:root {
  --bg: #0e1116;
  --bg-elevated: #161b22;
  --bg-elevated-2: #1c232d;
  --surface: #1e2530;
  --border: #2a3340;
  --border-strong: #3a4553;
  --text: #e6edf3;
  --text-dim: #9aa7b4;
  --text-faint: #6b7885;
  --accent: #4f9dff;
  --accent-hover: #6cb0ff;
  --accent-soft: rgba(79, 157, 255, 0.15);
  --danger: #ff5c5c;
  --danger-hover: #ff7b7b;
  --danger-soft: rgba(255, 92, 92, 0.12);
  --success: #3fb950;
  --success-hover: #56d364;
  --success-soft: rgba(63, 185, 80, 0.15);
  --shadow: 0 8px 24px rgba(0, 0, 0, 0.45);
  --radius: 12px;
  --radius-sm: 8px;

  /* Shared column layout so item properties align vertically everywhere. */
  --col-main: minmax(84px, 1.3fr);
  --col-prop: minmax(56px, 1fr);
  --col-actions: 194px;
  --item-grid: var(--col-main) var(--col-prop) var(--col-prop) var(--col-prop) var(--col-actions);
}

* {
  box-sizing: border-box;
}

/* The HTML `hidden` attribute must win over component display rules
   (e.g. display: flex / inline-flex) used below. */
[hidden] {
  display: none !important;
}

html,
body {
  margin: 0;
  height: 100%;
}

body {
  background: radial-gradient(1200px 800px at 15% -10%, #16202c 0%, var(--bg) 55%);
  color: var(--text);
  font-family: "Segoe UI", system-ui, -apple-system, Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px;
  line-height: 1.4;
}

/* ---------- Buttons & fields ---------- */
.btn {
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated-2);
  color: var(--text);
  padding: 11px 18px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background 0.15s, border-color 0.15s, transform 0.05s;
}
.btn:hover {
  border-color: var(--accent);
}
.btn:active {
  transform: translateY(1px);
}
.btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #06121f;
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}
.btn-ghost {
  background: transparent;
}
.btn-sm {
  padding: 8px 14px;
  font-size: 13px;
}

.field {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 8px 10px;
  border-radius: var(--radius-sm);
  font-size: 13px;
  width: 100%;
}
.field:focus,
.login-input:focus,
.comment-input:focus,
.category-name:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
.field::placeholder {
  color: var(--text-faint);
}

.icon-btn {
  background: transparent;
  border: 2px solid transparent;
  color: var(--text-dim);
  width: 42px;
  height: 42px;
  border-radius: 9px;
  cursor: pointer;
  font-size: 19px;
  line-height: 1;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  transition: background 0.15s, color 0.15s, border-color 0.15s, transform 0.05s;
}
.icon-btn:hover {
  background: var(--bg-elevated-2);
  color: var(--text);
  border-color: var(--border);
}
.icon-btn:active {
  transform: translateY(1px);
}

/* Color-coded action buttons */
.js-flag {
  border-color: var(--danger);
  color: var(--danger);
}
.js-flag:hover {
  background: var(--danger-soft);
  border-color: var(--danger);
  color: var(--danger);
}
.js-flag.active {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}
.js-comment {
  border-color: var(--accent);
  color: var(--accent);
}
.js-comment:hover {
  background: var(--accent-soft);
  border-color: var(--accent);
  color: var(--accent);
}
.js-edit {
  background: var(--success);
  border-color: var(--success);
  color: #06210c;
}
.js-edit:hover {
  background: var(--success-hover);
  border-color: var(--success-hover);
  color: #06210c;
}
.js-delete,
.js-delete-category {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}
.js-delete:hover,
.js-delete-category:hover {
  background: var(--danger-hover);
  border-color: var(--danger-hover);
  color: #fff;
}

/* ---------- Login ---------- */
.login-view {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 24px;
}
.login-card {
  width: 100%;
  max-width: 360px;
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 32px 28px;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.login-title {
  margin: 0;
  font-size: 22px;
  letter-spacing: 0.3px;
}
.login-subtitle {
  margin: 0;
  color: var(--text-dim);
  font-size: 13px;
}
.login-input {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  padding: 11px 12px;
  border-radius: var(--radius-sm);
  font-size: 14px;
}
.login-btn {
  margin-top: 4px;
}
.login-error {
  margin: 0;
  color: var(--danger);
  font-size: 13px;
}

/* ---------- App shell ---------- */
.app-view {
  min-height: 100vh;
  display: flex;
  flex-direction: column;
}
.app-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 22px;
  border-bottom: 1px solid var(--border);
  background: rgba(14, 17, 22, 0.7);
  backdrop-filter: blur(8px);
  position: sticky;
  top: 0;
  z-index: 10;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.3px;
}
.brand-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--accent);
  box-shadow: 0 0 12px var(--accent);
}

.panes {
  flex: 1;
  display: grid;
  grid-template-columns: minmax(0, 1fr) minmax(0, 1fr);
  gap: 18px;
  padding: 18px 22px 28px;
  align-items: start;
}
@media (max-width: 1024px) {
  .panes {
    grid-template-columns: 1fr;
  }
}

.pane {
  background: var(--bg-elevated);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  min-height: 320px;
}
.pane-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 14px;
}
.pane-header-left {
  display: flex;
  align-items: center;
  gap: 10px;
}
.toggle-btn {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  border-color: var(--danger);
  color: var(--danger);
  white-space: nowrap;
}
.toggle-btn:hover {
  background: var(--danger-soft);
  border-color: var(--danger);
}
.toggle-btn.active {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}
.pane-title {
  margin: 0;
  font-size: 15px;
  text-transform: uppercase;
  letter-spacing: 1px;
  color: var(--text-dim);
}
.badge {
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 2px 10px;
  font-size: 12px;
  color: var(--text-dim);
}

