:root {
  --bg: #0c1a12;
  --bg2: #12261a;
  --ink: #e8f2e9;
  --dim: #a4bfae;
  --line: #24422f;
  --accent: #d8b25a;
  --warn: #e2734a;
  --ok: #6fc27b;
  color-scheme: dark;
}
* { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0; background: var(--bg); color: var(--ink);
  font: 15px/1.5 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}
#wrap { display: flex; flex-direction: column; min-height: 100%; max-width: 1180px; margin: 0 auto; padding: 0 12px; }

#top { display: flex; flex-wrap: wrap; align-items: baseline; gap: 10px; padding: 10px 2px 8px; border-bottom: 1px solid var(--line); }
h1 { margin: 0; font-size: 21px; letter-spacing: .2px; font-weight: 650; }
#topbar { margin-left: auto; display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
#innLabel { color: var(--dim); font-size: 13px; }

button, select {
  font: inherit; font-size: 13px; color: var(--ink); background: #17301f;
  border: 1px solid var(--line); border-radius: 7px; padding: 6px 10px; cursor: pointer;
}
button:hover, select:hover { background: #1e3d28; }
button:focus-visible, select:focus-visible { outline: 2px solid var(--accent); outline-offset: 1px; }
button.on, button[aria-pressed="true"] { background: var(--accent); color: #16240f; border-color: var(--accent); font-weight: 600; }
button.go { background: #2b5c39; border-color: #3c7a4d; font-weight: 600; }
button.go:hover { background: #357045; }

#stage { position: relative; margin: 10px 0; border: 1px solid var(--line); border-radius: 10px; overflow: hidden; background: #9fb8cd; }
#glcanvas { display: block; width: 100%; height: min(58vh, 520px); min-height: 260px; }
#glfail { position: absolute; inset: 0; display: grid; place-items: center; margin: 0; padding: 20px; text-align: center; background: #0c1a12; color: var(--warn); }

#hud { position: absolute; inset: 0; pointer-events: none; padding: 10px; display: grid;
  grid-template-columns: auto 1fr auto; grid-template-rows: auto 1fr auto; gap: 8px; font-size: 13px; }
#scoreBox { grid-column: 1; grid-row: 1; background: rgba(8,20,13,.72); border: 1px solid var(--line);
  border-radius: 9px; padding: 8px 12px; }
#scoreMain { font-size: 30px; font-weight: 700; line-height: 1.05; letter-spacing: .5px; }
#scoreOvers { color: var(--dim); }
#targetRow { margin-top: 4px; color: var(--accent); font-weight: 600; }
#statBox { grid-column: 3; grid-row: 1; background: rgba(8,20,13,.72); border: 1px solid var(--line);
  border-radius: 9px; padding: 8px 12px; min-width: 190px; }
#statBox div { display: flex; justify-content: space-between; gap: 12px; }
.k { color: var(--dim); }
#logBox { grid-column: 1 / -1; grid-row: 3; justify-self: start; background: rgba(8,20,13,.72);
  border: 1px solid var(--line); border-radius: 9px; padding: 6px 10px; }
#ballLog { display: inline-flex; gap: 4px; margin-left: 6px; }
.bl { display: inline-grid; place-items: center; min-width: 22px; height: 22px; padding: 0 5px;
  border-radius: 5px; background: #1d3a26; font-size: 12px; font-weight: 600; }
.bl.b { background: #2f6a3f; }
.bl.w { background: #8c3524; }

#msg { position: absolute; left: 50%; top: 46%; transform: translate(-50%,-50%); margin: 0;
  background: rgba(8,20,13,.9); border: 1px solid var(--accent); border-radius: 10px;
  padding: 10px 18px; font-size: 16px; font-weight: 600; text-align: center; max-width: 82%; }
#toast { position: absolute; left: 50%; bottom: 14px; transform: translateX(-50%);
  background: rgba(8,20,13,.92); border: 1px solid var(--line); border-radius: 8px; padding: 7px 14px; }
#msg[hidden], #toast[hidden], #glfail[hidden], .is-hidden { display: none !important; }

#pad { padding-bottom: 8px; }
.padrow { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; }
.readout { color: var(--dim); font-size: 13px; padding-left: 4px; }
.hint { color: var(--dim); font-size: 12px; flex-basis: 100%; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }
#meterWrap { flex-basis: 220px; height: 12px; border: 1px solid var(--line); border-radius: 7px;
  background: #17301f; overflow: hidden; position: relative; }
#meterWrap::after { content: ""; position: absolute; left: 39%; width: 22%; top: 0; bottom: 0;
  background: rgba(111,194,123,.22); }
#meterFill { height: 100%; width: 0; background: var(--accent); }
#meterWrap.good #meterFill { background: var(--ok); }

.panel { position: fixed; inset: 0; background: rgba(4,10,7,.86); display: grid; place-items: start center;
  overflow: auto; padding: 24px 12px; z-index: 20; }
.panelinner { background: var(--bg2); border: 1px solid var(--line); border-radius: 12px;
  padding: 20px 24px; max-width: 760px; width: 100%; position: relative; }
.panelinner h2 { margin: 0 0 4px; font-size: 20px; }
.panelinner h3 { margin: 18px 0 4px; font-size: 15px; color: var(--accent); }
.panelinner p, .panelinner li { color: #d3e4d8; }
.panelinner ul, .panelinner ol { padding-left: 20px; }
.panelinner li { margin: 3px 0; }
.panelinner label { display: block; margin: 12px 0 3px; color: var(--dim); font-size: 13px; }
.panelinner select { width: 100%; max-width: 280px; }
.panelinner .x { position: absolute; right: 16px; top: 16px; }
.stats { margin-top: 18px; color: var(--dim); font-size: 13px; }

#foot { border-top: 1px solid var(--line); padding: 10px 2px 16px; color: var(--dim); font-size: 12px; }
#foot a { color: var(--dim); }

@media (max-width: 620px) {
  #glcanvas { height: min(48vh, 380px); }
  #statBox { display: none; }
  #scoreMain { font-size: 24px; }
  .panelinner { padding: 16px; }
}
@media (prefers-reduced-motion: reduce) { * { scroll-behavior: auto; } }