:root {
  --bg: #10161a;
  --bg-2: #161f25;
  --panel: #1b262d;
  --panel-2: #223039;
  --line: #2c3d47;
  --text: #e7eef2;
  --muted: #9bb0bb;
  --felt: #0f6d4b;
  --felt-bright: #23c98a;
  --yellow: #f0c020;
  --white-ball: #f3efe2;
  --red: #d33a2c;
  --wood: #8b5a2b;
  --radius: 12px;
  color-scheme: dark;
}

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  background:
    radial-gradient(1100px 600px at 50% -10%, #1c2d33 0%, transparent 60%),
    var(--bg);
  color: var(--text);
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  -webkit-text-size-adjust: 100%;
}

.app {
  max-width: 1120px;
  margin: 0 auto;
  padding: 18px 16px 40px;
}

/* ---------- top bar ---------- */

.topbar {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 14px;
}

.topbar h1 {
  margin: 0;
  font-size: clamp(19px, 3.4vw, 26px);
  letter-spacing: -0.02em;
  display: flex;
  align-items: baseline;
  gap: 9px;
}

.topbar h1 .ko {
  font-size: 0.62em;
  color: var(--felt-bright);
  border: 1px solid rgba(35, 201, 138, 0.35);
  border-radius: 999px;
  padding: 2px 9px;
  font-weight: 600;
}

.settings {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
}

.settings label {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}

select, .btn {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 7px 11px;
  cursor: pointer;
}

select { font-size: 14px; text-transform: none; letter-spacing: 0; }
select:focus-visible, .btn:focus-visible, .spin-pad:focus-visible,
.segmented button:focus-visible {
  outline: 2px solid var(--felt-bright);
  outline-offset: 2px;
}

.btn:hover { background: #2a3b46; }
.btn.icon { padding: 7px 10px; line-height: 1; }
.btn.tiny { padding: 4px 9px; font-size: 12px; }

.btn.primary {
  background: linear-gradient(180deg, #1c9c6d, #157a55);
  border-color: #26b37e;
  font-weight: 600;
}
.btn.primary:hover { background: linear-gradient(180deg, #22b47d, #178a5f); }

/* ---------- scoreboard ---------- */

.scores {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 12px;
}

.player {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr auto;
  align-items: center;
  gap: 10px;
  padding: 11px 14px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  transition: border-color 0.2s, background 0.2s;
}

.player.active {
  border-color: var(--felt-bright);
  background: linear-gradient(180deg, #1d3a31, var(--panel));
  box-shadow: 0 0 0 1px rgba(35, 201, 138, 0.25);
}

.chip {
  width: 22px;
  height: 22px;
  border-radius: 50%;
  box-shadow: inset -2px -3px 5px rgba(0, 0, 0, 0.45), inset 2px 2px 4px rgba(255, 255, 255, 0.4);
}
.chip-yellow { background: var(--yellow); }
.chip-white { background: var(--white-ball); }

.who { display: flex; flex-direction: column; min-width: 0; }
.who .name {
  font-weight: 650;
  letter-spacing: -0.01em;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.who .ballname { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.09em; }

.score { display: flex; align-items: baseline; gap: 4px; }
.score b { font-size: 30px; font-variant-numeric: tabular-nums; line-height: 1; }
.score i { font-style: normal; font-size: 12px; color: var(--muted); }

.stats {
  grid-column: 1 / -1;
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 6px;
  margin: 4px 0 0;
  padding-top: 8px;
  border-top: 1px solid var(--line);
}
.stats div { text-align: center; }
.stats dt { font-size: 10px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.08em; }
.stats dd { margin: 1px 0 0; font-size: 14px; font-variant-numeric: tabular-nums; }

/* ---------- table ---------- */

.table-wrap {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  box-shadow: 0 18px 40px rgba(0, 0, 0, 0.45);
}

#table {
  display: block;
  width: 100%;
  aspect-ratio: 259.6 / 145.3;
  touch-action: none;
  cursor: crosshair;
}

.banner {
  position: absolute;
  left: 50%;
  top: 12px;
  transform: translateX(-50%);
  padding: 7px 16px;
  border-radius: 999px;
  font-weight: 650;
  font-size: 14px;
  letter-spacing: 0.01em;
  background: rgba(10, 16, 20, 0.82);
  border: 1px solid var(--line);
  backdrop-filter: blur(4px);
  white-space: nowrap;
  pointer-events: none;
}
.banner.good { border-color: #2fd196; color: #7bf0c4; }
.banner.bad { border-color: #e0653f; color: #ffb191; }
.banner.neutral { color: var(--muted); }

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: rgba(8, 13, 16, 0.72);
  backdrop-filter: blur(3px);
}
.overlay-card {
  text-align: center;
  padding: 22px 30px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  box-shadow: 0 16px 40px rgba(0, 0, 0, 0.5);
}
.overlay-card h2 { margin: 0 0 6px; font-size: 24px; }
.overlay-card p { margin: 0 0 16px; color: var(--muted); }

