/* What Materials design system: premium workshop, dark + light. One accent, one radius scale. */

@font-face {
  font-family: 'Space Grotesk';
  src: url('https://cdn.jsdelivr.net/fontsource/fonts/space-grotesk:vf@latest/latin-wght-normal.woff2') format('woff2-variations');
  font-weight: 300 700;
  font-display: swap;
}
@font-face {
  font-family: 'Geist';
  src: url('https://cdn.jsdelivr.net/fontsource/fonts/geist:vf@latest/latin-wght-normal.woff2') format('woff2-variations');
  font-weight: 100 900;
  font-display: swap;
}

:root, :root[data-theme="dark"] {
  --bg: #0a0c0f;
  --bg-2: #0e1116;
  --card: rgba(255, 255, 255, 0.032);
  --card-2: rgba(255, 255, 255, 0.055);
  --line: rgba(255, 255, 255, 0.075);
  --line-2: rgba(255, 255, 255, 0.14);
  --ink: #f2f1ee;
  --ink-1: #f2f1ee;
  --ink-2: rgba(242, 241, 238, 0.62);
  --ink-3: rgba(242, 241, 238, 0.38);
  --accent: #1c9b6f;
  --accent-hi: #34c08d;
  --on-accent: #05130d;
  --warn: #f5a83f;
  --ok: #4cc38a;
  --err: #e5484d;
  --info: #8ab4ff;

  --appbar-bg: rgba(10, 12, 15, 0.72);
  --tabbar-bg: rgba(10, 12, 15, 0.82);
  --scrim: #0a0c0f;
  --track: rgba(255, 255, 255, 0.08);
  --pricing-bg: rgba(255, 255, 255, 0.04);
  --toast-bg: #1c2129;
  --toast-ink: #f2f1ee;
  --shadow: 0 1px 2px rgba(0, 0, 0, 0);      /* dark uses borders, not shadow */
  --shadow-lift: 0 8px 30px rgba(0, 0, 0, 0.5);
  --fab-shadow: 0 6px 20px rgba(28, 155, 111, 0.35);
  --glow-1: rgba(28, 155, 111, 0.08);
  --glow-2: rgba(28, 155, 111, 0.05);
  --accent-wash: rgba(28, 155, 111, 0.10);
  --accent-line: rgba(28, 155, 111, 0.35);

  --r-card: 14px;
  --r-ctl: 10px;
  --font-d: 'Space Grotesk', system-ui, sans-serif;
  --font-b: 'Geist', system-ui, sans-serif;
  --tabbar-h: 66px;
}

:root[data-theme="light"] {
  --bg: #f7f6f2;
  --bg-2: #efece5;
  --card: #ffffff;
  --card-2: #f4f1ea;
  --line: rgba(28, 22, 14, 0.10);
  --line-2: rgba(28, 22, 14, 0.17);
  --ink: #1b1710;
  --ink-1: #1b1710;
  --ink-2: rgba(27, 23, 16, 0.64);
  --ink-3: rgba(27, 23, 16, 0.42);
  --accent: #1c7d5f;
  --accent-hi: #0f6349;      /* darker for AA text on light */
  --on-accent: #f2fbf7;
  --warn: #a8590a;
  --ok: #1f9d63;
  --err: #cc2f34;
  --info: #2f6bd6;

  --appbar-bg: rgba(247, 246, 242, 0.82);
  --tabbar-bg: rgba(247, 246, 242, 0.88);
  --scrim: #f7f6f2;
  --track: rgba(28, 22, 14, 0.10);
  --pricing-bg: rgba(28, 125, 95, 0.07);
  --toast-bg: #26221b;
  --toast-ink: #f7f6f2;
  --shadow: 0 1px 2px rgba(60, 48, 30, 0.10), 0 2px 8px rgba(60, 48, 30, 0.05);
  --shadow-lift: 0 10px 30px rgba(60, 48, 30, 0.16);
  --fab-shadow: 0 6px 18px rgba(28, 125, 95, 0.32);
  --glow-1: rgba(28, 125, 95, 0.07);
  --glow-2: rgba(28, 125, 95, 0.04);
  --accent-wash: rgba(28, 125, 95, 0.10);
  --accent-line: rgba(28, 125, 95, 0.30);
}

