:root {
  --bg: #12181e; --panel: rgba(18, 24, 30, .72); --line: rgba(255, 255, 255, .12);
  --text: #eef3f7; --mut: #9aa7b3; --accent: #4ade80; --warn: #f2c94c; --bad: #ff6b6b; --money: #ffd166;
  font-family: system-ui, -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
}
* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; overflow: hidden; background: var(--bg); color: var(--text); }
canvas#c { position: fixed; inset: 0; width: 100%; height: 100%; display: block; touch-action: none; cursor: default; }
canvas#c.grab { cursor: grab; }
canvas#c.grabbing { cursor: grabbing; }
[hidden] { display: none !important; }
button { font: inherit; color: inherit; cursor: pointer; }

#hud { position: fixed; inset: 0; pointer-events: none; }
#hud > * { pointer-events: none; }
.panel, #top, #integrity, #help, #toast, .btns, .binhud button, #shop button { pointer-events: auto; }

/* top bar */
#top { position: absolute; top: 10px; left: 10px; right: 10px; display: flex; align-items: center; gap: 12px; padding: 8px 12px;
  background: var(--panel); backdrop-filter: blur(10px); border: 1px solid var(--line); border-radius: 14px; }
.brand { display: flex; align-items: center; gap: 10px; min-width: 0; }
.brand b { display: block; font-size: 16px; letter-spacing: .02em; }
.brand small { color: var(--mut); font-size: 11px; }
.logo { display: grid; place-items: center; width: 34px; height: 34px; border-radius: 10px; background: linear-gradient(135deg, #22c55e, #15803d); font-size: 20px; }
.logo.big { width: 64px; height: 64px; font-size: 38px; border-radius: 18px; margin: 0 auto 8px; }
.chips { display: flex; gap: 8px; margin: 0 auto; }
.chip { min-width: 78px; padding: 4px 12px; border-radius: 10px; background: rgba(255, 255, 255, .06); text-align: center; }
.chip small { display: block; color: var(--mut); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }
.chip b { font-size: 18px; font-variant-numeric: tabular-nums; }
.chip.money b { color: var(--money); }
#chipCombo.hot b { color: var(--accent); }
.btns { display: flex; gap: 6px; }
.ghost { background: rgba(255, 255, 255, .07); border: 1px solid var(--line); border-radius: 10px; padding: 7px 12px; transition: background .15s; }
.ghost:hover { background: rgba(255, 255, 255, .15); }

#integrity { position: absolute; top: 72px; left: 50%; transform: translateX(-50%); display: flex; align-items: center; gap: 10px; padding: 6px 14px;
  background: var(--panel); border: 1px solid var(--line); border-radius: 999px; font-size: 12px; color: var(--mut); }
#integrity .bar { width: 220px; height: 8px; border-radius: 99px; background: rgba(255, 255, 255, .1); overflow: hidden; }
#integrity .bar i { display: block; height: 100%; width: 100%; background: var(--accent); border-radius: 99px; transition: width .3s, background .3s; }
#integrity b { color: var(--text); font-variant-numeric: tabular-nums; min-width: 38px; text-align: right; }
#integrity.hit { animation: shake .35s; }
@keyframes shake { 20% { transform: translateX(calc(-50% - 6px)); } 60% { transform: translateX(calc(-50% + 6px)); } }

