:root {
  color-scheme: light dark;
  /* Light tokens (MTS style) */
  --md-primary: #e30611;
  --md-on-primary: #ffffff;
  --md-primary-container: #fdeaea;
  --md-on-primary-container: #7c0810;
  --md-surface: #ffffff;
  --md-surface-dim: #eef0f3;
  --md-surface-container: #f2f4f7;
  --md-on-surface: #17181c;
  --md-on-surface-variant: #575d66;
  --md-outline: #8b919b;
  --md-outline-variant: #e4e7ec;
  --md-error: #e30611;
  --accent: #e30611;
  --accent-soft: #fdeaea;
  --accent-contrast: #ffffff;
  --elev-1: 0 1px 3px rgba(23, 24, 28, 0.08);
  --elev-3: 0 6px 18px rgba(23, 24, 28, 0.14);
  --radius-s: 8px;
  --radius-m: 12px;
  --radius-l: 20px;
  /* status colors (solid chips) */
  --st-in-stock-bg: #21a038;
  --st-in-stock-fg: #ffffff;
  --st-repair-bg: #e30611;
  --st-repair-fg: #ffffff;
  --st-removed-bg: #ff7a00;
  --st-removed-fg: #ffffff;
  --st-given-bg: #5b6470;
  --st-given-fg: #ffffff;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme='light']) {
    --md-primary: #ff454a;
    --md-on-primary: #ffffff;
    --md-primary-container: #3a1216;
    --md-on-primary-container: #ffc9cb;
    --md-surface: #17181c;
    --md-surface-dim: #0e0f12;
    --md-surface-container: #232529;
    --md-on-surface: #ecebee;
    --md-on-surface-variant: #a6abb3;
    --md-outline: #787e87;
    --md-outline-variant: #34373c;
    --md-error: #ff454a;
    --accent: #ff454a;
    --accent-soft: #3a1216;
    --accent-contrast: #ffffff;
    --elev-1: 0 1px 2px rgba(0, 0, 0, 0.5);
    --elev-3: 0 4px 10px rgba(0, 0, 0, 0.55);
    --st-in-stock-bg: #21a038;
    --st-in-stock-fg: #ffffff;
    --st-repair-bg: #ff454a;
    --st-repair-fg: #ffffff;
    --st-removed-bg: #ff7a00;
    --st-removed-fg: #ffffff;
    --st-given-bg: #565d66;
    --st-given-fg: #ffffff;
  }
}

:root[data-theme='dark'] {
  --md-primary: #ff454a;
  --md-on-primary: #ffffff;
  --md-primary-container: #3a1216;
  --md-on-primary-container: #ffc9cb;
  --md-surface: #17181c;
  --md-surface-dim: #0e0f12;
  --md-surface-container: #232529;
  --md-on-surface: #ecebee;
  --md-on-surface-variant: #a6abb3;
  --md-outline: #787e87;
  --md-outline-variant: #34373c;
  --md-error: #ff454a;
  --accent: #ff454a;
  --accent-soft: #3a1216;
  --accent-contrast: #ffffff;
  --elev-1: 0 1px 2px rgba(0, 0, 0, 0.5);
  --elev-3: 0 4px 10px rgba(0, 0, 0, 0.55);
  --st-in-stock-bg: #21a038;
  --st-in-stock-fg: #ffffff;
  --st-repair-bg: #ff454a;
  --st-repair-fg: #ffffff;
  --st-removed-bg: #ff7a00;
  --st-removed-fg: #ffffff;
  --st-given-bg: #565d66;
  --st-given-fg: #ffffff;
}

:root[data-theme='dark'] { color-scheme: dark; }
:root[data-theme='light'] { color-scheme: light; }

* { box-sizing: border-box; }

[hidden] { display: none !important; }

html { scrollbar-gutter: stable; }

body {
  font-family: Roboto, system-ui, sans-serif;
  margin: 0 16px 32px;
  background: var(--md-surface-dim);
  color: var(--md-on-surface);
}

.page {
  max-width: 1440px;
  margin: 0 auto;
  background: var(--md-surface);
  border-radius: 0;
  min-height: calc(100vh - 32px);
  padding: 0 24px 32px;
}

header {
  margin: 0 -24px;
  background: var(--accent);
  color: #fff;
  padding: 16px 24px 14px;
  border-bottom: none;
}

header h1 {
  font-family: Roboto, system-ui, sans-serif;
  font-size: 1.3rem;
  font-weight: 700;
  letter-spacing: 0;
  margin: 0;
  color: #fff;
  display: flex;
  align-items: center;
  gap: 12px;
}

header .brand-logo {
  height: 30px;
  width: auto;
  flex: none;
}

#screen-date {
  color: rgba(255, 255, 255, 0.8);
  margin: 3px 0 0;
  font-size: 0.85rem;
}

