:root {
  color-scheme: light;
  --bg: #f6f5f2;
  --surface: #ffffff;
  --border: #e6e1d6;
  --border-strong: #d8d0c2;
  --text: #2b2620;
  --muted: #7a7266;
  --muted-soft: #a89f90;
  --accent: #b5652b;
  --accent-dark: #8f4d1f;
  --accent-soft: #f4e4d5;
  --danger: #a3372f;
  --danger-dark: #7d2a24;
  --danger-soft: #f3d9d5;
  --success-bg: #eef4e6;
  --success-text: #3d5c26;
  --error-bg: #f7e6e3;
  --error-text: #7d2a24;
  --info-bg: #eef1f4;
  --info-text: #3a4a5a;
  --radius-sm: 7px;
  --radius-md: 11px;
  --radius-lg: 16px;
  --shadow-sm: 0 1px 2px rgba(43, 38, 32, 0.05);
  --shadow-md: 0 10px 24px -8px rgba(43, 38, 32, 0.16);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
}

* { box-sizing: border-box; }

/* Defensive: several elements below (buttons, the scanner overlay) set
   their own `display`, which would otherwise fight the native [hidden]
   behavior. This keeps hidden always mean hidden. */
[hidden] { display: none !important; }

html { scroll-behavior: smooth; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
}

a { color: var(--accent-dark); text-decoration: none; }
a:hover { text-decoration: underline; }

.icon {
  flex: 0 0 auto;
  vertical-align: -0.15em;
}

code {
  background: #eee7da;
  padding: 0.15em 0.45em;
  border-radius: 5px;
  font-size: 0.85em;
}

:focus-visible {
  outline: 2px solid var(--accent-dark);
  outline-offset: 2px;
  border-radius: 4px;
}

/* ---------------------------------------------------------------- topbar */

.topbar {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 0.85rem 1.5rem;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(6px);
  border-bottom: 1px solid var(--border);
  flex-wrap: wrap;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  font-weight: 700;
  font-size: 1.15rem;
  color: var(--text);
}
.brand:hover { text-decoration: none; color: var(--accent-dark); }
.brand-mark { font-size: 1.25rem; line-height: 1; }

.search-form {
  display: flex;
  gap: 0.5rem;
  flex: 1;
  max-width: 420px;
}

.search-wrap {
  position: relative;
  flex: 1;
  display: flex;
}

.search-wrap .icon {
  position: absolute;
  left: 0.65rem;
  top: 50%;
  transform: translateY(-50%);
  color: var(--muted-soft);
  pointer-events: none;
}

.search-form input[type="search"] {
  flex: 1;
  padding-left: 2.1rem;
}

.search-form button {
  flex: 0 0 auto;
}

.topbar-link {
  flex: 0 0 auto;
}

.topbar .btn-label {
  display: none;
}

@media (min-width: 640px) {
  .topbar .btn-label { display: inline; }
}

/* ------------------------------------------------------------------ main */

main {
  max-width: 860px;
  margin: 0 auto;
  padding: 1.75rem 1.5rem 3rem;
}

footer {
  text-align: center;
  color: var(--muted-soft);
  padding: 2rem 1rem 3rem;
  font-size: 0.85rem;
}

h1 {
  margin: 0 0 0.3rem;
  font-size: 1.6rem;
  letter-spacing: -0.01em;
}

.page-subtitle {
  color: var(--muted);
  margin: 0 0 1.5rem;
  font-size: 0.95rem;
}

h2 {
  display: flex;
  align-items: center;
  gap: 0.65rem;
  margin: 2.25rem 0 0.9rem;
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.06em;
}
h2::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

/* ------------------------------------------------------------ breadcrumbs */

.breadcrumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 0.3rem;
  margin-bottom: 1.25rem;
  color: var(--muted);
  font-size: 0.88rem;
}
.breadcrumbs a { color: var(--muted); }
.breadcrumbs a:hover { color: var(--accent-dark); }
.breadcrumbs .icon { color: var(--muted-soft); }
.breadcrumbs span { color: var(--text); font-weight: 600; }

