:root {
  color-scheme: light;
  --bg: #f7f7fb;
  --text: #18231f;
  --muted: #65736d;
  --line: #dce4df;
  --brand: #1f7a5f;
  --brand-dark: #155b47;
  --warn: #a34d1f;
  --danger: #a12727;
  --panel: #ffffff;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, sans-serif;
  background: var(--bg);
  color: var(--text);
}
button, input, select {
  font: inherit;
}
button {
  border: 0;
  border-radius: 8px;
  min-height: 44px;
  padding: 10px 14px;
  font-weight: 700;
}
input, select {
  width: 100%;
  min-height: 46px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px 12px;
  background: #fff;
}
h1, h2 { margin: 0 0 12px; letter-spacing: 0; }
p { margin: 0 0 12px; color: var(--muted); }
.topbar {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 12px 14px;
  background: rgba(247, 247, 251, .96);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}
.topbar strong { display: block; }
.topbar span { display: block; font-size: 12px; color: var(--muted); }
main {
  padding: 14px 14px 96px;
  max-width: 720px;
  margin: 0 auto;
}
.view, #pinView { display: none; }
.view.active, #pinView.active { display: block; }
.panel, .hero, .item, .totals, form.stack {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 14px;
}
.hero {
  background: linear-gradient(120deg, #eef8f2, #fff);
  margin-bottom: 14px;
}
.quick-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}
.quick {
  min-height: 82px;
  text-align: left;
  background: #fff;
  border: 1px solid var(--line);
  color: var(--text);
}
.tabs {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  z-index: 5;
  display: grid;
  grid-template-columns: repeat(7, 1fr);
  gap: 2px;
  padding: 8px max(8px, env(safe-area-inset-left)) max(8px, env(safe-area-inset-bottom)) max(8px, env(safe-area-inset-right));
  background: rgba(255,255,255,.98);
  border-top: 1px solid var(--line);
}
.tabs button {
  min-height: 42px;
  padding: 7px 2px;
  font-size: 11px;
  background: transparent;
  color: var(--muted);
}
.tabs button.selected {
  background: #e6f3ed;
  color: var(--brand-dark);
}
.primary { background: var(--brand); color: #fff; }
.secondary { background: #e8eeeb; color: var(--text); }
.danger { background: #fde8e8; color: var(--danger); }
.icon-btn { background: #e8eeeb; color: var(--text); min-height: 36px; }
.stack { display: grid; gap: 10px; }
.list { display: grid; gap: 10px; margin-top: 12px; }
.item {
  display: grid;
  gap: 10px;
}
.item strong { display: block; }
.meta, .hint {
  color: var(--muted);
  font-size: 13px;
  line-height: 1.35;
}
.calc {
  display: grid;
  grid-template-columns: minmax(76px, 1fr) minmax(116px, 1fr) auto;
  gap: 8px;
  align-items: center;
}
.add { background: #e6f3ed; color: var(--brand-dark); }
.totals {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin: 12px 0;
}
.totals span { display: block; color: var(--muted); font-size: 13px; }
.totals strong { display: block; font-size: 28px; }
label {
  display: grid;
  gap: 6px;
  margin: 0 0 12px;
  color: var(--muted);
}
label.row {
  display: flex;
  align-items: center;
  color: var(--text);
}
label.row input { width: auto; min-height: auto; }
.warning {
  border-left: 4px solid var(--warn);
}
.segmented {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6px;
  margin: 10px 0;
  background: #e8eeeb;
  padding: 4px;
  border-radius: 8px;
}
.segmented button {
  background: transparent;
  color: var(--muted);
}
.segmented button.selected {
  background: #fff;
  color: var(--brand-dark);
}
.mini-actions {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 6px;
}
.mini-actions button {
  min-height: 36px;
  padding: 6px;
  font-size: 12px;
  background: #eef4f1;
  color: var(--brand-dark);
}
.photo-slot {
  display: grid;
  grid-template-columns: 64px 1fr;
  gap: 10px;
  align-items: center;
}
.photo-slot img {
  width: 64px;
  height: 64px;
  object-fit: cover;
  border-radius: 8px;
  border: 1px solid var(--line);
}
.choice-list {
  display: grid;
  gap: 6px;
}
.choice-list button.selected {
  background: var(--brand);
  color: #fff;
}
.calc-preview {
  background: #f7faf8;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 10px;
}
@media (min-width: 680px) {
  .tabs {
    left: 50%;
    transform: translateX(-50%);
    max-width: 720px;
    border: 1px solid var(--line);
    border-radius: 8px 8px 0 0;
  }
}