/* panels */
.panel { position: absolute; background: var(--panel); backdrop-filter: blur(10px); border: 1px solid var(--line); border-radius: 14px; padding: 12px 14px; }
.panel h3 { margin: 0 0 8px; font-size: 12px; text-transform: uppercase; letter-spacing: .1em; color: var(--mut); display: flex; justify-content: space-between; align-items: center; }
#eco { left: 10px; bottom: 10px; width: 210px; }
#eco dl { margin: 0; display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; font-size: 13px; }
#eco dt { color: var(--mut); } #eco dd { margin: 0; font-weight: 700; font-variant-numeric: tabular-nums; text-align: right; }
#eco .foot { margin: 8px 0 0; font-size: 10px; color: var(--mut); }
#shop { display: none; right: 10px; top: 72px; width: 250px; max-height: calc(100vh - 150px); overflow: auto; background: rgba(18, 24, 30, .9); }
#shop.open { display: block; } #shop .x { display: block; }
#btnShop.alert { border-color: var(--accent); box-shadow: 0 0 0 0 rgba(74, 222, 128, .6); animation: pulse 1.4s infinite; }
@keyframes pulse { to { box-shadow: 0 0 0 10px rgba(74, 222, 128, 0); } }
#shop .x { display: none; background: none; border: 0; font-size: 22px; line-height: 1; color: var(--mut); }
.up { display: grid; grid-template-columns: 1fr auto; gap: 2px 8px; width: 100%; text-align: left; padding: 7px 10px; margin-bottom: 5px; border-radius: 10px;
  background: rgba(255, 255, 255, .05); border: 1px solid var(--line); transition: transform .12s, background .15s, border-color .15s; }
.up b { font-size: 13px; } .up span { display: none; }
.up em { font-style: normal; font-weight: 700; color: var(--money); font-variant-numeric: tabular-nums; }
.up.afford { border-color: rgba(74, 222, 128, .6); background: rgba(74, 222, 128, .1); }
.up.afford:hover { transform: translateY(-1px); background: rgba(74, 222, 128, .18); }
.up.owned { opacity: .6; border-style: dashed; cursor: default; } .up.owned em { color: var(--accent); }
.up:disabled:not(.owned) { opacity: .75; cursor: not-allowed; }

/* bin overlays */
.binhud { position: absolute; left: 0; top: 0; width: 120px; margin-left: -60px; text-align: center; will-change: transform; transform-origin: 50% 0; }
.binhud .row { display: flex; align-items: center; justify-content: center; gap: 6px; font-size: 12px; font-weight: 700; text-shadow: 0 1px 3px #000; }
.binhud kbd { display: inline-grid; place-items: center; width: 18px; height: 18px; border-radius: 5px; background: #12181e; border: 1px solid var(--c); font: 700 11px system-ui; }
.binhud .bar { height: 7px; margin: 4px 8px; border-radius: 99px; background: rgba(0, 0, 0, .55); overflow: hidden; border: 1px solid rgba(255, 255, 255, .15); }
.binhud .bar i { display: block; height: 100%; width: 0; background: var(--c); transition: width .25s, background .25s; }
.binhud.full .bar i { background: var(--bad); animation: blink .6s infinite alternate; }
.binhud .pur { font-size: 10px; color: #cfd8df; text-shadow: 0 1px 2px #000; height: 13px; }
.binhud button { margin-top: 2px; padding: 3px 10px; border-radius: 8px; font-size: 11px; font-weight: 700; background: rgba(18, 24, 30, .85); border: 1px solid var(--c); }
.binhud button:disabled { opacity: .4; cursor: default; }
.binhud button:not(:disabled):hover { background: var(--c); color: #12181e; }
.binhud.full button { background: var(--bad); border-color: var(--bad); color: #fff; animation: blink .6s infinite alternate; }
@keyframes blink { to { filter: brightness(1.5); } }

#floats .f { position: absolute; font-weight: 800; font-size: 18px; text-shadow: 0 2px 4px #000, 0 0 10px rgba(0, 0, 0, .6); white-space: nowrap;
  transform: translate(-50%, -50%); animation: floatUp 1.3s ease-out forwards; }
@keyframes floatUp { 0% { opacity: 0; margin-top: 10px; scale: .6; } 15% { opacity: 1; scale: 1.15; } 100% { opacity: 0; margin-top: -60px; scale: 1; } }
#tip { position: absolute; left: 0; top: 0; padding: 4px 9px; border-radius: 8px; background: rgba(18, 24, 30, .9); border: 1px solid var(--line); font-size: 12px; font-weight: 700;
  transform: translate(-50%, -140%); white-space: nowrap; opacity: 0; transition: opacity .12s; }
#tip.on { opacity: 1; }