/* ----------------------------------------------------------------- flash */

.flash {
  display: flex;
  align-items: flex-start;
  gap: 0.55rem;
  padding: 0.65rem 0.9rem;
  border-radius: var(--radius-sm);
  border-left: 3px solid transparent;
  margin-bottom: 1.25rem;
  font-size: 0.92rem;
}
.flash .icon { margin-top: 0.15rem; }
.flash-success { background: var(--success-bg); color: var(--success-text); border-left-color: var(--success-text); }
.flash-error { background: var(--error-bg); color: var(--error-text); border-left-color: var(--error-text); }
.flash-info { background: var(--info-bg); color: var(--info-text); border-left-color: var(--info-text); }

/* ----------------------------------------------------------------- empty */

.empty-state {
  display: flex;
  flex-direction: column;
  align-items: center;
  text-align: center;
  gap: 0.5rem;
  color: var(--muted);
  padding: 2.5rem 1.5rem;
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
}
.empty-state .icon { color: var(--muted-soft); }
.empty-state p { margin: 0; }
.empty-state .empty-hint { font-size: 0.85rem; color: var(--muted-soft); }

.meta {
  color: var(--muted);
  font-size: 0.85rem;
}

/* ------------------------------------------------------------- card grid */

.card-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
  gap: 0.75rem;
  align-items: start;
}

.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  padding: 0.95rem 1rem;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.15s ease, border-color 0.15s ease, transform 0.15s ease;
}
.card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}

.card-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 0.5rem;
}

.card-body {
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
  min-width: 0;
}

.card-title {
  font-weight: 600;
  font-size: 1.02rem;
  color: var(--text);
}
.card-title:hover { color: var(--accent-dark); text-decoration: none; }

.card .meta code {
  display: inline-block;
  max-width: 100%;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  vertical-align: bottom;
  background: transparent;
  padding: 0;
  color: var(--muted-soft);
}

/* card overflow menu — pure CSS <details>/<summary>, no JS required */

.card-menu {
  flex: 0 0 auto;
}
.card-menu > summary {
  list-style: none;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 2rem;
  height: 2rem;
  border-radius: 999px;
  color: var(--muted);
  cursor: pointer;
  transition: background 0.15s ease, color 0.15s ease;
}
.card-menu > summary::-webkit-details-marker { display: none; }
.card-menu > summary:hover { background: var(--bg); color: var(--text); }
.card-menu[open] > summary { background: var(--border); color: var(--text); }

.card-menu-body {
  margin-top: 0.75rem;
  padding-top: 0.7rem;
  border-top: 1px dashed var(--border);
  display: flex;
  flex-direction: column;
  gap: 0.55rem;
}

.card-menu-body label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--muted-soft);
  text-transform: uppercase;
  letter-spacing: 0.04em;
}

/* "+ add" tile — matches the card grid, sits as the last item in the list */

.add-card {
  background: transparent;
  border: 1px dashed var(--border-strong);
  box-shadow: none;
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 3.4rem;
}
.add-card:hover { border-color: var(--accent); transform: none; box-shadow: none; }
.add-card > details { width: 100%; }
.add-card summary {
  list-style: none;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.4rem;
  color: var(--accent-dark);
  font-weight: 600;
  font-size: 0.92rem;
  padding: 0.2rem 0;
}
.add-card summary::-webkit-details-marker { display: none; }
.add-card summary:hover { text-decoration: none; }
.add-card details[open] summary { color: var(--muted); margin-bottom: 0.6rem; }
.add-card form {
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
}
.add-card form input[type="text"] { flex: none; width: 100%; }

/* ------------------------------------------------------- barcode scanning */

.barcode-row {
  display: flex;
  gap: 0.4rem;
}
.barcode-row input[type="text"] { flex: 1; min-width: 0; width: auto; }
.barcode-row button { flex: 0 0 auto; }

.scan-hint {
  margin: -0.15rem 0 0;
}
.scan-hint-new { color: var(--accent-dark); font-weight: 600; }
.scan-hint-warn { color: var(--danger); }

.scan-support-note {
  margin: -0.15rem 0 0;
  padding: 0.5rem 0.65rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}

.scanner-overlay {
  position: fixed;
  inset: 0;
  z-index: 50;
  background: rgba(20, 16, 12, 0.92);
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 1.1rem;
  padding: 1.5rem;
}
.scanner-overlay video {
  width: 100%;
  max-width: 420px;
  aspect-ratio: 3 / 4;
  object-fit: cover;
  border-radius: var(--radius-lg);
  background: #000;
  box-shadow: var(--shadow-md);
}
.scanner-overlay .scan-cancel {
  background: rgba(255, 255, 255, 0.12);
  color: #fff;
  border-color: rgba(255, 255, 255, 0.35);
}
.scanner-overlay .scan-cancel:hover {
  background: rgba(255, 255, 255, 0.2);
  border-color: rgba(255, 255, 255, 0.5);
}

