/* ═══════════════════════════════════════════════════════════════
   KiLu Operator Console v2 — Layout & Components (U1-B2)
   Product grammar: decision-first, mail-ops console
═══════════════════════════════════════════════════════════════ */

/* ── Reset ────────────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html, body {
  height: 100%;
  background: var(--bg-base);
  color: var(--text-primary);
  font-family: var(--font-sans);
  font-size: var(--fs-base);
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  overflow: hidden;
}
a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; border: none; }
input, select { font-family: inherit; }

/* ── App shell ────────────────────────────────────────────────── */
.shell {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  grid-template-rows: var(--topbar-h) 1fr;
  grid-template-areas: "sidebar topbar" "sidebar main";
  height: 100vh;
  overflow: hidden;
}

/* ── Topbar ───────────────────────────────────────────────────── */
.topbar {
  grid-area: topbar;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 var(--sp-5);
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-faint);
  gap: var(--sp-4);
}
.topbar-left  { display: flex; align-items: center; gap: var(--sp-3); }
.topbar-right { display: flex; align-items: center; gap: var(--sp-3); }
.topbar-title {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--text-primary);
}
.topbar-meta {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

/* ── Sidebar ──────────────────────────────────────────────────── */
.sidebar {
  grid-area: sidebar;
  display: flex;
  flex-direction: column;
  background: var(--bg-primary);
  border-right: 1px solid var(--border-faint);
  padding-top: var(--sp-4);
}

.sidebar-logo {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 0 var(--sp-4) var(--sp-4);
  border-bottom: 1px solid var(--border-faint);
  margin-bottom: var(--sp-3);
}
.logo-mark {
  width: 22px; height: 22px;
  background: var(--accent);
  border-radius: var(--r-sm);
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700; color: #0d1117; flex-shrink: 0;
}
.logo-text  { font-size: var(--fs-sm); font-weight: 600; color: var(--text-primary); }
.logo-sub   { font-size: 10px; color: var(--text-tertiary); }

.nav-section {
  padding: 0 var(--sp-3) var(--sp-1);
  margin-top: var(--sp-2);
}
.nav-section-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-tertiary);
  padding: var(--sp-2) var(--sp-2);
}
.nav-item {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 6px var(--sp-2);
  border-radius: var(--r-sm);
  font-size: var(--fs-sm);
  font-weight: 500;
  color: var(--text-secondary);
  transition: color var(--t-fast), background var(--t-fast);
  cursor: pointer;
}
.nav-item:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.nav-item.active { background: var(--accent-dim); color: var(--accent); }
.nav-item svg { width: 14px; height: 14px; opacity: .7; flex-shrink: 0; }
.nav-item.active svg { opacity: 1; }
.nav-badge {
  margin-left: auto;
  background: var(--accent);
  color: #0d1117;
  font-size: 10px;
  font-weight: 700;
  padding: 1px 5px;
  border-radius: 10px;
}
.sidebar-footer {
  margin-top: auto;
  padding: var(--sp-3) var(--sp-4);
  border-top: 1px solid var(--border-faint);
  font-size: 10px;
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}

/* ── Main area ────────────────────────────────────────────────── */
.main {
  grid-area: main;
  overflow: hidden;
  display: flex;
  flex-direction: column;
  background: var(--bg-base);
}

/* ═══════════════════════════════════════════════════════════════
   INBOX — Split view
   38% list | 62% selection pane
═══════════════════════════════════════════════════════════════ */

/* Status bar (compact 3-metric strip under topbar) */
.status-strip {
  display: flex;
  align-items: center;
  gap: 1px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-faint);
  flex-shrink: 0;
}
.status-strip-item {
  flex: 1;
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-4);
  border-right: 1px solid var(--border-faint);
}
.status-strip-item:last-child { border-right: none; }
.strip-value {
  font-size: var(--fs-lg);
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
  letter-spacing: -.02em;
}
.strip-label {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
}
.strip-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.strip-dot.reply   { background: var(--signal-reply); }
.strip-dot.pending { background: var(--signal-pending); }
.strip-dot.warn    { background: var(--signal-warn); }
.strip-dot.muted   { background: var(--text-tertiary); }

