/* ═══════════════════════════════════════════════════════════
   Panel Framework — Shared styles for all framework panels
   ═══════════════════════════════════════════════════════════ */

/* ── Panel Container ─────────────────────────────────────── */
.pf-panel {
  position: fixed;
  top: var(--header-h);
  right: -100%;
  width: 100%;
  max-width: 420px;
  bottom: 0;
  z-index: 150;
  background: var(--app-bg);
  border-left: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  transition: right .3s ease, max-width .3s ease, width .3s ease;
  overflow: hidden;
}
.pf-panel.open { right: 0; }

/* ── Expanded State (desktop only) ───────────────────────── */
@media(min-width:768px) {
  .pf-panel.pf-expanded {
    /* 78% of viewport, but never squeeze chat below 320px */
    max-width: min(78vw, calc(100vw - 320px)) !important;
    width: min(78vw, calc(100vw - 320px)) !important;
  }
  /* ── Fullscreen State (desktop only) ───────────────────── */
  .pf-panel.pf-fullscreen {
    max-width: 100vw !important;
    width: 100vw !important;
    left: 0 !important;
    right: 0 !important;
    z-index: 200 !important;
  }
  /* Hide resize handle in fullscreen — no point resizing */
  .pf-panel.pf-fullscreen .pf-resize-handle {
    display: none !important;
  }
}

/* ── When expanded OR chat too narrow, force mobile thread bar on desktop ── */
body.pf-panel-expanded .thread-mobile-bar,
body.pf-chat-narrow .thread-mobile-bar {
  display: flex !important;
}
body.pf-panel-expanded .thread-sidebar {
  width: 0 !important;
  min-width: 0 !important;
  border-right: none !important;
  overflow: hidden !important;
}
body.pf-panel-expanded .thread-open-float,
body.pf-panel-expanded .thread-info-badge {
  display: none !important;
}

/* ── Backdrop ────────────────────────────────────────────── */
.pf-backdrop {
  position: fixed;
  top: var(--header-h);
  left: 0; right: 0; bottom: 0;
  z-index: 140;
  background: rgba(0,0,0,.5);
  display: none;
}
.pf-backdrop.open { display: block; }
@media(min-width:768px) { .pf-backdrop { display: none !important; } }

/* ── Resize Handle ───────────────────────────────────────── */
.pf-resize-handle {
  display: none;
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 6px;
  cursor: col-resize;
  z-index: 10;
}
@media(min-width:768px) { .pf-resize-handle { display: block; } }
.pf-resize-handle:hover { background: var(--accent); opacity: .3; }
/* While dragging the resize handle, stop iframes (e.g. the live browser view) from
   swallowing mousemove/mouseup so the drag stays smooth and releases anywhere. */
body.pf-resizing iframe { pointer-events: none !important; }

/* ── Header ──────────────────────────────────────────────── */
.pf-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
  min-height: 52px;
}
.pf-header-title {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 16px;
  font-weight: 600;
  color: var(--text);
  margin: 0;
}
.pf-header-title svg {
  width: 20px;
  height: 20px;
  flex-shrink: 0;
  color: var(--accent);
}
.pf-header-actions {
  display: flex;
  align-items: center;
  gap: 6px;
}
.pf-header-sep {
  width: 1px;
  height: 16px;
  background: var(--border);
  margin: 0 4px;
  align-self: center;
}
.pf-nav-group {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
  padding-left: 10px;
  border-left: 1px solid var(--border);
}
.pf-close-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  transition: color .15s, border-color .15s;
  -webkit-tap-highlight-color: transparent;
}
.pf-close-btn:hover { color: var(--text); border-color: var(--border-strong); }

/* ── Expand/Collapse + Fullscreen Buttons ────────────────── */
.pf-expand-btn,
.pf-fullscreen-btn {
  background: none;
  border: 1px solid var(--border);
  color: var(--text-dim);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  cursor: pointer;
  display: none; /* hidden on mobile — fullscreen/expand are desktop-only concepts */
  align-items: center;
  justify-content: center;
  transition: color .15s, border-color .15s;
  -webkit-tap-highlight-color: transparent;
}
.pf-expand-btn:hover,
.pf-fullscreen-btn:hover { color: var(--text); border-color: var(--border-strong); }
@media(min-width:768px) {
  .pf-expand-btn,
  .pf-fullscreen-btn { display: flex; }
}

