/* Layout: full-bleed camera/canvas, glass HUD pinned top, thumb controls pinned bottom.
   Single dark look on purpose: it sits over a live camera feed in bright sun. */
:root {
  --ink: #f3f7f1;
  --ink-dim: #b6c4b8;
  --glass: rgba(10, 20, 14, 0.72);
  --glass-hi: rgba(26, 42, 32, 0.9);
  --line: rgba(255, 255, 255, 0.14);
  --tracer: #ff4530;
  --aim: #ffd23f;
  --target: #4ee6ff;
  --turf: #0b1510;
  --display: "Barlow Condensed", "Arial Narrow", system-ui, sans-serif;
  --body: "Barlow", system-ui, -apple-system, "Segoe UI", sans-serif;
  color-scheme: dark;
}

* { box-sizing: border-box; }
html, body { height: 100%; margin: 0; overflow: hidden; background: var(--turf); color: var(--ink); font-family: var(--body); -webkit-tap-highlight-color: transparent; }
button, input, select { font: inherit; color: inherit; }
[hidden] { display: none !important; }

#video, #overlay { position: fixed; inset: 0; width: 100%; height: 100%; }
#video { object-fit: cover; background: #000; }
#overlay { touch-action: none; }

/* ---------- start ---------- */
.start {
  position: fixed; inset: 0; display: grid; place-items: end center;
  padding: max(24px, env(safe-area-inset-top)) max(16px, env(safe-area-inset-right)) max(24px, env(safe-area-inset-bottom)) max(16px, env(safe-area-inset-left));
  background:
    linear-gradient(180deg, rgba(11, 21, 16, 0) 0%, rgba(11, 21, 16, 0.9) 55%, var(--turf) 100%),
    radial-gradient(120% 70% at 30% 10%, #3f6e44 0%, #1a3322 45%, var(--turf) 100%);
}
.start::before {
  /* a lone tracer arc as the start screen's one flourish */
  content: ""; position: absolute; left: 8%; right: 8%; top: 12%; height: 42%;
  border-top: 4px solid var(--tracer); border-radius: 50% 50% 0 0 / 100% 100% 0 0;
  filter: drop-shadow(0 0 10px var(--tracer)); opacity: 0.9;
  transform: skewX(-12deg);
}
.start-card { position: relative; max-width: 30rem; display: grid; gap: 14px; }
.eyebrow { margin: 0; font: 600 0.8rem/1 var(--display); letter-spacing: 0.16em; text-transform: uppercase; color: var(--aim); }
h1 { margin: 0; font: 700 clamp(2.2rem, 9vw, 3.4rem)/0.95 var(--display); text-wrap: balance; letter-spacing: -0.01em; }
.lede { margin: 0; color: var(--ink-dim); line-height: 1.45; }
.fine { margin: 0; font-size: 0.82rem; color: var(--ink-dim); line-height: 1.4; }
.error { margin: 0; color: #ffb4a8; font-weight: 600; }
.start-actions { display: grid; gap: 10px; }

.btn {
  min-height: 48px; padding: 0 18px; border-radius: 12px; border: 1px solid var(--line);
  background: var(--glass-hi); font: 600 1.05rem/1 var(--display); letter-spacing: 0.04em; text-transform: uppercase; cursor: pointer;
}
.btn.primary { background: var(--aim); color: #1a1405; border-color: transparent; }
.btn.small { min-height: 40px; font-size: 0.95rem; padding: 0 14px; }
.btn:focus-visible, .icon-btn:focus-visible, .pill:focus-visible { outline: 2px solid var(--target); outline-offset: 2px; }

/* ---------- HUD ---------- */
.hud {
  position: fixed; top: 0; left: 0; right: 0; display: grid; gap: 8px; pointer-events: none;
  padding: calc(env(safe-area-inset-top) + 10px) max(12px, env(safe-area-inset-right)) 0 max(12px, env(safe-area-inset-left));
}
.hud > * { pointer-events: auto; }
.hud-row { display: flex; align-items: center; justify-content: space-between; gap: 8px; }
.club-readout { flex: 1; display: grid; padding: 8px 12px; border-radius: 12px; background: var(--glass); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px); min-width: 0; }
.club-name { font: 700 1.6rem/1 var(--display); }
.club-stats { font: 500 0.9rem/1.2 var(--display); color: var(--ink-dim); letter-spacing: 0.03em; font-variant-numeric: tabular-nums; }
.chips { display: flex; gap: 6px; align-items: center; }
.chip { padding: 6px 9px; border-radius: 999px; background: var(--glass); font: 600 0.8rem/1 var(--display); letter-spacing: 0.1em; }
.chip-btn { border: 1px solid var(--line); cursor: pointer; color: var(--aim); }
.chip.warn { background: rgba(255, 120, 60, 0.85); color: #1a0a02; }
.mono { font-variant-numeric: tabular-nums; }
.icon-btn { width: 40px; height: 40px; border-radius: 12px; border: 0; background: var(--glass); display: grid; place-items: center; cursor: pointer; }

.tip {
  display: grid; grid-template-columns: auto 1fr; gap: 4px 14px; align-items: start;
  padding: 10px 12px; border-radius: 14px; background: var(--glass); backdrop-filter: blur(10px); -webkit-backdrop-filter: blur(10px);
  border-left: 0;
}
.tip-aim { display: grid; grid-row: span 2; padding-right: 12px; border-right: 1px solid var(--line); }
.aim-big { font: 700 2rem/1 var(--display); color: var(--aim); font-variant-numeric: tabular-nums; }
.aim-sub { font: 500 0.8rem/1.2 var(--display); color: var(--ink-dim); max-width: 7.5rem; }
.tip-lines { margin: 0; padding: 0; list-style: none; display: grid; gap: 2px; font-size: 0.86rem; line-height: 1.3; min-width: 0; }
.tip-club { grid-column: 2; justify-self: start; margin-top: 4px; border: 1px solid var(--target); color: var(--target); background: transparent; border-radius: 8px; padding: 5px 9px; font: 600 0.85rem/1.2 var(--display); text-align: left; cursor: pointer; }

