:root {
  color-scheme: light;
  --bg: #fff;
  --bg-deep: #fff;
  --ink: #111;
  --muted: #5c5c5c;
  --line: rgba(0, 0, 0, 0.72);
  --line-faint: rgba(0, 0, 0, 0.16);
  --card: #f6f6f6;
  --field: #fff;
  --accent: #111;
  --accent-ink: #fff;
  --danger: #8d2b24;
  --danger-bg: #f8e8e6;
  --success: #1d5c38;
  --success-bg: #e5f3ea;
  --font: "Avenir Next", "Segoe UI", "Helvetica Neue", Helvetica, Arial, sans-serif;
}

html[data-theme="dark"] {
  color-scheme: dark;
  --bg: #000;
  --bg-deep: #000;
  --ink: #f3f3f3;
  --muted: #a3a3a3;
  --line: rgba(255, 255, 255, 0.72);
  --line-faint: rgba(255, 255, 255, 0.18);
  --card: #111;
  --field: #000;
  --accent: #f5f5f5;
  --accent-ink: #000;
  --danger: #ffd0cb;
  --danger-bg: rgba(255, 96, 84, 0.16);
  --success: #c8f5d8;
  --success-bg: rgba(72, 196, 132, 0.16);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: var(--font);
  color: var(--ink);
  background: var(--bg);
}

a {
  color: var(--ink);
  text-underline-offset: 0.18em;
}

:focus-visible {
  outline: 1px solid var(--ink);
  outline-offset: 3px;
}

.sheet {
  position: relative;
  display: flex;
  flex-direction: column;
  min-height: 100vh;
}

.site-header {
  position: relative;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  margin: 0;
  padding: 1rem 1.35rem;
  border-bottom: 1px solid var(--line-faint);
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 0.65rem;
  color: var(--ink);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  text-decoration: none;
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 1.7rem;
  height: 1.7rem;
  border: 1px solid var(--line-faint);
  font-size: 0.62rem;
  font-weight: 700;
  letter-spacing: 0.04em;
}

.nav {
  display: flex;
  align-items: center;
  gap: 1.1rem;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.nav a {
  color: var(--ink);
  text-decoration: none;
}

.nav a.nav-primary {
  color: var(--accent-ink);
}

.nav form {
  margin: 0;
}

.nav-primary,
.button,
button[type="submit"] {
  border: 1px solid var(--accent);
  border-radius: 0;
  background: var(--accent);
  color: var(--accent-ink);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.14em;
  text-transform: uppercase;
  cursor: pointer;
  text-decoration: none;
}

.nav-primary,
.nav button[type="submit"] {
  padding: 0.45rem 0.7rem;
}

.nav button {
  background: transparent;
  color: var(--ink);
  padding: 0;
  border: 0;
  font-family: inherit;
  font-size: inherit;
  font-weight: inherit;
  letter-spacing: inherit;
  text-transform: inherit;
  cursor: pointer;
}

.page {
  position: relative;
  z-index: 1;
  flex: 1;
  width: min(40rem, 100%);
  margin: 0 auto;
  padding: 2.25rem 1.5rem 2.5rem;
}

.sheet:has(.sidebar) {
  flex-direction: row;
  align-items: flex-start;
}

.sidebar {
  position: sticky;
  top: 0;
  flex: none;
  width: 11rem;
  height: 100vh;
  overflow: auto;
  border-right: 1px solid var(--line-faint);
}

.sidebar-nav {
  display: flex;
  flex-direction: column;
  min-height: 100%;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-transform: uppercase;
}

.sidebar-nav a,
.sidebar button[type="submit"] {
  display: block;
  width: 100%;
  margin: 0;
  padding: 0.95rem 1rem;
  border: 0;
  border-bottom: 1px solid var(--line-faint);
  border-radius: 0;
  background: transparent;
  color: var(--ink);
  font: inherit;
  font-weight: 600;
  letter-spacing: 0.14em;
  text-align: left;
  text-decoration: none;
  text-transform: uppercase;
  cursor: pointer;
}

.sidebar-nav a.is-active {
  font-weight: 700;
}

.sidebar form {
  display: block;
  margin: 0;
}

.sidebar-spacer {
  flex: 1;
  border-bottom: 1px solid var(--line-faint);
}

.sheet:has(.sidebar) .page {
  width: auto;
  max-width: none;
  min-width: 0;
  margin: 0;
}

html:has(.part-detail),
body:has(.part-detail) {
  height: 100%;
  overflow: hidden;
}