/* Split layout */
.inbox-split {
  display: grid;
  grid-template-columns: 360px 1fr;
  flex: 1;
  overflow: hidden;
}

/* Thread list */
.thread-list {
  border-right: 1px solid var(--border-faint);
  overflow-y: auto;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
}

.thread-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border-faint);
  flex-shrink: 0;
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  z-index: 2;
}
.thread-list-filter {
  display: flex;
  gap: var(--sp-2);
}

.thread-item {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border-faint);
  cursor: pointer;
  transition: background var(--t-fast);
  display: flex;
  flex-direction: column;
  gap: var(--sp-1);
}
.thread-item:hover { background: var(--bg-secondary); }
.thread-item.selected {
  background: var(--accent-dim);
  border-left: 2px solid var(--accent);
}
.thread-item.selected .thread-subject { color: var(--accent); }

.thread-item-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
}
.thread-subject {
  font-size: var(--fs-md);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  flex: 1;
}
.thread-age {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
  flex-shrink: 0;
}
.thread-item-mid {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}
.thread-mailbox {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  font-family: var(--font-mono);
}
.thread-item-bottom {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  margin-top: 2px;
}
.thread-snippet {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  flex: 1;
}

/* Selection pane */
.selection-pane {
  overflow-y: auto;
  background: var(--bg-base);
  display: flex;
  flex-direction: column;
}

.pane-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  color: var(--text-tertiary);
}
.pane-empty svg { opacity: .25; }
.pane-empty-text { font-size: var(--fs-sm); }

.pane-content {
  flex: 1;
  display: flex;
  flex-direction: column;
}

/* Pane header */
.pane-header {
  padding: var(--sp-5) var(--sp-6) var(--sp-4);
  border-bottom: 1px solid var(--border-faint);
  background: var(--bg-primary);
  flex-shrink: 0;
}
.pane-subject {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.02em;
  line-height: 1.3;
  margin-bottom: var(--sp-2);
}
.pane-header-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* Pane body */
.pane-body {
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

/* Routing row */
.routing-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
}
.routing-mb {
  font-family: var(--font-mono);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.routing-mb.reply { color: var(--signal-reply); font-weight: 600; }
.routing-arrow { color: var(--text-tertiary); font-size: var(--fs-xs); flex: 0; }
.routing-conf-chip {
  margin-left: auto;
  font-size: var(--fs-xs);
  padding: 2px 8px;
  border-radius: var(--r-xs);
  background: var(--bg-tertiary);
}

/* Signals strip */
.signals-strip {
  display: flex;
  gap:var(--sp-2);
  flex-wrap: wrap;
}
.sig {
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  min-width: 60px;
  padding: var(--sp-2) var(--sp-3);
  background: var(--bg-secondary);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-sm);
  gap: 2px;
}
.sig-value {
  font-size: var(--fs-md);
  font-weight: 700;
  color: var(--text-primary);
  font-family: var(--font-mono);
}
.sig-label {
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: .06em;
  font-weight: 600;
  white-space: nowrap;
}
.sig.hot .sig-value { color: var(--signal-warn); }
.sig.active .sig-value { color: var(--signal-reply); }

/* Pane section */
.pane-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-tertiary);
  margin-bottom: var(--sp-2);
}

.reason-block {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  font-style: italic;
  line-height: 1.7;
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg-secondary);
  border-radius: var(--r-sm);
  border-left: 2px solid var(--border-mid);
}

/* ═══════════════════════════════════════════════════════════════
   THREAD DETAIL — 65/35 (content / operator sidebar)
═══════════════════════════════════════════════════════════════ */

.thread-layout {
  flex: 1;
  display: grid;
  grid-template-columns: 1fr 320px;
  overflow: hidden;
}

/* Left: main content */
.thread-content {
  overflow-y: auto;
  padding: var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
  border-right: 1px solid var(--border-faint);
}

.thread-title {
  font-size: var(--fs-2xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.03em;
  line-height: 1.25;
}

.thread-meta-row {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  flex-wrap: wrap;
}

/* Right: operator sidebar */
.thread-sidebar {
  overflow-y: auto;
  background: var(--bg-primary);
  border-left: 1px solid var(--border-faint);
  display: flex;
  flex-direction: column;
}

