/* Greasy Hands Copilot, v2 skin.
   Style: true-black-flat (taste-skill app sheet, seed 1600864001), warmed to the garage:
   an oil-dark ground, elevation by lightness alone, no borders or shadows at rest, one data hue
   (hi-vis lime) on the step strip, the spec figure and the done mark. Never on a button. */

:root {
  --ground: #0e0d0c;
  --surface: #181716;
  --raised: #2a2826;
  --control: #444444;
  --text: #ffffff;
  --muted: #b4b4b4;
  --faint: #949494;
  --accent: #c6f24e;
  --positive: #c6f24e;
  --negative: #e5484d;
  --pill-warning-bg: #2b2414;
  --pill-warning-ink: #e5a93b;
  --scrim: rgba(0, 0, 0, 0.6);
  --primary: #ffffff;
  --primary-ink: #000000;

  --font: "Inter", system-ui, -apple-system, "Segoe UI", sans-serif;
  --fs-title: 20px;
  --fs-title-lg: 28px;
  --fs-kpi: 24px;
  --fs-step: 32px;
  --fs-body: 16px;
  --fs-small: 14px;

  --radius-card: 20px;
  --radius-nested: 10px;
  --radius-control: 999px;
  --gap: 14px;
  --pad: 16px;
  --bar-height: 48px;
  --control-height: 72px; /* the sheet's 36px pill, enlarged for gloved thumbs; see notes */
  --strip-height: 12px;
  --tick-width: 3px;

  --ease-out: cubic-bezier(0.22, 1, 0.36, 1);
  --t-press: 120ms;
  --t-ui: 200ms;
  color-scheme: dark;
}

*, *::before, *::after { box-sizing: border-box; }

html, body {
  margin: 0;
  height: 100%;
  background: var(--ground);
  color: var(--text);
  font: 400 var(--fs-body) / 1.45 var(--font);
  -webkit-text-size-adjust: 100%;
  -webkit-font-smoothing: antialiased;
}

h1, h2, p, ul { margin: 0; }
ul { padding: 0; list-style: none; }
img, video, svg { display: block; max-width: 100%; }
button { font: inherit; color: inherit; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

[hidden] { display: none !important; }

/* ---------- frame ---------- */
.app {
  max-width: 520px;
  margin: 0 auto;
  min-height: 100dvh;
  display: flex;
  flex-direction: column;
}

.screen {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: var(--gap);
  padding: max(0px, env(safe-area-inset-top)) var(--pad) max(var(--pad), env(safe-area-inset-bottom));
}

.bar {
  min-height: var(--bar-height);
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
}

.wordmark { font-size: var(--fs-body); font-weight: 600; }
.bar-note { font-size: var(--fs-small); color: var(--muted); }

/* ---------- type roles ---------- */
.title {
  font-size: var(--fs-title);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

.title-lg { font-size: var(--fs-title-lg); letter-spacing: -0.02em; }

.sub { font-size: var(--fs-body); color: var(--muted); }
.note { font-size: var(--fs-small); color: var(--muted); }

.error {
  font-size: 18px;
  font-weight: 500;
  color: var(--negative);
}

/* ---------- surfaces ---------- */
.card {
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 16px 18px;
}

.card-raised { background: var(--raised); }

.card-title {
  font-size: var(--fs-body);
  font-weight: 600;
  margin-bottom: 10px;
}

.list { display: grid; gap: 8px; line-height: 1.4; }

.notice {
  background: var(--pill-warning-bg);
  color: var(--pill-warning-ink);
  border-radius: var(--radius-nested);
  padding: 12px 16px;
  font-weight: 500;
  line-height: 1.4;
}

/* ---------- capture ---------- */
.viewfinder {
  position: relative;
  flex: 1;
  min-height: 240px;
  max-height: 56vh;
  background: var(--surface);
  border-radius: var(--radius-card);
  overflow: hidden;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
}

.viewfinder video {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.viewfinder-placeholder { font-size: var(--fs-body); font-weight: 500; color: var(--faint); }

.overlay {
  position: absolute;
  inset: 0;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  background: var(--scrim);
  color: var(--text);
  font-size: var(--fs-title);
  font-weight: 600;
}

.ring {
  width: 40px;
  height: 40px;
  border: 3px solid var(--control);
  border-top-color: var(--text);
  border-radius: 50%;
  animation: spin 0.9s linear infinite;
}

@keyframes spin { to { transform: rotate(360deg); } }

/* ---------- identified ---------- */
.part-card { display: grid; gap: 6px; }

.part-photo {
  width: 100%;
  aspect-ratio: 4 / 3;
  object-fit: cover;
  border-radius: var(--radius-nested);
  margin-bottom: 8px;
}

.part-name {
  font-size: var(--fs-kpi);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
}

/* ---------- job ---------- */
/* The ratchet strip: the steps as one row of segments, lit as they are done.
   app.js sets the fill width; skin.js draws one tick per step boundary. */
.ratchet {
  position: relative;
  height: var(--strip-height);
  border-radius: calc(var(--strip-height) / 2);
  background: var(--raised);
  overflow: hidden;
}

.ratchet-fill {
  height: 100%;
  width: 0;
  background: var(--accent);
  transition: width var(--t-ui) var(--ease-out);
}

