:root{
  --bg:#05060a; --ink:#eef0ff; --dim:#8790b5; --gold:#ffcf4a; --blood:#ff3b4e;
  --neon:#36e0ff; --purp:#a35bff; --panel:#0c0f1a; --line:#1e2439;
}
*{box-sizing:border-box;margin:0;padding:0;-webkit-tap-highlight-color:transparent}
html,body{height:100%;background:#000;overflow:hidden;font-family:ui-sans-serif,-apple-system,"Segoe UI",Roboto,system-ui,sans-serif;color:var(--ink);user-select:none;-webkit-user-select:none}
#stage{position:fixed;inset:0;display:flex;align-items:center;justify-content:center}
#game{position:absolute;inset:0;width:100%;height:100%;display:block;background:var(--bg);touch-action:none}

/* ── screens ── */
.screen{position:absolute;inset:0;display:none;flex-direction:column;align-items:center;justify-content:center;gap:18px;text-align:center;padding:24px;z-index:20}
.screen.active{display:flex}
.screen.dimmer{background:rgba(3,4,9,.82);backdrop-filter:blur(3px)}
.logo{display:flex;flex-direction:column;align-items:center;gap:4px;margin-bottom:8px}
.logo-sub{letter-spacing:.4em;font-size:11px;color:var(--dim);text-transform:uppercase}
.logo-dark{font-size:clamp(44px,13vw,104px);font-weight:900;letter-spacing:.04em;line-height:.9;
  background:linear-gradient(180deg,#fff,var(--neon) 55%,var(--purp));-webkit-background-clip:text;background-clip:text;color:transparent;
  filter:drop-shadow(0 0 24px rgba(54,224,255,.35))}
.logo-rule{width:min(340px,70vw);height:2px;background:linear-gradient(90deg,transparent,var(--gold),transparent);margin:6px 0}
.logo-tag{color:var(--gold);font-size:13px;letter-spacing:.12em;text-transform:lowercase;opacity:.85}
.scr-h{font-size:clamp(24px,6vw,40px);font-weight:900;letter-spacing:.06em;margin-bottom:6px}
.scr-h.gold-h{color:var(--gold)}
.menu-col{display:flex;flex-direction:column;gap:10px;width:min(340px,86vw)}
.menu-row{display:flex;gap:10px;flex-wrap:wrap;justify-content:center}
.btn{background:#12172a;border:1px solid var(--line);color:var(--ink);border-radius:12px;padding:14px 18px;font-size:15px;font-weight:800;letter-spacing:.08em;cursor:pointer;transition:.12s;text-transform:uppercase}
.btn:hover,.btn:active{border-color:var(--neon);transform:translateY(-1px)}
.btn.gold{background:linear-gradient(180deg,#ffe083,#f5b311);color:#231600;border-color:#ffd970}
.btn.blood{border-color:#4a1622;color:#ff8a97}
.btn.small{padding:9px 12px;font-size:12px}
.ess{color:var(--gold);font-weight:900}
.arcade-foot{position:absolute;bottom:16px;font-size:12px;letter-spacing:.1em}
.arcade-foot a{color:var(--dim);text-decoration:none}
.howto{max-width:600px;text-align:left;display:flex;flex-direction:column;gap:9px;font-size:14px;line-height:1.5;color:#cdd3f0}
.howto .g{color:var(--neon)}.howto .r{color:var(--blood)}.howto .gold{color:var(--gold)}.howto .dim{color:var(--dim);font-size:12px}
.pause-stats,.over-stats{color:var(--dim);font-size:14px;line-height:1.9}
.over-ess{color:var(--gold);font-weight:900;font-size:20px;margin:4px 0 6px}
.shrine-ess{color:var(--gold);font-weight:900;font-size:18px;letter-spacing:.1em}
.shrine-list{display:flex;flex-direction:column;gap:9px;width:min(440px,90vw);max-height:52vh;overflow:auto}
.up-row{display:flex;justify-content:space-between;align-items:center;gap:12px;background:var(--panel);border:1px solid var(--line);border-radius:12px;padding:12px 14px;text-align:left}
.up-row .u-name{font-weight:800;font-size:14px}
.up-row .u-desc{color:var(--dim);font-size:12px;margin-top:2px}
.up-row .u-lvl{font-size:11px;color:var(--neon);letter-spacing:.1em}

/* ── HUD ── */
#hud{position:absolute;inset:0;z-index:10;pointer-events:none}
.hud-top{position:absolute;top:12px;left:12px;right:12px;display:flex;align-items:center;gap:12px}
.hud-cash{font-size:26px;font-weight:900;color:var(--gold);text-shadow:0 2px 12px rgba(255,207,74,.4)}
.hud-heat{display:flex;gap:3px;flex:1}
.star{width:16px;height:16px;border-radius:50%;background:#20263c;box-shadow:inset 0 0 0 1px #2c3350}
.star.on{background:radial-gradient(circle,#ff6a78,var(--blood));box-shadow:0 0 10px rgba(255,59,78,.8)}
#btn-pause{pointer-events:auto;background:#12172a;border:1px solid var(--line);color:#fff;border-radius:9px;width:38px;height:38px;font-size:12px;cursor:pointer}
.hud-obj{position:absolute;top:56px;left:0;right:0;text-align:center;font-weight:800;letter-spacing:.14em;font-size:13px;color:var(--gold);text-transform:uppercase;text-shadow:0 2px 10px #000}
.hud-speed{position:absolute;bottom:16px;left:16px;font-size:40px;font-weight:900;line-height:.9;color:#fff;text-shadow:0 3px 14px rgba(54,224,255,.5)}
.hud-speed small{font-size:13px;color:var(--dim);margin-left:4px}
#mini{position:absolute;bottom:14px;right:14px;background:rgba(6,8,16,.7);border:1px solid var(--line);border-radius:10px}
#boost-bar{position:absolute;bottom:76px;left:18px;width:120px;height:7px;background:#161c30;border-radius:6px;overflow:hidden;border:1px solid var(--line)}
#boost-fill{display:block;height:100%;width:100%;background:linear-gradient(90deg,var(--purp),var(--neon));transition:width .1s}

/* ── touch ── */
#touch{position:absolute;inset:0;z-index:15;pointer-events:none}
#touch .pad-left{position:absolute;left:14px;bottom:96px;display:flex;gap:10px}
#touch .pad-right{position:absolute;right:14px;bottom:96px;display:flex;flex-direction:column;gap:10px;align-items:flex-end}
.tbtn{pointer-events:auto;width:62px;height:62px;border-radius:50%;background:rgba(18,23,42,.72);border:1px solid var(--line);color:#fff;font-size:20px;font-weight:800;cursor:pointer;backdrop-filter:blur(2px)}
.tbtn.gas{background:rgba(35,90,40,.7);border-color:#2f7a35}
.tbtn.brake{background:rgba(90,35,45,.7);border-color:#7a2f3a;width:56px;height:56px}
.tbtn.nos{background:rgba(90,55,140,.7);border-color:#7a5bff;width:56px;height:56px;font-size:13px}
.tbtn:active{filter:brightness(1.3)}
@media (hover:none) and (pointer:coarse){ #touch.show{display:block} }
#touch.show{display:block}