#summary {
  margin: 14px 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

#current-user {
  margin-left: auto;
  align-self: center;
  font-size: 0.85rem;
  color: var(--md-on-surface-variant);
  white-space: nowrap;
  padding-left: 8px;
}

/* white outline chips with colored glyphs */
.badge {
  background: var(--md-surface);
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-m);
  padding: 5px 12px;
  font-size: 0.9rem;
  color: var(--md-on-surface);
}
.badge.st-in-stock { color: var(--st-in-stock-bg); font-weight: 600; }
.badge.st-repair { color: var(--accent); font-weight: 600; }
.badge.st-removed { color: var(--st-removed-bg); font-weight: 600; }
.badge.st-given { color: var(--st-given-bg); font-weight: 600; }
.badge.total { background: var(--accent); border-color: var(--accent); color: #fff; font-weight: 600; }

#controls {
  margin: 12px 0 16px;
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}

#search {
  flex: 1 1 300px;
  padding: 10px 16px;
  font: inherit;
  border-radius: var(--radius-m);
  border: none;
  background: var(--md-surface-container);
  color: var(--md-on-surface);
}

#search::placeholder { color: var(--md-on-surface-variant); }

/* MTS buttons: flat red primary, gray secondary, text tertiary */
button {
  font: inherit;
  font-weight: 600;
  padding: 10px 20px;
  border: none;
  border-radius: var(--radius-m);
  cursor: pointer;
  background: var(--md-surface-container);
  color: var(--md-on-surface);
  transition: background-color 0.15s ease;
}

button:hover { background: color-mix(in oklab, var(--md-surface-container), var(--md-on-surface) 7%); }
button:active { background: color-mix(in oklab, var(--md-surface-container), var(--md-on-surface) 14%); }

button.btn-filled {
  background: var(--accent);
  color: var(--md-on-primary);
}
button.btn-filled:hover { background: color-mix(in oklab, var(--accent), #000 10%); }

button.btn-accent {
  background: var(--accent);
  color: var(--accent-contrast);
}
button.btn-accent:hover { background: color-mix(in oklab, var(--accent), #000 10%); }

button.btn-tonal {
  background: var(--md-primary-container);
  color: var(--md-on-primary-container);
}
button.btn-tonal:hover { background: color-mix(in oklab, var(--md-primary-container), var(--md-on-surface) 8%); }

button.btn-text {
  background: transparent;
  color: var(--accent);
}
button.btn-text:hover { background: var(--md-primary-container); }

button.btn-icon {
  padding: 8px;
  border-radius: 50%;
  background: transparent;
  color: var(--md-on-surface-variant);
  flex: 0 0 auto;
}
button.btn-icon:hover { background: var(--md-surface-container); color: var(--accent); }
button.btn-icon svg { display: block; }

#search:focus-visible, select:focus-visible, button:focus-visible, dialog input:focus-visible, dialog textarea:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

select {
  padding: 10px 14px;
  font: inherit;
  border: none;
  border-radius: var(--radius-m);
  background: var(--md-surface-container);
  color: var(--md-on-surface);
}

table {
  border-collapse: collapse;
  width: 100%;
}

th, td {
  padding: 9px 10px;
  text-align: left;
  vertical-align: top;
  border: none;
}

td .clamp {
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  font-size: 0.9rem;
}

thead th {
  font-size: 0.8rem;
  font-weight: 700;
  letter-spacing: 0.01em;
  color: var(--md-on-surface-variant);
  background: var(--md-surface);
  position: sticky;
  top: 0;
  z-index: 1;
  border: none;
  box-shadow: 0 2px 0 var(--md-outline-variant);
}

tbody tr:hover { background: var(--md-surface-container); }

.page tbody td {
  font-size: 0.92rem;
  color: var(--md-on-surface);
}

.page tbody td.cell-muted { color: var(--md-on-surface-variant); }

.page tbody td:nth-child(2) { font-weight: 600; }
.page tbody td:nth-child(3) { white-space: nowrap; }

td.no-print {
  white-space: nowrap;
}
td.no-print button {
  margin: 1px 2px;
  padding: 6px 14px;
  font-size: 0.82rem;
}