.sidebar-section {
  padding: var(--sp-4) var(--sp-5);
  border-bottom: 1px solid var(--border-faint);
}
.sidebar-section:last-child { border-bottom: none; }

.sidebar-section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-tertiary);
  margin-bottom: var(--sp-3);
}

.sidebar-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
  margin-bottom: var(--sp-3);
}
.sidebar-field:last-child { margin-bottom: 0; }
.sidebar-field-label {
  font-size: 10px;
  text-transform: uppercase;
  letter-spacing: .07em;
  font-weight: 600;
  color: var(--text-tertiary);
}
.sidebar-field-value {
  font-size: var(--fs-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
}

/* Routing decision block */
.routing-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--r-md);
  padding: var(--sp-3) var(--sp-4);
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.routing-block-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: var(--fs-sm);
}
.routing-block-label { color: var(--text-tertiary); font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .06em; font-weight: 600; }
.routing-block-value { font-family: var(--font-mono); color: var(--text-primary); }
.routing-block-value.reply { color: var(--signal-reply); font-weight: 600; }

/* Signal grid 2-col */
.signal-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-2);
}
.signal-cell {
  background: var(--bg-secondary);
  border-radius: var(--r-sm);
  padding: var(--sp-2) var(--sp-3);
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.signal-cell-val {
  font-size: var(--fs-md);
  font-weight: 700;
  font-family: var(--font-mono);
  color: var(--text-primary);
}
.signal-cell-lbl {
  font-size: 10px;
  color: var(--text-tertiary);
  text-transform: uppercase;
  letter-spacing: .05em;
  font-weight: 600;
}
.signal-cell.warn .signal-cell-val { color: var(--signal-warn); }
.signal-cell.active .signal-cell-val { color: var(--signal-reply); }

/* Message timeline */
.timeline {
  display: flex;
  flex-direction: column;
  gap: var(--sp-3);
}
.timeline-item {
  display: flex;
  gap: var(--sp-3);
}
.timeline-line {
  display: flex;
  flex-direction: column;
  align-items: center;
  flex-shrink: 0;
}
.timeline-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--border-mid);
  flex-shrink: 0;
  margin-top: 4px;
}
.timeline-dot.inbound  { background: var(--signal-reply); }
.timeline-dot.outbound { background: var(--accent); }
.timeline-track {
  flex: 1;
  width: 1px;
  background: var(--border-faint);
  margin-top: 4px;
}
.timeline-body { flex: 1; }
.timeline-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: var(--sp-1);
}
.timeline-sender {
  font-size: var(--fs-xs);
  font-weight: 600;
  color: var(--text-secondary);
}
.timeline-time {
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
  font-family: var(--font-mono);
}
.timeline-text {
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.6;
  padding: var(--sp-2) var(--sp-3);
  background: var(--bg-secondary);
  border-radius: var(--r-sm);
}

/* ═══════════════════════════════════════════════════════════════
   DRAFTS — Mail-client layout (35% list / 65% workspace)
═══════════════════════════════════════════════════════════════ */

.drafts-split {
  display: grid;
  grid-template-columns: 320px 1fr;
  flex: 1;
  overflow: hidden;
}

.draft-list {
  border-right: 1px solid var(--border-faint);
  overflow-y: auto;
  background: var(--bg-primary);
  display: flex;
  flex-direction: column;
}
.draft-list-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border-faint);
  position: sticky;
  top: 0;
  background: var(--bg-primary);
  z-index: 2;
  flex-shrink: 0;
}

.draft-item {
  padding: var(--sp-3) var(--sp-4);
  border-bottom: 1px solid var(--border-faint);
  cursor: pointer;
  transition: background var(--t-fast);
}
.draft-item:hover { background: var(--bg-secondary); }
.draft-item.selected {
  background: var(--accent-dim);
  border-left: 2px solid var(--accent);
}
.draft-item-top {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: var(--sp-2);
  margin-bottom: var(--sp-1);
}
.draft-to {
  font-size: var(--fs-sm);
  font-weight: 600;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.draft-item-subject {
  font-size: var(--fs-xs);
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  margin-bottom: var(--sp-1);
}
.draft-item-bottom {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
}