/* ── Body ────────────────────────────────────────────────── */
.pf-body {
  flex: 1;
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}

/* ── Mobile fullwidth ────────────────────────────────────── */
@media(max-width:600px) {
  .pf-panel { z-index: 150 !important; max-width: 100% !important; width: 100% !important; }
}

/* ═══════════════════════════════════════════════════════════
   Shared UI Components — oscar-ui
   ═══════════════════════════════════════════════════════════ */

/* ── Tabs ────────────────────────────────────────────────── */
.ou-tabs {
  scrollbar-width: none;
  display: flex;
  border-bottom: 1px solid var(--border);
  padding: 0 16px;
  gap: 0;
  flex-shrink: 0;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.ou-tabs::-webkit-scrollbar { display: none; }
.ou-tab {
  padding: 10px 16px;
  font-size: 13px;
  font-weight: 500;
  color: var(--text-dim);
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  white-space: nowrap;
  transition: color .15s, border-color .15s;
  -webkit-tap-highlight-color: transparent;
}
.ou-tab:hover { color: var(--text); }
.ou-tab.active { color: var(--accent); border-bottom-color: var(--accent); }
.ou-tab-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  margin-left: 6px;
  font-size: 11px;
  font-weight: 600;
  background: var(--surface);
  color: var(--text-dim);
  border-radius: 9px;
}
.ou-tab.active .ou-tab-badge { background: var(--accent-tint); color: var(--accent); }
.ou-tab-badge-danger { background: var(--danger-tint); color: var(--danger); }
.ou-tab.active .ou-tab-badge-danger { background: var(--danger-tint); color: var(--danger); }

/* ── Toolbar / Action Bar ────────────────────────────────── */
.ou-toolbar {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.ou-toolbar-spacer { flex: 1; }

/* ── Search ──────────────────────────────────────────────── */
.ou-search {
  flex: 1;
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0 10px;
  height: 36px;
}
.ou-search input {
  flex: 1;
  background: none;
  border: none;
  color: var(--text);
  font-size: 13px;
  outline: none;
}
.ou-search input::placeholder { color: var(--text-dim); }
.ou-search svg { width: 16px; height: 16px; color: var(--text-dim); flex-shrink: 0; }

/* ── Buttons ─────────────────────────────────────────────── */
.ou-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 8px 14px;
  font-size: 13px;
  font-weight: 500;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--surface);
  color: var(--text);
  cursor: pointer;
  white-space: nowrap;
  transition: background .15s, border-color .15s, color .15s;
  -webkit-tap-highlight-color: transparent;
  line-height: 1.2;
}
.ou-btn:hover { border-color: var(--border-strong); }
.ou-btn svg { width: 16px; height: 16px; }
.ou-btn-primary {
  background: var(--accent);
  border-color: var(--accent);
  color: var(--text-on-accent);
  font-weight: 600;
}
.ou-btn-primary:hover { filter: brightness(1.1); border-color: var(--accent); }
.ou-btn-danger {
  background: none;
  border-color: var(--danger);
  color: var(--danger);
}
.ou-btn-danger:hover { background: var(--danger-tint); }
.ou-btn-sm { padding: 5px 10px; font-size: 12px; border-radius: 6px; }
.ou-btn-sm svg { width: 14px; height: 14px; }
.ou-btn-xs { padding: 3px 8px; font-size: 11px; border-radius: 4px; }
.ou-btn-xs svg { width: 12px; height: 12px; }
.ou-btn-icon {
  padding: 6px;
  width: 32px;
  height: 32px;
}
.ou-btn-ghost {
  background: none;
  border-color: transparent;
}
.ou-btn-ghost:hover { background: var(--surface); border-color: var(--border); }

/* ── Data Table ──────────────────────────────────────────── */
.ou-table-wrap {
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.ou-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;
}
.ou-table th {
  text-align: left;
  padding: 10px 16px;
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .05em;
  color: var(--text-dim);
  border-bottom: 1px solid var(--border);
  white-space: nowrap;
  cursor: default;
  user-select: none;
}
.ou-table th.sortable { cursor: pointer; }
.ou-table th.sortable:hover { color: var(--text); }
.ou-table th .sort-arrow { margin-left: 4px; opacity: .4; }
.ou-table th.sorted .sort-arrow { opacity: 1; color: var(--accent); }
.ou-table td {
  padding: 10px 16px;
  border-bottom: 1px solid var(--border);
  color: var(--text);
  vertical-align: middle;
}
.ou-table tr:last-child td { border-bottom: none; }
.ou-table tr:hover td { background: rgba(255,255,255,.02); }
.ou-table .cell-secondary { color: var(--text-dim); font-size: 12px; }
.ou-table .cell-actions { display: flex; gap: 4px; justify-content: flex-end; }