* { box-sizing: border-box; -webkit-tap-highlight-color: transparent; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--ink);
  font-family: var(--font-b);
  font-size: 16px;
  line-height: 1.5;
  min-height: 100dvh;
  -webkit-font-smoothing: antialiased;
  transition: background-color 0.3s ease, color 0.3s ease;
}
body::before {
  content: '';
  position: fixed;
  inset: 0;
  background:
    radial-gradient(120% 60% at 50% -10%, var(--glow-1), transparent 60%),
    radial-gradient(80% 50% at 100% 100%, var(--glow-2), transparent 55%);
  pointer-events: none;
  z-index: 0;
}

/* keyboard focus ring — accessibility polish */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }
:focus:not(:focus-visible) { outline: none; }

h1, h2, h3 { font-family: var(--font-d); letter-spacing: -0.015em; margin: 0; }
h2 { font-size: 1.6rem; font-weight: 700; }
h3 { font-size: 1.05rem; font-weight: 600; }
.muted { color: var(--ink-2); }
.small { font-size: 0.82rem; }
.centre { text-align: center; }
.mono { font-variant-numeric: tabular-nums; }
.hidden { display: none !important; }

/* ---------- app bar ---------- */
.appbar {
  position: sticky;
  top: 0;
  z-index: 20;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: calc(env(safe-area-inset-top, 0px) + 12px) 16px 12px;
  background: var(--appbar-bg);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--line);
}
.appbar-actions { display: flex; align-items: center; gap: 6px; }
.brand { display: flex; align-items: center; gap: 10px; text-decoration: none; color: var(--ink); }
.brand .word { font-family: var(--font-d); font-weight: 700; font-size: 1.15rem; letter-spacing: -0.01em; }
/* blade mark — inline SVG sprite, matches the app icon */
.mark { display: inline-block; width: 30px; height: 30px; flex-shrink: 0; }
.mark svg, svg.mark { display: block; width: 100%; height: 100%; }
.blade-spin { animation: bladespin 22s linear infinite; transform-origin: 50% 50%; }
@keyframes bladespin { to { transform: rotate(360deg); } }

/* icon button (theme toggle etc.) */
.icon-btn {
  display: inline-flex; align-items: center; justify-content: center;
  width: 38px; height: 38px;
  border-radius: 10px;
  border: 1px solid var(--line);
  background: var(--card);
  color: var(--ink-2);
  cursor: pointer;
  transition: color 0.15s ease, border-color 0.15s ease, background 0.15s ease, transform 0.15s ease;
}
.icon-btn:hover { color: var(--accent-hi); border-color: var(--line-2); }
.icon-btn:active { transform: scale(0.92); }
.icon-btn i { font-size: 1.25rem; }

/* ---------- buttons ---------- */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  border: 1px solid var(--line-2);
  background: var(--card-2);
  color: var(--ink);
  border-radius: var(--r-ctl);
  padding: 10px 16px;
  font-family: var(--font-b);
  font-weight: 500;
  font-size: 0.95rem;
  text-decoration: none;
  cursor: pointer;
  transition: transform 0.15s ease, background 0.15s ease, border-color 0.15s ease;
}
.btn:active { transform: scale(0.97); }
.btn.primary {
  background: linear-gradient(145deg, var(--accent-hi), var(--accent));
  border-color: transparent;
  color: var(--on-accent);
  font-weight: 600;
}
.btn.ghost { background: transparent; }
.btn.big { padding: 15px 22px; font-size: 1.05rem; border-radius: 12px; }
.btn.small { padding: 7px 12px; font-size: 0.85rem; }
.btn.block { width: 100%; }
.btn:disabled { opacity: 0.45; cursor: not-allowed; transform: none; }

/* ---------- layout ---------- */
main {
  position: relative;
  z-index: 1;
  max-width: 720px;
  margin: 0 auto;
  padding: 18px 16px calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px) + 24px);
}
.view-head { display: flex; align-items: baseline; justify-content: space-between; gap: 12px; margin: 6px 0 16px; }

