:root {
  color-scheme: light;
  --font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;
  --font-mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, "Liberation Mono", monospace;
  --bg: #f4f6f9;
  --surface: #ffffff;
  --surface-muted: #eef2f7;
  --surface-raised: #ffffff;
  --border: #dde3ec;
  --border-strong: #c5cedb;
  --text: #0f172a;
  --muted: #64748b;
  --accent: #2563eb;
  --accent-soft: #dbeafe;
  --accent-contrast: #ffffff;
  --danger: #dc2626;
  --danger-soft: #fee2e2;
  --warning: #d97706;
  --warning-soft: #fef3c7;
  --success: #16a34a;
  --success-soft: #dcfce7;
  --info: #0284c7;
  --info-soft: #e0f2fe;
  --priority-high: #ef4444;
  --priority-normal: #3b82f6;
  --priority-low: #94a3b8;
  --shadow: 0 18px 45px rgb(15 23 42 / 0.16);
  --shadow-soft: 0 4px 14px rgb(15 23 42 / 0.08);
  --radius: 10px;
  --radius-lg: 14px;
}

@media (prefers-color-scheme: dark) {
  :root {
    color-scheme: dark;
    --bg: #0a0f1c;
    --surface: #111827;
    --surface-muted: #182132;
    --surface-raised: #151f31;
    --border: #253246;
    --border-strong: #37465e;
    --text: #e5eaf2;
    --muted: #94a3b8;
    --accent: #60a5fa;
    --accent-soft: #1e3a5f;
    --accent-contrast: #06121f;
    --danger: #f87171;
    --danger-soft: #3f1d1d;
    --warning: #fbbf24;
    --warning-soft: #3b2c10;
    --success: #4ade80;
    --success-soft: #14301f;
    --info: #38bdf8;
    --info-soft: #123043;
    --priority-high: #f87171;
    --priority-normal: #60a5fa;
    --priority-low: #64748b;
    --shadow: 0 18px 45px rgb(0 0 0 / 0.5);
    --shadow-soft: 0 4px 14px rgb(0 0 0 / 0.34);
  }
}

* {
  box-sizing: border-box;
}

[hidden] {
  display: none !important;
}

html,
body {
  height: 100%;
}

body {
  margin: 0;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-sans);
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

button,
input,
select,
textarea {
  font: inherit;
  color: inherit;
}

button {
  cursor: pointer;
}

a {
  color: var(--accent);
}

#app-root {
  height: 100%;
}

.muted {
  color: var(--muted);
}

.spacer {
  flex: 1;
}

/* ---------------------------------------------------------------- shell */

.app-shell {
  display: flex;
  flex-direction: column;
  height: 100dvh;
  min-height: 0;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  padding: 8px 12px;
  background: var(--surface);
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 30;
}

.topbar-left {
  display: flex;
  align-items: center;
  gap: 8px;
  min-width: 0;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  border: 0;
  padding: 3px;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
}

.brand:hover {
  background: var(--surface-muted);
}

.brand-mark {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 28px;
  border-radius: 8px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-weight: 800;
  font-size: 0.9rem;
}

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

.project-switcher {
  max-width: 240px;
  padding: 6px 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface);
  color: var(--text);
}

.tabs {
  display: flex;
  gap: 2px;
  padding: 3px;
  border-radius: 9px;
  background: var(--surface-muted);
}

.tab {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 10px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font-weight: 600;
  font-size: 0.85rem;
}

.tab:hover {
  color: var(--text);
}

.tab.active {
  background: var(--surface);
  color: var(--text);
  box-shadow: 0 1px 2px rgb(15 23 42 / 0.1);
}

.tab-badge {
  display: inline-grid;
  place-items: center;
  min-width: 18px;
  height: 18px;
  padding: 0 5px;
  border-radius: 999px;
  background: var(--accent);
  color: var(--accent-contrast);
  font-size: 0.7rem;
  font-weight: 700;
}

.topbar-right {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 0 8px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--muted);
}