/* ── Status Badges ───────────────────────────────────────── */
.ou-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 3px 10px;
  font-size: 11px;
  font-weight: 600;
  border-radius: 12px;
  white-space: nowrap;
  line-height: 1.4;
}
.ou-badge-default { background: var(--surface); color: var(--text-dim); }
.ou-badge-info    { background: var(--info-tint);    color: var(--info); }
.ou-badge-success { background: var(--success-tint); color: var(--success); }
.ou-badge-warning { background: var(--warning-tint); color: var(--warning); }
.ou-badge-danger  { background: var(--danger-tint);  color: var(--danger); }
.ou-badge-dot {
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: currentColor;
}

/* ── Cards ───────────────────────────────────────────────── */
.ou-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.ou-card-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}
.ou-card-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
.ou-card-body { padding: 16px; }
.ou-card-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 12px 16px;
  border-top: 1px solid var(--border);
}

/* ── Stat Cards ──────────────────────────────────────────── */
.ou-stats-row {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(100px, 1fr));
  gap: 10px;
  padding: 16px;
}
.ou-stat {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px;
  text-align: center;
}
.ou-stat-value {
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  line-height: 1.2;
}
.ou-stat-label {
  font-size: 11px;
  color: var(--text-dim);
  margin-top: 2px;
  text-transform: uppercase;
  letter-spacing: .03em;
}

/* ── Form Elements ───────────────────────────────────────── */
.ou-form-group { margin-bottom: 16px; }
.ou-form-group:last-child { margin-bottom: 0; }
.ou-label {
  display: block;
  font-size: 12px;
  font-weight: 600;
  color: var(--text-dim);
  margin-bottom: 6px;
  text-transform: uppercase;
  letter-spacing: .03em;
}
.ou-input, .ou-select, .ou-textarea {
  width: 100%;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  transition: border-color .15s;
  font-family: inherit;
}
.ou-input:focus, .ou-select:focus, .ou-textarea:focus {
  border-color: var(--accent);
}
.ou-input::placeholder, .ou-textarea::placeholder { color: var(--text-dim); }
.ou-textarea { resize: vertical; min-height: 80px; }
.ou-select {
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23888'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}
.ou-select option { background: var(--bg); color: var(--text); }


/* ── Searchable Select ───────────────────────────────────── */
.ou-search-select { position: relative; }
.ou-search-select-trigger {
  width: 100%;
  padding: 9px 12px;
  font-size: 14px;
  color: var(--text);
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: none;
  text-align: left;
  cursor: pointer;
  font-family: inherit;
  transition: border-color .15s;
  appearance: none;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' fill='%23888'%3E%3Cpath d='M2 4l4 4 4-4'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 10px center;
  padding-right: 30px;
}
.ou-search-select-trigger:hover { border-color: var(--accent); }
.ou-search-select-trigger.ou-placeholder { color: var(--text-dim); }
.ou-search-select-dropdown {
  display: none;
  position: absolute;
  top: calc(100% + 2px);
  left: 0; right: 0;
  z-index: 100;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  box-shadow: 0 8px 24px rgba(0,0,0,.35);
  overflow: hidden;
}
.ou-search-select-dropdown.open { display: block; }
.ou-search-select-search {
  width: 100%;
  padding: 9px 12px;
  font-size: 13px;
  color: var(--text);
  background: var(--bg);
  border: none;
  border-bottom: 1px solid var(--border);
  outline: none;
  font-family: inherit;
}
.ou-search-select-search::placeholder { color: var(--text-dim); }
.ou-search-select-options {
  max-height: 200px;
  overflow-y: auto;
}
.ou-search-select-option {
  padding: 8px 12px;
  font-size: 13px;
  color: var(--text);
  cursor: pointer;
  transition: background .1s;
}
.ou-search-select-option:hover { background: var(--accent-tint); }
.ou-search-select-option.selected { background: rgba(59,125,216,.08); font-weight: 500; }
.ou-search-select-empty {
  padding: 12px;
  font-size: 13px;
  color: var(--text-dim);
  text-align: center;
}
/* Toggle switch */
.ou-toggle {
  position: relative;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
}
.ou-toggle input { display: none; }
.ou-toggle-track {
  width: 38px;
  height: 22px;
  border-radius: 11px;
  background: var(--border);
  position: relative;
  transition: background .2s;
  flex-shrink: 0;
}
.ou-toggle input:checked + .ou-toggle-track { background: var(--accent); }
.ou-toggle-track::after {
  content: '';
  position: absolute;
  top: 3px; left: 3px;
  width: 16px; height: 16px;
  border-radius: 50%;
  background: var(--text-on-accent);
  transition: transform .2s;
}
.ou-toggle input:checked + .ou-toggle-track::after { transform: translateX(16px); }
.ou-toggle-label { font-size: 13px; color: var(--text); }