/* ---------- controls ---------- */
.controls {
  position: fixed; left: 0; right: 0; bottom: 0; display: grid; gap: 8px;
  padding: 10px max(12px, env(safe-area-inset-right)) calc(env(safe-area-inset-bottom) + 10px) max(12px, env(safe-area-inset-left));
  background: linear-gradient(180deg, rgba(10, 20, 14, 0) 0%, rgba(10, 20, 14, 0.78) 28%, rgba(10, 20, 14, 0.92) 100%);
}
.shape-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 4px; padding: 4px; border-radius: 12px; background: var(--glass); }
.club-row { display: flex; gap: 6px; overflow-x: auto; scrollbar-width: none; padding-bottom: 2px; }
.club-row::-webkit-scrollbar { display: none; }
.pill {
  flex: 0 0 auto; min-height: 40px; min-width: 48px; padding: 0 10px; border-radius: 10px; border: 1px solid var(--line);
  background: var(--glass); font: 600 1rem/1 var(--display); letter-spacing: 0.04em; cursor: pointer;
}
.shape-row .pill { border: 0; background: transparent; min-width: 0; padding: 0 4px; font-size: 0.95rem; }
.pill[aria-checked="true"] { background: var(--ink); color: var(--turf); }
.shape-row .pill[aria-checked="true"] { background: var(--tracer); color: #fff; }
.pill .sub { display: block; font-size: 0.7rem; font-weight: 500; opacity: 0.7; margin-top: 2px; }

.target-row { display: flex; gap: 12px; align-items: center; }
.dist { flex: 1; display: grid; gap: 2px; min-width: 0; }
.dist-label { font: 500 0.9rem/1 var(--display); color: var(--ink-dim); letter-spacing: 0.04em; }
.dist-label b { color: var(--target); font-size: 1.1rem; font-variant-numeric: tabular-nums; }
input[type="range"] { width: 100%; accent-color: var(--target); }
.toggle-row { display: flex; flex-wrap: wrap; gap: 4px 14px; font-size: 0.85rem; color: var(--ink-dim); }
.toggle { display: inline-flex; gap: 6px; align-items: center; }
.toggle input { accent-color: var(--aim); width: 18px; height: 18px; }

.reticle {
  position: fixed; left: 50%; top: 50%; width: 26px; height: 26px; margin: -13px 0 0 -13px; pointer-events: none;
  border: 2px solid var(--target); border-radius: 50%; box-shadow: 0 0 0 1px rgba(0,0,0,0.4);
}
.hint { position: fixed; left: 50%; bottom: calc(env(safe-area-inset-bottom) + 260px); transform: translateX(-50%); margin: 0; padding: 6px 10px; border-radius: 999px; background: var(--glass); font-size: 0.8rem; color: var(--ink-dim); pointer-events: none; white-space: nowrap; transition: opacity 0.6s; }

/* ---------- settings sheet ---------- */
.sheet {
  width: min(100%, 44rem); max-height: 88vh; margin: auto auto 0; padding: 0; border: 0; border-radius: 18px 18px 0 0;
  background: #142219; color: var(--ink);
}
.sheet::backdrop { background: rgba(0, 0, 0, 0.55); }
.sheet-inner { display: grid; gap: 12px; padding: 16px max(16px, env(safe-area-inset-right)) calc(env(safe-area-inset-bottom) + 16px) max(16px, env(safe-area-inset-left)); }
.sheet-head, .sheet-foot { display: flex; justify-content: space-between; align-items: center; gap: 8px; flex-wrap: wrap; }
h2 { margin: 0; font: 700 1.6rem/1 var(--display); }
.table-wrap { overflow-x: auto; border: 1px solid var(--line); border-radius: 12px; }
table.bag { border-collapse: collapse; width: 100%; font-variant-numeric: tabular-nums; }
.bag th { font: 600 0.75rem/1 var(--display); letter-spacing: 0.08em; text-transform: uppercase; color: var(--ink-dim); text-align: left; padding: 8px 6px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.bag td { padding: 3px 4px; border-bottom: 1px solid rgba(255,255,255,0.05); }
.bag td:first-child { font: 600 1rem/1 var(--display); padding-left: 10px; white-space: nowrap; }
.bag input { width: 4.2rem; min-height: 34px; padding: 4px 6px; border-radius: 8px; border: 1px solid var(--line); background: rgba(0,0,0,0.25); }
.settings-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(10rem, 1fr)); gap: 10px; }
.settings-grid label { display: grid; gap: 4px; font-size: 0.85rem; color: var(--ink-dim); }
.settings-grid input, .settings-grid select { min-height: 40px; padding: 4px 8px; border-radius: 8px; border: 1px solid var(--line); background: rgba(0,0,0,0.25); }

@media (min-width: 900px) {
  .hud { right: auto; width: 26rem; }
  .controls { left: auto; width: 30rem; right: 16px; bottom: 16px; border-radius: 18px; background: var(--glass); padding: 12px; }
}
@media (prefers-reduced-motion: reduce) { .hint { transition: none; } }