:root {
  --bg: #f6f7f9;
  --panel: #ffffff;
  --text: #1c2024;
  --muted: #5d6670;
  --border: #d5dae0;
  --accent: #3b5bdb;
  --accent-text: #ffffff;
  --danger: #b42318;
  --ok-bg: #e8f5ec;
  --err-bg: #fdecea;
  --note-bg: #eef3fd;
  --nsfw: #a61e4d;
  --radius: 8px;
  color-scheme: light dark;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #14171a;
    --panel: #1d2125;
    --text: #e6e9ec;
    --muted: #9aa4ad;
    --border: #343b42;
    --accent: #7c93f2;
    --accent-text: #0e1116;
    --danger: #ff8a80;
    --ok-bg: #16301f;
    --err-bg: #3a1c1a;
    --note-bg: #1c2740;
    --nsfw: #f783ac;
  }
}
* {
  box-sizing: border-box;
}
body {
  margin: 0;
  font: 15px/1.45 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
h1,
h2,
h3,
h4 {
  margin: 0 0 0.4em;
  line-height: 1.2;
}
h1 {
  font-size: 1.15rem;
}
h2 {
  font-size: 1.35rem;
}
h3 {
  font-size: 1.05rem;
}
h4 {
  font-size: 0.95rem;
  text-transform: capitalize;
}
p {
  margin: 0 0 0.6em;
}
code {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 4px;
  padding: 0 4px;
  margin-right: 4px;
  font-size: 0.9em;
}
.muted {
  color: var(--muted);
}
.small {
  font-size: 0.85em;
}
.bad {
  color: var(--danger);
}
.pad {
  padding: 4px 12px;
}
.visually-hidden {
  position: absolute;
  width: 1px;
  height: 1px;
  overflow: hidden;
  clip: rect(0 0 0 0);
  white-space: nowrap;
}

/* header and banner */
.top {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}
.deck-switch {
  display: inline-flex;
}
.deck-switch button {
  border-radius: 0;
}
.deck-switch button:first-child {
  border-radius: var(--radius) 0 0 var(--radius);
}
.deck-switch button:last-child {
  border-radius: 0 var(--radius) var(--radius) 0;
  margin-left: -1px;
}
.deck-switch button[aria-pressed="true"] {
  font-weight: 600;
  background: var(--ok-bg);
}
.banner {
  margin: 8px 16px 0;
  padding: 8px 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.banner[hidden] {
  display: none;
}
.banner.info {
  background: var(--ok-bg);
}
.banner.error {
  background: var(--err-bg);
}
.banner ul {
  margin: 4px 0 0;
  padding-left: 20px;
}

/* two-pane layout */
.layout {
  display: grid;
  grid-template-columns: minmax(260px, 340px) 1fr;
  gap: 16px;
  padding: 16px;
  align-items: start;
}
.side {
  position: sticky;
  top: 8px;
  max-height: calc(100vh - 16px);
  overflow: auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.side-tools {
  position: sticky;
  top: 0;
  z-index: 1;
  background: var(--panel);
  padding: 10px;
  border-bottom: 1px solid var(--border);
  display: grid;
  gap: 8px;
}
.detail {
  min-width: 0;
}
@media (max-width: 800px) {
  .layout {
    grid-template-columns: 1fr;
  }
  .side {
    position: static;
    max-height: 50vh;
  }
}

/* controls */
input[type="text"],
input[type="search"],
input[type="number"],
select,
textarea {
  width: 100%;
  font: inherit;
  color: var(--text);
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 6px 8px;
}
textarea {
  resize: vertical;
}
input.narrow {
  width: 9em;
}
button {
  font: inherit;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 5px 10px;
  cursor: pointer;
}
button:hover:not(:disabled) {
  border-color: var(--accent);
}
button:disabled {
  opacity: 0.5;
  cursor: default;
}
button.primary {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}
button.danger {
  color: var(--danger);
  border-color: var(--danger);
}
button.link {
  border: none;
  background: none;
  color: var(--accent);
  padding: 0 4px;
  text-decoration: underline;
}
:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.row {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: center;
}
.row.end {
  justify-content: flex-end;
  margin-top: 12px;
}
.row.between {
  justify-content: space-between;
}
.decks .card {
  margin: 8px 0;
}
.narrow-text {
  width: 12em;
}