.search-box:focus-within {
  border-color: var(--accent);
  background: var(--surface);
}

.search-input {
  width: 190px;
  padding: 7px 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
}

.global-toggle {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 0.8rem;
  color: var(--muted);
  white-space: nowrap;
}

.main {
  position: relative;
  flex: 1;
  min-height: 0;
  display: flex;
  overflow: hidden;
}

.board-region {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
  overflow: hidden;
}

.board-root {
  flex: 1;
  min-height: 0;
  display: flex;
  flex-direction: column;
}

.board-scroll {
  flex: 1;
  overflow: auto;
  padding: 14px;
}

.page-region {
  flex: 1;
  min-width: 0;
  overflow-y: auto;
}

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

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  padding: 7px 11px;
  border: 1px solid transparent;
  border-radius: 8px;
  background: var(--surface-muted);
  color: var(--text);
  font-weight: 600;
  font-size: 0.88rem;
  line-height: 1.1;
  white-space: nowrap;
  transition: background 0.12s, border-color 0.12s, opacity 0.12s;
}

.button:hover {
  border-color: var(--border-strong);
}

.button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.button:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.button-primary {
  background: var(--accent);
  color: var(--accent-contrast);
  border-color: var(--accent);
}

.button-primary:hover {
  filter: brightness(1.06);
}

.button-secondary {
  background: var(--surface-muted);
  border-color: var(--border);
}

.button-ghost {
  background: transparent;
  color: var(--muted);
  border-color: transparent;
}

.button-ghost:hover,
.button-ghost.active {
  background: var(--surface-muted);
  color: var(--text);
}

.button-danger {
  background: var(--danger);
  border-color: var(--danger);
  color: #fff;
}

.button-icon {
  width: 32px;
  height: 32px;
  padding: 6px;
}

.button-small {
  padding: 4px 8px;
  font-size: 0.8rem;
}

.button-label {
  white-space: nowrap;
}

/* ---------------------------------------------------------------- board */

.columns {
  display: flex;
  align-items: flex-start;
  gap: 12px;
  min-height: 100%;
}

.column {
  flex: 0 1 286px;
  width: 286px;
  min-width: 220px;
  max-height: calc(100dvh - 112px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  background: var(--surface-muted);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
}

.column-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  padding: 10px 12px 6px;
  color: var(--muted);
}

.column-title {
  font-size: 0.75rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

.column-count {
  display: inline-grid;
  place-items: center;
  min-width: 20px;
  height: 20px;
  padding: 0 6px;
  border-radius: 999px;
  background: var(--surface);
  color: var(--muted);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}

.column-cards {
  flex: 1;
  min-height: 84px;
  padding: 4px 8px 8px;
  overflow-y: auto;
}

.column-empty {
  margin: 8px 4px;
  padding: 12px 8px;
  border: 1px dashed var(--border-strong);
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.78rem;
  text-align: center;
}

.column-footer {
  padding: 0 8px 8px;
}

.card {
  position: relative;
  margin: 0 0 8px;
  padding: 9px 10px 8px 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  box-shadow: 0 1px 1px rgb(15 23 42 / 0.04);
  cursor: grab;
  touch-action: manipulation;
  transition: border-color 0.12s, box-shadow 0.12s;
}

.card::before {
  content: "";
  position: absolute;
  left: 0;
  top: 8px;
  bottom: 8px;
  width: 3px;
  border-radius: 0 3px 3px 0;
  background: var(--priority-normal);
}

.card.priority-border-high::before {
  background: var(--priority-high);
}

.card.priority-border-low::before {
  background: var(--priority-low);
}

.card:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-soft);
}

.card.selected {
  border-color: var(--accent);
  box-shadow: 0 0 0 1px var(--accent);
}

.card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

.board-scroll.filtered .card {
  cursor: pointer;
}

.card.dragging {
  opacity: 0.35;
}

.card-top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 6px;
  min-height: 18px;
}

