calc(env(safe-area-inset-bottom) + 18px);left:0;right:0;margin:0;text-align:center;font-size:9px;color:#6b5f54}#hud{position:fixed;inset:0;z-index:40;pointer-events:none;font-family:var(--font-ui)}.hud-shade{position:absolute;top:0;left:0;right:0;height:158px;background:linear-gradient(to bottom,rgba(6,5,5,.94),rgba(6,5,5,.6) 48%,rgba(6,5,5,.16) 78%,transparent)}.hud-xp{position:absolute;top:env(safe-area-inset-top);left:0;right:0;height:5px;background:#1a1512}#hud-xp-fill{height:100%;width:0%;background:linear-gradient(90deg,#2f7fa8,#8fdcff);box-shadow:0 0 10px #4fa3d1a6;transition:width .12s linear}.hud-top{position:absolute;top:calc(env(safe-area-inset-top) + 10px);left:calc(env(safe-area-inset-left) + 14px);right:calc(env(safe-area-inset-right) + 14px);display:grid;grid-template-columns:1fr auto 1fr;align-items:start}.hud-level{padding-top:3px;font-size:13px;font-weight:700;letter-spacing:.05em;color:var(--gold);text-shadow:0 2px 8px #000}.hud-timer{font-size:24px;line-height:1;font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.03em;color:var(--paper);text-shadow:0 2px 10px #000}.hud-timer.is-low{color:#e0483a}.hud-pause{justify-self:end;width:38px;height:38px;border-radius:50%;border:1px solid rgba(244,236,224,.22);background:#12100fb8;color:#e6d8c3;font:700 11px var(--font-ui);letter-spacing:.08em;pointer-events:auto;-webkit-backdrop-filter:blur(4px);backdrop-filter:blur(4px)}.hud-pause:active{transform:scale(.94)}.hud-hp{position:absolute;top:calc(env(safe-area-inset-top) + 48px);left:50%;transform:translate(-50%);width:152px;height:7px;padding:1px;border-radius:4px;background:#120f0deb;box-shadow:0 1px 4px #0009}#hud-hp-fill{height:100%;width:100%;border-radius:3px;background:#6fbf73;transition:width .14s linear,background-color .22s ease}#hud-hp-fill.is-low{background:#e8b34b}#hud-hp-fill.is-critical{background:#e0483a}.hud-kills{position:absolute;top:calc(env(safe-area-inset-top) + 44px);right:calc(env(safe-area-inset-right) + 14px);font-size:10px;letter-spacing:.04em;color:#b8a794;text-shadow:0 2px 6px #000}.hud-boss{position:absolute;top:calc(env(safe-area-inset-top) + 72px);left:50%;transform:translate(-50%);width:min(224px,64vw);text-align:center}.hud-boss-name{font-size:8px;letter-spacing:.22em;color:var(--gold);margin-bottom:4px;text-shadow:0 2px 6px #000}.hud-boss-bar{height:5px;border-radius:3px;background:#120f0deb;padding:1px;overflow:hidden}#hud-boss-fill{height:100%;width:100%;border-radius:2px;background:var(--vermilion);transition:width .12s linear}.hud-announce{position:absolute;top:33%;left:0;right:0;text-align:center;font-size:20px;font-weight:700;letter-spacing:.06em;color:var(--gold);text-shadow:0 3px 16px #000;animation:announce-in .26s cubic-bezier(.2,.9,.2,1)}.hud-announce.is-danger{color:#e0483a}.hud-hint{position:absolute;bottom:calc(env(safe-area-inset-bottom) + 26px);left:0;right:0;text-align:center;font-size:11px;color:#c9bba9;opacity:.85;transition:opacity .7s ease}.hud-hint.is-hidden{opacity:0}.modal{position:fixed;inset:0;z-index:60;display:flex;align-items:center;justify-content:center;font-family:var(--font-ui)}.modal-backdrop{position:absolute;inset:0;background:#060505d6;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px)}.modal--sheet{align-items:flex-end}.sheet{position:relative;width:100%;max-height:88vh;overflow-y:auto;padding:18px 14px calc(env(safe-area-inset-bottom) + 16px);background:linear-gradient(to bottom,#12100ffc,#0b0a09fe);border-top:1px solid rgba(232,179,75,.24);box-shadow:0 -14px 44px #000000a6;animation:sheet-in .26s cubic-bezier(.2,.9,.2,1)}.sheet-head{text-align:center;margin-bottom:12px}.eyebrow{font-size:9px;letter-spacing:.3em;color:var(--gold)}.sheet h2{margin:5px 0 6px;font-size:21px;letter-spacing:.06em;color:var(--paper)}.sheet-head p{margin:0;font-size:11px;color:#a99783}.cards{display:flex;flex-direction:column;gap:9px}.upgrade-card{position:relative;display:grid;grid-template-columns:46px 1fr auto;gap:10px;align-items:center;width:100%;min-height:86px;padding:11px 