:root {
  color-scheme: dark;
  --bg: #050a0d;
  --panel: rgba(10, 22, 28, .86);
  --panel-2: rgba(14, 31, 38, .92);
  --line: rgba(104, 220, 231, .16);
  --line-hot: rgba(91, 235, 244, .52);
  --cyan: #5bebf4;
  --blue: #3aa7ff;
  --green: #61f5ad;
  --amber: #ffc766;
  --red: #ff6680;
  --text: #e9fbff;
  --muted: #78929a;
}

* { box-sizing: border-box; }
html { background: var(--bg); }
body {
  margin: 0;
  min-width: 320px;
  min-height: 100vh;
  color: var(--text);
  font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", monospace;
  background:
    radial-gradient(circle at 50% -10%, rgba(23, 117, 137, .22), transparent 38rem),
    linear-gradient(rgba(41, 95, 106, .04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(41, 95, 106, .04) 1px, transparent 1px),
    var(--bg);
  background-size: auto, 28px 28px, 28px 28px, auto;
}

button, select { font: inherit; }
button { -webkit-tap-highlight-color: transparent; }
.shell { width: min(1180px, 100%); margin: 0 auto; padding: max(18px, env(safe-area-inset-top)) 16px max(24px, env(safe-area-inset-bottom)); }
.topbar { display: flex; align-items: flex-start; justify-content: space-between; gap: 20px; margin-bottom: 18px; }
.eyebrow, small { color: var(--cyan); font-size: 10px; letter-spacing: .17em; text-transform: uppercase; }
.eyebrow { margin: 0 0 6px; }
h1, h2, p { margin-top: 0; }
h1 { margin-bottom: 0; font: 700 clamp(22px, 5vw, 34px)/1.05 system-ui, sans-serif; letter-spacing: -.04em; }
h1 span { color: var(--muted); font-weight: 500; }
h2 { margin: 4px 0 0; font: 650 18px/1.2 system-ui, sans-serif; }
.system-state { display: flex; align-items: center; gap: 8px; color: var(--green); font-size: 12px; letter-spacing: .08em; }
.system-state i, .health-card i { width: 8px; height: 8px; border-radius: 50%; background: currentColor; box-shadow: 0 0 12px currentColor; }
.system-state.recording { color: var(--amber); }
.system-state.saved { color: var(--cyan); }

.panel { border: 1px solid var(--line); border-radius: 16px; background: linear-gradient(145deg, var(--panel-2), var(--panel)); box-shadow: inset 0 1px rgba(255,255,255,.025), 0 20px 60px rgba(0,0,0,.18); }
.setup-panel, .dataset-panel { padding: 18px; }
.section-heading { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 16px; }
.section-heading p { margin-bottom: 0; color: var(--muted); font: 13px/1.5 system-ui, sans-serif; }
.position-layout { display: grid; grid-template-columns: minmax(260px, 1fr) minmax(240px, .75fr); gap: 22px; align-items: center; }
.position-map { position: relative; width: min(100%, 410px); aspect-ratio: 1.35; margin: 0 auto; }
.position-map::before { content: ""; position: absolute; inset: 10% 20%; border: 1px dashed rgba(91,235,244,.18); border-radius: 50%; }
.position-button { position: absolute; z-index: 2; display: grid; place-items: center; width: 48px; height: 48px; border: 1px solid var(--line-hot); border-radius: 50%; color: var(--cyan); background: #09171c; cursor: pointer; transition: .18s ease; }
.position-button.active { color: #031013; background: var(--cyan); box-shadow: 0 0 24px rgba(91,235,244,.4); transform: scale(1.08); }
.position-button:disabled { opacity: .35; cursor: not-allowed; }
.p1 { left: calc(50% - 24px); top: 0; }.p2 { right: 10%; top: 18%; }.p3 { right: 0; top: calc(50% - 24px); }.p4 { right: 10%; bottom: 18%; }
.p5 { left: calc(50% - 24px); bottom: 0; }.p6 { left: 10%; bottom: 18%; }.p7 { left: 0; top: calc(50% - 24px); }.p8 { left: 10%; top: 18%; }
.phone-core { position: absolute; inset: 27% 32%; display: grid; place-content: center; text-align: center; border: 1px solid rgba(91,235,244,.3); border-radius: 22px; color: var(--muted); background: radial-gradient(circle, rgba(91,235,244,.12), rgba(4,10,13,.9)); box-shadow: 0 0 32px rgba(36,138,153,.12); }
.phone-core span { color: var(--cyan); font-size: 12px; letter-spacing: .2em; }.phone-core b { margin-top: 5px; font-size: 10px; font-weight: 400; }
.capture-card { padding: 20px; border: 1px solid rgba(91,235,244,.12); border-radius: 14px; background: rgba(3,10,13,.45); }
.position-readout, .count-readout { display: flex; align-items: baseline; justify-content: space-between; color: var(--muted); font-size: 11px; letter-spacing: .12em; }
.position-readout strong { color: var(--cyan); font-size: 46px; line-height: 1; }.count-readout { margin-top: 16px; }.count-readout strong { color: var(--text); font-size: 20px; }.count-readout b { color: var(--green); }
.progress-track, .meter { overflow: hidden; height: 5px; margin: 10px 0 18px; border-radius: 10px; background: rgba(255,255,255,.06); }
.progress-track i, .meter i { display: block; width: 0; height: 100%; border-radius: inherit; background: linear-gradient(90deg, var(--blue), var(--cyan)); box-shadow: 0 0 12px var(--cyan); transition: width .2s; }
.primary-button, .secondary-button, .danger-button { width: 100%; min-height: 48px; padding: 10px 14px; border-radius: 10px; cursor: pointer; }
.primary-button { border: 1px solid var(--cyan); color: #041013; background: var(--cyan); font-weight: 700; }
.secondary-button { margin-top: 8px; border: 1px solid var(--line-hot); color: var(--cyan); background: transparent; }
.danger-button { border: 1px solid rgba(255,102,128,.38); color: var(--red); background: transparent; }
button:disabled { opacity: .42; cursor: not-allowed; }
.guidance, .storage-status { margin: 12px 0 0; color: var(--muted); font: 12px/1.5 system-ui, sans-serif; }

