:root {
  --ink: #1f2528;
  --muted: #66706f;
  --paper: #f4efe7;
  --paper-deep: #e7dccd;
  --accent: #c45d36;
  --accent-soft: #eab59a;
  --sage: #718b72;
  --steel: #53626e;
  --gold: #b88a2b;
  --line: rgba(31, 37, 40, 0.14);
  --shadow: 0 18px 45px rgba(52, 39, 28, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at top left, rgba(196, 93, 54, 0.18), transparent 28%),
    radial-gradient(circle at top right, rgba(113, 139, 114, 0.18), transparent 24%),
    linear-gradient(135deg, #fbf8f3 0%, var(--paper) 58%, #efe5d8 100%);
  font-family: "Avenir Next", "PingFang SC", "Hiragino Sans GB", sans-serif;
}

.shell {
  min-height: 100vh;
  width: min(1240px, calc(100% - 40px));
  margin: 0 auto;
  padding: 34px 0 28px;
}

.hero {
  margin-bottom: 24px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  letter-spacing: 0.14em;
  text-transform: uppercase;
  font-size: 12px;
}

h1 {
  margin: 0;
  font-family: "Iowan Old Style", "Songti SC", serif;
  font-size: clamp(34px, 5vw, 54px);
  font-weight: 700;
  letter-spacing: 0.02em;
}

.lede {
  max-width: 680px;
  margin: 10px 0 0;
  color: var(--muted);
  font-size: 16px;
}

.grid {
  display: grid;
  grid-template-columns: 260px minmax(420px, 1fr) 300px;
  gap: 18px;
  align-items: stretch;
}

.panel {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 252, 247, 0.78);
  backdrop-filter: blur(10px);
  box-shadow: var(--shadow);
}

.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 18px 20px 12px;
  border-bottom: 1px solid var(--line);
  font-size: 14px;
  font-weight: 700;
}

.panel-head small {
  color: var(--muted);
  font-weight: 500;
}

.pulse dl {
  margin: 0;
  padding: 14px 20px 20px;
}

.pulse div + div {
  margin-top: 16px;
}

.pulse dt {
  color: var(--muted);
  font-size: 12px;
}

.pulse dd {
  margin: 5px 0 0;
  line-height: 1.4;
  font-weight: 600;
}

.conversation {
  display: flex;
  flex-direction: column;
  min-height: 620px;
}

.messages {
  flex: 1;
  padding: 18px;
  overflow-y: auto;
}

.message {
  max-width: 88%;
  margin-bottom: 14px;
  padding: 14px 16px;
  border-radius: 18px;
  line-height: 1.6;
}

.message header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 12px;
  color: var(--muted);
}

.message .body {
  line-height: 1.7;
}

.marker {
  color: var(--accent);
  font-weight: 700;
  font-size: 0.88em;
  letter-spacing: 0.01em;
}

.message.dex {
  background: #fff4eb;
  border-top-left-radius: 6px;
}

.message.claude {
  margin-left: auto;
  background: #eef4ec;
  border-top-right-radius: 6px;
}

.message.user {
  margin-left: auto;
  background: #f2ece4;
  border-top-right-radius: 6px;
}

.composer {
  border-top: 1px solid var(--line);
  padding: 16px 18px 18px;
}

.composer label {
  display: block;
  margin-bottom: 8px;
  font-size: 13px;
  font-weight: 700;
}

.composer-row {
  display: flex;
  gap: 10px;
}

.mention-hint {
  margin-top: 8px;
  color: var(--muted);
  font-size: 12px;
}

textarea {
  flex: 1;
  resize: none;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.8);
  padding: 12px 14px;
  color: var(--ink);
  font: inherit;
}

button {
  border: 0;
  border-radius: 16px;
  padding: 0 18px;
  background: var(--ink);
  color: #fffaf4;
  font-weight: 700;
  cursor: pointer;
}

.consensus article {
  padding: 16px 20px 0;
}

.consensus article:last-child {
  padding-bottom: 20px;
}

.consensus h2 {
  margin: 0 0 10px;
  font-size: 16px;
}

.consensus ul {
  margin: 0;
  padding-left: 18px;
  line-height: 1.7;
}

.consensus p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

.discussion-state {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 16px 20px 0;
  color: var(--sage);
}

.status-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--sage);
  box-shadow: 0 0 0 0 rgba(113, 139, 114, 0.45);
  animation: pulse 1.8s infinite;
}

.stop-button {
  display: block;
  width: calc(100% - 40px);
  margin: 18px 20px 20px;
  border: 1px solid rgba(196, 93, 54, 0.22);
  background: #fff0e8;
  color: var(--accent);
  min-height: 44px;
}

