:root{color:#f2ead8;background:#071014;font-family:Pretendard,Apple SD Gothic Neo,Malgun Gothic,system-ui,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;--ink: #f2ead8;--muted: #a9b0a7;--ember: #f0a63a;--ember-light: #ffd68a;--night: #071014;--panel: rgba(8, 17, 20, .94);--line: rgba(224, 211, 180, .22)}*{box-sizing:border-box}html,body,#app{width:100%;min-width:320px;min-height:100%;margin:0}body{min-height:100dvh;overflow:hidden;background:radial-gradient(circle at 50% 35%,#142327 0%,var(--night) 68%)}button,kbd{font:inherit}button:focus-visible,#game-container:focus-visible{outline:3px solid var(--ember-light);outline-offset:4px}[hidden]{display:none!important}.screen{position:fixed;inset:0}.screen--title{display:grid;place-items:center;isolation:isolate;overflow:hidden;background-image:url(../assets/generated/arena-title.png);background-position:center;background-size:cover}.screen--title:before{position:absolute;inset:0;z-index:-1;content:"";background:linear-gradient(180deg,#03090c59,#03090cc2),radial-gradient(circle at center,transparent 5%,rgba(2,8,10,.62) 85%)}.title-vignette{position:absolute;inset:16px;border:1px solid rgba(240,166,58,.26);pointer-events:none}.title-vignette:before,.title-vignette:after{position:absolute;width:72px;height:72px;content:"";border-color:var(--ember);opacity:.68}.title-vignette:before{top:-1px;left:-1px;border-top:3px solid;border-left:3px solid}.title-vignette:after{right:-1px;bottom:-1px;border-right:3px solid;border-bottom:3px solid}.title-content{width:min(680px,calc(100vw - 40px));padding:clamp(28px,5vw,56px);text-align:center;background:linear-gradient(180deg,#071014bd,#071014e6);border:1px solid var(--line);box-shadow:0 28px 80px #00000080;-webkit-backdrop-filter:blur(5px);backdrop-filter:blur(5px)}.eyebrow{margin:0 0 10px;color:var(--ember-light);font-size:11px;font-weight:900;letter-spacing:.25em}h1,h2,p{margin-top:0}h1{margin-bottom:16px;color:var(--ink);font-family:Impact,Haettenschweiler,Arial Narrow Bold,sans-serif;font-size:clamp(48px,8vw,86px);font-weight:400;letter-spacing:-.045em;line-height:.84;text-shadow:0 5px 0 #321b12,0 12px 32px rgba(0,0,0,.78)}h1 span{display:block;color:var(--ember-light)}.title-copy,.overlay-copy{color:var(--muted);font-size:clamp(14px,2vw,17px)}.primary-button{min-width:220px;min-height:58px;margin-top:18px;padding:0 20px;color:#211309;font-weight:900;cursor:pointer;background:linear-gradient(180deg,#ffd785,#e7942f);border:0;border-bottom:4px solid #8c4f1e;box-shadow:0 10px 32px #f0a63a3d;transition:transform .12s ease,filter .12s ease}.primary-button:hover{filter:brightness(1.08);transform:translateY(-2px)}.primary-button:active{border-bottom-width:2px;transform:translateY(2px)}.primary-button kbd{margin-left:18px;padding:3px 7px;color:#60401c;font-size:11px;background:#ffffff5c;border:1px solid rgba(61,31,8,.22)}.controls-card{display:grid;grid-template-columns:repeat(5,1fr);gap:8px;margin-top:34px;padding-top:20px;border-top:1px solid var(--line)}.controls-card div{display:grid;gap:7px;justify-items:center}.controls-card kbd{color:var(--ink);font-size:11px;font-weight:700}.controls-card span{color:var(--muted);font-size:11px}.title-record{margin:20px 0 0;color:var(--ember-light);font-size:14px;font-weight:800}.title-stats{margin:6px 0 0;color:var(--muted);font-size:12px}.title-footnote{position:absolute;bottom:24px;margin:0;color:#f2ead89e;font-size:11px;letter-spacing:.09em}.screen--game{width:100%;height:100%;display:grid;place-items:center;background:#071014}#game-container{width:min(100%,1280px);height:min(100%,720px);display:grid;place-items:center;background:#071014}#game-container canvas{display:block;max-width:100%;max-height:100%}.screen--mobile-guard{display:grid;place-items:center;padding:24px;text-align:center}.mobile-guard__panel{max-width:420px;padding:40px 32px;border:1px solid rgba(240,166,58,.35);border-radius:10px;background:#071014eb}.mobile-guard__panel h2{margin:12px 0 16px;font-size:26px;color:#f2ead8}.mobile-guard__copy{margin:0;color:#f2ead8c7;font-size:14px;line-height:1.7}.overlay{position:fixed;inset:0;z-index:20;display:grid;place-items:center;padding:20px}.overlay-backdrop{position:absolute;inset:0;background:#03080ac7;-webkit-backdrop-filter:blur(7px);backdrop-filter:blur(7px)}.upgrade-panel,.result-panel,.pause-panel{position:relative;width:min(960px,100%);padding:clamp(24px,4vw,44px);text-align:center;background:var(--panel);border:1px solid rgba(240,166,58,.34);box-shadow:0 