/* ---------- Add item form ---------- */
.add-item-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
  margin-bottom: 14px;
}
.field-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 8px;
}

/* ---------- Column legend ---------- */
.column-legend {
  display: grid;
  grid-template-columns: var(--item-grid);
  gap: 10px;
  padding: 4px 12px 8px;
  font-size: 11px;
  text-transform: uppercase;
  letter-spacing: 0.6px;
  color: var(--text-faint);
  text-align: center;
}
.column-legend .legend-main {
  font-weight: 700;
  text-align: left;
}
.column-legend-sm {
  padding: 4px 10px 6px;
  font-size: 10px;
}

/* ---------- Item lists & cards ---------- */
.item-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
  min-height: 60px;
}
.category-list {
  min-height: 48px;
  padding: 4px;
  border: 1px dashed var(--border);
  border-radius: var(--radius-sm);
}

.item-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-left: 3px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 10px 12px;
  cursor: grab;
  transition: border-color 0.15s, box-shadow 0.15s;
}
.item-card:hover {
  border-color: var(--border-strong);
}
.item-card.flagged {
  border: 1px solid var(--danger);
  border-left: 3px solid var(--danger);
  box-shadow: 0 0 0 1px var(--danger-soft), 0 0 14px var(--danger-soft);
}
.item-row {
  display: grid;
  grid-template-columns: var(--item-grid);
  gap: 10px;
  align-items: center;
}
.item-main {
  font-size: 15px;
  font-weight: 700;
  color: var(--text);
  word-break: break-word;
}
.item-prop {
  color: var(--text-dim);
  font-size: 13px;
  font-variant-numeric: tabular-nums;
  word-break: break-word;
  text-align: center;
}
.item-prop:empty::before {
  content: "—";
  color: var(--text-faint);
}
.item-actions {
  display: flex;
  gap: 6px;
  justify-content: flex-end;
}

/* Edit mode inputs replacing the static values */
.item-card.editing .item-main,
.item-card.editing .item-prop {
  padding: 0;
}
.edit-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--accent);
  color: var(--text);
  border-radius: 6px;
  padding: 5px 7px;
  font-size: 13px;
}

/* Comment area */
.item-comment {
  margin-top: 10px;
  border-top: 1px solid var(--border);
  padding-top: 10px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.comment-input {
  width: 100%;
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text);
  border-radius: var(--radius-sm);
  padding: 8px 10px;
  resize: vertical;
  font-family: inherit;
  font-size: 13px;
}
.comment-actions {
  display: flex;
  gap: 8px;
}

/* ---------- Categories ---------- */
.categories {
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.category {
  background: var(--bg-elevated-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  padding: 12px;
}
.category-header {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
}
.category-name {
  flex: 1;
  background: transparent;
  border: 1px solid transparent;
  color: var(--text);
  font-size: 15px;
  font-weight: 700;
  padding: 6px 8px;
  border-radius: 6px;
}
.category-name:hover {
  border-color: var(--border);
  background: var(--bg);
}

/* ---------- Drag states ---------- */
.sortable-ghost {
  opacity: 0.4;
}
.sortable-chosen {
  cursor: grabbing;
}
.drag-over {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px var(--accent-soft);
}

.empty-hint {
  color: var(--text-faint);
  font-size: 12px;
  text-align: center;
  padding: 12px;
  font-style: italic;
}

/* ---------- Pool pagination (tablet) ---------- */
.pool-pagination {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin-top: 14px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}
.page-btn {
  width: 52px;
  height: 44px;
  font-size: 20px;
  font-weight: 700;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated-2);
  color: var(--text);
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, opacity 0.15s;
}
.page-btn:hover:not(:disabled) {
  border-color: var(--accent);
  background: var(--surface);
}
.page-btn:disabled {
  opacity: 0.35;
  cursor: default;
}
.page-indicator {
  font-size: 14px;
  font-weight: 600;
  color: var(--text-dim);
  min-width: 110px;
  text-align: center;
}

/* ---------- Paginated mode (set by JS via body.paginated) ---------- */
/* Pagination arrows pinned to the bottom of the screen. */
body.paginated .pool-pagination {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  margin: 0;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
  background: rgba(14, 17, 22, 0.92);
  backdrop-filter: blur(8px);
  z-index: 30;
}
/* Keep the last item clear of the fixed bar. */
body.paginated .pane-left {
  padding-bottom: 84px;
}

/* ---------- Tablet / touch layout ---------- */
/* Applies on narrow screens OR touch devices (tablets in landscape can be
   wider than 1024px), matching the pagination logic in app.js. */
@media (max-width: 1024px), (pointer: coarse) {
  /* Categories become a tall, scroll-friendly area with a large scrollbar. */
  .categories {
    max-height: 70vh;
    overflow-y: auto;
    padding-right: 10px;
    scrollbar-width: auto;
    scrollbar-color: var(--border-strong) transparent;
  }
  .categories::-webkit-scrollbar {
    width: 16px;
  }
  .categories::-webkit-scrollbar-track {
    background: var(--bg);
    border-radius: 999px;
  }
  .categories::-webkit-scrollbar-thumb {
    background: var(--border-strong);
    border: 4px solid var(--bg);
    border-radius: 999px;
  }
  .categories::-webkit-scrollbar-thumb:hover {
    background: var(--accent);
  }
}

/* ---------- Phone layout ---------- */
@media (max-width: 620px) {
  .field-grid {
    grid-template-columns: 1fr;
  }
  .app-header {
    padding: 12px 14px;
  }
  .panes {
    padding: 14px 12px 24px;
  }
}