.card-ref {
  font-family: var(--font-mono);
  font-size: 0.72rem;
  font-weight: 700;
  color: var(--muted);
  letter-spacing: 0.02em;
}

.card-icons {
  display: inline-flex;
  align-items: center;
  gap: 4px;
}

.card-flag {
  display: inline-flex;
  color: var(--muted);
}

.flag-lock {
  color: var(--warning);
}

.flag-attention {
  color: var(--danger);
}

.card-title {
  margin: 4px 0 7px;
  font-size: 0.92rem;
  font-weight: 600;
  line-height: 1.35;
  overflow-wrap: anywhere;
}

.card-labels {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 6px;
}

.label-chip {
  display: inline-flex;
  align-items: center;
  gap: 2px;
  max-width: 100%;
  padding: 1px 7px;
  border: 1px solid color-mix(in srgb, var(--label-color) 38%, transparent);
  border-radius: 999px;
  background: color-mix(in srgb, var(--label-color) 16%, transparent);
  color: var(--label-color);
  font-size: 0.72rem;
  font-weight: 700;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-meta {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px;
  color: var(--muted);
  font-size: 0.74rem;
}

.priority-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  background: var(--priority-normal);
  flex: 0 0 auto;
}

.priority-dot.priority-high {
  background: var(--priority-high);
}

.priority-dot.priority-low {
  background: var(--priority-low);
}

.due-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  padding: 1px 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 0.72rem;
  font-variant-numeric: tabular-nums;
}

.due-chip.overdue {
  border-color: color-mix(in srgb, var(--danger) 45%, transparent);
  background: var(--danger-soft);
  color: var(--danger);
  font-weight: 700;
}

.checklist-chip {
  display: inline-flex;
  align-items: center;
  gap: 3px;
  font-variant-numeric: tabular-nums;
}

.checklist-chip.complete {
  color: var(--success);
}

.claim-chip {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  max-width: 160px;
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--accent-soft);
  color: var(--accent);
  font-size: 0.72rem;
  font-weight: 600;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.card-menu {
  margin-left: auto;
  width: 24px;
  height: 24px;
  padding: 3px;
  opacity: 0.45;
}

.card:hover .card-menu,
.card:focus-within .card-menu,
.card.selected .card-menu {
  opacity: 1;
}

.drag-ghost {
  position: fixed;
  z-index: 1000;
  margin: 0;
  pointer-events: none;
  opacity: 0.95;
  transform-origin: center;
  box-shadow: var(--shadow);
  cursor: grabbing;
}

.card-placeholder {
  margin: 0 0 8px;
  border: 2px dashed var(--accent);
  border-radius: var(--radius);
  background: var(--accent-soft);
  opacity: 0.7;
}

body.dragging-card,
body.dragging-card * {
  cursor: grabbing !important;
  user-select: none;
}

body.resizing-panel,
body.resizing-panel * {
  cursor: col-resize !important;
  user-select: none;
}

.quick-add-trigger {
  display: flex;
  align-items: center;
  gap: 5px;
  width: 100%;
  padding: 5px 8px;
  border: 0;
  border-radius: 7px;
  background: transparent;
  color: var(--muted);
  font-size: 0.8rem;
  text-align: left;
}

.quick-add-trigger:hover {
  background: var(--surface);
  color: var(--text);
}

.quick-add-form {
  padding: 2px;
}

.quick-add-input {
  width: 100%;
  padding: 6px 8px;
  font-size: 0.85rem;
}

/* ---------------------------------------------------------------- global view */

.project-group {
  margin-bottom: 20px;
}

.project-group-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 2px 8px;
}

.project-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--project-color, var(--accent));
  flex: 0 0 auto;
}

.project-group-title {
  margin: 0;
  font-size: 1rem;
  font-weight: 700;
}

.project-group-key {
  font-family: var(--font-mono);
  color: var(--muted);
  font-size: 0.75rem;
}

.project-group-count {
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 0.72rem;
}