/* ---------- empty state / hero ---------- */
.empty { padding: 8vh 4px 4vh; display: flex; flex-direction: column; align-items: flex-start; gap: 18px; }
.hero-line {
  font-size: clamp(2.6rem, 11vw, 4.2rem);
  font-weight: 700;
  line-height: 0.98;
  letter-spacing: -0.03em;
}
.hero-line::after { content: ''; display: block; width: 64px; height: 5px; border-radius: 3px; background: var(--accent); margin-top: 18px; }
.empty .muted { max-width: 46ch; }

/* ---------- hint card ---------- */
.hint-card {
  display: flex; gap: 12px; align-items: flex-start;
  border: 1px solid var(--accent-line);
  background: var(--accent-wash);
  border-radius: var(--r-card);
  padding: 14px;
  margin-bottom: 16px;
}
.hint-card > i { font-size: 1.4rem; color: var(--accent); }
.hint-card p { margin: 4px 0 0; font-size: 0.85rem; color: var(--ink-2); }

/* ---------- job cards ---------- */
.jobs-list { display: flex; flex-direction: column; gap: 12px; }
.job-card {
  display: block;
  text-decoration: none;
  color: var(--ink);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 14px 16px;
  box-shadow: var(--shadow);
  transition: border-color 0.15s ease, background 0.15s ease, transform 0.15s ease, box-shadow 0.15s ease;
}
.job-card:hover { border-color: var(--line-2); box-shadow: var(--shadow-lift); transform: translateY(-1px); }
.job-card:active { background: var(--card-2); transform: translateY(0); }
.job-card .top { display: flex; justify-content: space-between; align-items: flex-start; gap: 10px; }
.job-card .title { font-weight: 600; font-family: var(--font-d); font-size: 1.02rem; }
.job-card .meta { color: var(--ink-3); font-size: 0.8rem; margin-top: 2px; }
.job-card .snippet { color: var(--ink-2); font-size: 0.88rem; margin-top: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.job-card .stats { display: flex; gap: 14px; margin-top: 10px; color: var(--ink-2); font-size: 0.82rem; align-items: center; }
.job-card .stats i { margin-right: 4px; }

.chip {
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  text-transform: uppercase;
  padding: 4px 9px;
  border-radius: 999px;
  border: 1px solid var(--line-2);
  color: var(--ink-2);
  white-space: nowrap;
}
.chip.running { color: var(--accent-hi); border-color: var(--accent-line); animation: pulse 1.6s ease-in-out infinite; }
.chip.done { color: var(--ok); border-color: rgba(76, 195, 138, 0.4); }
.chip.failed { color: var(--err); border-color: rgba(229, 72, 77, 0.4); }
.chip.queued { color: var(--ink-2); }
@keyframes pulse { 0%, 100% { opacity: 1; } 50% { opacity: 0.55; } }

.mini-bar { height: 4px; border-radius: 2px; background: var(--track); margin-top: 12px; overflow: hidden; }
.mini-bar > div { height: 100%; background: var(--accent); border-radius: 2px; transition: width 0.5s ease; }

/* ---------- capture ---------- */
.capture-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; margin-bottom: 10px; }
.capture-btn {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 10px;
  aspect-ratio: 16 / 10;
  background: var(--card);
  border: 1.5px dashed var(--line-2);
  border-radius: var(--r-card);
  color: var(--ink);
  font-family: var(--font-b);
  font-size: 0.95rem;
  font-weight: 500;
  cursor: pointer;
  transition: border-color 0.15s ease, background 0.15s ease;
}
.capture-btn i { font-size: 1.8rem; color: var(--accent); }
.capture-btn:active { background: var(--card-2); border-color: var(--accent); }

.photo-strip { display: flex; gap: 10px; overflow-x: auto; padding: 6px 2px 10px; scrollbar-width: none; }
.photo-strip::-webkit-scrollbar { display: none; }
.photo-thumb {
  position: relative;
  flex: 0 0 auto;
  width: 84px; height: 84px;
  border-radius: 10px;
  overflow: hidden;
  border: 1px solid var(--line-2);
  background: var(--bg-2) center/cover;
}
.photo-thumb button {
  position: absolute; top: 4px; right: 4px;
  width: 24px; height: 24px;
  border-radius: 50%;
  border: none;
  background: rgba(0, 0, 0, 0.7);
  color: #fff;
  font-size: 0.9rem;
  cursor: pointer;
  display: flex; align-items: center; justify-content: center;
}
.photo-thumb.processing::after {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(100deg, transparent 30%, rgba(255,255,255,0.12) 50%, transparent 70%);
  animation: shimmer 1.2s infinite;
}
@keyframes shimmer { from { transform: translateX(-100%); } to { transform: translateX(100%); } }