12px 11px 15px;text-align:left;background:#171311;border:1px solid var(--accent, #d8c9b4);border-radius:12px;color:var(--paper);font-family:var(--font-ui);overflow:hidden}.upgrade-card:before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--accent, #d8c9b4);opacity:.9}.upgrade-card:active{transform:scale(.985);background:#1e1815}.upgrade-icon{display:grid;place-items:center;width:42px;height:42px;border-radius:50%;border:1px solid var(--accent, #d8c9b4);background:color-mix(in srgb,var(--accent, #d8c9b4) 14%,transparent);color:var(--accent, #d8c9b4);font-size:22px}.upgrade-body{display:flex;flex-direction:column;gap:3px;min-width:0}.upgrade-name{font-size:14px;font-weight:700;line-height:1.15}.upgrade-rarity{font-size:8px;letter-spacing:.16em;color:var(--accent, #d8c9b4)}.upgrade-desc{font-size:11px;line-height:1.35;color:#c9bba9}.upgrade-level{align-self:start;font-size:10px;color:var(--accent, #d8c9b4)}.character-card{min-height:82px;grid-template-columns:50px 1fr;padding-top:8px;padding-bottom:8px}.character-card .upgrade-icon{width:46px;height:46px;font-size:24px}.character-jutsu{font-size:9px;letter-spacing:.12em;text-transform:uppercase;color:var(--accent, #d8c9b4)}.character-desc{font-size:10.5px;line-height:1.3;color:#c9bba9}.link-btn--static{position:static;display:block;margin:6px auto 0;transform:none}.sheet-back{position:absolute;top:10px;right:10px;padding:8px 10px;border:0;background:none;color:#a99783;font:11px var(--font-ui);letter-spacing:.04em;touch-action:manipulation}.sheet-back:active{color:#f4ece0}.dialog{position:relative;width:min(320px,calc(100vw - 36px));padding:24px 20px 20px;display:flex;flex-direction:column;gap:10px;text-align:center;border:1px solid rgba(244,236,224,.14);border-radius:18px;background:#12100ff9;box-shadow:0 24px 64px #000000b3;animation:dialog-in .22s ease-out}.dialog h2{margin:0;font-size:30px;letter-spacing:.1em;color:var(--paper)}.dialog h2.is-victory{color:var(--gold)}.dialog h2.is-defeat{color:var(--vermilion)}.dialog-sub{margin:0 0 6px;font-size:11px;color:#a99783}.dialog-stats{margin-top:4px;font-size:14px;letter-spacing:.03em;color:var(--paper)}.dialog-record{margin-bottom:8px;font-size:10px;color:#8a7a68}.dialog-record.is-record{color:var(--gold)}.btn{height:50px;border-radius:12px;border:1px solid rgba(244,236,224,.18);background:#221b17;color:#e8dccb;font:700 13px var(--font-ui);letter-spacing:.1em;touch-action:manipulation}.btn:active{transform:scale(.98)}.btn--primary{background:var(--vermilion);border-color:#ff8a6b;color:#fff6ec;box-shadow:0 6px 22px #d94f3059}.btn--hero{width:min(272px,74vw);height:58px;font-size:14px;letter-spacing:.12em;border-radius:14px}#audio-gate{position:fixed;inset:0;z-index:72;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:10px;background:radial-gradient(circle at 50% 42%,rgba(217,79,48,.14),transparent 58%),#0b0a09f0;font-family:var(--font-ui);touch-action:manipulation}.gate-mark{font-size:64px;line-height:1;color:var(--vermilion);text-shadow:0 0 30px rgba(217,79,48,.55);animation:gate-pulse 1.6s ease-in-out infinite}.gate-title{font-size:15px;font-weight:700;letter-spacing:.22em}.gate-sub{font-size:11px;color:#a99783}@keyframes sheet-in{0%{transform:translateY(28px);opacity:0}to{transform:translateY(0);opacity:1}}@keyframes dialog-in{0%{transform:scale(.96);opacity:0}to{transform:scale(1);opacity:1}}@keyframes announce-in{0%{transform:scale(.94);opacity:0}to{transform:scale(1);opacity:1}}@keyframes gate-pulse{0%,to{transform:scale(.97);opacity:.85}50%{transform:scale(1.03);opacity:1}}#perf-hint{position:fixed;z-index:55;left:calc(env(safe-area-inset-left) + 10px);bottom:calc(env(safe-area-inset-bottom) + 10px);display:flex;align-items:center;gap:6px;font-size:9px;letter-spacing:.08em;opacity:.6;pointer-events:none}#perf-hint[hidden]{display:none}.perf-dot{width:6px;height:6px;border-radius:50%;background:var(--chakra);box-shadow:0 0 8px var(--chakra)}@media(prefers-reduced-motion:reduce){.chip,.rotate-mark{animation:none}}