.project-group .column {
  max-height: calc(100dvh - 190px);
}

/* ---------------------------------------------------------------- panel */

.panel {
  display: none;
  flex: 0 0 auto;
  flex-direction: column;
  height: 100%;
  min-width: 0;
  border-left: 1px solid var(--border);
  background: var(--surface);
  position: relative;
}

.panel.open {
  display: flex;
}

.panel.collapsed {
  width: 46px !important;
  min-width: 46px;
}

.panel-shell {
  display: flex;
  flex-direction: column;
  height: 100%;
  min-height: 0;
}

.panel-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 8px;
  flex: 0 0 auto;
  padding: 8px 10px;
  border-bottom: 1px solid var(--border);
}

.panel-header-ref {
  display: flex;
  align-items: center;
  gap: 6px;
  min-width: 0;
}

.panel-ref {
  font-family: var(--font-mono);
  font-size: 0.8rem;
  font-weight: 700;
  color: var(--muted);
}

.panel-header-actions {
  display: flex;
  gap: 2px;
}

.panel-body {
  flex: 1;
  min-height: 0;
  padding: 14px 16px 40px;
  overflow-y: auto;
}

.panel-rail {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  padding-top: 8px;
  height: 100%;
}

.panel-rail-ref {
  writing-mode: vertical-rl;
  transform: rotate(180deg);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  color: var(--muted);
  letter-spacing: 0.04em;
}

.panel-resizer {
  position: absolute;
  left: -3px;
  top: 0;
  bottom: 0;
  width: 6px;
  z-index: 5;
  cursor: col-resize;
}

.panel-resizer:hover,
.panel-resizer:focus-visible {
  background: color-mix(in srgb, var(--accent) 35%, transparent);
  outline: none;
}

.panel-loading {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 16px 4px;
  color: var(--muted);
}

.panel-empty {
  padding: 20px 4px;
}

.panel-section {
  margin: 0 0 16px;
  padding: 0 0 16px;
  border-bottom: 1px solid var(--border);
}

.panel-section:last-child {
  margin-bottom: 0;
  border-bottom: 0;
}

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

.panel-section-title {
  margin: 0;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.panel-section-actions {
  display: flex;
  align-items: center;
  gap: 4px;
}

.panel-title {
  margin: 0 0 6px;
  font-size: 1.22rem;
  line-height: 1.3;
  overflow-wrap: anywhere;
}

.panel-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin: 6px 0;
}

.panel-meta {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin: 10px 0;
}

.meta-field {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}

.meta-field:last-child {
  grid-column: 1 / -1;
}

.due-field {
  display: flex;
  align-items: center;
  gap: 4px;
}

.panel-labels {
  display: flex;
  flex-direction: column;
  gap: 6px;
  margin: 10px 0;
}

.panel-label-chips {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
}

.panel-label-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  align-items: center;
}

.label-chip-removable {
  padding-right: 1px;
}

.chip-remove {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 19px;
  height: 19px;
  padding: 1px;
  border: 0;
  border-radius: 999px;
  background: transparent;
  color: inherit;
  opacity: 0.7;
}

.chip-remove:hover {
  opacity: 1;
  background: color-mix(in srgb, var(--label-color) 22%, transparent);
}

.panel-claim {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 8px;
}

.badge {
  display: inline-flex;
  align-items: center;
  padding: 1px 7px;
  border-radius: 999px;
  font-size: 0.72rem;
  font-weight: 700;
  white-space: nowrap;
}

.badge-neutral {
  background: var(--surface-muted);
  color: var(--muted);
}

.badge-info {
  background: var(--info-soft);
  color: var(--info);
}

.badge-warning {
  background: var(--warning-soft);
  color: var(--warning);
}

.badge-success {
  background: var(--success-soft);
  color: var(--success);
}

.checklist-progress {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.8rem;
}

.progress-track {
  flex: 1;
  height: 6px;
  overflow: hidden;
  border-radius: 999px;
  background: var(--surface-muted);
}

.progress-fill {
  height: 100%;
  border-radius: inherit;
  background: var(--accent);
  transition: width 0.2s;
}