/* ---------- forms ---------- */
.field { display: block; margin: 14px 0; }
.field > span { display: block; font-size: 0.85rem; font-weight: 500; color: var(--ink-2); margin-bottom: 7px; }
.field input, .field textarea {
  width: 100%;
  background: var(--card);
  border: 1px solid var(--line-2);
  border-radius: var(--r-ctl);
  color: var(--ink);
  font-family: var(--font-b);
  font-size: 1rem;
  padding: 12px 14px;
  resize: vertical;
}
.field input:focus, .field textarea:focus { outline: none; border-color: var(--accent); }
.form-err, .pin-err { color: var(--err); font-size: 0.85rem; min-height: 1.2em; }

/* ---------- job detail ---------- */
.back-link { display: inline-flex; align-items: center; gap: 6px; color: var(--ink-2); text-decoration: none; font-size: 0.9rem; margin-bottom: 10px; }
.progress-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 16px;
  margin-bottom: 18px;
  box-shadow: var(--shadow);
}
.progress-top { display: flex; justify-content: space-between; align-items: baseline; margin-bottom: 10px; font-weight: 500; }
.bar { height: 6px; border-radius: 3px; background: var(--track); overflow: hidden; }
.bar-fill { height: 100%; width: 0%; border-radius: 3px; background: linear-gradient(90deg, var(--accent), var(--accent-hi)); transition: width 0.6s ease; }
.stages { list-style: none; margin: 14px 0 0; padding: 0; display: flex; flex-direction: column; gap: 9px; }
.stages li { display: flex; align-items: center; gap: 10px; color: var(--ink-3); font-size: 0.88rem; transition: color 0.2s ease; }
.stages li i { font-size: 1.05rem; }
.stages li.active { color: var(--accent-hi); }
.stages li.done { color: var(--ink-2); }
.stages li.done i { color: var(--ok); }
#notifyBtn { margin-top: 14px; }

.panel {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--r-card);
  padding: 14px 16px;
  margin-bottom: 14px;
  box-shadow: var(--shadow);
}
.panel.error { border-color: rgba(229, 72, 77, 0.4); background: rgba(229, 72, 77, 0.07); }
.panel.error p { color: var(--ink-2); font-size: 0.9rem; }

.sect { margin: 22px 0 10px; color: var(--ink-2); font-size: 0.92rem; text-transform: none; }

.vision-item { border: 1px solid var(--line); border-radius: var(--r-card); margin-bottom: 10px; overflow: hidden; }
.vision-item summary { padding: 12px 14px; cursor: pointer; display: flex; align-items: center; gap: 10px; font-size: 0.9rem; list-style: none; }
.vision-item summary::-webkit-details-marker { display: none; }
.vision-item summary i { color: var(--accent); }
.vision-item .body { padding: 0 14px 14px; color: var(--ink-2); font-size: 0.85rem; white-space: pre-wrap; }
.vision-item .tag { margin-left: auto; font-size: 0.72rem; color: var(--ink-3); text-transform: uppercase; letter-spacing: 0.05em; }

