*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

:root {
  --bg:          #09090b;
  --sidebar-bg:  #0f0f11;
  --sidebar-w:   256px;
  --panel:       #141418;
  --surface:     #18181c;
  --border:      rgba(255,255,255,.07);
  --border-hi:   rgba(255,255,255,.12);
  --accent:      #7c3aed;
  --accent-lo:   rgba(124,58,237,.15);
  --accent-hi:   #a78bfa;
  --grad:        linear-gradient(135deg,#7c3aed,#6366f1);
  --grad-text:   linear-gradient(135deg,#a78bfa,#818cf8);
  --text:        #e4e4e7;
  --text-sub:    #a1a1aa;
  --text-muted:  #52525b;
  --green:       #34d399;
  --purple:      #a78bfa;
  --red:         #f87171;
  --user-bg:     #1a1a2e;
  --agent-bg:    #111113;
  --code-bg:     #0d0d10;
  --mono:        ui-monospace, 'Cascadia Code', 'Fira Code', 'Consolas', monospace;
  --topbar-bg:     rgba(9,9,11,.85);
  --input-area-bg: rgba(9,9,11,.92);
}

/* ════════════════════════════════════════
   LIGHT THEME
════════════════════════════════════════ */
body.light {
  --bg:            #f8f9fb;
  --sidebar-bg:    #f0f0f5;
  --panel:         #ffffff;
  --surface:       #e8e8ee;
  --border:        rgba(0,0,0,.09);
  --border-hi:     rgba(0,0,0,.14);
  --accent-lo:     rgba(124,58,237,.1);
  --accent-hi:     #6d28d9;
  --grad-text:     linear-gradient(135deg,#6d28d9,#4f46e5);
  --text:          #18181b;
  --text-sub:      #52525b;
  --text-muted:    #9ca3af;
  --green:         #059669;
  --purple:        #7c3aed;
  --red:           #dc2626;
  --user-bg:       #ede9fe;
  --agent-bg:      #fafafa;
  --code-bg:       #eeeef3;
  --topbar-bg:     rgba(248,249,251,.92);
  --input-area-bg: rgba(248,249,251,.97);
}

body {
  display: flex;
  height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Inter', 'Helvetica Neue', Arial, sans-serif;
  font-size: 14px;
  line-height: 1.5;
  background: var(--bg);
  color: var(--text);
  overflow: hidden;
  -webkit-font-smoothing: antialiased;
}

/* ════════════════════════════════════════
   SIDEBAR
════════════════════════════════════════ */
#sidebar {
  width: var(--sidebar-w);
  background: var(--sidebar-bg);
  border-right: 1px solid var(--border);
  display: flex;
  flex-direction: column;
  flex-shrink: 0;
  min-height: 0;
  overflow: hidden;
}

/* Logo */
#sidebar-logo {
  padding: 20px 18px 18px;
  border-bottom: 1px solid var(--border);
}
.logo-lockup {
  display: flex;
  align-items: center;
  gap: 12px;
}
.logo-mark {
  width: 56px; height: 56px;
  border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
}
.logo-mark svg { display: block; }
.logo-text-group {
  display: flex;
  flex-direction: column;
  gap: 3px;
  min-width: 0;
}
.logo-title {
  font-size: 14px;
  font-weight: 700;
  letter-spacing: -.01em;
  background: var(--grad-text);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
}
.logo-tag {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  font-size: 9.5px;
  font-weight: 600;
  color: var(--text-muted);
  letter-spacing: .1em;
  text-transform: uppercase;
}
.logo-tag::before {
  content: '';
  display: inline-block;
  width: 14px;
  height: 1px;
  background: linear-gradient(90deg, var(--accent), transparent);
  flex-shrink: 0;
}

/* Agent section */
.sidebar-section-label {
  padding: 14px 18px 6px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.btn-discover {
  display: flex;
  align-items: center;
  gap: 4px;
  padding: 3px 9px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
  background: #7c3aed;
  border: none;
  border-radius: 5px;
  cursor: pointer;
  transition: background .15s, transform .1s, box-shadow .15s;
  text-transform: none;
  letter-spacing: .02em;
}
.btn-discover:hover {
  background: #6d28d9;
  box-shadow: 0 2px 8px rgba(124,58,237,.4);
}
.btn-discover:active { transform: scale(.95); }
.btn-discover:disabled {
  opacity: 0.45;
  cursor: not-allowed;
}
#agent-count-badge {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 20px;
  padding: 1px 7px;
  font-size: 10px;
  color: var(--text-sub);
  font-weight: 500;
  letter-spacing: 0;
  text-transform: none;
}

#agent-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 10px 8px;
  min-height: 60px;
}

/* ── Sidebar conversation history ── */
#sidebar-conv-section {
  flex: 1.1;
  display: flex;
  flex-direction: column;
  min-height: 0;
  border-top: 1px solid var(--border);
}
.sidebar-conv-label {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-shrink: 0;
}
.sidebar-new-btn {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  background: var(--surface);
  border: 1px solid var(--border-hi);
  color: var(--text-sub);
  border-radius: 5px;
  padding: 2px 8px;
  font-size: 10px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  letter-spacing: 0;
  text-transform: none;
  transition: all .15s;
}
.sidebar-new-btn:hover {
  color: var(--text);
  border-color: var(--accent-hi);
  background: var(--accent-lo);
}
#sidebar-conv-list {
  flex: 1;
  overflow-y: auto;
  padding: 4px 10px 8px;
}
.sidebar-conv-item {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 1px;
  transition: background .12s, transform .1s;
  position: relative;
  overflow: hidden;
}
.sidebar-conv-item::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 2px;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity .15s;
}
.sidebar-conv-item:hover { background: var(--surface); transform: translateX(2px); }
.sidebar-conv-item:active { transform: translateX(1px); }
.sidebar-conv-item.active { background: var(--accent-lo); }
.sidebar-conv-item.active::before { opacity: 1; }
.sidebar-conv-icon {
  width: 26px; height: 26px;
  border-radius: 7px;
  background: var(--surface);
  border: 1px solid var(--border-hi);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-muted);
  margin-top: 1px;
}
.sidebar-conv-item.active .sidebar-conv-icon {
  background: var(--accent-lo);
  border-color: rgba(124,58,237,.3);
  color: var(--accent-hi);
}
.sidebar-conv-body { flex: 1; min-width: 0; }
.sidebar-conv-title {
  font-size: 12px;
  font-weight: 500;
  color: var(--text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  line-height: 1.4;
}
.sidebar-conv-item.active .sidebar-conv-title {
  color: var(--accent-hi);
  font-weight: 600;
}
.sidebar-conv-time {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 2px;
}
.sidebar-conv-delete {
  display: none;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  width: 22px;
  height: 22px;
  background: none;
  border: none;
  border-radius: 5px;
  color: var(--text-muted);
  cursor: pointer;
  padding: 0;
  transition: color .12s, background .12s;
  align-self: center;
}
.sidebar-conv-item:hover .sidebar-conv-delete { display: flex; }
.sidebar-conv-delete:hover { color: var(--red); background: rgba(248,113,113,.12); }