.checklist {
  display: flex;
  flex-direction: column;
  gap: 3px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.checklist-item {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 3px 0;
}

.checklist-text {
  flex: 1;
  min-width: 0;
  padding: 2px;
  border: 0;
  background: transparent;
  color: var(--text);
  text-align: left;
  overflow-wrap: anywhere;
}

.checklist-text:hover {
  text-decoration: underline dotted;
}

.checklist-text.done {
  color: var(--muted);
  text-decoration: line-through;
}

.checklist-buttons {
  display: flex;
  gap: 1px;
  opacity: 0.55;
}

.checklist-item:hover .checklist-buttons,
.checklist-buttons:focus-within {
  opacity: 1;
}

.checklist-edit-row {
  display: flex;
  flex: 1;
  align-items: center;
  gap: 3px;
}

.checklist-edit {
  flex: 1;
}

.inline-form {
  display: flex;
  gap: 6px;
  margin-top: 6px;
}

.inline-form .input {
  flex: 1;
}

.comments {
  display: flex;
  flex-direction: column;
  gap: 8px;
  margin-bottom: 10px;
}

.comment {
  padding: 8px 10px;
  border: 1px solid var(--border);
  border-radius: 8px;
  background: var(--surface-muted);
}

.comment-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 8px;
  margin-bottom: 3px;
  font-size: 0.78rem;
}

.comment-author {
  font-weight: 700;
}

.comment-body {
  font-size: 0.88rem;
}

.comment-form {
  display: flex;
  flex-direction: column;
  gap: 6px;
  align-items: flex-start;
}

.activity {
  display: flex;
  flex-direction: column;
  gap: 5px;
  margin: 0;
  padding: 0;
  list-style: none;
}

.activity-item {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 4px;
  font-size: 0.8rem;
}

.activity-actor {
  font-weight: 700;
}

.activity-text {
  color: var(--muted);
}

.activity-item time {
  margin-left: auto;
  font-size: 0.72rem;
  white-space: nowrap;
}

.dependency-groups {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.dependency-title {
  margin: 0 0 4px;
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--muted);
}

.dependency-row {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 3px 0;
  border-bottom: 1px dashed var(--border);
}

.dependency-row:last-child {
  border-bottom: 0;
}

.dependency-ref {
  padding: 0;
  border: 0;
  background: transparent;
  color: var(--accent);
  font-family: var(--font-mono);
  font-size: 0.76rem;
  font-weight: 700;
}

.dependency-name {
  flex: 1;
  min-width: 0;
  overflow: hidden;
  color: var(--muted);
  font-size: 0.8rem;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.status-chip {
  padding: 1px 6px;
  border-radius: 999px;
  background: var(--surface-muted);
  color: var(--muted);
  font-size: 0.68rem;
  white-space: nowrap;
}

.status-chip.status-in_review {
  background: var(--info-soft);
  color: var(--info);
}

.status-chip.status-done {
  background: var(--success-soft);
  color: var(--success);
}

.status-chip.status-blocker {
  background: var(--warning-soft);
  color: var(--warning);
}

.panel-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.panel-session {
  margin-top: 14px;
}

.session-id {
  display: inline-block;
  max-width: 100%;
  padding: 2px 5px;
  border-radius: 4px;
  background: var(--surface-muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  overflow-wrap: anywhere;
}

.session-line {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 4px;
}

.session-directory {
  margin: 6px 0 0;
  font-family: var(--font-mono);
  font-size: 0.72rem;
  overflow-wrap: anywhere;
}

.session-link {
  margin-top: 12px;
}

.session-link summary {
  cursor: pointer;
  color: var(--muted);
  font-size: 0.82rem;
}

.session-link .form-stack {
  margin-top: 8px;
}

/* ---------------------------------------------------------------- pages */

.page {
  max-width: 960px;
  margin: 0 auto;
  padding: 24px 20px 64px;
}

.page-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
  margin-bottom: 10px;
}