/* Checkbox */
.ou-checkbox {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  cursor: pointer;
  user-select: none;
  font-size: 13px;
  color: var(--text);
}
.ou-checkbox input[type="checkbox"] {
  width: 18px;
  height: 18px;
  accent-color: var(--accent);
  flex-shrink: 0;
}

/* ── Form Row (inline fields) ────────────────────────────── */
.ou-form-row {
  display: flex;
  gap: 12px;
}
.ou-form-row .ou-form-group { flex: 1; }

/* ── Modal ───────────────────────────────────────────────── */
.ou-modal-overlay {
  position: fixed;
  top: 0; left: 0; right: 0; bottom: 0;
  background: rgba(0,0,0,.6);
  z-index: 300;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 20px;
  opacity: 0;
  visibility: hidden;
  transition: opacity .2s, visibility .2s;
}
.ou-modal-overlay.open { opacity: 1; visibility: visible; }
.ou-modal {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 12px;
  width: 100%;
  max-width: 500px;
  max-height: 80vh;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  transform: scale(.95);
  transition: transform .2s;
}
.ou-modal-overlay.open .ou-modal { transform: scale(1); }
.ou-modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 20px;
  border-bottom: 1px solid var(--border);
}
.ou-modal-title { font-size: 16px; font-weight: 600; color: var(--text); }
.ou-modal-body { padding: 20px; overflow-y: auto; flex: 1; }
.ou-modal-footer {
  display: flex;
  align-items: center;
  justify-content: flex-end;
  gap: 8px;
  padding: 14px 20px;
  border-top: 1px solid var(--border);
}

/* ── Empty State ─────────────────────────────────────────── */
.ou-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: 48px 24px;
  text-align: center;
}
.ou-empty svg { width: 48px; height: 48px; color: var(--text-dim); opacity: .4; margin-bottom: 16px; }
.ou-empty-title { font-size: 15px; font-weight: 600; color: var(--text); margin-bottom: 6px; }
.ou-empty-desc { font-size: 13px; color: var(--text-dim); max-width: 240px; line-height: 1.5; }
.ou-empty .ou-btn { margin-top: 16px; }

/* ── Loading ─────────────────────────────────────────────── */
.ou-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 32px;
}
.ou-spinner {
  width: 24px;
  height: 24px;
  border: 2px solid var(--border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: ou-spin .6s linear infinite;
}
@keyframes ou-spin { to { transform: rotate(360deg); } }

/* ── List Items ──────────────────────────────────────────── */
.ou-list-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: background .1s;
  -webkit-tap-highlight-color: transparent;
}
.ou-list-item:last-child { border-bottom: none; }
.ou-list-item:hover { background: rgba(255,255,255,.02); }
.ou-list-item:active { background: rgba(255,255,255,.05); }
.ou-list-item-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}
.ou-list-item-icon svg { width: 18px; height: 18px; color: var(--accent); }
.ou-list-item-body { flex: 1; min-width: 0; }
.ou-list-item-title { font-size: 14px; font-weight: 500; color: var(--text); }
.ou-list-item-subtitle { font-size: 12px; color: var(--text-dim); margin-top: 1px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ou-list-item-right { display: flex; align-items: center; gap: 6px; flex-shrink: 0; }

/* ── Section Headers ─────────────────────────────────────── */
.ou-section-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 12px 16px 8px;
}
.ou-section-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: .06em;
  color: var(--text-dim);
}

