:root {
  --bg: #f3ede0;
  --bg-elev: #faf6ec;
  --bg-elev-2: #ffffff;
  --bg-hover: rgba(60, 40, 20, 0.045);
  --bg-active: rgba(156, 44, 28, 0.07);
  --border: rgba(60, 40, 20, 0.1);
  --border-strong: rgba(60, 40, 20, 0.22);
  --text: #221b13;
  --text-mute: #6b5e4d;
  --text-dim: #9b8f7c;
  --accent: #9c2c1c;
  --accent-2: #b8412e;
  --accent-soft: rgba(156, 44, 28, 0.09);
  --accent-border: rgba(156, 44, 28, 0.32);
  --pri-high: #9c2c1c;
  --pri-normal: #5e6f42;
  --pri-low: #9b8f7c;
  --pri-ignore: #777;
  --pos: #4a7a3a;
  --font-sans: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  --font-serif: Georgia, "Times New Roman", serif;
  --font-mono: "SFMono-Regular", Consolas, "Liberation Mono", monospace;
  --radius-sm: 6px;
  --radius: 8px;
}

* { box-sizing: border-box; }
html, body { margin: 0; min-height: 100%; }
html { height: 100%; overflow: hidden; }
body {
  height: 100%;
  overflow: hidden;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 var(--font-sans);
  -webkit-font-smoothing: antialiased;
}
button, input, select { font: inherit; }
button { cursor: pointer; }
button:disabled { cursor: not-allowed; opacity: .58; }
code { font-family: var(--font-mono); font-size: .92em; }

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

.loading, .status, .empty, .error {
  padding: 24px;
  color: var(--text-dim);
  text-align: center;
}
.error {
  margin: 14px 18px;
  color: var(--accent);
  background: var(--accent-soft);
  border: 1px solid var(--accent-border);
  border-radius: var(--radius);
}

.topbar {
  height: 54px;
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 0 18px;
  flex-shrink: 0;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}

.brand {
  height: 100%;
  display: flex;
  align-items: center;
  gap: 8px;
  padding-right: 16px;
  border-right: 1px solid var(--border);
  font-weight: 700;
  letter-spacing: -.01em;
}
.brand small {
  color: var(--text-dim);
  font: 500 11px/1 var(--font-mono);
}
.brand-mark {
  width: 18px;
  height: 18px;
  border-radius: 4px;
  background: var(--accent);
  position: relative;
  flex: 0 0 auto;
}
.brand-mark::after {
  content: "";
  position: absolute;
  inset: 4px 3px 3px 4px;
  background: var(--bg-elev);
  border-radius: 2px;
  clip-path: polygon(0 0, 100% 0, 100% 60%, 50% 60%, 30% 100%, 30% 60%, 0 60%);
}

.channels {
  flex: 1;
  min-width: 0;
  display: flex;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
}
.channels::-webkit-scrollbar { display: none; }
.channel-chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  max-width: 260px;
  padding: 6px 10px;
  white-space: nowrap;
  color: var(--text-mute);
  background: transparent;
  border: 1px solid transparent;
  border-radius: var(--radius);
}
.channel-chip:hover { color: var(--text); background: var(--bg-hover); }
.channel-chip.active {
  color: var(--text);
  background: var(--accent-soft);
  border-color: var(--accent-border);
}
.channel-icon {
  width: 17px;
  height: 17px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex: 0 0 auto;
  border-radius: 4px;
  background: var(--border);
  color: var(--text-dim);
  font: 700 10px/1 var(--font-mono);
}
.channel-chip.active .channel-icon { color: #fff; background: var(--accent); }
.channel-name {
  min-width: 0;
  overflow: hidden;
  text-overflow: ellipsis;
}
.channel-count {
  padding: 1px 5px;
  border-radius: 4px;
  background: rgba(255,255,255,.55);
  color: var(--accent);
  font: 500 11px/1.4 var(--font-mono);
}

.topbar-right {
  display: flex;
  align-items: center;
  gap: 10px;
}
.live-dot {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-mute);
  font: 500 11px/1 var(--font-mono);
}
.live-dot::before {
  content: "";
  width: 7px;
  height: 7px;
  border-radius: 50%;
  background: var(--pos);
  box-shadow: 0 0 0 0 rgba(74,122,58,.5);
  animation: pulse 2.4s ease-out infinite;
}
@keyframes pulse {
  70% { box-shadow: 0 0 0 7px rgba(74,122,58,0); }
  100% { box-shadow: 0 0 0 0 rgba(74,122,58,0); }
}