.ratchet-ticks { position: absolute; inset: 0; }

.ratchet-ticks .tick {
  position: absolute;
  top: 0;
  bottom: 0;
  width: var(--tick-width);
  margin-left: calc(var(--tick-width) / -2);
  background: var(--ground);
}

.step {
  font-size: var(--fs-step);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.02em;
  overflow-wrap: anywhere;
  margin-top: 4px;
}

.spec {
  background: var(--surface);
  border-radius: var(--radius-card);
  padding: 14px 18px;
  display: grid;
  gap: 2px;
}

.spec-value {
  font-size: var(--fs-kpi);
  font-weight: 600;
  line-height: 1.2;
  letter-spacing: -0.01em;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
}

.spec-note { font-size: var(--fs-small); color: var(--muted); }

.mic {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: var(--fs-small);
  color: var(--muted);
}

.mic::before {
  content: "";
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--accent);
  flex: none;
  animation: pulse 1.6s ease-in-out infinite;
}

.mic.is-offline {
  background: var(--pill-warning-bg);
  color: var(--pill-warning-ink);
  border-radius: var(--radius-nested);
  padding: 12px 16px;
  font-size: var(--fs-body);
  font-weight: 500;
}

.mic.is-offline::before { display: none; }

@keyframes pulse { 50% { opacity: 0.35; } }

/* ---------- done ---------- */
/* The one centred moment: the short summary sits mid-screen, the control stays at the thumb. */
.done { flex: 1; display: grid; gap: 10px; align-content: center; padding-bottom: 24px; }
.done-mark { color: var(--positive); margin-bottom: 6px; }
.done-job { font-size: var(--fs-title); font-weight: 500; line-height: 1.3; }

/* ---------- controls ---------- */
.actions {
  margin-top: auto;
  padding-top: 8px;
  display: grid;
  gap: 10px;
}

.actions-stack { grid-template-columns: 1fr; }
.actions-row { grid-template-columns: 1fr 1fr 1.6fr; }

.btn {
  min-height: var(--control-height);
  border: 0;
  border-radius: var(--radius-control);
  background: var(--raised);
  color: var(--text);
  font-size: 20px;
  font-weight: 600;
  line-height: 1.1;
  padding: 8px 20px;
  cursor: pointer;
  touch-action: manipulation;
  transition: transform var(--t-press) var(--ease-out), background-color var(--t-press) linear;
}

.actions-row .btn { padding: 8px 10px; font-size: 18px; }

.btn:active { transform: scale(0.97); }
.btn:disabled { background: var(--surface); color: var(--faint); cursor: default; }
.btn:disabled:active { transform: none; }

.btn-primary { background: var(--primary); color: var(--primary-ink); }
.btn-primary:disabled { background: var(--raised); color: var(--faint); }

@media (max-width: 360px) {
  .btn { font-size: 18px; }
  .actions-row .btn { font-size: 16px; }
}

/* On a phone the controls sit at the thumb, pinned to the foot of the screen. Wider than a phone
   there is no thumb to reach, so the screen takes its content's height and the controls follow. */
@media (min-width: 640px) {
  .app { min-height: 0; }
  .screen { flex: initial; }
  .viewfinder { flex: initial; height: 360px; }
  .actions { margin-top: 8px; }
}

@media (prefers-reduced-motion: reduce) {
  .ring { animation-duration: 3s; }
  .mic::before { animation: none; }
  .ratchet-fill, .btn { transition: none; }
}

/* ---------- substance panels (filled by skin.js from the saved plan) ---------- */
.reticle {
  position: absolute;
  inset: 14px;
  width: auto;
  height: auto;
  color: var(--control);
  pointer-events: none;
}

.viewfinder video:not([hidden]) ~ .reticle { color: var(--text); opacity: 0.8; }

.job-line {
  margin-top: 8px;
  font-size: var(--fs-body);
  font-weight: 500;
}

.steps { display: grid; gap: 2px; }

.step-row {
  display: grid;
  grid-template-columns: 16px 1fr;
  gap: 10px;
  align-items: start;
  padding: 6px 0;
  font-size: var(--fs-small);
  line-height: 1.4;
  color: var(--muted);
}

.step-row.is-current { color: var(--text); font-weight: 500; }

.step-mark {
  width: 16px;
  height: 16px;
  margin-top: 2px;
  border-radius: 50%;
  background: var(--raised);
}

.step-row.is-done .step-mark {
  background: var(--accent);
  -webkit-mask: var(--check) center / 12px no-repeat;
  mask: var(--check) center / 12px no-repeat;
}

.step-row.is-current .step-mark { background: var(--accent); }

:root {
  --check: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24'%3E%3Cpath d='M4 12.5l5 5L20 6.5' fill='none' stroke='black' stroke-width='3' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
}

.specs { display: grid; gap: 12px; }
.spec-row { display: grid; gap: 2px; }

.spec-row-value {
  font-size: 18px;
  font-weight: 600;
  color: var(--accent);
  font-variant-numeric: tabular-nums;
  line-height: 1.3;
}

.spec-row-step { font-size: var(--fs-small); color: var(--muted); line-height: 1.4; }

/* On a phone the controls stay at the thumb even when the content scrolls. */
@media (max-width: 639px) {
  .actions {
    position: sticky;
    bottom: 0;
    background: var(--ground);
    padding-bottom: max(var(--pad), env(safe-area-inset-bottom));
    margin-bottom: calc(-1 * max(var(--pad), env(safe-area-inset-bottom)));
  }
}