/* -------------------------------------------------------------- qr block */

.qr-block {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.1rem;
  margin: 1.1rem 0 1.6rem;
}

.qr-image {
  flex: 0 0 auto;
  width: 120px;
  height: 120px;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px;
}

.qr-image svg {
  width: 100%;
  height: 100%;
  display: block;
}

.qr-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.qr-info .meta { word-break: break-all; }

@media (max-width: 520px) {
  .qr-block { flex-direction: column; align-items: stretch; }
  .qr-image { width: 96px; height: 96px; }
}

/* ----------------------------------------------------------- label block */

.label-block {
  display: flex;
  gap: 1.1rem;
  align-items: flex-start;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  padding: 1.1rem;
  margin: 1.1rem 0 1.6rem;
}

.label-preview {
  flex: 0 0 auto;
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 6px;
}

.label-preview img {
  display: block;
  width: 220px;
  height: auto;
}

.label-info {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

@media (max-width: 520px) {
  .label-block { flex-direction: column; align-items: stretch; }
  .label-preview { align-self: center; }
  .label-preview img { width: 200px; }
}

/* ----------------------------------------------------------------- forms */

.row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-top: 0.4rem;
}

.inline-form {
  display: flex;
  gap: 0.4rem;
  align-items: center;
}

.stack-form {
  display: flex;
  gap: 0.5rem;
  margin-top: 0.5rem;
  flex-wrap: wrap;
}

input[type="text"],
input[type="search"],
input[type="number"] {
  padding: 0.5rem 0.7rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  font-size: 0.95rem;
  background: var(--surface);
  color: var(--text);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}
input[type="text"]:focus,
input[type="search"]:focus,
input[type="number"]:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}

/* ----------------------------------------------------------- quantities */

.qty-input {
  width: 4.2rem;
  flex: 0 0 auto;
}

.qty-badge {
  display: inline-flex;
  align-items: center;
  padding: 0.06rem 0.5rem;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent-dark);
  font-size: 0.78rem;
  font-weight: 700;
}

.name-qty-row {
  display: flex;
  gap: 0.4rem;
}
.name-qty-row input[type="text"].name-input { flex: 1; min-width: 0; width: auto; }
.name-qty-row input[type="number"].qty-input { flex: 0 0 auto; width: 4.2rem; }

.section-note {
  color: var(--muted-soft);
  font-size: 0.85rem;
  margin: -0.3rem 0 0.8rem;
}

/* ---------------------------------------------------------------buttons */

button, .btn {
  display: inline-flex;
  align-items: center;
  gap: 0.4rem;
  padding: 0.5rem 0.9rem;
  border: 1px solid transparent;
  border-radius: var(--radius-sm);
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  white-space: nowrap;
  transition: background 0.15s ease, color 0.15s ease, border-color 0.15s ease;
}
button:hover, .btn:hover { background: var(--accent-dark); text-decoration: none; }

button.secondary, .btn.secondary {
  background: var(--surface);
  color: var(--text);
  border-color: var(--border-strong);
}
button.secondary:hover, .btn.secondary:hover { background: var(--bg); border-color: var(--border-strong); }

button.danger, .btn.danger {
  background: transparent;
  color: var(--danger);
  border-color: var(--danger-soft);
}
button.danger:hover, .btn.danger:hover { background: var(--danger); color: #fff; border-color: var(--danger); }

.btn-ghost {
  background: transparent;
  color: var(--muted);
  border-color: var(--border);
}
.btn-ghost:hover { background: var(--surface); color: var(--text); border-color: var(--border-strong); }

@media (max-width: 520px) {
  .topbar { flex-direction: column; align-items: stretch; }
  .row-actions { flex-direction: column; align-items: stretch; }
  .inline-form { flex-direction: column; align-items: stretch; }
  .card-list { grid-template-columns: 1fr; }
  .card-head { flex-direction: column; align-items: stretch; gap: 0.35rem; }
  .card-head > .card-menu > summary { margin-left: auto; }
}