.agent-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  margin-bottom: 1px;
  transition: background .12s, transform .1s;
  position: relative;
  overflow: hidden;
}
.agent-item::before {
  content: '';
  position: absolute;
  left: 0; top: 20%; bottom: 20%;
  width: 2px;
  border-radius: 2px;
  background: var(--accent);
  opacity: 0;
  transition: opacity .15s;
}
.agent-item:hover { background: var(--surface); transform: translateX(2px); }
.agent-item:active { transform: translateX(1px); }
.agent-item.active { background: var(--accent-lo); }
.agent-deploy-btn {
  display: none;
  background: none;
  border: 1px solid var(--border);
  color: var(--text-muted);
  border-radius: 6px;
  padding: 3px 5px;
  cursor: pointer;
  flex-shrink: 0;
  transition: color .15s, border-color .15s, background .15s;
}
.agent-item:hover .agent-deploy-btn { display: flex; align-items: center; justify-content: center; }
.agent-deploy-btn:hover { color: var(--accent-hi); border-color: var(--accent-hi); background: var(--accent-lo); }
.agent-item.active::before { opacity: 1; }
.agent-item.active .agent-name { color: var(--accent-hi); font-weight: 600; }
.agent-item.active .agent-avatar { box-shadow: 0 0 12px currentColor; }

.agent-avatar {
  width: 30px; height: 30px;
  border-radius: 8px;
  display: flex; align-items: center; justify-content: center;
  font-size: 12px; font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  text-transform: uppercase;
  letter-spacing: -.01em;
}
.agent-info { flex: 1; min-width: 0; }
.agent-name {
  font-size: 13px;
  font-weight: 500;
  letter-spacing: -.015em;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.agent-pill {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  margin-top: 3px;
  font-size: 10px;
  font-weight: 500;
  color: var(--green);
}
.agent-pill::before {
  content: '';
  width: 5px; height: 5px;
  background: var(--green);
  border-radius: 50%;
  flex-shrink: 0;
}

/* Sidebar footer */
#sidebar-footer {
  padding: 12px 18px;
  border-top: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.footer-status {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 11px;
  color: var(--text-muted);
}
.status-dot {
  width: 7px; height: 7px;
  border-radius: 50%;
  background: var(--green);
  box-shadow: 0 0 8px var(--green);
  flex-shrink: 0;
  animation: pulse 2.5s ease-in-out infinite;
}
@keyframes pulse {
  0%, 100% { box-shadow: 0 0 8px var(--green); }
  50%       { box-shadow: 0 0 16px var(--green), 0 0 32px rgba(52,211,153,.3); }
}
@keyframes spin {
  to { transform: rotate(360deg); }
}

/* ── Debug lines ── */
.debug-container {
  margin-bottom: 4px;
  padding: 6px 10px;
  border-left: 2px solid #f59e0b;
  background: rgba(245, 158, 11, 0.06);
  border-radius: 4px;
}
.debug-line {
  display: block;
  font-family: var(--mono);
  font-size: 10px;
  color: #f59e0b;
  opacity: 0.8;
  white-space: pre-wrap;
  word-break: break-all;
}

/* ── Response timing ── */
.msg-timing {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 6px;
  padding-left: 2px;
  opacity: 0.7;
}

/* ── Debug active state ── */
.top-btn-active {
  color: #f59e0b !important;
  border-color: #f59e0b !important;
  background: rgba(245,158,11,.1) !important;
}
.top-btn-active svg { opacity: 1 !important; }

/* ── Metrics modal ── */
#metrics-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
#metrics-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.5);
}
#metrics-panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border-hi);
  border-radius: 12px;
  width: 520px;
  max-width: 92vw;
  padding: 24px;
  z-index: 1;
}
#metrics-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 20px;
}
#metrics-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
#metrics-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 18px;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
}
#metrics-close:hover { color: var(--text); }
.metrics-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 10px;
}
.metrics-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px 10px;
  text-align: center;
  transition: border-color .15s, transform .1s;
  cursor: default;
}
.metrics-card:hover {
  border-color: rgba(124,58,237,.4);
  transform: translateY(-1px);
}
.mc-val {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
  font-variant-numeric: tabular-nums;
}
.mc-lbl {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 4px;
  text-transform: uppercase;
  letter-spacing: .05em;
}
.metrics-loading, .metrics-error {
  text-align: center;
  padding: 32px;
  color: var(--text-muted);
  font-size: 13px;
}
.footer-ver {
  font-size: 10px;
  color: var(--text-muted);
  font-family: var(--mono);
}

/* ════════════════════════════════════════
   MAIN AREA
════════════════════════════════════════ */
#main {
  flex: 1;
  display: flex;
  flex-direction: column;
  overflow: hidden;
  min-width: 0;
  position: relative;
}