.sheet:has(.part-detail) {
  height: 100vh;
  min-height: 0;
  overflow: hidden;
  align-items: stretch;
}

.sheet:has(.part-detail) .page {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
  padding: 0;
  overflow: hidden;
}

.page:has(.role-list),
.page:has(.part-grid),
.page:has(.category-grid),
.page:has(.part-detail) {
  width: min(72rem, 100%);
}

.hero,
.card {
  position: relative;
  background: var(--card);
  border: 1px solid var(--line-faint);
  border-radius: 0;
  padding: 1.6rem 1.5rem 1.5rem;
}

.eyebrow {
  margin: 0 0 0.85rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.18em;
  text-transform: uppercase;
}

.eyebrow::before {
  content: "";
  display: inline-block;
  width: 1.4rem;
  height: 1px;
  margin-right: 0.55rem;
  vertical-align: middle;
  background: var(--line);
}

h1 {
  margin: 0 0 0.75rem;
  font-size: 1.85rem;
  font-weight: 600;
  letter-spacing: -0.02em;
  line-height: 1.2;
}

.lede,
.muted {
  margin: 0;
  color: var(--muted);
  font-size: 0.98rem;
  line-height: 1.55;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 1.5rem;
}

.button,
.card button[type="submit"],
.hero button[type="submit"] {
  display: inline-block;
  padding: 0.75rem 1rem;
}

.button-secondary {
  background: transparent;
  color: var(--ink);
  border: 1px solid var(--line-faint);
}

form {
  display: grid;
  gap: 0.35rem;
  margin-top: 1.25rem;
}

label {
  margin-top: 0.7rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

input,
select {
  width: 100%;
  border: 1px solid var(--line-faint);
  border-radius: 0;
  padding: 0.7rem 0.75rem;
  font: inherit;
  color: var(--ink);
  background: var(--field);
}

input:focus {
  outline: 1px solid var(--ink);
  outline-offset: 0;
  border-color: var(--ink);
}

.card button[type="submit"],
.hero button[type="submit"] {
  margin-top: 1rem;
  justify-self: start;
}

.login-note {
  margin-top: 1.25rem;
}

.role-list {
  margin-top: 1.5rem;
  border-top: 1px solid var(--line-faint);
}

.role-form {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1.3fr) 7.5rem auto;
  gap: 0.75rem;
  align-items: center;
  margin: 0;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line-faint);
}

.role-name,
.role-email,
.role-fixed {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.role-email,
.role-fixed {
  color: var(--muted);
}

.role-fixed {
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.role-form select {
  width: 100%;
  padding: 0.55rem 0.6rem;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.card .role-form button[type="submit"] {
  margin-top: 0;
  padding: 0.55rem 0.7rem;
}

.token-section {
  margin-top: 2.25rem;
}

.token-create {
  margin-top: 1rem;
}

.card .token-create button[type="submit"] {
  margin-top: 0;
}

.token-list {
  margin-top: 1.25rem;
  border-top: 1px solid var(--line-faint);
}

.token-empty {
  margin: 0.85rem 0;
}

.token-row {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 0.75rem;
  align-items: center;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line-faint);
}

.token-value {
  font-family: ui-monospace, "SFMono-Regular", Menlo, Consolas, monospace;
  font-size: 0.92rem;
  overflow-wrap: anywhere;
}

.token-status {
  color: var(--muted);
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

.field-error,
.form-error,
.flash {
  margin: 0.25rem 0 0;
  font-size: 0.88rem;
  line-height: 1.4;
}

.field-error,
.form-error,
.flash-error {
  color: var(--danger);
}

.form-error,
.flash {
  padding: 0.7rem 0.8rem;
  border: 1px solid var(--line-faint);
  border-radius: 0;
}

.form-error,
.flash-error {
  background: var(--danger-bg);
}

.flash-success {
  color: var(--success);
  background: var(--success-bg);
}

.flash {
  margin-bottom: 1rem;
}

.details {
  display: grid;
  gap: 0;
  margin: 1.5rem 0 0;
  border-top: 1px solid var(--line-faint);
}

.details div {
  display: grid;
  grid-template-columns: 7rem 1fr;
  gap: 1rem;
  align-items: baseline;
  padding: 0.85rem 0;
  border-bottom: 1px solid var(--line-faint);
}

dt {
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

dd {
  margin: 0;
  font-size: 1rem;
  font-variant-numeric: tabular-nums;
}

.part-empty {
  margin: 1.5rem 0 0;
  color: var(--muted);
}

.part-grid,
.category-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 0.85rem;
  margin-top: 1.5rem;
}