.page-title {
  margin: 0;
  font-size: 1.55rem;
  letter-spacing: -0.02em;
}

.page-subtitle {
  margin: 6px 0 16px;
  color: var(--muted);
  font-size: 0.9rem;
}

.page-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 8px 0 14px;
}

.page-empty {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 8px;
  margin-top: 24px;
  padding: 40px 20px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  text-align: center;
}

.page-empty h2 {
  margin: 0;
  font-size: 1.15rem;
}

.page-empty p {
  margin: 0;
  max-width: 42ch;
}

.page-loading {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 10px;
  padding: 80px 20px;
  color: var(--muted);
}

.settings-tabs {
  display: flex;
  gap: 4px;
  margin-top: 8px;
}

.settings-tab {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 10px;
  border-radius: 8px;
  color: var(--muted);
  font-size: 0.88rem;
  font-weight: 600;
  text-decoration: none;
}

.settings-tab:hover {
  background: var(--surface-muted);
  color: var(--text);
}

.settings-tab.active {
  background: var(--surface-muted);
  color: var(--text);
}

.settings-list {
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.settings-row {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
}

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

.settings-row-title {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
}

.settings-row-name {
  font-weight: 700;
}

.settings-row-description {
  margin: 3px 0 0;
  font-size: 0.85rem;
  overflow-wrap: anywhere;
}

.settings-row-repo {
  display: inline-block;
  margin-top: 4px;
  color: var(--muted);
  font-family: var(--font-mono);
  font-size: 0.72rem;
  overflow-wrap: anywhere;
}

.settings-row-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 4px;
}

.settings-env {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.settings-section-title {
  margin: 22px 0 8px;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.06em;
  text-transform: uppercase;
  color: var(--muted);
}

.settings-token-meta {
  margin: 3px 0 0;
  font-size: 0.78rem;
}

/* ---------------------------------------------------------------- inbox */

.inbox-list {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.inbox-card {
  padding: 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
}

.inbox-top {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 8px;
  font-size: 0.78rem;
}

.inbox-title {
  margin: 6px 0;
  font-size: 1.05rem;
  overflow-wrap: anywhere;
}

.inbox-description {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 0.88rem;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.inbox-actions {
  display: flex;
  align-items: flex-end;
  flex-wrap: wrap;
  gap: 8px;
  margin-top: 10px;
}

.inbox-status {
  display: flex;
  flex-direction: column;
  gap: 3px;
}

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

.form-stack {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.form-row {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
}

.field {
  display: flex;
  flex-direction: column;
  gap: 4px;
  min-width: 0;
}

.field-label {
  font-size: 0.76rem;
  font-weight: 700;
  color: var(--muted);
}

.field-hint {
  margin: 0;
  color: var(--muted);
  font-size: 0.76rem;
}

.input {
  width: 100%;
  padding: 7px 9px;
  border: 1px solid var(--border);
  border-radius: 8px;
  outline: 0;
  background: var(--surface);
  color: var(--text);
}

.input:focus {
  border-color: var(--accent);
  box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 22%, transparent);
}

.input-compact {
  padding: 4px 7px;
  font-size: 0.82rem;
}

.textarea {
  min-height: 70px;
  resize: vertical;
  line-height: 1.45;
}

.input-color {
  height: 34px;
  padding: 2px 3px;
}

.fieldset {
  margin: 0;
  padding: 0;
  border: 0;
}

.label-options {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
}

.label-option {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  cursor: pointer;
}

.label-option input {
  margin: 0;
}

.form-actions {
  display: flex;
  justify-content: flex-end;
  gap: 8px;
  margin-top: 4px;
}

.form-error {
  margin: 0;
  color: var(--danger);
  font-size: 0.83rem;
}

.form-section {
  display: flex;
  flex-direction: column;
  gap: 10px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.form-section-title {
  margin: 0;
  font-size: 0.85rem;
  font-weight: 700;
}

