/* RedSkillTrade Arcade (app only) */
:root{--arc-ink:#f3efe6;--arc-dim:#9fb0bd;--arc-acc:#d99a1e;--arc-red:#c8312b;--arc-panel:#141d26;--arc-line:#2c3a47}
/* ---------- game page ---------- */
html.arc-html,html.arc-html body{height:100%;margin:0;background:#0b1016;overflow:hidden;overscroll-behavior:none}
.arc{position:fixed;inset:0;display:flex;flex-direction:column;background:var(--arc-bg,#0b1016);color:var(--arc-ink);font-family:"Barlow",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  -webkit-user-select:none;user-select:none;-webkit-touch-callout:none;-webkit-tap-highlight-color:transparent}
.arc-top{display:flex;align-items:center;gap:6px;padding:calc(env(safe-area-inset-top) + 4px) max(8px,env(safe-area-inset-right)) 4px max(8px,env(safe-area-inset-left));
  background:#1f2a33;border-bottom:2px solid #000;min-height:48px;box-sizing:border-box;flex:none}
.arc-top a,.arc-top button{display:inline-flex;align-items:center;justify-content:center;min-width:44px;min-height:44px;border:0;background:none;color:var(--arc-ink);
  border-radius:8px;cursor:pointer;padding:0;text-decoration:none;font:inherit}
.arc-top a:active,.arc-top button:active{background:#ffffff1a}
.arc-top svg{width:24px;height:24px}
.arc-top a:focus-visible,.arc-top button:focus-visible,.arc-btn:focus-visible{outline:3px solid var(--arc-acc);outline-offset:2px}
.arc-ttl{flex:1;min-width:0;display:flex;flex-direction:column;line-height:1.1}
.arc-ttl b{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;font-size:.78rem;letter-spacing:.12em;text-transform:uppercase;color:var(--arc-acc);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.arc-ttl span{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;font-size:1.15rem;font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.04em}
.arc-ttl small{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.7rem;color:var(--arc-dim)}
.arc-stage{position:relative;flex:1;min-height:0;display:flex;align-items:center;justify-content:center;overflow:hidden;touch-action:none;
  padding:0 env(safe-area-inset-right) env(safe-area-inset-bottom) env(safe-area-inset-left)}
.arc-stage canvas{display:block;image-rendering:pixelated;image-rendering:crisp-edges;touch-action:none}
.arc-ov{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;padding:16px;padding-bottom:calc(16px + env(safe-area-inset-bottom));
  background:#05080bcc;z-index:5;overflow:auto;touch-action:pan-y}
.arc-ov[hidden]{display:none}
.arc-card{width:100%;max-width:360px;background:var(--arc-panel);border:2px solid #000;box-shadow:0 0 0 2px var(--arc-line),0 10px 30px #000a;border-radius:6px;padding:18px 18px 16px;text-align:center;box-sizing:border-box}
.arc-prev{display:block;margin:0 auto 6px;width:240px;max-width:100%;height:auto;image-rendering:pixelated;image-rendering:crisp-edges;aspect-ratio:auto}
.arc-name{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;font-size:1.5rem;letter-spacing:.06em;text-transform:uppercase;margin:4px 0 6px;color:#fff;text-shadow:3px 3px 0 var(--arc-red)}
.arc-how{margin:0 0 10px;color:#dfe5ea;font-size:1rem;line-height:1.35}
.arc-ctl{list-style:none;margin:0 0 12px;padding:8px 10px;background:#0b1016;border-radius:4px;text-align:left;font-size:.88rem;color:var(--arc-dim)}
.arc-ctl li{margin:3px 0}.arc-ctl b{color:var(--arc-acc);font-weight:700;margin-right:4px}
.arc-bestline{margin:0 0 12px;color:var(--arc-dim)}.arc-bestline b{color:#fff}
.arc-final{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:2.4rem;font-weight:800;margin:0;color:var(--arc-acc);font-variant-numeric:tabular-nums}
.arc-newbest{margin:2px 0 10px;color:#ffd166;font-weight:800;letter-spacing:.04em;animation:arcblink .6s steps(2) infinite}
@keyframes arcblink{50%{opacity:.35}}
@media (prefers-reduced-motion:reduce){.arc-newbest{animation:none}}
.arc-stats{list-style:none;padding:0;margin:0 0 10px;color:#dfe5ea;font-size:.92rem}.arc-stats li{margin:2px 0}
.arc-online,.arc-login{margin:0 0 12px;font-size:.92rem;color:#dfe5ea}.arc-login a,.arc-online a{color:var(--arc-acc);font-weight:700}
.arc-btn{display:flex;align-items:center;justify-content:center;width:100%;min-height:48px;margin:6px 0 0;border:2px solid #000;border-radius:4px;background:var(--arc-acc);color:#1f2a33;
  font:800 1.1rem/1 ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;letter-spacing:.08em;text-transform:uppercase;cursor:pointer;box-shadow:0 4px 0 #8a5a0b;text-decoration:none;box-sizing:border-box}