.search-box {
  width: 260px;
  height: 31px;
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 0 10px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.search-box svg {
  width: 14px;
  height: 14px;
  fill: none;
  stroke: currentColor;
  stroke-width: 1.7;
  color: var(--text-dim);
}
.search-box input {
  width: 100%;
  min-width: 0;
  border: 0;
  outline: 0;
  background: transparent;
  color: var(--text);
}
.search-box input::placeholder { color: var(--text-dim); }

.layer-tabs {
  display: none;
  flex-shrink: 0;
  background: var(--bg-elev);
  border-bottom: 1px solid var(--border);
}
.layer-tab {
  flex: 1;
  min-width: 0;
  position: relative;
  display: flex;
  flex-direction: column;
  align-items: flex-start;
  gap: 1px;
  padding: 9px 12px;
  color: var(--text-mute);
  background: transparent;
  border: 0;
  border-right: 1px solid var(--border);
}
.layer-tab:last-child { border-right: 0; }
.layer-tab.active { background: var(--bg); color: var(--text); }
.layer-tab.active::after {
  content: "";
  position: absolute;
  left: 0;
  right: 0;
  bottom: -1px;
  height: 2px;
  background: var(--accent);
}
.lt-eyebrow {
  color: var(--accent);
  font: 700 9px/1 var(--font-mono);
  letter-spacing: .12em;
}
.lt-label { font-weight: 650; }
.lt-count {
  position: absolute;
  top: 7px;
  right: 8px;
  padding: 1px 4px;
  border-radius: 4px;
  color: var(--text-dim);
  background: var(--border);
  font: 500 9px/1.3 var(--font-mono);
}

.columns {
  flex: 1;
  height: 100%;
  min-height: 0;
  display: grid;
  grid-template-columns: minmax(360px, 1.12fr) minmax(310px, .94fr) minmax(330px, 1fr);
  overflow: hidden;
}
.column {
  min-width: 0;
  min-height: 0;
  display: flex;
  flex-direction: column;
  background: var(--bg);
  border-right: 1px solid var(--border);
}
.column:last-child { border-right: 0; }
.column-head {
  flex-shrink: 0;
  padding: 15px 18px 11px;
  border-bottom: 1px solid var(--border);
}
.column-title {
  display: flex;
  align-items: center;
  gap: 8px;
  color: var(--text-dim);
  text-transform: uppercase;
  letter-spacing: .1em;
  font: 700 11px/1.3 var(--font-mono);
}
.column-title b { color: var(--accent); }
.column-head h1 {
  margin: 5px 0 2px;
  color: var(--text);
  font: 500 20px/1.2 var(--font-serif);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.column-head p {
  margin: 0;
  color: var(--text-mute);
  font-size: 12px;
}
.toolbar {
  min-height: 44px;
  display: flex;
  align-items: center;
  gap: 9px;
  flex-shrink: 0;
  padding: 8px 18px;
  border-bottom: 1px solid var(--border);
  color: var(--text-mute);
}
.toolbar button, .select {
  min-height: 28px;
  padding: 4px 9px;
  color: var(--text-mute);
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
}
.toolbar button:hover, .select:hover { color: var(--text); border-color: var(--border-strong); }
.toolbar button.on {
  color: var(--accent);
  background: var(--accent-soft);
  border-color: var(--accent-border);
}
.toolbar-note {
  margin-left: auto;
  color: var(--text-dim);
  white-space: nowrap;
  font: 500 11px/1 var(--font-mono);
}
.column-body {
  flex: 1;
  height: 100%;
  min-height: 0;
  overflow-y: scroll;
  overscroll-behavior: contain;
  -webkit-overflow-scrolling: touch;
}

.hidden-banner, .load-more {
  width: calc(100% - 36px);
  margin: 12px 18px 4px;
  padding: 8px 10px;
  color: var(--text-dim);
  background: var(--bg-elev);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  font: 500 11px/1.4 var(--font-mono);
}
.hidden-banner:hover, .load-more:hover { color: var(--accent); border-color: var(--accent-border); }
.load-more {
  margin-bottom: 80px;
  border-style: solid;
}