/* Top bar */
#topbar {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 24px;
  height: 56px;
  border-bottom: 1px solid var(--border);
  background: var(--topbar-bg);
  backdrop-filter: blur(12px);
  flex-shrink: 0;
  z-index: 10;
}
#topbar-avatar {
  width: 32px; height: 32px;
  border-radius: 8px;
  display: none;
  align-items: center; justify-content: center;
  font-size: 13px; font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
#agent-title {
  flex: 1;
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
}
#title-text {
  font-size: 15px;
  font-weight: 700;
  letter-spacing: -.02em;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#title-sub {
  font-size: 11px;
  color: var(--text-muted);
}
#topbar-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
  padding-left: 12px;
  border-left: 1px solid var(--border-hi);
}
.top-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  background: var(--surface);
  border: 1px solid var(--border-hi);
  color: var(--text-sub);
  border-radius: 7px;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all .15s;
}
.top-btn:hover {
  color: var(--text);
  border-color: var(--accent-hi);
  background: var(--accent-lo);
}
.top-btn:active { transform: scale(.96); }
.top-btn svg { opacity: .7; }
.top-btn:hover svg { opacity: 1; }

.top-btn-deploy {
  color: var(--accent-hi);
  border-color: rgba(124,58,237,.35);
  background: var(--accent-lo);
}
.top-btn-deploy:hover {
  background: rgba(124,58,237,.22) !important;
  border-color: var(--accent-hi) !important;
  color: var(--accent-hi) !important;
}
.top-btn-deploy svg { opacity: 1 !important; }

/* ── Deploy modal ── */
#deploy-modal {
  position: fixed; inset: 0; z-index: 600;
  display: flex; align-items: center; justify-content: center;
}
#deploy-backdrop {
  position: absolute; inset: 0;
  background: rgba(0,0,0,.55);
  backdrop-filter: blur(4px);
}
#deploy-panel {
  position: relative; z-index: 1;
  background: var(--panel);
  border: 1px solid var(--border-hi);
  border-radius: 14px;
  width: 420px;
  max-width: calc(100vw - 32px);
  box-shadow: 0 24px 64px rgba(0,0,0,.5);
  overflow: hidden;
}
#deploy-header {
  display: flex; align-items: center; justify-content: space-between;
  padding: 16px 20px 14px;
  border-bottom: 1px solid var(--border);
  font-size: 14px; font-weight: 700; color: var(--text);
}
#deploy-close {
  background: none; border: none; color: var(--text-muted);
  font-size: 20px; cursor: pointer; line-height: 1;
  transition: color .15s;
}
#deploy-close:hover { color: var(--text); }
#deploy-body { padding: 16px 20px 20px; }
.deploy-hint {
  font-size: 12px; color: var(--text-sub);
  margin-bottom: 12px;
}
.deploy-target-card {
  display: flex; align-items: center; gap: 14px;
  padding: 13px 16px;
  border: 1px solid var(--border);
  border-radius: 10px;
  margin-bottom: 8px;
  cursor: pointer;
  transition: border-color .15s, background .15s;
}
.deploy-target-card:hover { border-color: var(--accent); background: var(--accent-lo); }
.deploy-target-card.selected { border-color: var(--accent-hi); background: var(--accent-lo); }
.deploy-target-icon {
  width: 36px; height: 36px; border-radius: 8px;
  background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  color: var(--accent-hi);
}
.deploy-target-card.selected .deploy-target-icon { background: rgba(124,58,237,.2); }
.deploy-target-name { font-size: 13px; font-weight: 600; color: var(--text); }
.deploy-target-desc { font-size: 11px; color: var(--text-sub); margin-top: 2px; }
.deploy-coming-soon {
  font-size: 11px; color: var(--text-muted);
  text-align: center; padding: 10px 0 6px;
}
.deploy-selected-note {
  font-size: 12px; color: var(--accent-hi);
  background: var(--accent-lo);
  border: 1px solid rgba(124,58,237,.25);
  border-radius: 8px;
  padding: 10px 14px;
  margin-bottom: 12px;
}
.deploy-footer { text-align: right; margin-top: 14px; }
.deploy-cancel-btn {
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--text-sub);
  font-size: 13px;
  padding: 7px 18px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .15s;
}
.deploy-cancel-btn:hover { background: var(--border); }

/* ── Build form deploy targets ── */
.build-deploy-targets {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-top: 6px;
}
.build-deploy-card {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  font-size: 12px; color: var(--text-sub);
  border: 1px solid var(--border);
  border-radius: 8px;
  cursor: pointer;
  transition: border-color .15s, background .15s, color .15s;
}
.build-deploy-card:hover { border-color: var(--accent); color: var(--text); background: var(--accent-lo); }
.build-deploy-card.selected { border-color: var(--accent-hi); color: var(--accent-hi); background: var(--accent-lo); }
.build-deploy-note {
  font-size: 11px; color: var(--accent-hi);
  background: var(--accent-lo);
  border: 1px solid rgba(124,58,237,.2);
  border-radius: 7px;
  padding: 8px 12px;
  margin-top: 8px;
}

/* ── Messages ── */
#messages {
  flex: 1;
  overflow-y: auto;
  padding: 32px 24px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

/* Center messages in wide viewports */
#messages > * {
  max-width: 780px;
  width: 100%;
  align-self: center;
}

@keyframes msgIn {
  from { opacity: 0; transform: translateY(6px); }
  to   { opacity: 1; transform: translateY(0); }
}
.msg-group {
  animation: msgIn .18s ease;
  margin-bottom: 12px;
}

.msg-row {
  display: flex;
  flex-direction: column;
  width: 100%;
}
.msg-row.user  { align-items: flex-end; }
.msg-row.agent { align-items: flex-start; }

.msg-meta {
  display: flex;
  align-items: center;
  gap: 7px;
  margin-bottom: 6px;
  padding: 0 2px;
}
.msg-row.user .msg-meta { flex-direction: row-reverse; }

.msg-avatar {
  width: 24px; height: 24px;
  border-radius: 6px;
  display: flex; align-items: center; justify-content: center;
  font-size: 10px; font-weight: 700;
  color: #fff;
  flex-shrink: 0;
  text-transform: uppercase;
}
.msg-row.user .msg-avatar { background: linear-gradient(135deg,#3b82f6,#6366f1); }