/* ---------------------------------------------------------------- modal */

.modal-backdrop {
  position: fixed;
  inset: 0;
  z-index: 100;
  display: grid;
  place-items: center;
  padding: 20px;
  overflow-y: auto;
  background: rgb(10 15 28 / 0.5);
  animation: fade-in 0.12s ease-out;
}

.modal {
  width: min(560px, 100%);
  max-height: calc(100dvh - 40px);
  display: flex;
  flex-direction: column;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  background: var(--surface);
  box-shadow: var(--shadow);
  animation: pop-in 0.14s ease-out;
}

.modal-small {
  width: min(430px, 100%);
}

.modal-large {
  width: min(720px, 100%);
}

.modal-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 10px;
  flex: 0 0 auto;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
}

.modal-title {
  margin: 0;
  font-size: 1.02rem;
}

.modal-body {
  padding: 16px;
  overflow-y: auto;
}

.modal-message {
  margin: 0 0 16px;
  line-height: 1.5;
}

.menu-list {
  display: flex;
  flex-direction: column;
  gap: 2px;
}

.menu-item {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 9px 10px;
  border: 0;
  border-radius: 8px;
  background: transparent;
  color: var(--text);
  text-align: left;
}

.menu-item:hover {
  background: var(--surface-muted);
}

.menu-restore {
  margin-bottom: 4px;
  background: var(--accent-soft);
  color: var(--accent);
  font-weight: 600;
}

.status-dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--muted);
}

.status-dot.status-backlog {
  background: #94a3b8;
}

.status-dot.status-todo {
  background: #3b82f6;
}

.status-dot.status-in_progress {
  background: #f59e0b;
}

.status-dot.status-in_review {
  background: #8b5cf6;
}

.status-dot.status-blocker {
  background: #ef4444;
}

.status-dot.status-done {
  background: #16a34a;
}

.token-value {
  font-family: var(--font-mono);
  font-size: 0.82rem;
}

.copy-fallback {
  position: fixed;
  left: -9999px;
  top: 0;
}

/* ---------------------------------------------------------------- toasts */

#toasts {
  position: fixed;
  right: 16px;
  bottom: 16px;
  z-index: 200;
  display: flex;
  flex-direction: column;
  gap: 8px;
  width: min(380px, calc(100vw - 32px));
  pointer-events: none;
}

.toast {
  display: flex;
  align-items: flex-start;
  gap: 8px;
  padding: 10px 12px;
  border: 1px solid var(--border);
  border-left: 4px solid var(--info);
  border-radius: 8px;
  background: var(--surface);
  box-shadow: var(--shadow-soft);
  font-size: 0.86rem;
  pointer-events: auto;
  animation: toast-in 0.16s ease-out;
}

.toast-success {
  border-left-color: var(--success);
}

.toast-warning {
  border-left-color: var(--warning);
}

.toast-error {
  border-left-color: var(--danger);
}

.toast-leaving {
  opacity: 0;
  transform: translateY(6px);
  transition: opacity 0.18s, transform 0.18s;
}

.toast-message {
  overflow-wrap: anywhere;
}

/* ---------------------------------------------------------------- login and boot */

.boot {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 12px;
  min-height: 100dvh;
  color: var(--muted);
}

.login-screen {
  display: grid;
  place-items: center;
  min-height: 100dvh;
  padding: 24px;
  background:
    radial-gradient(circle at 50% 0%, color-mix(in srgb, var(--accent) 16%, transparent), transparent 55%),
    var(--bg);
}

.login-card {
  width: min(400px, 100%);
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 18px;
  background: var(--surface);
  box-shadow: var(--shadow);
}

.login-brand {
  display: flex;
  align-items: center;
  gap: 10px;
}

.brand-large {
  margin: 0;
  font-size: 1.6rem;
  letter-spacing: -0.03em;
}

.login-subtitle {
  margin: 6px 0 20px;
  font-size: 0.92rem;
}

.login-form {
  display: flex;
  flex-direction: column;
  gap: 12px;
}

/* ---------------------------------------------------------------- markdown */

.markdown {
  font-size: 0.92rem;
  line-height: 1.55;
  overflow-wrap: anywhere;
}