.status-badge {
  display: inline-block;
  border-radius: var(--radius-l);
  padding: 3px 12px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  white-space: nowrap;
}
.status-badge.st-in-stock { background: var(--st-in-stock-bg); color: var(--st-in-stock-fg); }
.status-badge.st-repair { background: var(--st-repair-bg); color: var(--st-repair-fg); }
.status-badge.st-removed { background: var(--st-removed-bg); color: var(--st-removed-fg); }
.status-badge.st-given, .status-badge.st-unknown { background: var(--st-given-bg); color: var(--st-given-fg); }

dialog {
  border: none;
  border-radius: 16px;
  padding: 24px;
  min-width: min(400px, 92vw);
  max-width: 92vw;
  background: var(--md-surface);
  color: var(--md-on-surface);
  box-shadow: var(--elev-3);
}

dialog::backdrop {
  background: rgba(0, 0, 0, 0.45);
  opacity: 1;
  transition: opacity 0.2s ease;
}

dialog[open] {
  opacity: 1;
  transition: opacity 0.2s ease;
}
@starting-style { dialog[open] { opacity: 0; } }
@starting-style { dialog[open]::backdrop { opacity: 0; } }

dialog form { display: flex; flex-direction: column; gap: 12px; }

dialog label { display: flex; flex-direction: column; gap: 4px; font-size: 0.85rem; font-weight: 700; color: var(--md-on-surface); }

dialog input, dialog textarea {
  padding: 10px 14px;
  font: inherit;
  font-weight: 400;
  border: none;
  border-radius: var(--radius-m);
  background: var(--md-surface-container);
  color: var(--md-on-surface);
}

dialog h2 {
  font-family: Roboto, system-ui, sans-serif;
  font-size: 1.2rem;
  font-weight: 700;
  letter-spacing: 0;
  margin: 0 0 6px;
}

#parts-fieldset {
  border: 1px solid var(--md-outline-variant);
  border-radius: var(--radius-m);
  padding: 12px 14px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

#parts-fieldset legend { font-size: 0.85rem; font-weight: 700; color: var(--md-on-surface); padding: 0 6px; }

.part-row { display: flex; gap: 6px; }
.part-row input { flex: 1; }
.part-row button { padding: 8px 12px; font-size: 1rem; line-height: 1; }

#add-part-btn { align-self: flex-start; }

.dialog-actions { display: flex; gap: 8px; margin-top: 10px; justify-content: flex-end; }

#print-area { display: none; }

@media (max-width: 720px) {
  body { margin: 0 8px 24px; background: var(--md-surface-dim); }
  .page { padding: 0 12px 24px; }
  header { margin: 0 -12px; }
  header h1 { font-size: 1.1rem; }

  /* registry becomes stacked cards */
  #records thead { display: none; }
  #records, #records tbody, #records tr, #records td {
    display: block;
    width: 100%;
    border: none;
    padding: 0;
  }
  #records tr {
    background: var(--md-surface-container);
    border-radius: var(--radius-m);
    margin: 10px 0;
    padding: 10px 12px 6px;
    box-shadow: var(--elev-1);
  }
  #records tbody tr:hover { background: var(--md-surface-container); }
  #records td {
    display: flex;
    justify-content: space-between;
    align-items: baseline;
    gap: 12px;
    padding: 6px 0;
    font-size: 0.9rem;
  }
  #records td::before {
    content: attr(data-label);
    color: var(--md-on-surface-variant);
    font-size: 0.78rem;
    font-weight: 600;
    flex: 0 0 auto;
    text-align: left;
  }
  #records td .clamp,
  #records td .cell-muted {
    font-size: 0.9rem;
  }
  #records td[data-label='№'] { font-weight: 600; justify-content: flex-start; }
  #records td[data-label='№']::before { display: none; }
  #records td[data-label='Серийный номер'] { font-weight: 500; }
  #records .no-print {
    display: flex;
    flex-wrap: wrap;
    gap: 6px;
    padding-top: 8px;
    border-top: 1px solid var(--md-outline-variant);
  }
  #records .no-print::before { content: none; }
  #records td button { padding: 6px 12px; font-size: 0.82rem; margin-right: 0; }

  #controls { gap: 6px; }
  #controls > * { flex: 1 1 auto; }
  #search { flex: 1 1 100%; order: -1; }
  #summary .badge { padding: 4px 10px; font-size: 0.82rem; }

  dialog { padding: 18px 16px; }
  dialog form { gap: 10px; }
}

@media print {
  :root { color-scheme: light; }
  body { margin: 0; background: #fff; color: #000; }
  .no-print, header, #records, dialog { display: none !important; }
  .page { box-shadow: none; padding: 0; margin: 0; min-height: 0; max-width: none; background: transparent; border-radius: 0; }
  tbody tr, tbody tr:hover, tbody tr:nth-child(even) { background: transparent !important; }
  table { width: 100%; font-size: 9pt; }
  th, td { border: 0.5pt solid #000; padding: 2px 4px; background: transparent; color: #000; }
  thead th { position: static; border-bottom: 0.5pt solid #000; color: #000; box-shadow: none; }
  #print-area { display: block; }
  #print-area table { font-size: 10pt; }
  #print-area h2 { font-size: 1.1rem; margin: 0 0 8px; }
  #print-area th { font-weight: bold; }
}