.arc-btn:active{transform:translateY(3px);box-shadow:0 1px 0 #8a5a0b}
.arc-btn.ghost{background:#26323d;color:#fff;box-shadow:0 4px 0 #0b1016;font-size:.9rem}
.arc-row{display:flex;gap:8px}.arc-row .arc-btn{flex:1}
.arc-board{text-align:left;margin:0 0 6px}
.arc-tabs{display:flex;gap:6px;margin:0 0 8px}
.arc-tabs button{flex:1;min-height:40px;border:2px solid #000;border-radius:4px;background:#26323d;color:var(--arc-dim);font:700 .9rem ui-monospace,Menlo,Consolas,monospace;cursor:pointer}
.arc-tabs button[aria-selected=true]{background:#0b1016;color:var(--arc-acc);box-shadow:inset 0 -3px 0 var(--arc-acc)}
.arc-tp[hidden]{display:none}
.arc-ol{list-style:none;margin:0;padding:0;max-height:46vh;overflow:auto;font-family:ui-monospace,Menlo,Consolas,monospace;font-size:.92rem}
.arc-ol li{display:flex;gap:10px;align-items:center;padding:6px 8px;border-bottom:1px solid #22303c}
.arc-ol li:nth-child(1) .rk{color:#ffd166}.arc-ol li:nth-child(2) .rk{color:#d6dde3}.arc-ol li:nth-child(3) .rk{color:#e09a5a}
.arc-ol li.me{background:#d99a1e22}
.arc-ol .rk{width:2.2em;text-align:right;color:var(--arc-dim);font-weight:800}.arc-ol .nm{flex:1;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.arc-ol .sc{font-weight:800;color:#fff;font-variant-numeric:tabular-nums}
.arc-muted{color:var(--arc-dim);font-size:.9rem;margin:8px 0}

/* ---------- Arcade home (arcade.html, normal app page) ---------- */
.arcwrap{padding-bottom:24px}
.arc-hero{background:#0b1016;color:#f3efe6;border-bottom:3px solid #000}
.arc-hero .wrap{padding-top:18px;padding-bottom:16px}
.arc-hero h1{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;letter-spacing:.08em;text-transform:uppercase;margin:0 0 4px;color:#fff;text-shadow:3px 3px 0 #c8312b;font-size:1.9rem}
.arc-hero p{margin:0;color:#c9d3db}
.arc-marquee{display:block;width:100%;height:auto;max-width:520px;image-rendering:pixelated;image-rendering:crisp-edges;margin:10px 0 0}
.arc-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(150px,1fr));gap:10px;margin:14px 0 0}
.arc-tile{position:relative;display:flex;flex-direction:column;gap:4px;padding:10px;border-radius:6px;background:#141d26;color:#f3efe6;text-decoration:none;border:2px solid #000;box-shadow:0 0 0 2px #2c3a47;min-height:44px}
.arc-tile:active{transform:translateY(2px)}
.arc-tile canvas{width:100%;height:auto;image-rendering:pixelated;image-rendering:crisp-edges;background:#0b1016;border-radius:3px}
.arc-tile b{font-family:ui-monospace,Menlo,Consolas,monospace;text-transform:uppercase;letter-spacing:.05em;font-size:.95rem;color:#fff}
.arc-tile small{color:#9fb0bd;font-size:.8rem}
.arc-tile .arc-tbest{font-family:ui-monospace,Menlo,Consolas,monospace;color:#d99a1e;font-size:.8rem}
.arc-h2{margin:22px 0 6px;font-size:1.25rem}
.arc-hall{background:#141d26;color:#f3efe6;border-radius:6px;padding:12px;border:2px solid #000}
.arc-hall .arc-ol{max-height:none}
.arc-hall h3{margin:4px 0 6px;font-family:ui-monospace,Menlo,Consolas,monospace;text-transform:uppercase;letter-spacing:.06em;font-size:.95rem;color:#d99a1e}
.arc-sel{display:flex;flex-wrap:wrap;gap:6px;margin:0 0 10px}
.arc-sel button{min-height:40px;padding:6px 10px;border:2px solid #000;border-radius:4px;background:#26323d;color:#c9d3db;font:700 .82rem ui-monospace,Menlo,Consolas,monospace;cursor:pointer}
.arc-sel button[aria-pressed=true]{background:#d99a1e;color:#1f2a33}
.arc-note{font-size:.88rem;color:var(--mut,#5a636b)}
/* 6-tab bar when the Arcade tab is added */
@media(max-width:639px){.tabbar.tab6{grid-template-columns:repeat(6,1fr)}.tabbar.tab6 a{font-size:.72rem}.tabbar.tab6 a span{white-space:nowrap}}
.arc-live{margin:0 0 6px;font:700 .75rem ui-monospace,Menlo,Consolas,monospace;color:#7ddc8a;letter-spacing:.06em;text-transform:uppercase}
.arc-toast{position:fixed;left:50%;top:calc(env(safe-area-inset-top) + 58px);transform:translate(-50%,-20px);opacity:0;z-index:60;max-width:calc(100% - 24px);box-sizing:border-box;
  padding:10px 14px;background:#d99a1e;color:#1f2a33;border:2px solid #000;border-radius:4px;box-shadow:0 4px 0 #8a5a0b;font:800 .9rem/1.25 ui-monospace,Menlo,Consolas,monospace;
  transition:opacity .2s,transform .2s;pointer-events:none;text-align:center}
.arc-toast.on{opacity:1;transform:translate(-50%,0)}