.category-card {
  display: flex;
  align-items: center;
  justify-content: center;
  aspect-ratio: 1;
  min-width: 0;
  padding: 1rem;
  border: 1px solid var(--line-faint);
  background: var(--bg);
  color: inherit;
  text-align: center;
  text-decoration: none;
}

.category-card h2 {
  margin: 0;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.3;
}

.part-card {
  display: flex;
  flex-direction: column;
  min-width: 0;
  border: 1px solid var(--line-faint);
  color: inherit;
  text-decoration: none;
  background: var(--bg);
}

.part-card img,
.part-photo {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  background: transparent;
}

.part-photo {
  background: var(--bg);
}

.part-card h2 {
  margin: 0.85rem 0.9rem 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.3;
}

.part-card p {
  margin: 0 0.9rem 1rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

.part-detail {
  display: grid;
  grid-template-columns: minmax(16rem, 32rem) 300px minmax(0, 1fr);
  flex: 1;
  min-height: 0;
  height: 100%;
  overflow: hidden;
}

.part-detail-main,
.part-detail-aside,
.part-detail-gallery {
  min-height: 0;
  overflow-y: auto;
  overscroll-behavior: contain;
  padding: 2.25rem 1.5rem 2.5rem;
}

.part-detail-aside,
.part-detail-gallery {
  border-left: 1px solid var(--line-faint);
}

.part-detail-lead h1 {
  margin-bottom: 0.75rem;
}

.part-detail-main > h2 {
  margin: 1.5rem 0 0.5rem;
  color: var(--muted);
  font-size: 0.68rem;
  font-weight: 700;
  letter-spacing: 0.16em;
  text-transform: uppercase;
}

.specification {
  margin: 0;
  padding: 0.9rem 0 0;
  border-top: 1px solid var(--line-faint);
  font-family: inherit;
  font-size: 0.98rem;
  line-height: 1.55;
  white-space: pre-wrap;
}

.part-mark {
  display: block;
  width: 350px;
  max-width: 100%;
  height: auto;
  margin-top: 2rem;
  background: transparent;
}

.part-photo-link {
  margin: 2rem 0 0;
}

.part-photo-remove {
  width: 350px;
  max-width: 100%;
  margin-top: 0.75rem;
}

.part-photo-remove button {
  justify-self: start;
}

.part-detail-gallery {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(min(100%, 350px), 350px));
  align-content: start;
  gap: 1rem;
}

.part-tile {
  display: flex;
  flex-direction: column;
  width: 350px;
  max-width: 100%;
  border: 1px solid var(--line-faint);
  color: inherit;
  text-decoration: none;
  background: var(--bg);
}

.part-tile img {
  display: block;
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: contain;
  background: transparent;
}

.part-tile h2 {
  margin: 0.85rem 0.9rem 0.35rem;
  font-size: 1rem;
  font-weight: 600;
  letter-spacing: 0;
  line-height: 1.3;
}

.part-tile p {
  margin: 0 0.9rem 1rem;
  color: var(--muted);
  font-size: 0.9rem;
  line-height: 1.45;
}

@media (max-width: 800px) {
  .part-grid,
  .category-grid {
    grid-template-columns: 1fr 1fr;
  }

  .part-detail {
    grid-template-columns: minmax(12rem, 20rem) 300px minmax(0, 1fr);
  }

  .part-detail-main,
  .part-detail-aside,
  .part-detail-gallery {
    padding: 1.25rem 1rem 1.5rem;
  }
}

@media (max-width: 640px) {
  .site-header,
  .page {
    padding-left: 1rem;
    padding-right: 1rem;
  }

  .site-header {
    flex-wrap: wrap;
    align-items: flex-start;
  }

  .nav {
    flex-wrap: wrap;
    justify-content: flex-end;
    gap: 0.65rem 0.85rem;
  }

  .sidebar {
    width: 7.25rem;
  }

  h1 {
    font-size: 1.55rem;
  }

  .details div {
    grid-template-columns: 1fr;
    gap: 0.25rem;
  }

  .role-form {
    grid-template-columns: 1fr;
    gap: 0.45rem;
  }

  .role-name,
  .role-email,
  .role-fixed {
    white-space: normal;
  }

  .part-grid,
  .category-grid {
    grid-template-columns: 1fr;
  }
}