.stop-button.stopped {
  background: #ece7df;
  color: var(--muted);
}

@keyframes pulse {
  0% {
    box-shadow: 0 0 0 0 rgba(113, 139, 114, 0.4);
  }
  70% {
    box-shadow: 0 0 0 10px rgba(113, 139, 114, 0);
  }
  100% {
    box-shadow: 0 0 0 0 rgba(113, 139, 114, 0);
  }
}

.source-map {
  margin-top: 18px;
}

.kanban-panel {
  margin-top: 18px;
  overflow: hidden;
  background:
    linear-gradient(90deg, rgba(83, 98, 110, 0.08), transparent 26%, rgba(184, 138, 43, 0.12) 48%, transparent 72%, rgba(113, 139, 114, 0.09)),
    rgba(255, 252, 247, 0.86);
}

.kanban-toolbar {
  display: flex;
  justify-content: space-between;
  gap: 14px;
  align-items: center;
  padding: 14px 18px;
  border-bottom: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

.kanban-toolbar div {
  display: grid;
  gap: 4px;
}

.kanban-toolbar strong {
  color: var(--ink);
  font-size: 14px;
}

.kanban-toolbar button {
  min-height: 36px;
  border-radius: 12px;
  padding: 0 14px;
  background: #2f433a;
}

.kanban-toolbar-actions {
  display: flex;
  align-items: center;
  gap: 10px;
}

.kanban-board {
  display: grid;
  gap: 12px;
  padding: 18px;
}

.kanban-lane {
  display: grid;
  gap: 12px;
}

.lane-toggle {
  display: flex;
  justify-content: space-between;
  align-items: center;
  border: 1px dashed rgba(31, 37, 40, 0.2);
  border-radius: 12px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.5);
}

.lane-toggle strong {
  font-size: 13px;
}

.lane-toggle-meta {
  display: flex;
  align-items: center;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
}

.lane-toggle button {
  min-height: 28px;
  padding: 0 10px;
  border-radius: 9px;
  background: rgba(31, 37, 40, 0.12);
  color: var(--ink);
  font-size: 12px;
}

.lane-top,
.lane-bottom {
  grid-template-columns: minmax(0, 1fr);
}

.lane-middle {
  grid-template-columns: minmax(260px, 1fr) minmax(300px, 1.14fr) minmax(260px, 1fr);
}

.kanban-lane.collapsed .kanban-column {
  display: none;
}

.kanban-column {
  min-height: 280px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.86), rgba(255, 252, 246, 0.72));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.62);
}

[data-column-name="Inbox"] {
  border-color: rgba(31, 37, 40, 0.18);
  background: linear-gradient(180deg, rgba(255, 255, 255, 0.9), rgba(245, 246, 248, 0.74));
}

[data-column-name="Left Brain: Codex"] {
  border-color: rgba(83, 98, 110, 0.28);
  background: rgba(241, 245, 246, 0.72);
}

[data-column-name="Decision Core"] {
  border-color: rgba(184, 138, 43, 0.38);
  background: rgba(255, 249, 232, 0.82);
  box-shadow: 0 18px 34px rgba(99, 75, 20, 0.1);
}

[data-column-name="Right Brain: Claude"] {
  border-color: rgba(113, 139, 114, 0.3);
  background: rgba(241, 247, 239, 0.76);
}

[data-column-name="Done"] {
  border-color: rgba(31, 37, 40, 0.16);
  background: linear-gradient(180deg, rgba(244, 248, 246, 0.78), rgba(240, 244, 241, 0.8));
}

.kanban-column > header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  min-height: 64px;
  padding: 12px 14px;
  border-bottom: 1px solid var(--line);
}

.kanban-column h2 {
  margin: 0;
  font-size: 15px;
}

.kanban-column header p {
  margin: 4px 0 0;
  color: var(--muted);
  font-size: 11px;
  line-height: 1.35;
}

.kanban-column header span {
  min-width: 24px;
  border-radius: 999px;
  background: rgba(31, 37, 40, 0.08);
  color: var(--muted);
  text-align: center;
  font-size: 12px;
  line-height: 24px;
}

.kanban-cards {
  display: grid;
  gap: 12px;
  padding: 12px;
}

.kanban-card {
  border: 1px solid rgba(31, 37, 40, 0.11);
  border-radius: 14px;
  background: linear-gradient(180deg, #fffdf8 0%, #fff8ef 100%);
  padding: 13px;
  box-shadow: 0 10px 24px rgba(52, 39, 28, 0.09);
  transition: transform 160ms ease, box-shadow 160ms ease, border-color 160ms ease;
  cursor: pointer;
  position: relative;
}

.kanban-card::before {
  content: "";
  position: absolute;
  left: 10px;
  top: 10px;
  bottom: 10px;
  width: 3px;
  border-radius: 999px;
  background: linear-gradient(180deg, rgba(196, 93, 54, 0.45), rgba(113, 139, 114, 0.35));
  opacity: 0.9;
}