/* ── Divider ─────────────────────────────────────────────── */
.ou-divider { height: 1px; background: var(--border); margin: 0; }

/* ── Pipeline / Kanban ───────────────────────────────────── */
.ou-pipeline {
  display: flex;
  gap: 2px;
  padding: 16px;
  overflow-x: auto;
  -webkit-overflow-scrolling: touch;
}
.ou-pipeline-stage {
  flex: 1;
  min-width: 140px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow: hidden;
}
.ou-pipeline-stage-header {
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.ou-pipeline-stage-title { font-size: 14px; font-weight: 600; color: var(--text); }
.ou-pipeline-stage-count {
  font-size: 12px;
  font-weight: 600;
  background: rgba(255,255,255,.06);
  color: var(--text-dim);
  padding: 2px 8px;
  border-radius: 10px;
}
.ou-pipeline-stage-body { padding: 8px; display: flex; flex-direction: column; gap: 6px; }
.ou-pipeline-card {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 10px;
  cursor: grab;
  transition: border-color .15s;
}
.ou-pipeline-card:hover { border-color: var(--accent); }
.ou-pipeline-card:active { cursor: grabbing; }
.ou-pipeline-card[draggable="true"] { user-select: none; -webkit-user-select: none; }
.ou-pipeline-stage-body.drag-over {
  background: var(--accent-tint) !important;
  outline: 2px dashed var(--accent);
  outline-offset: -2px;
  border-radius: 6px;
  min-height: 80px;
}
.ou-pipeline-card-name { font-size: var(--fs-lg); font-weight: 500; color: var(--text); }
.ou-pipeline-card-meta { font-size: var(--fs-sm); color: var(--text-dim); margin-top: var(--space-1); }

/* ── Kanban (OscarUI.kanban) ─────────────────────────────── */
/* Tasks' interaction engine on shared classes. Token-based, zero hardcoded colors. */
.ou-kanban {
  display: flex;
  gap: var(--space-2);
  padding: var(--space-2);
  overflow-x: auto;
  overflow-y: auto;
  flex: 1;
  align-items: flex-start;
  -webkit-overflow-scrolling: touch;
}
.ou-kanban.ou-kanban-narrow { flex-direction: column; align-items: stretch; }
.ou-kanban-col {
  min-width: 180px;
  max-width: 260px;
  flex: 1;
  background: var(--overlay-1);
  border: 1px solid var(--overlay-1);
  border-radius: var(--radius-lg);
  display: flex;
  flex-direction: column;
  transition: outline .15s, background .15s;
}
.ou-kanban-col.drag-over {
  outline: 2px dashed var(--accent);
  outline-offset: -2px;
  background: var(--accent-tint);
}
.ou-kanban-col.lane-drag-over-left { border-left: 3px solid var(--accent); }
.ou-kanban-col.lane-drag-over-right { border-right: 3px solid var(--accent); }
.ou-kanban-col.collapsed .ou-kanban-col-header { border-bottom: none; }
.ou-kanban-col-header {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) 10px;
  border-bottom: 1px solid var(--overlay-1);
  user-select: none;
}
.ou-kanban-col-header:active { cursor: grabbing; }
.ou-kanban-col-dot { flex-shrink: 0; }
.ou-kanban-col-title {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text);
  flex: 1;
  cursor: pointer;
}
.ou-kanban-col-count {
  font-size: var(--fs-xs);
  color: var(--text-dim);
  background: var(--overlay-2);
  padding: 1px 6px;
  border-radius: var(--radius-lg);
}
.ou-kanban-col-toggle { opacity: .4; width: 22px; height: 22px; }
.ou-kanban-col-header:hover .ou-kanban-col-toggle { opacity: 1; }
.ou-kanban-cards {
  padding: var(--space-1);
  display: flex;
  flex-direction: column;
  gap: var(--space-1);
  overflow-y: auto;
  min-height: 40px;
  transition: background .15s, outline-color .15s;
  border-radius: 0 0 var(--radius-lg) var(--radius-lg);
}
.ou-kanban-cards.drag-over {
  background: var(--accent-tint);
  outline: 2px dashed var(--accent);
  outline-offset: -2px;
}
.ou-kanban-card {
  padding: var(--space-2) 10px;
  background: var(--surface-2);
  border: 1px solid var(--overlay-2);
  border-radius: var(--radius);
  cursor: pointer;
  transition: background .15s, border-color .15s;
  border-left: 3px solid transparent;
  position: relative;
}
.ou-kanban-card:hover { background: var(--overlay-2); border-color: var(--overlay-3); }
.ou-kanban-narrow .ou-kanban-card { border-left-width: 1px; }
.ou-kanban-add {
  margin-top: var(--space-1);
  padding: var(--space-1) var(--space-2);
  background: none;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  color: var(--text-dim);
  font-size: var(--fs-sm);
  font-family: inherit;
  cursor: pointer;
  transition: color .15s, border-color .15s;
}
.ou-kanban-add:hover { color: var(--text); border-color: var(--border-strong); }
.ou-kanban-drag-ghost {
  position: fixed;
  pointer-events: none;
  z-index: 9999;
  opacity: .9;
  transform: rotate(1.5deg);
  box-shadow: var(--shadow-2);
  border: 2px solid var(--accent);
  border-radius: var(--radius);
}

