/* Full light palette on bare :root. Dark tokens are redefined in BOTH the
   media query (for "System") and the [data-theme="dark"] selector (explicit
   choice) — never define a colour only inside a media/attr block. */
:root {
  color-scheme: light dark;
  --fg: #1c1c1e;
  --muted: #6b6b70;
  --bg: #fafafa;
  --card: #ffffff;
  --accent: #3b82f6;
  --border: #e2e2e5;
  --error: #dc2626;
  --ok: #16a34a;
  --down: #dc2626;
  --pending: #9a9aa0;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    color-scheme: dark;
    --fg: #ececed;
    --muted: #9a9aa0;
    --bg: #161618;
    --card: #1e1e21;
    --border: #2c2c30;
    --ok: #22c55e;
    --down: #f87171;
    --pending: #6b6b70;
  }
}

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

:root[data-theme="dark"] {
  color-scheme: dark;
  --fg: #ececed;
  --muted: #9a9aa0;
  --bg: #161618;
  --card: #1e1e21;
  --border: #2c2c30;
  --ok: #22c55e;
  --down: #f87171;
  --pending: #6b6b70;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font: 15px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
  color: var(--fg);
  background: var(--bg);
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

/* --- top bar --------------------------------------------------------- */

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 20px;
  border-bottom: 1px solid var(--border);
  gap: 12px;
}

.brand {
  font-weight: 700;
  letter-spacing: 0.02em;
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

/* Backend health: a small status dot, detail in the title tooltip. */
.status-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
  background: var(--pending);
}

.status-dot.ok {
  background: var(--ok);
}

.status-dot.down {
  background: var(--down);
}

.status-dot.pending {
  background: var(--pending);
}

/* Compact language / theme dropdowns in the top bar. */
select.switcher {
  padding: 4px 24px 4px 8px;
  font: inherit;
  font-size: 12px;
  color: var(--muted);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M1 1l4 4 4-4' stroke='%23888' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 8px center;
}

select.switcher:hover {
  border-color: var(--accent);
}

select.switcher option {
  color: var(--fg);
  background: var(--card);
}

/* Segmented colour-scheme switch: three connected icon buttons. */
.seg {
  display: inline-flex;
  align-items: stretch;
  border: 1px solid var(--border);
  border-radius: 8px;
  overflow: hidden;
}

.seg button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 4px 7px;
  border: none;
  border-radius: 0;
  border-left: 1px solid var(--border);
  background: transparent;
  color: var(--muted);
  cursor: pointer;
}

.seg button:first-child {
  border-left: none;
}

.seg button:hover {
  color: var(--fg);
}

.seg button.active {
  background: var(--accent);
  color: #fff;
}

.seg .ico {
  display: block;
}

/* --- layout --------------------------------------------------------- */

.container {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 20px;
}

h1 {
  font-size: 20px;
  margin: 0 0 8px;
}

h2 {
  font-size: 16px;
  margin: 24px 0 8px;
}

.muted {
  color: var(--muted);
  font-size: 13px;
}

.desc {
  color: var(--muted);
  margin: 2px 0;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.empty {
  color: var(--muted);
  padding: 24px 0;
  text-align: center;
}

/* --- breadcrumbs --------------------------------------------------- */

.crumbs {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 12px;
}

.crumb {
  display: inline-flex;
  align-items: center;
}

.crumb-sep {
  margin: 0 6px;
}

.crumb-home {
  display: inline-flex;
  align-items: center;
  color: var(--muted);
}

.crumb-home:hover {
  color: var(--accent);
}

.crumbs .ico {
  display: block;
}

/* --- buttons ------------------------------------------------------- */

button {
  padding: 8px 14px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--accent);
  color: #fff;
  cursor: pointer;
  font: inherit;
}

button:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

button.ghost {
  background: transparent;
  color: var(--fg);
  border-color: var(--border);
  padding: 5px 10px;
  font-size: 13px;
}

button.danger {
  background: var(--error);
}

button.ghost.danger {
  background: transparent;
  color: var(--error);
}

button.remove {
  background: transparent;
  color: var(--muted);
  border: none;
  padding: 0 8px;
  font-size: 18px;
}

.btn-link {
  display: inline-block;
  padding: 8px 14px;
  border: 1px solid var(--border);
  border-radius: 8px;
  text-align: center;
}

.btn-link:hover {
  text-decoration: none;
  border-color: var(--accent);
}

/* Icon-only actions (edit / delete) in a row's action cluster. */
button.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px;
  background: transparent;
  border: 1px solid transparent;
  border-radius: 8px;
  color: var(--muted);
}

button.icon-btn:hover {
  color: var(--accent);
  border-color: var(--border);
}

button.icon-btn.danger {
  background: transparent;
}

button.icon-btn.danger:hover {
  color: var(--error);
}

.icon-btn .ico {
  display: block;
}

button.add-toggle {
  margin: 16px 0 24px;
}

/* Every text button in a row action cluster (Save / Cancel, submit or not,
   ghost or not) renders in one identical box — only colour/background differ.
   `:not(.icon-btn)` keeps the icon-only edit/delete buttons out of it and beats
   the specificity of `button.ghost`. */
.row-actions button:not(.icon-btn) {
  padding: 6px 12px;
  font-size: 13px;
  line-height: 1.5;
  border-width: 1px;
}