.message-list { padding: 6px 0 12px; }
.message {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 10px;
  padding: 9px 18px;
  border-left: 2px solid transparent;
}
.message:hover { background: var(--bg-hover); }
.message.selected {
  background: var(--accent-soft);
  border-left-color: var(--accent);
}
.message.priority-low, .message.priority-ignore { opacity: .78; }
.message.archived { opacity: .42; }
.message.archived .message-text { text-decoration: line-through; text-decoration-color: var(--text-dim); }
.message-main { min-width: 0; }
.message-head {
  display: flex;
  align-items: baseline;
  flex-wrap: wrap;
  gap: 7px;
  margin-bottom: 2px;
}
.message-head strong { font-size: 13px; }
.message-head time {
  color: var(--text-dim);
  font: 500 11px/1 var(--font-mono);
}
.priority-badge {
  padding: 1px 5px;
  border-radius: 4px;
  text-transform: uppercase;
  letter-spacing: .06em;
  font: 700 9px/1.4 var(--font-mono);
}
.priority-badge.high { color: var(--pri-high); background: rgba(156,44,28,.09); border: 1px solid rgba(156,44,28,.2); }
.priority-badge.normal { color: var(--pri-normal); background: rgba(94,111,66,.1); border: 1px solid rgba(94,111,66,.18); }
.priority-badge.low { color: var(--pri-low); background: var(--border); border: 1px solid transparent; }
.priority-badge.ignore { color: var(--pri-ignore); background: rgba(0,0,0,.06); border: 1px solid transparent; }
.message-text {
  margin: 0;
  color: var(--text);
  font-size: 13.5px;
  overflow-wrap: anywhere;
  white-space: pre-wrap;
}
.muted { color: var(--text-dim); }
.thumb {
  max-width: 280px;
  margin-top: 7px;
  padding: 0;
  display: inline-block;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg-elev);
}
.thumb img {
  display: block;
  max-width: 100%;
  height: auto;
}
.thumb span {
  position: absolute;
  left: 7px;
  bottom: 7px;
  padding: 2px 6px;
  color: rgba(255,255,255,.9);
  background: rgba(0,0,0,.62);
  border-radius: 4px;
  font: 500 10px/1.4 var(--font-mono);
}
.message-actions {
  display: flex;
  gap: 2px;
  opacity: 0;
}
.message:hover .message-actions, .message.starred .message-actions { opacity: 1; }
.message-actions button {
  width: 26px;
  height: 26px;
  padding: 0;
  border: 0;
  border-radius: var(--radius-sm);
  color: var(--text-dim);
  background: transparent;
}
.message-actions button:hover { color: var(--text); background: var(--bg-elev-2); }
.message.starred .message-actions button:first-child { color: var(--accent); }