/* ---------- BOM ---------- */
.bom-hero {
  display: flex; align-items: center; gap: 16px;
  background: linear-gradient(145deg, var(--accent-hi), var(--accent));
  color: var(--on-accent);
  border-radius: var(--r-card);
  padding: 18px 20px;
  margin-bottom: 14px;
}
.bom-hero-num { font-family: var(--font-d); font-weight: 700; font-size: 3rem; line-height: 1; letter-spacing: -0.03em; }
.bom-hero-meta { display: flex; flex-direction: column; gap: 6px; font-weight: 500; }
.waste-badge {
  align-self: flex-start;
  background: rgba(0, 0, 0, 0.22);
  border-radius: 999px;
  padding: 3px 10px;
  font-size: 0.75rem;
  font-weight: 600;
}
.flag { display: flex; gap: 10px; border-radius: var(--r-card); padding: 12px 14px; margin-bottom: 10px; font-size: 0.88rem; border: 1px solid; }
.flag i { font-size: 1.15rem; flex-shrink: 0; margin-top: 1px; }
.flag ul { margin: 4px 0 0; padding-left: 18px; }
.flag.warn { border-color: rgba(245, 168, 63, 0.4); background: rgba(245, 168, 63, 0.09); }
.flag.warn i { color: var(--warn); }
.flag.info { border-color: rgba(120, 170, 255, 0.35); background: rgba(120, 170, 255, 0.07); }
.flag.info i { color: #8ab4ff; }
.flag.miss { border-color: var(--line-2); background: var(--card); }
.flag.miss i { color: var(--ink-2); }

.cat-head {
  display: flex; align-items: center; gap: 10px;
  margin: 22px 0 8px;
  font-family: var(--font-d);
  font-weight: 600;
  font-size: 0.98rem;
}
.cat-head::after { content: ''; flex: 1; height: 1px; background: var(--line); }
.cat-count { color: var(--ink-3); font-size: 0.8rem; font-family: var(--font-b); font-weight: 400; }

.bom-item {
  display: flex; justify-content: space-between; gap: 14px;
  padding: 13px 2px;
  border-bottom: 1px solid var(--line);
}
.bom-item:last-child { border-bottom: none; }
.bom-item .what { min-width: 0; }
.bom-item .name { font-weight: 600; font-size: 0.95rem; }
.bom-item .spec { color: var(--ink-2); font-size: 0.84rem; margin-top: 2px; }
.bom-item .notes { color: var(--ink-3); font-size: 0.78rem; margin-top: 4px; }
.bom-item .refs { display: flex; flex-wrap: wrap; gap: 6px; margin-top: 7px; }
.ref-chip {
  font-size: 0.7rem;
  color: var(--accent-hi);
  border: 1px solid var(--accent-line);
  border-radius: 999px;
  padding: 2px 8px;
}
.buy { text-align: right; flex-shrink: 0; }
.buy .qty { font-family: var(--font-d); font-weight: 700; font-size: 1.3rem; letter-spacing: -0.01em; }
.buy .unit { color: var(--ink-2); font-size: 0.78rem; }
.buy .net { color: var(--ink-3); font-size: 0.74rem; margin-top: 3px; }
.buy .pack { color: var(--accent-hi); font-size: 0.74rem; margin-top: 3px; max-width: 130px; }

/* per-line pricing (injected after render) */
.buy .line-price { margin-top: 6px; display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.buy .line-cost { font-family: var(--font-d); font-weight: 700; color: var(--accent-hi); font-size: 0.95rem; }
.buy .match-name { color: var(--ink-3); font-size: 0.68rem; text-decoration: none; max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.buy .match-name:hover { color: var(--ink-1); text-decoration: underline; }
.buy .weak-match { color: var(--warn); margin-left: 2px; }
.buy .buy-qty { color: var(--accent-hi); font-size: 0.72rem; font-weight: 600; }
.buy .verify-note { color: var(--warn); font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.04em; }

/* pricing banner between BOM and buttons */
.bom-pricing { margin: 16px 0 0; padding: 14px 16px; border: 1px solid var(--line-2); border-radius: 12px; background: var(--pricing-bg); display: flex; flex-wrap: wrap; align-items: baseline; gap: 8px 14px; box-shadow: var(--shadow); }
.bom-pricing:empty { display: none; }
.bom-pricing .price-loading, .bom-pricing .price-na { color: var(--ink-3); font-size: 0.82rem; }
.bom-pricing .price-total { font-family: var(--font-d); font-weight: 700; font-size: 1.4rem; color: var(--accent-hi); }
.bom-pricing .price-total .inc { font-size: 0.7rem; font-weight: 400; color: var(--ink-2); }
.bom-pricing .price-coverage { font-size: 0.8rem; color: var(--ink-2); }
.bom-pricing .price-disclaim { font-size: 0.72rem; color: var(--ink-3); margin-left: auto; }