.metric-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 12px; margin: 12px 0; }
.metric-card { min-height: 132px; padding: 15px; }.detection-state { margin: 12px 0 6px; font-size: 26px; font-weight: 800; letter-spacing: .08em; }.detection-state.wait { color: var(--muted); }.detection-state.impact { color: var(--amber); text-shadow: 0 0 16px rgba(255,199,102,.4); }.detection-state.saved { color: var(--green); }.detection-card p { color: var(--muted); font-size: 11px; }
.detection-state.impact_attack, .detection-state.ringing { color: var(--amber); text-shadow: 0 0 16px rgba(255,199,102,.35); }
.detection-state.decay_complete { color: var(--cyan); }.detection-state.save { color: var(--green); }
.detection-state.duplicate { color: var(--red); text-shadow: 0 0 16px rgba(255,102,128,.35); }
.axis-values { display: grid; gap: 9px; margin-top: 13px; color: var(--muted); font-size: 11px; }.axis-values span { display: flex; justify-content: space-between; }.axis-values b { color: var(--text); font-weight: 500; }
.large-value { display: block; margin-top: 14px; font-size: 24px; }.meter { margin-top: 13px; }.meter i { background: linear-gradient(90deg, var(--green), var(--amber)); }
.health-card p { display: flex; align-items: center; gap: 8px; margin: 12px 0 0; color: var(--muted); font-size: 11px; }.health-card b { margin-left: auto; color: var(--text); font-weight: 500; }.health-card i { color: var(--muted); }.health-card i.ok { color: var(--green); }.health-card i.error { color: var(--red); }
.quality-panel { margin: 0 0 12px; padding: 16px; }.quality-heading { display: flex; align-items: center; justify-content: space-between; gap: 12px; }.quality-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-top: 14px; }.quality-grid div { padding: 12px; border: 1px solid var(--line); border-radius: 10px; background: rgba(3,10,13,.4); }.quality-grid span { display: block; color: var(--muted); font-size: 10px; text-transform: uppercase; letter-spacing: .08em; }.quality-grid strong { display: block; margin-top: 7px; font-size: 20px; }.confidence { min-width: 76px; padding: 6px 9px; border: 1px solid currentColor; border-radius: 999px; text-align: center; font-size: 10px; letter-spacing: .12em; }.confidence.high { color: var(--green); }.confidence.medium { color: var(--amber); }.confidence.low { color: var(--red); }
.chart-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }.chart-panel { overflow: hidden; padding: 15px; }.chart-panel.wide { grid-column: 1 / -1; }.chart-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 10px; }.chart-heading b { color: var(--muted); font-size: 10px; font-weight: 400; }.legend { display: flex; gap: 10px; font-size: 10px; }.legend .x { color: var(--cyan); }.legend .y { color: var(--amber); }.legend .z { color: var(--green); }
canvas { display: block; width: 100%; height: 180px; border-radius: 8px; background: rgba(2,8,10,.5); }
.dataset-panel { margin-top: 12px; }.position-summary { display: grid; grid-template-columns: repeat(8, 1fr); gap: 8px; }.position-summary button { min-height: 58px; padding: 8px 4px; border: 1px solid var(--line); border-radius: 9px; color: var(--muted); background: rgba(3,10,13,.4); }.position-summary button.active { border-color: var(--cyan); color: var(--cyan); }.position-summary b { display: block; margin-top: 5px; color: var(--text); font-size: 16px; }.position-summary .complete b { color: var(--green); }.dataset-actions { display: grid; grid-template-columns: 1fr 1fr 1fr; gap: 8px; margin-top: 14px; }.dataset-actions .secondary-button { margin: 0; }
.error-panel { margin-top: 12px; padding: 14px 16px; border: 1px solid rgba(255,102,128,.4); border-radius: 12px; color: var(--red); background: rgba(70,10,22,.22); }.error-panel p { margin: 7px 0 0; color: #ffafbd; font: 12px/1.5 system-ui, sans-serif; }
footer { display: flex; justify-content: space-between; gap: 10px; padding: 18px 2px 0; color: #47616a; font-size: 9px; letter-spacing: .12em; }

@media (max-width: 760px) {
  .shell { padding-left: 12px; padding-right: 12px; }
  .topbar { align-items: center; }.eyebrow { font-size: 8px; }.system-state { font-size: 10px; }
  .position-layout { grid-template-columns: 1fr; }.position-map { width: min(100%, 355px); }
  .metric-grid { grid-template-columns: 1fr 1fr; }.chart-grid { grid-template-columns: 1fr; }.chart-panel.wide { grid-column: auto; }
  .quality-grid { grid-template-columns: 1fr 1fr; }
  .position-summary { grid-template-columns: repeat(4, 1fr); }.dataset-actions { grid-template-columns: 1fr; }
  .section-heading { align-items: flex-start; flex-direction: column; }.section-heading p { font-size: 11px; }
  footer { flex-direction: column; }
}

@media (max-width: 380px) {
  h1 { font-size: 20px; }.setup-panel, .dataset-panel { padding: 14px; }.metric-card { padding: 12px; }.position-button { width: 44px; height: 44px; }.position-readout strong { font-size: 40px; }
}