.kanban-card:hover {
  border-color: rgba(31, 37, 40, 0.22);
  box-shadow: 0 16px 30px rgba(52, 39, 28, 0.14);
  transform: translateY(-2px);
}

.kanban-card header,
.kanban-card footer {
  display: flex;
  justify-content: space-between;
  gap: 8px;
  color: var(--muted);
  font-size: 11px;
  padding-left: 10px;
}

.kanban-card h3 {
  margin: 8px 0;
  padding-left: 10px;
  overflow-wrap: anywhere;
  font-size: 16px;
  font-weight: 750;
  line-height: 1.42;
}

.kanban-detail {
  display: grid;
  padding-left: 10px;
}

.status-pill {
  border-radius: 999px;
  background: rgba(31, 37, 40, 0.08);
  color: var(--muted);
  padding: 3px 9px;
}

.kind-chip {
  border-radius: 999px;
  border: 1px solid rgba(31, 37, 40, 0.12);
  padding: 2px 8px;
  background: rgba(255, 255, 255, 0.58);
}

.kanban-card.collapsed {
  padding-bottom: 10px;
}

.kanban-card.collapsed .kanban-detail {
  display: none;
}

.kanban-card.collapsed .kanban-actions {
  margin-top: 0;
}

.kanban-card.collapsed .kanban-actions:empty {
  display: none;
}

.kanban-card p {
  margin: 0 0 10px;
  color: var(--ink);
  font-size: 12px;
  line-height: 1.55;
}

.kanban-route {
  margin: 0 0 10px;
  border-left: 3px solid rgba(113, 139, 114, 0.45);
  padding-left: 8px;
  color: var(--muted);
  overflow-wrap: anywhere;
  font-size: 11px;
}

.kanban-actions {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(72px, 1fr));
  gap: 8px;
  margin-top: 10px;
  padding-left: 10px;
}

.kanban-actions button {
  min-height: 30px;
  border-radius: 10px;
  padding: 0 10px;
  background: rgba(31, 37, 40, 0.08);
  color: var(--ink);
  font-size: 12px;
}

.kanban-actions button:last-child {
  background: var(--ink);
  color: #fffaf4;
}

[data-column-name="Decision Core"] .kanban-actions {
  grid-template-columns: repeat(2, minmax(0, 1fr));
}

[data-column-name="Decision Core"] .kanban-actions button:nth-child(2) {
  background: var(--ink);
  color: #fffaf4;
}

[data-column-name="Decision Core"] .kanban-actions button:nth-child(3) {
  background: #d8c5a5;
  color: var(--ink);
}

[data-column-name="Decision Core"] .kanban-actions button:last-child {
  background: #6f5a24;
  color: #fffaf4;
}

[data-column-name="Left Brain: Codex"] .kanban-actions button,
[data-column-name="Right Brain: Claude"] .kanban-actions button {
  background: #eef1ef;
  color: var(--steel);
}

[data-column-name="Done"] .kanban-actions button,
[data-column-name="Inbox"] .kanban-actions button {
  background: rgba(31, 37, 40, 0.08);
  color: var(--muted);
}

.card-dialog {
  width: min(720px, calc(100vw - 32px));
  border: 1px solid var(--line);
  border-radius: 16px;
  background: #fffaf4;
  color: var(--ink);
  box-shadow: 0 28px 80px rgba(31, 37, 40, 0.28);
  padding: 24px;
}

.card-dialog::backdrop {
  background: rgba(31, 37, 40, 0.28);
  backdrop-filter: blur(4px);
}

.dialog-close {
  float: right;
  min-height: 34px;
  border-radius: 10px;
  background: rgba(31, 37, 40, 0.08);
  color: var(--ink);
}

.dialog-kicker {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.card-dialog h2 {
  margin: 0 0 12px;
  font-size: 24px;
}

.card-dialog p,
.card-dialog dd {
  line-height: 1.7;
}

.card-dialog dl {
  display: grid;
  gap: 12px;
  margin: 18px 0 0;
}

.card-dialog dt {
  color: var(--muted);
  font-size: 12px;
}

.card-dialog dd {
  margin: 4px 0 0;
  white-space: pre-wrap;
  overflow-wrap: anywhere;
}

.dialog-warning {
  margin: 18px 0;
  padding: 14px 16px;
  border: 1px solid rgba(179, 125, 43, 0.35);
  border-radius: 14px;
  background: rgba(255, 228, 184, 0.45);
  color: var(--ink);
  line-height: 1.6;
}

.dialog-field {
  display: grid;
  gap: 8px;
  margin: 18px 0;
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.dialog-field textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  padding: 12px;
  font: inherit;
  font-weight: 500;
}

.dialog-field input {
  width: 100%;
  border: 1px solid var(--line);
  border-radius: 12px;
  background: #fff;
  color: var(--ink);
  padding: 12px;
  font: inherit;
  font-weight: 500;
}