30px 100px #0000008f}.upgrade-panel h2,.result-panel h2,.pause-panel h2{margin-bottom:8px;font-family:Pretendard,Apple SD Gothic Neo,Malgun Gothic,system-ui,sans-serif;font-size:clamp(32px,5vw,54px);font-weight:400}.result-panel h2{font-size:clamp(30px,4vw,46px);font-weight:900;letter-spacing:-.045em;word-break:keep-all}.upgrade-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-top:28px}.upgrade-card{min-height:220px;padding:24px 18px;color:var(--ink);text-align:left;cursor:pointer;background:#ffffff09;border:1px solid var(--line);transition:transform .12s ease,border-color .12s ease,background .12s ease}.upgrade-card:hover,.upgrade-card:focus-visible{background:#f0a63a1a;border-color:var(--ember);transform:translateY(-4px)}.upgrade-card__key{display:inline-grid;width:28px;height:28px;margin-bottom:26px;place-items:center;color:#211309;font-size:12px;font-weight:900;background:var(--ember-light)}.upgrade-card strong{display:block;margin-bottom:10px;font-size:21px}.upgrade-card p{margin:0;color:var(--muted);font-size:13px;line-height:1.65}.upgrade-card small{display:inline-block;margin-top:16px;padding:4px 9px;color:var(--ember-light);font-weight:700;background:#f0a63a1f;border:1px solid rgba(240,166,58,.3)}.result-panel{width:min(560px,100%)}.pause-panel{width:min(460px,100%)}.pause-panel h2{font-size:clamp(28px,4vw,40px);font-weight:900;letter-spacing:-.03em}.settings-group{display:grid;gap:16px;margin:26px 0 24px;padding:20px 22px;text-align:left;background:#ffffff08;border:1px solid var(--line)}.setting-row{display:grid;grid-template-columns:96px 1fr 44px;gap:12px;align-items:center}.setting-row label{color:var(--ink);font-size:14px;font-weight:700}.setting-row input[type=range]{width:100%;accent-color:var(--ember)}.setting-row input[type=checkbox]{width:20px;height:20px;justify-self:start;accent-color:var(--ember)}.setting-row output{color:var(--muted);font-size:13px;text-align:right}.pause-actions{display:grid;gap:10px;justify-items:center}.pause-actions .primary-button{margin-top:0}.ghost-button{min-height:44px;padding:0 22px;color:var(--muted);font-weight:700;cursor:pointer;background:transparent;border:1px solid var(--line);transition:color .12s ease,border-color .12s ease,background .12s ease}.ghost-button:hover,.ghost-button:focus-visible{color:var(--ink);background:#f0a63a14;border-color:var(--ember)}.result-score-row{display:flex;gap:24px;align-items:center;justify-content:center;margin:20px 0 4px}.result-grade{font-family:Impact,Haettenschweiler,Arial Narrow Bold,sans-serif;font-size:72px;line-height:1;text-shadow:0 4px 0 rgba(0,0,0,.45);animation:grade-pop .3s cubic-bezier(.24,1.6,.4,1) both}.result-grade[data-grade=S]{color:#ffd68a}.result-grade[data-grade=A]{color:#f0a63a}.result-grade[data-grade=B]{color:#f2ead8}.result-grade[data-grade=C],.result-grade[data-grade=D]{color:#a9b0a7}@keyframes grade-pop{0%{opacity:0;transform:scale(1.45)}to{opacity:1;transform:scale(1)}}.result-score-block{display:grid;gap:5px;text-align:left}#result-score{color:var(--ember-light);font-size:38px;font-weight:900;letter-spacing:-.02em;line-height:1}.result-best{margin:0;color:var(--muted);font-size:12px}#result-kicker.is-record{color:var(--ember-light);animation:record-pulse 1.2s ease-in-out infinite}@keyframes record-pulse{50%{opacity:.5}}.result-breakdown{display:grid;gap:6px;width:min(380px,100%);margin:16px auto 0}.breakdown-row{display:flex;gap:18px;align-items:baseline;justify-content:space-between;padding:7px 12px;color:var(--muted);font-size:13px;background:#ffffff08;border:1px solid rgba(224,211,180,.1);opacity:0;animation:row-in .26s ease forwards}.breakdown-row strong{color:var(--ember-light);font-weight:800}@keyframes row-in{0%{opacity:0;transform:translateY(8px)}to{opacity:1;transform:translateY(0)}}.result-stats{display:flex;justify-content:center;gap:32px;margin:26px 0 8px}.result-stats div{display:grid;gap:4px}.result-stats strong{color:var(--ember-light);font-size:28px}.result-stats span{color:var(--muted);font-size:11px}.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}@media(max-width:720px){.controls-card{grid-template-columns:repeat(2,1fr)}.upgrade-grid{grid-template-columns:1fr}.upgrade-card{min-height:0}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{scroll-behavior:auto!important;transition-delay:0s!important;transition-duration:.01ms!important;animation-delay:0s!important;animation-duration:.01ms!important;animation-iteration-count:1!important}}