/* --- forms ------------------------------------------------------- */

.stacked-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin: 16px 0 24px;
  padding: 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  background: var(--card);
}

.stacked-form input,
.stacked-form textarea,
.row-form input,
.row-form textarea,
.share-row input {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: transparent;
  color: inherit;
  font: inherit;
  width: 100%;
}

.stacked-form textarea,
.row-form textarea {
  min-height: 60px;
  resize: vertical;
}

.stacked-form button {
  align-self: flex-start;
}

.field-error {
  color: var(--error);
  font-size: 12px;
  margin: 0;
}

/* --- lists / rows --------------------------------------------------- */

.items {
  list-style: none;
  padding: 0;
  margin: 0;
}

.row {
  position: relative;
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  padding: 12px 4px;
  border-bottom: 1px solid var(--border);
}

.row-main {
  min-width: 0;
  flex: 1;
}

/* --- drag & drop reordering ------------------------------------------ */

.row[draggable="true"],
.card-row[draggable="true"] {
  cursor: grab;
}

.row[draggable="true"]:active,
.card-row[draggable="true"]:active {
  cursor: grabbing;
}

.row.dragging,
.card-row.dragging {
  opacity: 0.4;
}

.row.drop-before::before,
.card-row.drop-before::before {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  top: -1px;
  height: 2px;
  background: var(--accent);
}

.grip {
  display: inline-flex;
  align-items: center;
  flex-shrink: 0;
  padding-top: 2px;
  color: var(--muted);
  cursor: grab;
}

.grip .ico {
  display: block;
}

.row-title {
  font-weight: 600;
}

.row-actions {
  display: flex;
  gap: 6px;
  flex-shrink: 0;
  flex-wrap: wrap;
  justify-content: flex-end;
}

/* The unified in-place row-form, used for both create and edit. */
.row-form {
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: 100%;
}

/* Create uses the same form as edit, rendered as a faint "blueprint" row
   pinned to the top of the list. */
.row.blueprint {
  border: 1px dashed var(--border);
  border-radius: 10px;
  padding: 12px;
  margin-bottom: 10px;
}

.row-form-hint {
  align-self: flex-start;
  font-size: 11px;
  font-weight: 700;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  color: var(--muted);
  opacity: 0.7;
}

.row-form-hint::before {
  content: "+ ";
}

.badge {
  display: inline-block;
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

/* --- tags -------------------------------------------------------- */

.tag-filter {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  margin: 12px 0;
  background: var(--card);
}

.tag-filter-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 8px;
}

.tag-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 4px 0;
}

button.tag-chip {
  padding: 3px 10px;
  font-size: 12px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--fg);
  line-height: 1.6;
}

button.tag-chip:hover {
  border-color: var(--accent);
}

button.tag-chip.selected {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}

button.tag-chip.clear {
  color: var(--muted);
}

button.tag-chip.mini {
  padding: 1px 8px;
  font-size: 11px;
}

/* --- cards -------------------------------------------------------- */

.cards {
  list-style: none;
  padding: 0;
  margin: 0;
}

.card-row {
  position: relative;
  display: grid;
  grid-template-columns: auto 1fr 1fr auto;
  gap: 10px;
  padding: 10px 4px;
  border-bottom: 1px solid var(--border);
  align-items: start;
}

.card-side {
  white-space: pre-wrap;
  word-break: break-word;
}

.pager {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  margin-top: 16px;
}

/* --- deck settings ---------------------------------------------- */

.deck-settings {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 16px;
  background: var(--card);
  margin: 12px 0;
}

.deck-settings h2 {
  margin-top: 0;
}

.toggle {
  display: flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
}

.toggle input {
  width: auto;
}

.share {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}

.share-row {
  display: flex;
  gap: 8px;
}

.share-row button {
  flex-shrink: 0;
}

/* --- bulk add -------------------------------------------------- */

.bulk {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  margin-bottom: 24px;
  background: var(--card);
}

.bulk summary {
  cursor: pointer;
  font-weight: 600;
}

.bulk .stacked-form {
  margin-bottom: 0;
  border: none;
  padding: 12px 0 0;
  background: transparent;
}

/* --- login --------------------------------------------------- */

.login-methods {
  display: flex;
  flex-direction: column;
  gap: 12px;
  max-width: 340px;
}

.login-methods .or {
  text-align: center;
  color: var(--muted);
  font-size: 13px;
  margin: 0;
}

.login-methods .stacked-form {
  margin: 0;
}

.notice {
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--card);
  font-size: 13px;
}

/* --- public deck catalogue (logged-out home) ----------------- */

.public-cards {
  list-style: none;
  padding: 0;
  margin: 16px 0 0;
  display: grid;
  gap: 12px;
}

.public-card {
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px 16px;
  background: var(--card);
}

.public-card .row-title {
  display: inline-block;
}

.desc.wrap {
  white-space: normal;
  overflow: visible;
}

/* --- misc --------------------------------------------------- */

.banner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 8px 12px;
  border: 1px solid var(--error);
  border-radius: 8px;
  color: var(--error);
  font-size: 13px;
  margin: 12px 0;
}

.error {
  color: var(--error);
  font-size: 13px;
}

.method-links {
  display: flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
  margin-top: 12px;
}

.danger-zone {
  margin-top: 24px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}