.msg-label {
  font-size: 11px;
  font-weight: 600;
  letter-spacing: .03em;
  color: var(--text-muted);
}
.msg-row.user .msg-label { color: #60a5fa; }
.msg-time { font-size: 10px; color: var(--text-muted); }

.msg-bubble-wrap { position: relative; max-width: 680px; }
.msg-row.user .msg-bubble-wrap { max-width: 580px; }
.msg-bubble-wrap:hover .copy-btn { opacity: 1; }

.msg-bubble {
  padding: 12px 16px;
  border-radius: 14px;
  font-size: 14px;
  line-height: 1.75;
  word-break: break-word;
}
.msg-row.user .msg-bubble {
  background: var(--user-bg);
  border: 1px solid rgba(99,102,241,.2);
  white-space: pre-wrap;
  border-bottom-right-radius: 3px;
}
.msg-row.agent .msg-bubble {
  background: var(--agent-bg);
  border: 1px solid var(--border);
  border-bottom-left-radius: 3px;
  transition: box-shadow .2s;
}
.msg-row.agent .msg-bubble-wrap:hover .msg-bubble {
  box-shadow: 0 2px 16px rgba(0,0,0,.14);
}

/* Copy button */
.copy-btn {
  position: absolute;
  top: 8px; right: 10px;
  background: var(--panel);
  border: 1px solid var(--border-hi);
  color: var(--text-muted);
  border-radius: 5px;
  padding: 3px 9px;
  font-size: 10px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s, color .1s;
  z-index: 2;
}
.copy-btn:hover { color: var(--text); }
.copy-btn.copied { color: var(--green); opacity: 1; }

/* Markdown rendering */
.msg-bubble.streaming { white-space: pre-wrap; }
.msg-bubble h1,.msg-bubble h2,.msg-bubble h3,.msg-bubble h4 {
  margin: .7em 0 .3em; font-weight: 600; line-height: 1.3;
}
.msg-bubble h1 { font-size: 1.2em; border-bottom: 1px solid var(--border); padding-bottom: .35em; }
.msg-bubble h2 { font-size: 1.08em; }
.msg-bubble h3 { font-size: 1em; color: var(--accent-hi); }
.msg-bubble p  { margin: .5em 0; }
.msg-bubble ul,.msg-bubble ol { margin: .4em 0 .4em 1.4em; }
.msg-bubble li { margin: .25em 0; }
.msg-bubble code {
  background: var(--code-bg);
  border: 1px solid var(--border-hi);
  border-radius: 4px;
  padding: 1px 6px;
  font-family: var(--mono);
  font-size: .82em;
  color: #c4b5fd;
}
.msg-bubble pre {
  background: var(--code-bg);
  border: 1px solid var(--border-hi);
  border-radius: 10px;
  padding: 14px 16px;
  overflow-x: auto;
  margin: .65em 0;
  position: relative;
}
.msg-bubble pre code { background: none; border: none; padding: 0; font-size: .83em; color: #e2e8f0; }
.msg-bubble blockquote {
  border-left: 3px solid var(--accent);
  margin: .6em 0;
  padding: .3em 1em;
  color: var(--text-sub);
  background: var(--accent-lo);
  border-radius: 0 8px 8px 0;
}
.msg-bubble .table-wrap { overflow-x: auto; margin: .6em 0; }
.msg-bubble table { border-collapse: collapse; font-size: .9em; width: 100%; min-width: 400px; }
.msg-bubble th,.msg-bubble td { border: 1px solid var(--border-hi); padding: 7px 12px; text-align: left; }
.msg-bubble th { background: rgba(124,58,237,.1); color: var(--accent-hi); font-weight: 600; font-size: .85em; letter-spacing: .03em; }
.msg-bubble tr:nth-child(even) td { background: rgba(255,255,255,.02); }
.msg-bubble a { color: var(--accent-hi); text-decoration: none; border-bottom: 1px solid rgba(167,139,250,.3); }
.msg-bubble a:hover { border-bottom-color: var(--accent-hi); }
.msg-bubble strong { font-weight: 700; color: #fff; }
.msg-bubble em { font-style: italic; color: var(--text-sub); }
.msg-bubble hr { border: none; border-top: 1px solid var(--border); margin: .9em 0; }

/* Tool events */
.tool-group {
  margin-bottom: 6px;
  animation: msgIn .15s ease;
  border-radius: 9px;
  overflow: hidden;
  border: 1px solid var(--border);
  background: var(--panel);
}
.tool-event {
  display: flex;
  align-items: center;
  gap: 9px;
  padding: 7px 13px;
  font-size: 11.5px;
  color: var(--text-sub);
  cursor: pointer;
  user-select: none;
  transition: background .12s;
}
.tool-event:hover { background: var(--surface); }
.tool-event + .tool-event { border-top: 1px solid var(--border); }
.tool-icon { font-size: 11px; flex-shrink: 0; }
.tool-event.call .tool-icon { color: var(--purple); }
.tool-event.done .tool-icon { color: var(--green); }
.tool-text { flex: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; font-family: var(--mono); font-size: 10.5px; }
.tool-chevron { font-size: 8px; color: var(--text-muted); transition: transform .15s; flex-shrink: 0; }
.tool-event.expanded .tool-chevron { transform: rotate(90deg); }
.tool-detail {
  display: none;
  padding: 8px 13px 10px;
  background: var(--code-bg);
  border-top: 1px solid var(--border);
  font-size: 10.5px;
  color: var(--text-sub);
  font-family: var(--mono);
  white-space: pre-wrap;
  word-break: break-all;
  line-height: 1.6;
}
.tool-detail.open { display: block; }

/* Typing dots */
.typing-dots {
  display: inline-flex;
  align-items: center;
  gap: 5px;
  padding: 6px 2px;
}
.typing-dots span {
  width: 6px; height: 6px;
  background: var(--text-muted);
  border-radius: 50%;
  animation: bounce .85s ease-in-out infinite;
}
.typing-dots span:nth-child(2) { animation-delay: .14s; }
.typing-dots span:nth-child(3) { animation-delay: .28s; }
@keyframes bounce {
  0%,60%,100% { transform: translateY(0); opacity: .35; }
  30% { transform: translateY(-5px); opacity: 1; }
}