/* Draft workspace */
.draft-workspace {
  overflow-y: auto;
  background: var(--bg-base);
  display: flex;
  flex-direction: column;
}
.workspace-empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: var(--sp-3);
  color: var(--text-tertiary);
}

.workspace-header {
  padding: var(--sp-5) var(--sp-6) var(--sp-4);
  border-bottom: 1px solid var(--border-faint);
  background: var(--bg-primary);
  flex-shrink: 0;
}
.workspace-subject {
  font-size: var(--fs-xl);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -.02em;
  margin-bottom: var(--sp-2);
}
.workspace-meta {
  display: flex;
  align-items: center;
  gap: var(--sp-4);
  flex-wrap: wrap;
}
.workspace-meta-item {
  display: flex;
  align-items: center;
  gap: var(--sp-1);
  font-size: var(--fs-xs);
  color: var(--text-tertiary);
}
.workspace-meta-item strong {
  color: var(--text-secondary);
  font-weight: 500;
}

.workspace-body {
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-5);
}

.draft-body-block {
  background: var(--bg-secondary);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  overflow: hidden;
}
.draft-body-label {
  padding: var(--sp-2) var(--sp-4);
  background: var(--bg-tertiary);
  border-bottom: 1px solid var(--border-faint);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.draft-body-text {
  padding: var(--sp-4) var(--sp-5);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.8;
  white-space: pre-wrap;
}

.workspace-meta-card {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 1px;
  background: var(--border-faint);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  overflow: hidden;
}
.wmc-cell {
  background: var(--bg-secondary);
  padding: var(--sp-3) var(--sp-4);
}
.wmc-label {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .07em;
  color: var(--text-tertiary);
  margin-bottom: 3px;
}
.wmc-value {
  font-size: var(--fs-sm);
  color: var(--text-primary);
  font-family: var(--font-mono);
}
.wmc-value.reply { color: var(--signal-reply); }

.loops-list {
  display: flex;
  flex-direction: column;
  gap: var(--sp-2);
}
.loop-item {
  display: flex;
  align-items: flex-start;
  gap: var(--sp-2);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
  line-height: 1.5;
}
.loop-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--signal-reply);
  flex-shrink: 0;
  margin-top: 5px;
}

/* ═══════════════════════════════════════════════════════════════
   STATUS — Dense operational cards
═══════════════════════════════════════════════════════════════ */

.status-layout {
  flex: 1;
  overflow-y: auto;
  padding: var(--sp-5) var(--sp-6);
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
}

.op-card {
  background: var(--bg-primary);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  overflow: hidden;
}
.op-card-header {
  padding: var(--sp-2) var(--sp-4);
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-faint);
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-tertiary);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.op-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: var(--sp-2) var(--sp-4);
  border-bottom: 1px solid var(--border-faint);
  font-size: var(--fs-sm);
}
.op-row:last-child { border-bottom: none; }
.op-row-label {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  color: var(--text-secondary);
}
.op-row-value {
  font-family: var(--font-mono);
  font-size: var(--fs-xs);
  color: var(--text-primary);
}
.op-row-value.online  { color: var(--signal-reply); }
.op-row-value.offline { color: var(--text-tertiary); }
.op-row-value.accent  { color: var(--accent); }

/* Component row — 3-state health display */
.component-row { align-items: flex-start; padding: var(--sp-3) var(--sp-4); }
.component-meta { display: flex; flex-direction: column; align-items: flex-end; gap: 2px; }
.comp-health { font-size: var(--fs-xs); font-weight: 600; font-family: var(--font-mono); }
.comp-health.online  { color: var(--online); }
.comp-health.stale   { color: var(--stale); }
.comp-health.unknown { color: var(--text-tertiary); }
.comp-detail { font-size: 10px; color: var(--text-tertiary); font-family: var(--font-mono); }
.status-chip {
  font-size: 10px; font-family: var(--font-mono); font-weight: 600;
  padding: 1px 5px; border-radius: var(--r-xs);
}
.status-chip.status-ok       { color: var(--signal-reply);   background: rgba(63,185,80,.1); }
.status-chip.status-degraded { color: var(--signal-waiting); background: rgba(227,179,65,.1); }
.status-chip.status-error    { color: var(--signal-warn);    background: rgba(248,81,73,.1); }