/* sidebar list */
.cat > summary {
  display: flex;
  gap: 8px;
  align-items: baseline;
  padding: 8px 12px;
  cursor: pointer;
  font-weight: 600;
  border-bottom: 1px solid var(--border);
  list-style-position: inside;
}
.cat .count {
  margin-left: auto;
  color: var(--muted);
  font-weight: 400;
}
.item {
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 2px;
  width: 100%;
  text-align: left;
  border: none;
  border-radius: 0;
  border-bottom: 1px solid var(--border);
  padding: 7px 12px 7px 24px;
  background: transparent;
}
.item.selected {
  background: var(--note-bg);
  box-shadow: inset 3px 0 0 var(--accent);
}
.item-label {
  font-weight: 500;
}
.badges {
  display: flex;
  gap: 4px;
  flex-wrap: wrap;
}
.badge {
  font-size: 0.72rem;
  line-height: 1;
  padding: 3px 6px;
  border-radius: 999px;
  border: 1px solid var(--border);
  color: var(--muted);
  background: var(--bg);
}
.badge.nsfw {
  color: var(--nsfw);
  border-color: var(--nsfw);
}
.badge.off {
  color: var(--danger);
  border-color: var(--danger);
}
.badge.alias,
.badge.live {
  color: var(--accent);
  border-color: var(--accent);
}

/* action panel */
.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 14px;
}
.head {
  display: flex;
  justify-content: space-between;
  gap: 12px;
  flex-wrap: wrap;
  margin-bottom: 12px;
}
.fields {
  display: grid;
  gap: 10px;
}
.fields label {
  display: grid;
  gap: 4px;
  font-size: 0.9em;
  color: var(--muted);
}
.fields label.check {
  display: flex;
  align-items: center;
  gap: 6px;
  color: var(--text);
}
.kind {
  margin-top: 14px;
}
.line {
  display: grid;
  grid-template-columns: 1fr 190px;
  gap: 8px;
  margin-bottom: 8px;
  align-items: start;
}
.line .inline-error {
  grid-column: 1 / -1;
}
.line-side {
  display: grid;
  gap: 4px;
}
.add-line {
  display: grid;
  gap: 6px;
  margin-top: 6px;
}
@media (max-width: 600px) {
  .line {
    grid-template-columns: 1fr;
  }
}
.inline-error:empty {
  display: none;
}
.inline-error {
  color: var(--danger);
  font-size: 0.9em;
}
.inline-error ul {
  margin: 2px 0 0;
  padding-left: 18px;
}
.help {
  margin: 4px 0 8px;
}
.note {
  background: var(--note-bg);
  padding: 8px 10px;
  border-radius: 6px;
}

/* media */
.drop {
  display: grid;
  gap: 4px;
  justify-items: center;
  text-align: center;
  padding: 18px 12px;
  margin: 8px 0;
  border: 2px dashed var(--border);
  border-radius: var(--radius);
  cursor: pointer;
}
.drop.over,
.drop:focus-within {
  border-color: var(--accent);
  background: var(--note-bg);
}
.uploads {
  display: grid;
  gap: 4px;
  margin-bottom: 6px;
}
.upload {
  display: flex;
  gap: 10px;
  align-items: center;
  flex-wrap: wrap;
}
.upload-name {
  font-weight: 500;
  max-width: 24ch;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.tag-row {
  margin: 8px 0 4px;
}
.grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(190px, 1fr));
  gap: 12px;
  margin-top: 12px;
}
.media {
  margin: 0;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--bg);
}
.media .thumb {
  display: block;
  width: 100%;
  height: 150px;
  object-fit: contain;
  background: #00000014;
}
.media .thumb.none {
  display: grid;
  place-items: center;
  color: var(--muted);
}
.media figcaption {
  padding: 8px;
  display: grid;
  gap: 4px;
}

/* dialogs */
.dlg {
  width: min(560px, calc(100vw - 32px));
  max-height: calc(100vh - 32px);
  overflow: auto;
  color: var(--text);
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}
.dlg::backdrop {
  background: #00000066;
}

/* Library (G19) */
.tabs {
  display: flex;
  gap: 6px;
  flex-wrap: wrap;
  margin: 8px 0;
}
.tab.on {
  background: var(--accent);
  color: var(--accent-text);
  border-color: var(--accent);
}
.picker-list {
  display: grid;
  gap: 4px;
  max-height: 50vh;
  overflow: auto;
  margin-top: 8px;
}
.note.small {
  font-size: 0.85em;
}

/* sign-in (public page) */
.signed-out .layout,
.signed-out #banner,
.signed-out .top > :not(h1) {
  display: none;
}
.login {
  display: flex;
  justify-content: center;
  padding: 48px 16px;
}
.login[hidden] {
  display: none;
}
.login-form {
  display: grid;
  gap: 12px;
  width: min(100%, 22rem);
  padding: 20px;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.login-form label {
  display: grid;
  gap: 4px;
}
[hidden] {
  display: none !important;
}
.table-wrap {
  overflow-x: auto;
}
table.audit {
  border-collapse: collapse;
  width: 100%;
  font-size: 0.85rem;
}
table.audit th,
table.audit td {
  text-align: left;
  padding: 3px 8px;
  border-bottom: 1px solid var(--border);
  overflow-wrap: anywhere;
}