.markdown > :first-child {
  margin-top: 0;
}

.markdown > :last-child {
  margin-bottom: 0;
}

.markdown p {
  margin: 0.55em 0;
}

.markdown h1,
.markdown h2,
.markdown h3,
.markdown h4,
.markdown h5,
.markdown h6 {
  margin: 0.9em 0 0.35em;
  line-height: 1.25;
}

.markdown h1 {
  font-size: 1.3em;
}

.markdown h2 {
  font-size: 1.18em;
}

.markdown h3 {
  font-size: 1.06em;
}

.markdown ul,
.markdown ol {
  margin: 0.5em 0;
  padding-left: 1.4em;
}

.markdown li {
  margin: 0.15em 0;
}

.markdown code {
  padding: 1px 4px;
  border-radius: 4px;
  background: var(--surface-muted);
  font-family: var(--font-mono);
  font-size: 0.88em;
}

.markdown pre {
  padding: 10px;
  overflow: auto;
  border-radius: 8px;
  background: var(--surface-muted);
}

.markdown pre code {
  padding: 0;
  background: transparent;
}

.markdown blockquote {
  margin: 0.6em 0;
  padding-left: 10px;
  border-left: 3px solid var(--border-strong);
  color: var(--muted);
}

.markdown a {
  color: var(--accent);
}

.markdown table {
  width: 100%;
  border-collapse: collapse;
  font-size: 0.9em;
}

.markdown th,
.markdown td {
  padding: 4px 6px;
  border: 1px solid var(--border);
  text-align: left;
}

.markdown hr {
  margin: 1em 0;
  border: 0;
  border-top: 1px solid var(--border);
}

/* ---------------------------------------------------------------- spinner and motion */

.spinner {
  width: 16px;
  height: 16px;
  border: 2px solid var(--border-strong);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
}

@keyframes spin {
  to {
    transform: rotate(360deg);
  }
}

@keyframes fade-in {
  from {
    opacity: 0;
  }
}

@keyframes pop-in {
  from {
    opacity: 0;
    transform: translateY(6px) scale(0.99);
  }
}

@keyframes toast-in {
  from {
    opacity: 0;
    transform: translateY(8px);
  }
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    animation-duration: 0.01ms !important;
    transition-duration: 0.01ms !important;
  }
}

/* ---------------------------------------------------------------- responsive */

@media (max-width: 1100px) {
  .panel.open {
    position: absolute;
    right: 0;
    top: 0;
    bottom: 0;
    z-index: 25;
    border-left: 1px solid var(--border);
    box-shadow: var(--shadow);
  }

  .panel.open:not(.collapsed) {
    width: min(var(--panel-width, 420px), 100vw) !important;
  }

  .panel.collapsed {
    width: 46px !important;
  }
}

@media (max-width: 700px) {
  .topbar {
    gap: 6px;
    padding: 6px 8px;
  }

  .brand-name {
    display: none;
  }

  .project-switcher {
    max-width: 150px;
  }

  .tab {
    padding: 5px 8px;
  }

  .tab-label {
    display: none;
  }

  .topbar-right {
    width: 100%;
    justify-content: flex-end;
  }

  .search-box {
    flex: 1;
    min-width: 120px;
  }

  .search-input {
    width: 100%;
  }

  .topbar-new .button-label {
    display: none;
  }

  .column {
    flex: 0 0 85vw;
    width: 85vw;
    max-height: calc(100dvh - 150px);
  }

  .project-group .column {
    max-height: calc(100dvh - 230px);
  }

  .panel.open:not(.collapsed) {
    width: 100vw !important;
  }

  .page {
    padding: 16px 12px 56px;
  }

  .form-row {
    grid-template-columns: 1fr;
  }

  .settings-row {
    align-items: flex-start;
  }

  .modal-backdrop {
    padding: 10px;
  }

  .modal {
    max-height: calc(100dvh - 20px);
  }
}