/* Streaming cursor */
.cursor {
  display: inline-block;
  width: 2px; height: 14px;
  background: var(--accent-hi);
  vertical-align: middle;
  margin-left: 1px;
  border-radius: 2px;
  animation: blink .75s ease-in-out infinite;
}
@keyframes blink { 0%,100% { opacity: 1; } 50% { opacity: 0; } }

/* Empty state */
#empty {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  gap: 14px;
  pointer-events: none;
  max-width: none !important;
}
.empty-glyph {
  width: 72px; height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(124,58,237,.12), rgba(99,102,241,.12));
  border: 1px solid rgba(124,58,237,.2);
  display: flex; align-items: center; justify-content: center;
  animation: float 3s ease-in-out infinite;
}
@keyframes float {
  0%, 100% { transform: translateY(0); }
  50%       { transform: translateY(-8px); }
}
.empty-glyph svg { opacity: .6; }
#empty h2 { font-size: 17px; font-weight: 600; color: var(--text-sub); letter-spacing: -.01em; }
#empty p  { font-size: 13px; color: var(--text-muted); text-align: center; max-width: 260px; line-height: 1.6; }

/* ════════════════════════════════════════
   ONBOARDING — no agents loaded
════════════════════════════════════════ */
.onboarding-wrap {
  justify-content: flex-start !important;
  align-items: center !important;
  padding: 48px 24px 40px !important;
  gap: 0 !important;
  pointer-events: auto !important;
  overflow-y: auto;
  min-height: 0;
  height: 100%;
}
.onb-hero {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 36px;
  width: 100%;
}
.onb-icon {
  width: 64px; height: 64px;
  border-radius: 18px;
  background: linear-gradient(135deg, rgba(124,58,237,.15), rgba(99,102,241,.15));
  border: 1px solid rgba(124,58,237,.25);
  display: flex; align-items: center; justify-content: center;
  margin-bottom: 4px;
  animation: float 3s ease-in-out infinite;
}
.onb-title {
  font-size: 20px;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -.02em;
}
.onb-sub {
  font-size: 13px;
  color: var(--text-muted);
  text-align: center;
  max-width: 340px;
  line-height: 1.6;
}
.onb-steps {
  display: flex;
  flex-direction: column;
  gap: 16px;
  width: 100%;
  max-width: 560px;
  margin-bottom: 32px;
}
.onb-step {
  display: flex;
  gap: 16px;
  align-items: flex-start;
}
.onb-step-num {
  width: 26px; height: 26px;
  border-radius: 50%;
  background: var(--accent-lo);
  border: 1px solid rgba(124,58,237,.3);
  color: var(--accent-hi);
  font-size: 11px;
  font-weight: 700;
  display: flex; align-items: center; justify-content: center;
  flex-shrink: 0;
  margin-top: 1px;
}
.onb-step-body { flex: 1; min-width: 0; }
.onb-step-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 8px;
}
.onb-code {
  background: var(--code-bg);
  border: 1px solid var(--border-hi);
  border-radius: 9px;
  padding: 11px 14px;
  font-family: var(--mono);
  font-size: 11.5px;
  color: #c4b5fd;
  line-height: 1.7;
  margin: 0;
  white-space: pre;
  overflow-x: auto;
}
.onb-code .dim { color: var(--text-muted); }
.onb-code .kw  { color: #a78bfa; }
.onb-code .str { color: #86efac; }
.onb-reload-btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 9px 22px;
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: 9px;
  font-size: 13px;
  font-weight: 600;
  font-family: inherit;
  cursor: pointer;
  transition: opacity .15s, transform .15s, box-shadow .15s;
  pointer-events: auto;
}
.onb-reload-btn:hover { opacity: .88; transform: translateY(-1px); box-shadow: 0 4px 16px rgba(124,58,237,.4); }
.onb-reload-btn:active { transform: scale(.97); }

/* ════════════════════════════════════════
   AGENT GRID — agents loaded, none selected
════════════════════════════════════════ */
.agent-grid-wrap {
  justify-content: flex-start !important;
  align-items: center !important;
  padding: 48px 24px 40px !important;
  gap: 0 !important;
  pointer-events: auto !important;
  overflow-y: auto;
  min-height: 0;
  height: 100%;
}
.agw-header {
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 10px;
  margin-bottom: 36px;
  pointer-events: none;
}
.agw-header h2 { font-size: 18px; font-weight: 700; color: var(--text); letter-spacing: -.02em; }
.agw-header p  { font-size: 12px; color: var(--text-muted); }
.agent-card-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
  width: 100%;
  max-width: 720px;
}
.agent-card {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border-hi);
  border-radius: 12px;
  padding: 18px 16px;
  cursor: pointer;
  overflow: hidden;
  transition: border-color .2s, background .2s, transform .18s, box-shadow .2s;
  display: flex;
  flex-direction: column;
  gap: 10px;
}
.agent-card::after {
  content: '';
  position: absolute;
  top: -60%;
  left: -60%;
  width: 40%;
  height: 200%;
  background: linear-gradient(105deg, transparent 40%, rgba(255,255,255,0.055) 50%, transparent 60%);
  transform: translateX(-100%);
  transition: none;
  pointer-events: none;
}
.agent-card:hover::after {
  transform: translateX(500%);
  transition: transform .55s ease;
}
.agent-card:hover {
  border-color: var(--accent-hi);
  background: var(--surface);
  transform: translateY(-6px);
  box-shadow: 0 16px 40px rgba(124,58,237,.2), 0 4px 12px rgba(0,0,0,.3);
}
.agent-card:active { transform: translateY(-2px); }
.agent-card-avatar {
  width: 38px; height: 38px;
  border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 15px; font-weight: 700;
  color: #fff;
  text-transform: uppercase;
  position: relative;
  z-index: 0;
}
.agent-card-avatar::before {
  content: '';
  position: absolute;
  inset: -2px;
  border-radius: 12px;
  background: linear-gradient(135deg, rgba(167,139,250,.7), rgba(99,102,241,.5), rgba(124,58,237,.3));
  z-index: -1;
  opacity: 0;
  transition: opacity .2s;
}
.agent-card:hover .agent-card-avatar::before { opacity: 1; }
.agent-card-name {
  font-size: 12.5px;
  font-weight: 700;
  font-family: var(--mono);
  letter-spacing: .02em;
  background: linear-gradient(120deg, #22d3ee, #67e8f9, #a5f3fc);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.agent-card-desc {
  font-size: 12px;
  color: rgba(225, 225, 232, 0.72) !important;
  line-height: 1.6;
  max-height: 4.8em;
  overflow: hidden;
  transition: max-height .35s ease;
}
.agent-card:hover .agent-card-desc {
  max-height: 20em;
}
.agent-card-deploy-btn {
  position: absolute;
  top: 10px;
  right: 10px;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  color: var(--accent-hi);
  background: var(--accent-lo);
  border: 1px solid rgba(124,58,237,.25);
  border-radius: 8px;
  cursor: pointer;
  transition: color .15s, border-color .15s, background .15s, box-shadow .15s;
  opacity: 0.7;
}
.agent-card:hover .agent-card-deploy-btn {
  opacity: 1;
  border-color: var(--accent-hi);
  background: rgba(124,58,237,.22);
  box-shadow: 0 0 8px rgba(124,58,237,.3);
}
.agent-card-deploy-btn:hover {
  opacity: 1;
  background: rgba(124,58,237,.3) !important;
  border-color: var(--accent-hi) !important;
  box-shadow: 0 0 12px rgba(124,58,237,.4) !important;
}