/* ── Back button (OscarUI.backButton) ────────────────────── */
.ou-back-btn,
.ou-icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: var(--radius);
  border: none;
  background: transparent;
  color: var(--text-dim);
  cursor: pointer;
  flex-shrink: 0;
  transition: background .15s, color .15s;
}
.ou-back-btn:hover,
.ou-icon-btn:hover { background: var(--overlay-3); color: var(--text); }
.ou-back-btn svg,
.ou-icon-btn svg { width: 16px; height: 16px; }
.ou-icon-btn.active { background: var(--accent-tint); color: var(--accent); }
.ou-icon-btn-danger:hover { background: var(--danger-tint); color: var(--danger); }

/* ── Status dot (OscarUI.statusDot) ──────────────────────── */
.ou-status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: var(--radius-pill);
  background: var(--c, var(--text-faint));
  flex-shrink: 0;
}

/* ── Sub-header (OscarUI.subHeader) ───────────────────────── */
.ou-subheader {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  margin: var(--space-2) 0 var(--space-3);
  flex-wrap: wrap;
  row-gap: var(--space-2);
}
.ou-subheader-title {
  margin: 0;
  font-size: var(--fs-xl);
  font-weight: 600;
  color: var(--text);
}
.ou-subheader-meta { font-size: var(--fs-md); color: var(--text-dim); }
.ou-subheader-id {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-dim);
  background: var(--overlay-2);
  border: none;
  border-radius: var(--radius-sm);
  padding: 2px 6px;
  cursor: pointer;
  transition: background .15s, color .15s;
}
.ou-subheader-id:hover { background: var(--overlay-3); color: var(--text); }
.ou-subheader-spacer { flex: 1; min-width: var(--space-2); }
.ou-subheader-actions { display: flex; align-items: center; gap: var(--space-1); flex-shrink: 0; }

/* ── Filter bar (OscarUI.filterBar) ──────────────────────── */
/* §2.6 / CLAUDE.md canon: overflow-x:auto, NEVER flex-wrap. */
.ou-filter-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  border-bottom: 1px solid var(--border);
  overflow-x: auto;
  scrollbar-width: thin;
}
.ou-filter-bar::-webkit-scrollbar { height: 6px; }
.ou-filter-bar::-webkit-scrollbar-thumb { background: var(--border); border-radius: var(--radius-sm); }
.ou-filter-bar-spacer { flex: 1; min-width: var(--space-2); }

/* ── Bulk-selection bar (OscarUI.bulkBar) ────────────────── */
.ou-bulk-bar {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  padding: var(--space-2) var(--space-3);
  background: var(--accent-tint);
  border: 1px solid var(--accent-tint);
  border-radius: var(--radius-lg);
  margin: var(--space-2) var(--space-3);
  font-size: var(--fs-sm);
  color: var(--text);
  flex-wrap: wrap;
  animation: ou-bulk-in .15s ease;
}
@keyframes ou-bulk-in {
  from { opacity: 0; transform: translateY(-4px); }
  to { opacity: 1; transform: none; }
}
.ou-bulk-count { font-weight: 600; color: var(--accent); white-space: nowrap; }
.ou-bulk-actions { display: flex; gap: var(--space-1); margin-left: auto; }

