:root{--white:#f2f2f0;--soft:#b9b9b5;--line:rgba(255,255,255,.16)}
*{box-sizing:border-box}html,body,#app{margin:0;width:100%;height:100%;overflow:hidden;background:#030405;color:var(--white);font-family:Inter,Segoe UI,Arial,sans-serif;touch-action:none}body{user-select:none;-webkit-user-select:none}
#game{position:absolute;inset:0;width:100%;height:100%;display:block;background:#080a0b;filter:grayscale(1) contrast(1.09) brightness(.92)}
#fx{position:absolute;inset:0;pointer-events:none;z-index:4}.vignette{position:absolute;inset:-2%;background:radial-gradient(ellipse at 50% 47%,transparent 28%,rgba(0,0,0,.20) 58%,rgba(0,0,0,.78) 100%)}
.grain{position:absolute;inset:-35%;opacity:.085;background-image:url('./assets/texture/grain.png');background-size:380px 380px;mix-blend-mode:screen;animation:grain .19s steps(2) infinite}.scan{position:absolute;inset:0;opacity:.08;background:linear-gradient(180deg,transparent 0,rgba(255,255,255,.025) 49%,transparent 51%);background-size:100% 4px}
@keyframes grain{0%{transform:translate(0,0)}20%{transform:translate(-3%,2%)}40%{transform:translate(2%,-4%)}60%{transform:translate(4%,3%)}80%{transform:translate(-2%,-2%)}100%{transform:translate(0,0)}}
.screen{position:absolute;inset:0;z-index:20;display:none;align-items:center;justify-content:center;background:radial-gradient(ellipse at center,rgba(15,18,19,.25),rgba(0,0,0,.76));backdrop-filter:blur(2px)}.screen.show{display:flex}
.boot-frame,.menu-card{width:min(720px,86vw);text-align:center}.boot-kicker,.menu-kicker,.panel-kicker{letter-spacing:.35em;font-size:11px;color:#9ea4a5}.boot-frame h1,.menu-card h1{font-weight:200;letter-spacing:.42em;margin:24px 0 14px;font-size:clamp(48px,9vw,98px);text-indent:.42em;text-shadow:0 0 36px rgba(255,255,255,.08)}
.boot-frame p,.menu-card p{color:#b9bfc0;line-height:1.7;font-size:14px}.loader{height:1px;background:#343738;margin-top:35px;overflow:hidden}.loader i{display:block;height:100%;width:0;background:#eee;box-shadow:0 0 18px #fff;transition:width .2s}.boot-meta{display:flex;justify-content:space-between;margin-top:11px;font-size:10px;letter-spacing:.2em;color:#858b8d}.boot-meta b{color:#d8dddd;font-weight:500}
.menu-card{padding:46px 54px;border:1px solid rgba(255,255,255,.11);background:linear-gradient(180deg,rgba(5,6,7,.50),rgba(0,0,0,.26));box-shadow:0 35px 120px rgba(0,0,0,.5)}.menu-card p{max-width:600px;margin:0 auto 30px}.menu-actions{display:flex;gap:10px;justify-content:center;flex-wrap:wrap}.menu-actions button,.pause-screen button,.finish button{border:1px solid rgba(255,255,255,.30);background:rgba(0,0,0,.35);color:#ddd;padding:13px 24px;letter-spacing:.18em;font-size:11px;cursor:pointer;transition:.2s}.menu-actions button:hover,.pause-screen button:hover,.finish button:hover{background:#ececea;color:#080909;border-color:#fff}.menu-actions .primary{background:#e7e7e3;color:#080909;border-color:#e7e7e3}.menu-card small{display:block;margin-top:26px;color:#707678;font-size:10px;letter-spacing:.07em}
.panel{position:absolute;z-index:30;top:50%;left:50%;transform:translate(-50%,-50%) scale(.96);width:min(620px,88vw);padding:36px 40px;background:rgba(5,6,7,.92);border:1px solid var(--line);opacity:0;pointer-events:none;transition:.2s}.panel.show{opacity:1;pointer-events:auto;transform:translate(-50%,-50%) scale(1)}.panel h2{font-size:34px;font-weight:300;letter-spacing:.16em}.close{position:absolute;right:18px;top:13px;border:0;background:none;color:#bbb;font-size:28px;cursor:pointer}.control-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px}.control-grid div{display:flex;gap:12px;align-items:center;border-top:1px solid rgba(255,255,255,.08);padding:12px 0;color:#aaa}.control-grid kbd{min-width:106px;color:#f4f4f0;font-family:inherit;font-size:11px;letter-spacing:.08em}
.chapter{position:absolute;right:4vw;top:4vh;z-index:8;text-align:right;opacity:0;transform:translateY(-8px);transition:opacity .8s,transform .8s;pointer-events:none;text-shadow:0 2px 12px #000}.chapter.show{opacity:.72;transform:none}.chapter span{display:block;color:#8d9496;letter-spacing:.25em;font-size:9px}.chapter b{display:block;font-weight:300;letter-spacing:.2em;font-size:11px;margin-top:5px}
.prompt{position:absolute;z-index:9;bottom:7.5vh;left:50%;transform:translateX(-50%);font-size:10px;letter-spacing:.18em;color:#e5e5e0;text-shadow:0 2px 12px #000;opacity:0;transition:opacity .25s}.prompt.show{opacity:.82}
.pause-screen,.finish{position:absolute;inset:0;z-index:40;background:rgba(0,0,0,.70);backdrop-filter:blur(7px);display:none;place-items:center}.pause-screen.show,.finish.show{display:grid}.pause-screen>div,.finish>div{text-align:center;display:grid;gap:14px}.pause-screen span,.finish span{font-size:11px;letter-spacing:.3em;color:#aeb2b3}.finish b{font-size:58px;font-weight:200;letter-spacing:.35em;text-indent:.35em}.death{position:absolute;inset:0;z-index:18;background:#000;opacity:0;pointer-events:none;transition:opacity .6s}.death.show{opacity:1}
.touch{display:none;position:absolute;z-index:12;left:0;right:0;bottom:max(18px,env(safe-area-inset-bottom));justify-content:space-between;padding:0 max(20px,env(safe-area-inset-left))}.touch button{width:66px;height:66px;border-radius:50%;border:1px solid rgba(255,255,255,.25);background:rgba(0,0,0,.22);color:#d8d8d4;font-size:14px;backdrop-filter:blur(4px);touch-action:none}.move-pad,.action-pad{display:flex;gap:13px;align-items:flex-end}.touch .jump{width:78px;height:78px}.action-pad button:first-child{font-size:9px;letter-spacing:.12em}
.error-box{display:none;position:absolute;z-index:60;inset:0;background:#060708;color:#ddd;align-items:center;justify-content:center;text-align:center;flex-direction:column;gap:12px;padding:30px}.error-box b{font-size:24px}.error-box span{color:#999;max-width:580px}
@media(pointer:coarse),(max-width:900px){.touch{display:flex}.menu-card{padding:32px 24px}.menu-card h1{font-size:58px}.menu-card small{display:none}.chapter{top:3vh;right:3vw}.prompt{bottom:112px}.control-grid{grid-template-columns:1fr}}
@media(max-height:540px){.menu-card{padding:22px 28px}.menu-card h1{font-size:46px;margin:14px 0 8px}.menu-card p{margin-bottom:15px;font-size:12px}.menu-card small{display:none}.touch button{width:54px;height:54px}.touch .jump{width:62px;height:62px}}