/* ════════════════════════════════════════
   TOOL STATUS (transient, inside agent bubble)
════════════════════════════════════════ */
.tool-status {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 3px 0 5px;
  font-size: 11px;
  font-family: var(--mono);
  color: var(--text-muted);
  animation: ts-in .18s ease both;
  overflow: hidden;
  max-width: 100%;
}
@keyframes ts-in {
  from { opacity: 0; transform: translateY(4px); }
  to   { opacity: 1; transform: translateY(0); }
}
.tool-status.ts-hiding {
  opacity: 0;
  transform: translateY(-2px);
  transition: opacity .22s ease, transform .22s ease;
}
/* Spinner: arc ring */
.ts-spinner {
  position: relative;
  width: 11px;
  height: 11px;
  flex-shrink: 0;
}
.ts-spinner::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 50%;
  border: 1.5px solid var(--border);
  border-top-color: var(--accent);
  animation: ts-spin .75s linear infinite;
}
.tool-status.ts-done .ts-spinner::before {
  border-color: var(--green);
  animation: ts-pop .35s ease forwards;
}
@keyframes ts-spin { to { transform: rotate(360deg); } }
@keyframes ts-pop {
  0%   { transform: scale(1);   opacity: 1; }
  50%  { transform: scale(1.4); opacity: 0.8; }
  100% { transform: scale(1);   opacity: 1; }
}
/* Text: fades/slides on each update */
.ts-text {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}
.ts-text.ts-updated {
  animation: ts-update .2s ease both;
}
@keyframes ts-update {
  from { opacity: 0.2; transform: translateX(-3px); }
  to   { opacity: 1;   transform: translateX(0); }
}
.tool-status.ts-done .ts-text { color: var(--green); }

/* ══════════════════════════════════════
   INPUT AREA
════════════════════════════════════════ */
#input-area {
  padding: 14px 24px 18px;
  border-top: 1px solid var(--border);
  background: var(--input-area-bg);
  backdrop-filter: blur(12px);
  flex-shrink: 0;
}
.input-card {
  max-width: 780px;
  margin: 0 auto;
  background: var(--surface);
  border: 1px solid var(--border-hi);
  border-radius: 14px;
  transition: border-color .2s, box-shadow .2s;
  overflow: hidden;
}
.input-card:not(.disabled):not(:focus-within):hover {
  border-color: rgba(124,58,237,.3);
  box-shadow: 0 0 0 1px rgba(124,58,237,.06);
}
.input-card:focus-within {
  border-color: transparent;
  background-image: linear-gradient(var(--surface), var(--surface)),
                    linear-gradient(135deg, #7c3aed, #6366f1, #a78bfa, #7c3aed);
  background-origin: border-box;
  background-clip: padding-box, border-box;
  background-size: 100%, 300% 100%;
  animation: borderSlide 3s linear infinite;
}
@keyframes borderSlide {
  0%   { background-position: 0%, 0% 50%; }
  100% { background-position: 0%, 300% 50%; }
}
.input-card.disabled { opacity: .45; pointer-events: none; }
#query-input {
  display: block;
  width: 100%;
  resize: none;
  background: transparent;
  border: none;
  color: var(--text);
  font-size: 14px;
  font-family: inherit;
  line-height: 1.6;
  padding: 13px 16px 4px;
  min-height: 50px;
  max-height: 180px;
  overflow-y: auto;
  outline: none;
}
#query-input::placeholder { color: var(--text-muted); }
.input-footer {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 6px 12px 10px;
}
.input-footer-left {
  display: flex;
  align-items: center;
  gap: 4px;
}
.input-hint {
  font-size: 11px;
  color: var(--text-muted);
  flex: 1;
  text-align: center;
}

/* Upload button */
.upload-btn {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 28px; height: 28px;
  border-radius: 6px;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-sub);
  cursor: pointer;
  transition: background .15s, color .15s, border-color .15s;
}
.upload-btn:hover:not(:disabled) { background: var(--surface); color: var(--text); border-color: var(--border-hi); }
.upload-btn:disabled { opacity: .3; cursor: default; }