#banner { position: absolute; top: 28%; left: 50%; transform: translate(-50%, 0); font-size: clamp(28px, 6vw, 56px); font-weight: 900; letter-spacing: .05em;
  text-shadow: 0 4px 24px rgba(0, 0, 0, .7); opacity: 0; text-align: center; }
#banner.show { animation: banner 2.2s ease-out; }
#banner small { display: block; font-size: .3em; font-weight: 600; letter-spacing: .1em; color: var(--accent); }
@keyframes banner { 0% { opacity: 0; transform: translate(-50%, 20px) scale(.8); } 15% { opacity: 1; transform: translate(-50%, 0) scale(1); } 75% { opacity: 1; } 100% { opacity: 0; transform: translate(-50%, -10px); } }

#toast { position: absolute; left: 50%; bottom: 74px; transform: translate(-50%, 20px); width: min(560px, calc(100vw - 24px)); padding: 10px 14px; border-radius: 12px;
  background: rgba(18, 24, 30, .92); border: 1px solid var(--line); border-left: 5px solid var(--accent); opacity: 0; transition: opacity .25s, transform .25s; pointer-events: none; }
#toast.show { opacity: 1; transform: translate(-50%, 0); }
#toast b { display: block; font-size: 14px; } #toast span { font-size: 12px; color: #c4cfd8; line-height: 1.4; }
#toast.bad { border-left-color: var(--bad); } #toast.warn { border-left-color: var(--warn); }
#help { position: absolute; bottom: 10px; left: 50%; transform: translateX(-50%); padding: 6px 14px; border-radius: 999px; background: var(--panel); border: 1px solid var(--line);
  font-size: 12px; color: var(--mut); white-space: nowrap; pointer-events: none; }
#help b { color: var(--text); }

/* overlays */
.overlay { position: fixed; inset: 0; display: grid; place-items: center; z-index: 20; background: radial-gradient(ellipse at center, rgba(10, 14, 18, .55), rgba(10, 14, 18, .88)); padding: 14px; overflow: auto; }
.card { width: min(560px, 100%); text-align: center; padding: 26px 28px; border-radius: 22px; background: rgba(22, 29, 36, .92); border: 1px solid var(--line); box-shadow: 0 24px 80px rgba(0, 0, 0, .55); }
.card.small { width: 320px; }
.card h1 { margin: 0; font-size: 44px; letter-spacing: .02em; }
.card h2 { margin: 0 0 6px; font-size: 28px; }
.card .sub { margin: 2px 0 14px; color: var(--accent); font-weight: 700; letter-spacing: .08em; text-transform: uppercase; font-size: 12px; }
.card p { color: #c4cfd8; line-height: 1.55; font-size: 14px; }
.card .hint { font-size: 12px; color: var(--mut); margin: 12px 0 0; }
.legend { display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px; margin: 16px 0 20px; }
.legend div { padding: 8px 6px; border-radius: 10px; background: rgba(255, 255, 255, .05); border-top: 4px solid var(--c); font-size: 12px; }
.legend b { display: block; font-size: 13px; } .legend span { color: var(--mut); font-size: 11px; }
.primary { padding: 12px 28px; border-radius: 12px; border: 0; font-weight: 800; font-size: 16px; color: #06260f; background: linear-gradient(180deg, #5ef08f, #22c55e);
  box-shadow: 0 6px 24px rgba(34, 197, 94, .35); transition: transform .12s; }
.primary:hover { transform: translateY(-2px); }
.grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 8px; margin: 12px 0 18px; }
.grid div { padding: 10px; border-radius: 10px; background: rgba(255, 255, 255, .06); }
.grid small { display: block; color: var(--mut); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; } .grid b { font-size: 20px; }

@media (max-width: 1000px) {
  #eco { display: none; }
  #shop { top: 118px; }
  #help { display: none; }
  .brand small { display: none; }
}
@media (max-width: 640px) {
  #top { gap: 6px; padding: 6px 8px; } .brand b { display: none; }
  .chip { min-width: 0; padding: 3px 8px; } .chip b { font-size: 15px; }
  #integrity { top: 62px; } #integrity .bar { width: 140px; }
  .binhud { width: 70px; margin-left: -35px; } .binhud .row span, .binhud .pur, .binhud button { display: none; }
  .legend { grid-template-columns: repeat(2, 1fr); }
  #toast { bottom: 18px; }
}