/* ── Context menu (OscarUI.menu) ─────────────────────────── */
.ou-menu {
  min-width: 160px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-2);
  padding: var(--space-1);
  z-index: 600;
}
.ou-menu-item {
  display: flex;
  align-items: center;
  gap: var(--space-2);
  width: 100%;
  padding: var(--space-2) 10px;
  background: none;
  border: none;
  border-radius: var(--radius);
  color: var(--text);
  font-size: var(--fs-md);
  font-family: inherit;
  text-align: left;
  cursor: pointer;
  transition: background .15s;
}
.ou-menu-item:hover { background: var(--overlay-2); }
.ou-menu-item-icon { display: inline-flex; flex-shrink: 0; }
.ou-menu-item-icon svg { width: 15px; height: 15px; }
.ou-menu-item-danger { color: var(--danger); }
.ou-menu-item-danger:hover { background: var(--danger-tint); }
.ou-menu-divider { height: 1px; background: var(--border); margin: var(--space-1) 0; }

/* ── Confirm dialog body (OscarUI.confirm) ───────────────── */
.ou-confirm-body { font-size: var(--fs-md); color: var(--text); line-height: 1.5; }

/* ── Inline form group (OscarUI.formGroup inline:true) ───── */
.ou-form-group-inline {
  display: flex;
  align-items: center;
  gap: var(--space-3);
}
.ou-form-group-inline > .ou-label { margin: 0; flex-shrink: 0; }
.ou-form-group-inline > .ou-input,
.ou-form-group-inline > .ou-select,
.ou-form-group-inline > .ou-textarea { flex: 1; }

/* ── Table footer / selection (OscarUI.table) ────────────── */
.ou-table-footer {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: var(--space-2);
  padding: var(--space-2);
}
.ou-table-page-info { font-size: var(--fs-sm); color: var(--text-dim); }
.ou-table-cb-cell { width: 32px; text-align: center; }
.ou-table tr.selected { background: var(--accent-tint); }

/* ── Button icon wrapper (OscarUI.button) ────────────────── */
.ou-btn-icon { display: inline-flex; align-items: center; }

/* ── Toast Notifications ─────────────────────────────────── */
.ou-toast-container {
  position: fixed;
  top: calc(var(--header-h) + 12px);
  right: 16px;
  z-index: 500;
  display: flex;
  flex-direction: column;
  gap: 8px;
  pointer-events: none;
}
.ou-toast {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 12px 16px;
  font-size: 13px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 10px;
  pointer-events: auto;
  min-width: 240px;
  max-width: 360px;
  box-shadow: 0 4px 12px rgba(0,0,0,.3);
  transform: translateX(120%);
  transition: transform .3s ease;
}
.ou-toast.show { transform: translateX(0); }
.ou-toast-icon { flex-shrink: 0; }
.ou-toast-success .ou-toast-icon { color: var(--success); }
.ou-toast-error .ou-toast-icon { color: var(--danger); }
.ou-toast-info .ou-toast-icon { color: var(--accent); }

/* ── Inline Detail Rows ──────────────────────────────────── */
.ou-detail-row {
  display: flex;
  align-items: flex-start;
  padding: 8px 16px;
  gap: 12px;
}
.ou-detail-label { font-size: 12px; color: var(--text-dim); min-width: 90px; flex-shrink: 0; }
.ou-detail-value { font-size: 13px; color: var(--text); flex: 1; }

/* ── Utility ─────────────────────────────────────────────── */
.ou-text-dim { color: var(--text-dim); }
.ou-text-accent { color: var(--accent); }
.ou-text-sm { font-size: 12px; }
.ou-text-xs { font-size: 11px; }
.ou-mt-8 { margin-top: 8px; }
.ou-mt-16 { margin-top: 16px; }
.ou-mb-8 { margin-bottom: 8px; }
.ou-mb-16 { margin-bottom: 16px; }
.ou-p-16 { padding: 16px; }
.ou-gap-8 { gap: 8px; }
.ou-flex { display: flex; }
.ou-flex-col { flex-direction: column; }
.ou-flex-center { align-items: center; justify-content: center; }
.ou-flex-between { align-items: center; justify-content: space-between; }
.ou-flex-1 { flex: 1; }
.ou-truncate { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* Files-app CSS evicted to css/files.css (Phase 0) */

/* ── Mobile Responsive ── */
@media (max-width: 480px) {
  .ou-tabs { padding: 0 8px; }
  .ou-tab { padding: 8px 10px; font-size: 12px; }
  .panel-body { padding: 8px 4px; }
}