/* Upload badges */
.upload-badges {
  display: flex;
  flex-wrap: wrap;
  gap: 6px;
  padding: 6px 12px 2px;
}
.upload-badge {
  display: flex;
  align-items: center;
  gap: 5px;
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.25);
  border-radius: 6px;
  padding: 3px 8px;
  font-size: 11px;
  color: var(--text-sub);
  transition: border-color .15s, background .15s;
}
.upload-badge:hover {
  border-color: rgba(124,58,237,.5);
  background: rgba(124,58,237,.2);
}
.upload-badge-name { max-width: 200px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.upload-badge-remove {
  background: none; border: none; cursor: pointer;
  color: var(--text-muted); font-size: 14px; line-height: 1;
  padding: 0 2px;
  transition: color .15s;
}
.upload-badge-remove:hover { color: var(--red); }

/* Topbar files-in-context badge */
#files-context-badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 11px;
  color: var(--accent, #7c3aed);
  background: rgba(124,58,237,.12);
  border: 1px solid rgba(124,58,237,.25);
  border-radius: 20px;
  padding: 2px 10px;
  white-space: nowrap;
  margin-left: 6px;
  cursor: pointer;
}
#files-context-badge:hover {
  background: rgba(124,58,237,.2);
  border-color: rgba(124,58,237,.4);
}

/* Files context dropdown */
.files-ctx-dropdown {
  position: absolute;
  top: calc(100% + 6px);
  right: 0;
  min-width: 280px;
  max-width: 360px;
  background: var(--panel);
  border: 1px solid var(--border-hi);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.45);
  z-index: 400;
  overflow: hidden;
}
.files-ctx-header {
  font-size: 11px;
  font-weight: 600;
  color: var(--text-muted);
  text-transform: uppercase;
  letter-spacing: .06em;
  padding: 10px 14px 6px;
  border-bottom: 1px solid var(--border);
}
.files-ctx-item {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 7px 14px;
  border-bottom: 1px solid var(--border);
  min-width: 0;
}
.files-ctx-item:last-of-type { border-bottom: none; }
.files-ctx-name {
  flex: 1;
  font-size: 12px;
  color: var(--text);
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
  min-width: 0;
}
.files-ctx-size {
  font-size: 11px;
  color: var(--text-muted);
  white-space: nowrap;
  flex-shrink: 0;
}
.files-ctx-remove {
  background: none;
  border: none;
  color: var(--text-muted);
  cursor: pointer;
  font-size: 14px;
  line-height: 1;
  padding: 0 2px;
  flex-shrink: 0;
  border-radius: 4px;
  transition: color .15s;
}
.files-ctx-remove:hover { color: var(--red); }
.files-ctx-footer {
  padding: 8px 14px;
  border-top: 1px solid var(--border);
  text-align: right;
}
.files-ctx-footer button {
  background: none;
  border: none;
  font-size: 11px;
  color: var(--red);
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;
  transition: background .15s;
}
.files-ctx-footer button:hover { background: rgba(248,113,113,.1); }

/* Upload system message */
.upload-msg {
  font-size: 12px;
  color: var(--text-muted);
  text-align: center;
  padding: 6px 0;
  font-style: italic;
}
#btn-send {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 34px; height: 34px;
  border-radius: 8px;
  border: none;
  background: var(--grad);
  color: #fff;
  cursor: pointer;
  flex-shrink: 0;
  transition: background .15s, border-color .15s, color .15s, opacity .15s, transform .1s, box-shadow .15s;
  box-shadow: 0 2px 12px rgba(124,58,237,.35);
}
#btn-send:disabled { opacity: .3; cursor: default; box-shadow: none; }
#btn-send:not(:disabled):not(.stop):hover { opacity: .88; box-shadow: 0 2px 20px rgba(124,58,237,.55); }
#btn-send:not(:disabled):active { transform: scale(.93); }
#btn-send.stop {
  background: var(--surface);
  border: 1px solid var(--border-hi);
  box-shadow: none;
  color: var(--text-sub);
}
#btn-send.stop:hover {
  background: rgba(248,113,113,.12);
  border-color: var(--red);
  color: var(--red);
}

/* Focus rings */
.agent-item:focus-visible,
.sidebar-conv-item:focus-visible,
.agent-card:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: -2px;
}
.top-btn:focus-visible,
#sidebar-toggle:focus-visible,
.sidebar-new-btn:focus-visible,
.btn-discover:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 2px;
}

/* Scrollbars */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,.08); border-radius: 4px; transition: background .15s; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,.18); }

/* ════════════════════════════════════════
   AGENT SEARCH
════════════════════════════════════════ */
#agent-search-wrap {
  padding: 4px 10px 6px;
}
#agent-search {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 7px;
  color: var(--text);
  font-size: 12px;
  font-family: inherit;
  padding: 6px 10px;
  outline: none;
  transition: border-color .15s, box-shadow .15s;
}
#agent-search::placeholder { color: var(--text-muted); }
#agent-search:hover:not(:focus) { border-color: var(--border-hi); }
#agent-search:focus {
  border-color: rgba(124,58,237,.5);
  box-shadow: 0 0 0 2px rgba(124,58,237,.1);
}

/* ════════════════════════════════════════
   CONVERSATION DROPDOWN (topbar)
════════════════════════════════════════ */
#agent-title-wrap {
  flex: 1;
  position: relative;
  min-width: 0;
}

#agent-title {
  display: flex;
  flex-direction: column;
  gap: 1px;
  min-width: 0;
  cursor: default;
  border-radius: 8px;
  padding: 4px 8px;
  margin: -4px -8px;
  transition: background .12s;
  user-select: none;
}
#agent-title.has-history {
  cursor: pointer;
}
#agent-title.has-history:hover {
  background: var(--surface);
}
#title-main {
  display: flex;
  align-items: center;
  gap: 6px;
}
#title-text {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
#title-chevron {
  flex-shrink: 0;
  color: var(--text-muted);
  transition: transform .2s ease;
}
#title-chevron.open {
  transform: rotate(180deg);
}
#title-sub {
  font-size: 11px;
  color: var(--text-muted);
}

/* Dropdown panel */
.conv-dropdown {
  position: absolute;
  top: calc(100% + 10px);
  left: -8px;
  width: 300px;
  background: var(--panel);
  border: 1px solid var(--border-hi);
  border-radius: 12px;
  box-shadow: 0 8px 32px rgba(0,0,0,.45), 0 2px 8px rgba(0,0,0,.3);
  z-index: 100;
  overflow: hidden;
  animation: dropIn .15s ease;
}
@keyframes dropIn {
  from { opacity: 0; transform: translateY(-6px); }
  to   { opacity: 1; transform: translateY(0); }
}

