:root {
  --primary: #1769AA;
  --primary-dark: #0D4F8B;
  --primary-light: #EAF4FC;
  --accent: #2E7D32;
  --warning: #F9A825;
  --danger: #C62828;
  --text: #1C1C1E;
  --text-secondary: #6E6E73;
  --background: #F5F7FA;
  --surface: #FFFFFF;
  --border: #DADDE2;
}

* {
  box-sizing: border-box;
}

html, body {
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Hiragino Sans", "Yu Gothic UI", sans-serif;
  color: var(--text);
  background: var(--background);
  line-height: 1.6;
}

a {
  color: var(--primary);
}

button, input, select {
  font: inherit;
  color: inherit;
}

.app-shell {
  display: grid;
  grid-template-columns: 240px 1fr;
  grid-template-rows: auto 1fr;
  min-height: 100vh;
}

.topbar {
  grid-column: 1 / -1;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  padding: 0.65rem 1.25rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  position: sticky;
  top: 0;
  z-index: 10;
}

.topbar-brand {
  display: flex;
  align-items: center;
  gap: 0.5rem;
  font-weight: 700;
}

.brand-mark {
  font-size: 1.35rem;
}

.demo-badge {
  background: var(--warning);
  color: #4A3800;
  font-size: 0.75rem;
  font-weight: 700;
  padding: 0.2rem 0.55rem;
  border-radius: 999px;
  white-space: nowrap;
}

.menu-toggle {
  display: none;
  min-height: 44px;
  padding: 0 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  cursor: pointer;
}

.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  padding: 1rem 0.75rem;
}

.nav-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.25rem;
}

.nav-list a {
  display: flex;
  align-items: center;
  min-height: 44px;
  padding: 0.5rem 0.75rem;
  border-radius: 10px;
  text-decoration: none;
  color: var(--text);
}

.nav-list a:hover {
  background: var(--primary-light);
}

.nav-list a.active {
  background: var(--primary);
  color: #FFFFFF;
  font-weight: 600;
}

.sidebar-note {
  margin: 1.5rem 0.5rem 0;
  font-size: 0.75rem;
  color: var(--text-secondary);
}

.content {
  padding: 1.5rem clamp(0.75rem, 3vw, 2rem);
  min-width: 0;
}

.content:focus {
  outline: none;
}

.page-title {
  margin: 0 0 1rem;
  font-size: 1.4rem;
}

.page-subtitle {
  margin: -0.5rem 0 1.25rem;
  color: var(--text-secondary);
  font-size: 0.9rem;
}

.kpi-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1.5rem;
}

.kpi-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 0.9rem 1rem;
}

.kpi-label {
  color: var(--text-secondary);
  font-size: 0.8rem;
}

.kpi-value {
  font-size: 1.75rem;
  font-weight: 700;
  color: var(--primary-dark);
}

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 12px;
  padding: 1rem;
  margin-bottom: 1.25rem;
}

.panel h2 {
  margin: 0 0 0.75rem;
  font-size: 1.05rem;
}

.bar-row {
  display: grid;
  grid-template-columns: 10rem 1fr 4rem;
  align-items: center;
  gap: 0.5rem;
  padding: 0.35rem 0;
}

.bar-track {
  background: var(--background);
  border-radius: 6px;
  height: 18px;
  overflow: hidden;
}

.bar-fill {
  background: var(--primary);
  height: 100%;
  border-radius: 6px;
  min-width: 4px;
}

.bar-value {
  text-align: right;
  font-variant-numeric: tabular-nums;
  font-size: 0.85rem;
}

.toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 0.5rem;
  margin-bottom: 1rem;
  align-items: center;
}

.toolbar input[type="search"],
.toolbar select {
  min-height: 44px;
  padding: 0.4rem 0.6rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
}

.toolbar input[type="search"] {
  flex: 1 1 220px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 44px;
  padding: 0.45rem 1rem;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  text-decoration: none;
  color: var(--text);
  cursor: pointer;
}

.button.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #FFFFFF;
}

.button:hover {
  filter: brightness(0.97);
}

.button:focus-visible, a:focus-visible, select:focus-visible, input:focus-visible {
  outline: 3px solid var(--primary-light);
  outline-offset: 1px;
}

.table-wrap {
  overflow-x: auto;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9rem;
}

caption {
  text-align: left;
  font-size: 0.8rem;
  color: var(--text-secondary);
  padding-bottom: 0.35rem;
}

th, td {
  text-align: left;
  padding: 0.55rem 0.65rem;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}

th {
  background: var(--background);
  white-space: nowrap;
}

tbody tr.clickable {
  cursor: pointer;
}

tbody tr.clickable:hover {
  background: var(--primary-light);
}

.badge {
  display: inline-block;
  padding: 0.1rem 0.5rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge.inspected { background: #E6F4EA; color: var(--accent); }
.badge.not_inspected { background: #FFF4D6; color: #8A6400; }
.badge.rejected { background: #FBE9E9; color: var(--danger); }
.badge.needs_review { background: #FBE9E9; color: var(--danger); }
.badge.inbound { background: var(--primary-light); color: var(--primary-dark); }
.badge.used { background: #EFEFEF; color: var(--text-secondary); }
.badge.returned { background: #FFF4D6; color: #8A6400; }

.photo-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
  gap: 0.75rem;
}

.photo-grid img {
  width: 100%;
  height: auto;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: var(--background);
}

.detail-list {
  display: grid;
  grid-template-columns: minmax(140px, max-content) 1fr;
  gap: 0.5rem 1rem;
  margin: 0;
}

.detail-list dt {
  color: var(--text-secondary);
}

.detail-list dd {
  margin: 0;
}

.state-message {
  color: var(--text-secondary);
  padding: 2rem 0;
  text-align: center;
}

.error-box {
  background: #FBE9E9;
  border: 1px solid var(--danger);
  color: var(--danger);
  border-radius: 10px;
  padding: 0.85rem 1rem;
  margin-bottom: 1rem;
}

.pagination {
  display: flex;
  gap: 0.5rem;
  align-items: center;
  margin-top: 0.75rem;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  margin: -1px;
  padding: 0;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border: 0;
}

@media (max-width: 760px) {
  .app-shell {
    grid-template-columns: 1fr;
  }

  .menu-toggle {
    display: inline-flex;
  }

  .sidebar {
    display: none;
    border-right: none;
    border-bottom: 1px solid var(--border);
  }

  .sidebar.open {
    display: block;
  }

  .nav-list {
    flex-direction: column;
  }

  .detail-list {
    grid-template-columns: 1fr;
    gap: 0.15rem;
  }

  .detail-list dt {
    margin-top: 0.5rem;
  }
}