.dialog-actions {
  display: flex;
  gap: 10px;
  justify-content: flex-end;
  margin-top: 18px;
}

.dialog-actions.stacked {
  flex-wrap: wrap;
}

.dialog-actions button {
  min-height: 42px;
  border-radius: 12px;
  padding: 0 18px;
  background: rgba(31, 37, 40, 0.08);
  color: var(--ink);
}

.dialog-actions .primary-action,
.dialog-actions button[data-return-type="reject"] {
  background: var(--ink);
  color: #fffaf4;
}

.dialog-actions .secondary-action {
  background: rgba(31, 37, 40, 0.08);
  color: var(--muted);
}

.kanban-empty,
.kanban-loading {
  margin: 0;
  padding: 18px;
  color: var(--muted);
  font-size: 13px;
}

.source-row {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  padding: 16px 20px 20px;
}

.source-row span {
  border: 1px solid var(--line);
  border-radius: 999px;
  padding: 8px 12px;
  background: rgba(255, 255, 255, 0.62);
  font-size: 13px;
}

.approval-body {
  background:
    linear-gradient(180deg, #f8faf7 0%, #eef3ef 100%);
}

.approval-shell {
  min-height: 100vh;
  width: min(760px, 100%);
  margin: 0 auto;
  padding: max(18px, env(safe-area-inset-top)) 14px max(24px, env(safe-area-inset-bottom));
}

.approval-topbar {
  position: sticky;
  top: 0;
  z-index: 4;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 14px;
  padding: 10px 0 14px;
  background: linear-gradient(180deg, #f8faf7 72%, rgba(248, 250, 247, 0));
}

.approval-topbar h1 {
  font-family: "Avenir Next", "PingFang SC", sans-serif;
  font-size: 30px;
  letter-spacing: 0;
}

.approval-link {
  flex: 0 0 auto;
  border-radius: 12px;
  padding: 10px 12px;
  background: rgba(31, 37, 40, 0.08);
  color: var(--ink);
  text-decoration: none;
  font-size: 13px;
  font-weight: 700;
}

.approval-status {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 4px 0 14px;
  border: 1px solid rgba(31, 37, 40, 0.12);
  border-radius: 8px;
  padding: 10px 12px;
  background: rgba(255, 255, 255, 0.7);
}

.approval-status button {
  min-height: 34px;
  border-radius: 8px;
  background: var(--steel);
}

.approval-list {
  display: grid;
  gap: 12px;
}

.approval-card {
  border: 1px solid rgba(31, 37, 40, 0.14);
  border-radius: 8px;
  background: #fffdf8;
  padding: 14px;
  box-shadow: 0 10px 28px rgba(41, 51, 46, 0.08);
}

.approval-card header {
  display: flex;
  justify-content: space-between;
  gap: 10px;
  color: var(--muted);
  font-size: 12px;
}

.approval-card header strong {
  border-radius: 999px;
  background: rgba(184, 138, 43, 0.14);
  color: #765a19;
  padding: 3px 9px;
}

.approval-card h2 {
  margin: 10px 0 8px;
  font-size: 20px;
  line-height: 1.34;
}

.approval-card p {
  margin: 0;
  color: var(--ink);
  line-height: 1.68;
}

.approval-card footer {
  position: sticky;
  bottom: max(8px, env(safe-area-inset-bottom));
  display: grid;
  grid-template-columns: 0.9fr 0.9fr 1.2fr;
  gap: 8px;
  margin-top: 14px;
  padding-top: 10px;
  background: linear-gradient(180deg, rgba(255, 253, 248, 0), #fffdf8 28%);
}

.approval-card footer button {
  min-height: 44px;
  border-radius: 8px;
  padding: 0 8px;
  background: rgba(31, 37, 40, 0.08);
  color: var(--ink);
}

.approval-card footer button:last-child {
  background: var(--ink);
  color: #fffaf4;
}

.approval-empty {
  margin: 28px 0;
  border: 1px dashed rgba(31, 37, 40, 0.18);
  border-radius: 8px;
  padding: 28px 16px;
  background: rgba(255, 255, 255, 0.5);
  color: var(--muted);
  text-align: center;
}

.approval-dialog {
  width: min(680px, calc(100vw - 18px));
}

@media (max-width: 980px) {
  .grid {
    grid-template-columns: 1fr;
  }

  .conversation {
    min-height: 520px;
  }

  .message {
    max-width: 100%;
  }

  .lane-middle {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 560px) {
  .approval-shell {
    padding-left: 10px;
    padding-right: 10px;
  }

  .approval-topbar h1 {
    font-size: 26px;
  }

  .approval-card {
    padding: 12px;
  }

  .approval-card h2 {
    font-size: 18px;
  }
}