:root {
  --bg: #101114;
  --panel: #191b20;
  --panel-2: #22252c;
  --text: #f3f4f6;
  --muted: #9ca3af;
  --line: #333741;
  --accent: #38bdf8;
  --accent-2: #22c55e;
  --danger: #ef4444;
  --warning: #f59e0b;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.24);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
}

a {
  color: inherit;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  padding: 1rem 1.5rem;
  background: rgba(16, 17, 20, 0.92);
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(12px);
}

.site-header h1 {
  margin: 0;
  font-size: 1.35rem;
}

.site-header h1 a {
  text-decoration: none;
}

.site-header p {
  margin: 0.15rem 0 0;
  color: var(--muted);
  font-size: 0.9rem;
}

.site-header nav {
  display: flex;
  align-items: center;
  gap: 0.75rem;
}

.site-header nav form {
  display: contents;
}

.site-header nav a,
.button,
button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 2.25rem;
  padding: 0.45rem 0.8rem;
  border: 1px solid var(--line);
  border-radius: 0.7rem;
  background: var(--panel-2);
  color: var(--text);
  text-decoration: none;
  font: inherit;
  cursor: pointer;
}

.site-header nav a:hover,
.button:hover,
button:hover {
  border-color: var(--accent);
}

.button.ghost,
button.ghost {
  background: transparent;
}

button:disabled,
.button:disabled,
input:disabled,
select:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}

main {
  width: min(1800px, 100%);
  margin: 0 auto;
  padding: 1.25rem;
}

footer {
  padding: 2rem 1.5rem 3rem;
  color: var(--muted);
  text-align: center;
}

code {
  padding: 0.1rem 0.25rem;
  border-radius: 0.3rem;
  background: rgba(255, 255, 255, 0.08);
}

.flash-wrap {
  width: min(1200px, calc(100% - 2rem));
  margin: 1rem auto 0;
}

.flash {
  margin: 0.5rem 0;
  padding: 0.75rem 1rem;
  border: 1px solid var(--line);
  border-radius: 0.8rem;
  background: var(--panel);
}

.flash.success { border-color: rgba(34, 197, 94, 0.55); }
.flash.warning { border-color: rgba(245, 158, 11, 0.65); }
.flash.error { border-color: rgba(239, 68, 68, 0.65); }
.flash.info { border-color: rgba(56, 189, 248, 0.65); }

.stats-row {
  display: grid;
  grid-template-columns: repeat(5, minmax(0, 1fr));
  gap: 1rem;
  margin-bottom: 1rem;
}

.stat {
  padding: 1rem;
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: linear-gradient(180deg, var(--panel), rgba(25, 27, 32, 0.72));
  box-shadow: var(--shadow);
}

.stat strong {
  display: block;
  font-size: 1.5rem;
}

.stat span {
  display: block;
  color: var(--muted);
  margin-top: 0.2rem;
}

.card-panel {
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel);
  box-shadow: var(--shadow);
}

.toolbar {
  margin-bottom: 1rem;
  padding: 1rem;
}

.filters,
.stacked {
  display: grid;
  gap: 0.85rem;
}

.filters {
  grid-template-columns: minmax(220px, 1fr) auto auto auto auto;
  align-items: end;
}

label {
  display: grid;
  gap: 0.35rem;
  color: var(--muted);
  font-size: 0.9rem;
}

input[type="text"],
input[type="search"],
input[type="password"],
input[type="email"],
input[type="number"],
select {
  width: 100%;
  min-height: 2.35rem;
  border: 1px solid var(--line);
  border-radius: 0.65rem;
  background: #0d0f13;
  color: var(--text);
  padding: 0.45rem 0.65rem;
  font: inherit;
}

.checkline {
  display: flex;
  align-items: center;
  gap: 0.45rem;
  white-space: nowrap;
  color: var(--text);
}

.checkline input {
  width: 1rem;
  height: 1rem;
}

table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.92rem;
}

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

th {
  color: var(--muted);
  font-weight: 700;
}

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

.thumb-cell {
  width: 3.5rem;
}

.thumb {
  display: block;
  width: 3rem;
  border-radius: 0.4rem;
}

.missing-image.small {
  display: grid;
  place-items: center;
  width: 3rem;
  aspect-ratio: 488 / 680;
  border-radius: 0.4rem;
  color: var(--muted);
  background: var(--panel-2);
  font-size: 0.65rem;
  text-align: center;
}

.mono {
  font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
  font-size: 0.82rem;
}

.badge {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  padding: 0.15rem 0.55rem;
  border-radius: 999px;
  font-size: 0.75rem;
  font-weight: 700;
  border: 1px solid var(--line);
  white-space: nowrap;
}

.badge-bulk { border-color: var(--line); color: var(--muted); }
.badge-sleeve_binder { border-color: rgba(56, 189, 248, 0.55); color: var(--accent); background: rgba(56, 189, 248, 0.1); }
.badge-top_loader { border-color: rgba(245, 158, 11, 0.6); color: var(--warning); background: rgba(245, 158, 11, 0.1); }

.badge-upgrade { border-color: rgba(239, 68, 68, 0.65); color: var(--danger); background: rgba(239, 68, 68, 0.12); }
.badge-downgrade { border-color: rgba(34, 197, 94, 0.55); color: var(--accent-2); background: rgba(34, 197, 94, 0.1); }

.flag-section {
  padding: 1rem;
  margin-bottom: 1rem;
}

.flag-section h2 {
  margin-top: 0;
}

.empty-state {
  padding: 2rem;
  text-align: center;
  color: var(--muted);
  border: 1px solid var(--line);
  border-radius: 1rem;
  background: var(--panel);
}

.settings-grid {
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 1rem;
  align-items: start;
}

.settings-grid .card-panel {
  padding: 1rem;
}

.threshold-fields {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 0.85rem;
}

.settings-actions {
  display: flex;
  gap: 0.65rem;
  margin-top: 0.85rem;
  flex-wrap: wrap;
}

.sync-status {
  min-height: 1.2rem;
  margin: 0.6rem 0 0;
  color: var(--muted);
  font-size: 0.88rem;
}

.login-panel {
  max-width: 28rem;
  margin: 3rem auto;
  padding: 1.5rem;
}

.login-fields {
  display: grid;
  gap: 0.85rem;
}

.login-actions {
  margin-top: 1rem;
}

.inline-form {
  display: inline;
}

.assign-form {
  display: flex;
  gap: 0.35rem;
  align-items: center;
  flex-wrap: wrap;
}

.assign-form select {
  min-height: 2rem;
  padding: 0.2rem 0.4rem;
  width: auto;
}

.assign-form button {
  min-height: 2rem;
  padding: 0.2rem 0.6rem;
  font-size: 0.85rem;
}

@media (max-width: 1100px) {
  .filters,
  .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .settings-grid {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 740px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

  main {
    padding: 0.8rem;
  }

  .filters,
  .stats-row {
    grid-template-columns: 1fr;
  }

  .checkline {
    white-space: normal;
  }
}