.status-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: var(--sp-4);
}

.status-dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.status-dot.online  { background: var(--online);  box-shadow: 0 0 4px var(--online); }
.status-dot.stale   { background: var(--stale);   box-shadow: 0 0 4px var(--stale); animation: pulse-stale 2s infinite; }
.status-dot.unknown { background: var(--unknown); }
.status-dot.offline { background: var(--offline); }
.status-dot.warn    { background: var(--signal-waiting); }
@keyframes pulse-stale {
  0%, 100% { opacity: 1; }  50% { opacity: .45; }
}

.health-banner {
  display: flex;
  align-items: center;
  gap: var(--sp-3);
  padding: var(--sp-3) var(--sp-4);
  background: var(--bg-primary);
  border: 1px solid var(--border-faint);
  border-radius: var(--r-md);
  font-size: var(--fs-sm);
  color: var(--text-secondary);
}
.health-banner .clock {
  font-family: var(--font-mono);
  font-size: var(--fs-lg);
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: .04em;
  margin-left: auto;
}

/* ═══════════════════════════════════════════════════════════════
   SHARED COMPONENTS
═══════════════════════════════════════════════════════════════ */

/* Badges */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 6px;
  border-radius: var(--r-xs);
  font-size: var(--fs-xs);
  font-weight: 600;
  line-height: 1.4;
  white-space: nowrap;
}
.badge-dot { width: 5px; height: 5px; border-radius: 50%; background: currentColor; flex-shrink: 0; }

.badge-reply    { color: var(--signal-reply);   background: rgba(63,185,80,.12); }
.badge-pending  { color: var(--signal-pending); background: rgba(163,113,247,.12); }
.badge-waiting  { color: var(--signal-waiting); background: rgba(227,179,65,.12); }
.badge-noise    { color: var(--text-tertiary);  background: rgba(72,79,88,.15); }
.badge-archived { color: var(--text-tertiary);  background: rgba(72,79,88,.1); }
.badge-draft    { color: var(--accent);         background: var(--accent-dim); }
.badge-approved { color: var(--signal-reply);   background: rgba(63,185,80,.12); }
.badge-sent     { color: var(--signal-reply);   background: rgba(63,185,80,.08); }
.badge-failed   { color: var(--signal-warn);    background: rgba(248,81,73,.12); }
.badge-review   { color: var(--signal-waiting); background: rgba(227,179,65,.12); }

.score-chip {
  display: inline-block;
  font-family: var(--font-mono);
  font-size: 11px;
  font-weight: 700;
  padding: 1px 6px;
  border-radius: var(--r-xs);
  min-width: 30px;
  text-align: center;
}
.score-chip.hot  { background: rgba(248,81,73,.18);  color: var(--signal-warn); }
.score-chip.warm { background: rgba(227,179,65,.15); color: var(--signal-waiting); }
.score-chip.cool { background: var(--accent-dim);    color: var(--accent); }
.score-chip.cold { background: var(--bg-tertiary);   color: var(--text-tertiary); }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: var(--sp-2);
  padding: 5px 10px;
  border-radius: var(--r-sm);
  font-size: var(--fs-xs);
  font-weight: 600;
  transition: background var(--t-fast), color var(--t-fast);
  cursor: pointer;
  border: none;
}
.btn-primary  { background: var(--accent); color: #0d1117; }
.btn-primary:hover { background: var(--accent-hover); }
.btn-ghost { background: transparent; border: 1px solid var(--border-mid); color: var(--text-secondary); }
.btn-ghost:hover { background: var(--bg-tertiary); color: var(--text-primary); }
.btn-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 5px;
  border-radius: var(--r-sm);
  background: transparent;
  border: 1px solid var(--border-mid);
  color: var(--text-secondary);
  transition: background var(--t-fast), color var(--t-fast);
}
.btn-icon:hover { background: var(--bg-tertiary); color: var(--text-primary); }