.share-row { display: flex; gap: 10px; margin: 22px 0 12px; }
.share-row .btn { flex: 1; }

/* ---------- structural panel ---------- */
.struct-panel { border-color: var(--accent-line); }
.struct-title { display: flex; align-items: center; gap: 9px; font-family: var(--font-d); font-weight: 600; margin-bottom: 12px; }
.struct-title i { color: var(--accent); font-size: 1.2rem; }
.struct-tag { font-size: 0.7rem; font-weight: 600; text-transform: uppercase; letter-spacing: 0.05em; color: var(--accent-hi); border: 1px solid var(--accent-line); border-radius: 999px; padding: 2px 8px; }
.struct-line { margin-bottom: 12px; }
.struct-main { font-size: 0.98rem; }
.struct-sub { color: var(--ink-2); font-size: 0.8rem; margin-top: 3px; font-variant-numeric: tabular-nums; }
.warn-text { color: var(--accent-hi); }
.struct-disclaimer { color: var(--ink-3); font-size: 0.75rem; margin-top: 4px; }

/* ---------- chat refinement ---------- */
.chat-block { margin-top: 26px; border-top: 1px solid var(--line); padding-top: 18px; }
.chat-head { display: flex; gap: 11px; align-items: flex-start; margin-bottom: 14px; }
.chat-head > i { font-size: 1.4rem; color: var(--accent); margin-top: 2px; }
.chat-head strong { font-family: var(--font-d); }
.chat-head p { margin: 3px 0 0; }
.chat-log { display: flex; flex-direction: column; gap: 8px; margin-bottom: 12px; }
.chat-msg { max-width: 88%; padding: 9px 13px; border-radius: 14px; font-size: 0.9rem; line-height: 1.4; word-wrap: break-word; }
.chat-msg.user { align-self: flex-end; background: var(--accent); color: var(--on-accent); border-bottom-right-radius: 4px; }
.chat-msg.bot { align-self: flex-start; background: var(--card-2); border: 1px solid var(--line); border-bottom-left-radius: 4px; }
.chat-msg.thinking { opacity: 0.6; font-style: italic; }
.chat-applied { display: flex; flex-wrap: wrap; gap: 5px; margin-top: 7px; }
.chat-applied span { font-size: 0.72rem; background: var(--accent-wash); color: var(--accent-hi); border-radius: 999px; padding: 2px 8px; }
.chat-input-row { display: flex; gap: 8px; }
.chat-input-row input {
  flex: 1; background: var(--card); border: 1px solid var(--line-2); border-radius: 999px;
  color: var(--ink); font-family: var(--font-b); font-size: 0.95rem; padding: 11px 16px;
}
.chat-input-row input:focus { outline: none; border-color: var(--accent); }
.chat-input-row .btn { border-radius: 50%; width: 44px; height: 44px; padding: 0; flex-shrink: 0; }
.bom-item.changed { background: var(--accent-wash); border-radius: 8px; margin: 0 -8px; padding-left: 8px; padding-right: 8px; }
.changed-dot { color: var(--accent-hi); font-size: 1.3rem; line-height: 0; vertical-align: middle; }

/* ---------- settings ---------- */
.setting-row { display: flex; justify-content: space-between; align-items: center; gap: 12px; }
.setting-row p { margin: 2px 0 0; }

/* ---------- tab bar ---------- */
.tabbar {
  position: fixed;
  left: 0; right: 0; bottom: 0;
  z-index: 30;
  height: calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px));
  padding-bottom: env(safe-area-inset-bottom, 0px);
  display: flex;
  align-items: stretch;
  justify-content: space-around;
  background: var(--tabbar-bg);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-top: 1px solid var(--line);
}
.tabbar a {
  flex: 1;
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  color: var(--ink-3);
  text-decoration: none;
  font-size: 0.7rem;
  font-weight: 500;
}
.tabbar a i { font-size: 1.35rem; }
.tabbar a.active { color: var(--accent-hi); }
.tabbar a.fab { position: relative; }
.tabbar a.fab i {
  width: 52px; height: 52px;
  border-radius: 50%;
  background: linear-gradient(145deg, var(--accent-hi), var(--accent));
  color: var(--on-accent);
  display: flex; align-items: center; justify-content: center;
  font-size: 1.6rem;
  margin-top: -22px;
  box-shadow: var(--fab-shadow);
}