/* ---------- controls ---------- */

.controls {
  margin-top: 12px;
  padding: 13px 15px;
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}

.status {
  margin: 0 0 11px;
  font-size: 14px;
  color: var(--muted);
  min-height: 1.5em;
}
.status b { color: var(--text); }

.control-row {
  display: grid;
  grid-template-columns: 1fr auto auto;
  gap: 18px;
  align-items: center;
}

.label {
  font-size: 11px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.09em;
  margin-bottom: 6px;
  display: flex;
  justify-content: space-between;
  gap: 10px;
}
.label span { color: var(--text); font-variant-numeric: tabular-nums; }

.meter {
  height: 16px;
  border-radius: 999px;
  background: #14202730;
  border: 1px solid var(--line);
  overflow: hidden;
}
.meter span {
  display: block;
  height: 100%;
  width: 0%;
  border-radius: 999px;
  background: linear-gradient(90deg, #29b47d, #d8d13a 62%, #e05a3a);
  transition: width 0.05s linear;
}

.spin { text-align: center; }
.spin-pad {
  position: relative;
  width: 62px;
  height: 62px;
  margin: 0 auto 6px;
  border-radius: 50%;
  cursor: pointer;
  background:
    radial-gradient(circle at 34% 30%, #ffffff, #ded8c6 45%, #9c9484 100%);
  border: 1px solid #0006;
  box-shadow: inset 0 -4px 8px rgba(0, 0, 0, 0.28);
  touch-action: none;
}
.spin-pad::before, .spin-pad::after {
  content: "";
  position: absolute;
  background: rgba(0, 0, 0, 0.16);
}
.spin-pad::before { left: 8%; right: 8%; top: 50%; height: 1px; }
.spin-pad::after { top: 8%; bottom: 8%; left: 50%; width: 1px; }
.spin-dot {
  position: absolute;
  width: 13px;
  height: 13px;
  margin: -6.5px 0 0 -6.5px;
  left: 50%;
  top: 50%;
  border-radius: 50%;
  background: #1d6cd8;
  box-shadow: 0 0 0 1.5px rgba(255, 255, 255, 0.75);
}

.aids { text-align: right; }
.segmented {
  display: inline-flex;
  border: 1px solid var(--line);
  border-radius: 9px;
  overflow: hidden;
  margin-bottom: 8px;
}
.segmented button {
  font: inherit;
  font-size: 13px;
  padding: 6px 12px;
  background: var(--panel-2);
  color: var(--muted);
  border: 0;
  border-right: 1px solid var(--line);
  cursor: pointer;
}
.segmented button:last-child { border-right: 0; }
.segmented button.on { background: #1c9c6d; color: #06231a; font-weight: 650; }

.shoot { display: block; width: 100%; padding: 10px 16px; touch-action: none; }
.shoot.charging { background: linear-gradient(180deg, #e0a13a, #c07a20); border-color: #f0b64c; }

/* ---------- rules ---------- */

.rules {
  margin-top: 20px;
  padding: 16px 18px;
  background: var(--bg-2);
  border: 1px solid var(--line);
  border-radius: var(--radius);
}
.rules h2 { margin: 0 0 10px; font-size: 17px; }
.rules h3 { margin: 0 0 6px; font-size: 13px; text-transform: uppercase; letter-spacing: 0.08em; color: var(--felt-bright); }
.rules-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.rules p, .rules li { color: var(--muted); font-size: 14px; }
.rules ul { margin: 6px 0 0; padding-left: 18px; }
.rules li { margin-bottom: 5px; }
.rules b { color: var(--text); }
.rules b.y { color: var(--yellow); }
.rules b.w { color: var(--white-ball); }

kbd {
  font: 600 11px/1 ui-monospace, SFMono-Regular, Menlo, monospace;
  padding: 3px 5px;
  border: 1px solid var(--line);
  border-bottom-width: 2px;
  border-radius: 5px;
  background: var(--panel-2);
  color: var(--text);
}

footer { margin-top: 18px; text-align: center; font-size: 13px; color: var(--muted); }
footer a { color: var(--felt-bright); }

/* ---------- narrow screens ---------- */

@media (max-width: 720px) {
  .app { padding: 12px 10px 28px; }
  .control-row { grid-template-columns: 1fr auto; gap: 12px; }
  .aids { grid-column: 1 / -1; text-align: left; }
  .aids .shoot { margin-top: 8px; }
  .rules-grid { grid-template-columns: 1fr; gap: 14px; }
  .stats { grid-template-columns: repeat(4, 1fr); }
  .score b { font-size: 24px; }
  .topbar { justify-content: center; }
  .settings { justify-content: center; }
}

@media (prefers-reduced-motion: reduce) {
  * { transition: none !important; }
}