/* Filter select */
.filter-select {
  background: var(--bg-input);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  color: var(--text-secondary);
  padding: 4px 24px 4px 8px;
  font-size: var(--fs-xs);
  font-weight: 500;
  appearance: none;
  cursor: pointer;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='10' viewBox='0 0 10 10'%3E%3Cpath fill='%23484f58' d='M5 7L1 3h8z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: right 7px center;
  transition: border-color var(--t-fast);
}
.filter-select:focus { outline: none; border-color: var(--accent); color: var(--text-primary); }

/* Mono text */
.mono { font-family: var(--font-mono); font-size: var(--fs-xs); }

/* Conf dots */
.conf-dot { display: inline-block; width: 7px; height: 7px; border-radius: 50%; margin-right: 3px; }
.conf-high   { background: var(--conf-high);  }
.conf-medium { background: var(--conf-med);   }
.conf-low    { background: var(--conf-low);   }

/* Section title */
.section-title {
  font-size: 10px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: .08em;
  color: var(--text-tertiary);
  margin-bottom: var(--sp-2);
}

/* Warning banner */
.warn-banner {
  display: flex;
  align-items: center;
  gap: var(--sp-2);
  padding: var(--sp-2) var(--sp-3);
  background: rgba(227,179,65,.08);
  border: 1px solid rgba(227,179,65,.3);
  border-radius: var(--r-sm);
  font-size: var(--fs-xs);
  color: var(--signal-waiting);
}

/* ── Key overlay ──────────────────────────────────────────────── */
.key-overlay {
  position: fixed;
  inset: 0;
  background: rgba(13,17,23,0.95);
  backdrop-filter: blur(6px);
  display: flex;
  align-items: center;
  justify-content: center;
  z-index: 1000;
}
.key-dialog {
  background: var(--bg-primary);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-lg);
  padding: var(--sp-8);
  width: 100%;
  max-width: 400px;
  display: flex;
  flex-direction: column;
  gap: var(--sp-4);
  box-shadow: 0 16px 48px rgba(0,0,0,.6);
}
.key-dialog-title { font-size: var(--fs-xl); font-weight: 700; color: var(--text-primary); }
.key-dialog-sub   { font-size: var(--fs-sm); color: var(--text-secondary); line-height: 1.6; }
.key-input {
  width: 100%;
  background: var(--bg-input);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-sm);
  color: var(--text-primary);
  padding: var(--sp-2) var(--sp-3);
  font-size: var(--fs-sm);
  font-family: var(--font-mono);
  outline: none;
  transition: border-color var(--t-fast);
}
.key-input:focus { border-color: var(--accent); }
.key-error { font-size: var(--fs-xs); color: var(--signal-warn); display: none; }
.key-error.visible { display: block; }

/* ── Toast ────────────────────────────────────────────────────── */
.toast-container {
  position: fixed; bottom: var(--sp-5); right: var(--sp-5);
  display: flex; flex-direction: column; gap: var(--sp-2); z-index: 500;
}
@keyframes toastIn { from { opacity:0; transform: translateY(6px); } to { opacity:1; transform: translateY(0); } }
.toast {
  background: var(--bg-secondary);
  border: 1px solid var(--border-mid);
  border-radius: var(--r-md);
  padding: var(--sp-2) var(--sp-4);
  font-size: var(--fs-sm);
  color: var(--text-primary);
  animation: toastIn .15s ease;
  max-width: 300px;
}
.toast.success { border-left: 2px solid var(--signal-reply); }
.toast.error   { border-left: 2px solid var(--signal-warn); }
.toast.warn    { border-left: 2px solid var(--signal-waiting); }

/* ── Skeleton ─────────────────────────────────────────────────── */
@keyframes shimmer {
  0%   { background-position: -300px 0; }
  100% { background-position: 300px 0; }
}
.skeleton {
  background: linear-gradient(90deg, var(--bg-secondary) 0%, var(--bg-tertiary) 50%, var(--bg-secondary) 100%);
  background-size: 600px 100%;
  animation: shimmer 1.2s infinite;
  border-radius: var(--r-sm);
  display: inline-block;
}

/* ── Scrollbar ────────────────────────────────────────────────── */
::-webkit-scrollbar { width: 5px; height: 5px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-mid); border-radius: 3px; }
::-webkit-scrollbar-thumb:hover { background: var(--border-strong); }