/* ---------- pin gate ---------- */
.pin-gate {
  position: fixed; inset: 0; z-index: 100;
  background: var(--scrim);
  display: flex; align-items: center; justify-content: center;
  padding: 24px;
}
.pin-card { width: 100%; max-width: 320px; text-align: center; display: flex; flex-direction: column; gap: 14px; align-items: center; }
.pin-card .mark { width: 56px; height: 56px; }
.mark-lg { width: 56px; height: 56px; }
.pin-card input {
  width: 100%;
  text-align: center;
  font-size: 1.6rem;
  letter-spacing: 0.5em;
  padding: 12px;
  background: var(--card);
  border: 1px solid var(--line-2);
  border-radius: var(--r-ctl);
  color: var(--ink);
  font-family: var(--font-d);
}
.pin-card input:focus { outline: none; border-color: var(--accent); }
.pin-card input[type="email"] { text-align: left; letter-spacing: 0; font-size: 1rem; }
.pin-card .btn.block { width: 100%; }
.login-sent { color: var(--ink-2); font-size: 0.92rem; line-height: 1.45; margin: 0; }
.login-sent i { color: var(--accent-hi); margin-right: 4px; }
.login-admin { margin: 4px 0 0; }
.linkish { background: none; border: 0; color: var(--ink-3); text-decoration: underline; cursor: pointer; font: inherit; padding: 0; }
.linkish:hover { color: var(--ink-1); }
.pin-err a { color: var(--accent-hi); }

/* ---------- toast ---------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(var(--tabbar-h) + env(safe-area-inset-bottom, 0px) + 16px);
  transform: translateX(-50%);
  z-index: 60;
  background: var(--toast-bg);
  border: 1px solid var(--line-2);
  color: var(--toast-ink);
  border-radius: 999px;
  padding: 10px 18px;
  font-size: 0.88rem;
  box-shadow: var(--shadow-lift);
  max-width: 90vw;
  text-align: center;
}

/* ---------- reveal ---------- */
.rise { opacity: 0; transform: translateY(14px); transition: opacity 0.5s ease, transform 0.5s ease; }
.rise.in { opacity: 1; transform: none; }
.no-js .rise { opacity: 1; transform: none; }

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after { animation-duration: 0.01ms !important; transition-duration: 0.01ms !important; }
  .rise { opacity: 1; transform: none; }
  html { scroll-behavior: auto; }
}

@media (min-width: 720px) {
  .capture-grid { grid-template-columns: 1fr 1fr; }
  .tabbar { max-width: 720px; left: 50%; transform: translateX(-50%); border-left: 1px solid var(--line); border-right: 1px solid var(--line); }
}

/* ---------- theme segment control (settings) ---------- */
.seg {
  display: inline-flex;
  background: var(--card-2);
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 3px;
  gap: 2px;
}
.seg button {
  display: inline-flex; align-items: center; gap: 6px;
  border: none; background: transparent;
  color: var(--ink-2);
  font-family: var(--font-b); font-size: 0.82rem; font-weight: 500;
  padding: 7px 13px; border-radius: 999px; cursor: pointer;
  transition: color 0.15s ease, background 0.15s ease;
}
.seg button i { font-size: 1rem; }
.seg button.active {
  background: var(--accent);
  color: var(--on-accent);
  font-weight: 600;
}
.seg button:not(.active):hover { color: var(--ink); }

/* light-mode: capture buttons + dashed borders read better a touch stronger */
:root[data-theme="light"] .capture-btn { background: var(--card); }
:root[data-theme="light"] .bom-hero-num,
:root[data-theme="light"] .buy .qty { text-shadow: none; }
/* keep the BOM hero legible: it sits on the accent gradient in both themes */
.bom-hero { box-shadow: var(--shadow); }
/* photo thumb bg adapts */
.photo-thumb { background: var(--bg-2) center/cover; }

/* theme icon crossfade */
.icon-btn .ph-sun, .icon-btn .ph-moon-stars { transition: opacity 0.2s ease; }