.empty-panel, .detail-card, .state-summary, .insight-card, .report-shell {
  margin: 18px;
  padding: 18px;
  background: var(--bg-elev-2);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.panel-kicker, .report-eyebrow {
  display: block;
  margin-bottom: 8px;
  color: var(--accent);
  text-transform: uppercase;
  letter-spacing: .12em;
  font: 700 10px/1.2 var(--font-mono);
}
.empty-panel h2, .detail-card h2, .report-shell h2 {
  margin: 0 0 8px;
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.22;
}
.empty-panel p, .report-shell p { color: var(--text-mute); }
.detail-card dl {
  display: grid;
  grid-template-columns: 92px 1fr;
  gap: 7px 12px;
  margin: 14px 0;
}
.detail-card dt {
  color: var(--text-dim);
  font: 700 10px/1.5 var(--font-mono);
  text-transform: uppercase;
  letter-spacing: .08em;
}
.detail-card dd {
  min-width: 0;
  margin: 0;
  overflow-wrap: anywhere;
}
.detail-content {
  padding: 13px;
  white-space: pre-wrap;
  color: var(--text);
  background: var(--bg);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.detail-image {
  max-width: 100%;
  margin-top: 12px;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.state-summary { background: var(--bg-elev); }
.state-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-bottom: 14px;
}
.state-meta span, .report-window, .report-sources span, .topic-tags span {
  display: inline-flex;
  max-width: 100%;
  padding: 2px 6px;
  color: var(--text-mute);
  background: rgba(255,255,255,.58);
  border: 1px solid var(--border);
  border-radius: 4px;
  font: 500 10px/1.4 var(--font-mono);
}
.markdown-body {
  color: var(--text);
  overflow-wrap: anywhere;
}
.markdown-body p {
  margin: 0 0 10px;
  white-space: pre-wrap;
}
.markdown-body h3, .markdown-body h4, .markdown-body h5 {
  margin: 16px 0 8px;
  color: var(--text);
  font-family: var(--font-serif);
  font-weight: 500;
  line-height: 1.25;
}
.markdown-body h3 { font-size: 18px; }
.markdown-body h4 { font-size: 16px; }
.markdown-body h5 { font-size: 14px; }
.markdown-body ul {
  margin: 0 0 12px;
  padding-left: 20px;
}
.markdown-body li { margin: 4px 0; }
.markdown-body blockquote {
  margin: 0 0 12px;
  padding: 9px 12px;
  color: var(--text-mute);
  background: var(--bg-elev-2);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.markdown-body a, .reference-list a {
  color: var(--accent);
  text-decoration-color: var(--accent-border);
  text-underline-offset: 2px;
}
.insight-list { padding-bottom: 2px; }
.insight-card {
  padding: 14px 16px;
  border-left: 3px solid var(--border-strong);
}
.insight-card.priority-high { border-left-color: var(--pri-high); }
.insight-card.priority-normal { border-left-color: var(--pri-normal); }
.insight-card.priority-low { border-left-color: var(--pri-low); }
.insight-card.priority-ignore { opacity: .72; }
.insight-head {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 10px;
}
.insight-head h3 {
  margin: 0;
  font: 650 14px/1.28 var(--font-sans);
}
.insight-card p {
  margin: 8px 0 0;
  color: var(--text-mute);
  white-space: pre-wrap;
}
.source-row {
  display: flex;
  flex-wrap: wrap;
  gap: 5px;
  margin-top: 10px;
}
.source-row code {
  max-width: 100%;
  padding: 2px 5px;
  overflow: hidden;
  text-overflow: ellipsis;
  color: var(--text-dim);
  background: var(--bg);
  border-radius: 4px;
}
.inline-empty {
  margin: 6px 18px 18px;
  padding: 10px;
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}
.report-list {
  display: grid;
  gap: 8px;
  padding: 12px 18px 0;
}
.report-item {
  width: 100%;
  display: grid;
  gap: 5px;
  padding: 10px;
  text-align: left;
  color: var(--text-mute);
  background: var(--bg-elev);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.report-item:hover {
  color: var(--text);
  border-color: var(--border-strong);
}
.report-item.active {
  color: var(--text);
  background: var(--accent-soft);
  border-color: var(--accent-border);
}
.report-item strong {
  color: var(--text);
  line-height: 1.25;
}
.report-item span:last-child {
  display: -webkit-box;
  overflow: hidden;
  -webkit-box-orient: vertical;
  -webkit-line-clamp: 2;
  font-size: 12px;
}
.report-shell {
  max-width: 720px;
  font-family: var(--font-serif);
  line-height: 1.68;
}
.report-shell .exec {
  padding: 14px 16px;
  color: var(--text);
  background: var(--bg-elev);
  border-left: 3px solid var(--accent);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.report-shell h3 {
  margin: 26px 0 12px;
  padding-bottom: 6px;
  color: var(--accent);
  border-bottom: 1px solid var(--border);
  font: 700 11px/1.3 var(--font-mono);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.topic-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin: 0 0 14px;
}
.reference-list {
  display: grid;
  gap: 7px;
  font-family: var(--font-sans);
  font-size: 12px;
}
.reference-list a, .reference-list span {
  overflow-wrap: anywhere;
}
.report-sources {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  margin-top: 18px;
  padding-top: 12px;
  border-top: 1px solid var(--border);
}

.lightbox {
  position: fixed;
  inset: 0;
  z-index: 50;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 40px;
  background: rgba(0,0,0,.86);
}
.lightbox img {
  max-width: 100%;
  max-height: 100%;
  border-radius: var(--radius);
}

@media (max-width: 1180px) {
  .columns { grid-template-columns: minmax(340px, 1.2fr) minmax(290px, .9fr) minmax(300px, .9fr); }
  .search-box { width: 210px; }
  .topbar { gap: 10px; padding: 0 12px; }
  .brand small, .live-dot { display: none; }
  .column-head, .toolbar, .message { padding-left: 14px; padding-right: 14px; }
}

@media (max-width: 880px) {
  body { overflow: hidden; }
  .topbar { height: 48px; }
  .brand { padding-right: 8px; }
  .brand span:not(.brand-mark), .channel-count { display: none; }
  .channel-chip { padding: 5px 8px; }
  .search-box { width: 38px; padding: 0; justify-content: center; }
  .search-box input { display: none; }
  .search-box:focus-within {
    position: absolute;
    z-index: 20;
    left: 10px;
    right: 10px;
    width: auto;
    padding: 0 10px;
    justify-content: flex-start;
    box-shadow: 0 8px 22px rgba(0,0,0,.16);
  }
  .search-box:focus-within input { display: block; }
  .layer-tabs { display: flex; }
  .columns { display: block; }
  .column {
    display: none;
    height: calc(100dvh - 48px - 56px);
    min-height: 0;
    border-right: 0;
  }
  .column.active-layer { display: flex; }
  .message-actions { opacity: 1; }
  .toolbar { overflow-x: auto; }
  .toolbar-note { display: none; }
}

@media (max-width: 520px) {
  .channel-name { display: none; }
  .column-head h1 { font-size: 18px; }
  .message-actions {
    grid-column: 1;
    margin-top: -2px;
  }
  .detail-card dl { grid-template-columns: 1fr; }
}