#conv-dropdown-list {
  max-height: 360px;
  overflow-y: auto;
  padding: 6px;
}

.conv-group-label {
  padding: 8px 10px 4px;
  font-size: 10px;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--text-muted);
}

.conv-item {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 8px 10px;
  border-radius: 8px;
  cursor: pointer;
  transition: background .12s;
}
.conv-item:hover { background: var(--surface); }
.conv-item.active { background: var(--accent-lo); }

.conv-item-text {
  flex: 1;
  min-width: 0;
}
.conv-title {
  font-size: 12.5px;
  font-weight: 500;
  color: var(--text-sub);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.conv-item.active .conv-title { color: var(--accent-hi); font-weight: 600; }
.conv-time {
  font-size: 10px;
  color: var(--text-muted);
  margin-top: 1px;
}
.conv-check {
  font-size: 11px;
  color: var(--accent-hi);
  flex-shrink: 0;
  opacity: 0;
}
.conv-item.active .conv-check { opacity: 1; }

/* ════════════════════════════════════════
   RETRY BAR
════════════════════════════════════════ */
.retry-bar {
  display: flex;
  justify-content: center;
  padding: 8px 0 4px;
  max-width: 780px;
  width: 100%;
  align-self: center;
}
.retry-btn {
  display: flex;
  align-items: center;
  gap: 6px;
  padding: 6px 18px;
  background: var(--surface);
  border: 1px solid var(--border-hi);
  color: var(--text-sub);
  border-radius: 7px;
  font-size: 12px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  transition: all .15s;
}
.retry-btn:hover {
  color: var(--text);
  border-color: var(--accent-hi);
  background: var(--accent-lo);
}
.retry-btn:active { transform: scale(.97); }

/* ════════════════════════════════════════
   CODE BLOCK COPY BUTTON
════════════════════════════════════════ */
.msg-bubble pre {
  position: relative;
}
.copy-code-btn {
  position: absolute;
  top: 8px;
  right: 8px;
  background: var(--panel);
  border: 1px solid var(--border-hi);
  color: var(--text-muted);
  border-radius: 5px;
  padding: 3px 9px;
  font-size: 10px;
  font-weight: 500;
  font-family: inherit;
  cursor: pointer;
  opacity: 0;
  transition: opacity .15s, color .1s;
  z-index: 3;
}
.msg-bubble pre:hover .copy-code-btn { opacity: 1; }
.copy-code-btn:hover { color: var(--text); }
.copy-code-btn.copied { color: var(--green); opacity: 1; }

/* ════════════════════════════════════════
   PRISM.JS OVERRIDES
════════════════════════════════════════ */
code[class*="language-"],
pre[class*="language-"] {
  background: transparent !important;
  color: #e2e8f0 !important;
  font-family: var(--mono) !important;
  font-size: .83em !important;
  text-shadow: none !important;
}

/* Token colours matching the UI palette */
.token.keyword,
.token.operator,
.token.at-rule { color: #c4b5fd !important; }

.token.string,
.token.char,
.token.attr-value { color: #6ee7b7 !important; }

.token.function,
.token.class-name { color: #fca5a5 !important; }

.token.number,
.token.boolean,
.token.constant,
.token.symbol { color: #93c5fd !important; }

.token.comment,
.token.prolog,
.token.doctype,
.token.cdata { color: #6b7280 !important; font-style: italic; }

.token.punctuation { color: #a1a1aa !important; }

.token.tag,
.token.selector { color: #c4b5fd !important; }

.token.property,
.token.attr-name { color: #93c5fd !important; }

.token.variable { color: #e2e8f0 !important; }

/* ════════════════════════════════════════
   LIGHT MODE OVERRIDES
════════════════════════════════════════ */
body.light .msg-bubble strong { color: #000; }
body.light .msg-bubble code { color: var(--accent-hi); }
body.light .msg-bubble pre code { color: #374151 !important; }
body.light ::-webkit-scrollbar-thumb { background: rgba(0,0,0,.12); }
body.light ::-webkit-scrollbar-thumb:hover { background: rgba(0,0,0,.2); }
body.light .conv-dropdown {
  box-shadow: 0 8px 32px rgba(0,0,0,.15), 0 2px 8px rgba(0,0,0,.1);
}
body.light .agent-card-name {
  background: linear-gradient(120deg, #d97706, #f59e0b, #fbbf24);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
body.light .agent-card-desc {
  color: rgba(30, 30, 40, 0.78) !important;
}

/* Light mode Prism token colours */
body.light code[class*="language-"],
body.light pre[class*="language-"] { color: #374151 !important; }
body.light .token.keyword,
body.light .token.operator,
body.light .token.at-rule      { color: #6d28d9 !important; }
body.light .token.string,
body.light .token.char,
body.light .token.attr-value   { color: #059669 !important; }
body.light .token.function,
body.light .token.class-name   { color: #dc2626 !important; }
body.light .token.number,
body.light .token.boolean,
body.light .token.constant,
body.light .token.symbol       { color: #2563eb !important; }
body.light .token.comment,
body.light .token.prolog,
body.light .token.doctype,
body.light .token.cdata        { color: #9ca3af !important; font-style: italic; }
body.light .token.punctuation  { color: #6b7280 !important; }
body.light .token.tag,
body.light .token.selector     { color: #6d28d9 !important; }
body.light .token.property,
body.light .token.attr-name    { color: #2563eb !important; }
body.light .token.variable     { color: #374151 !important; }

/* ════════════════════════════════════════
   MERMAID DIAGRAMS
════════════════════════════════════════ */
.mermaid-wrap {
  margin: 10px 0;
  padding: 16px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  overflow-x: auto;
  text-align: center;
}
.mermaid-wrap svg { max-width: 100%; height: auto; }
.mermaid-error {
  color: var(--red);
  font-size: 12px;
  font-family: var(--mono);
  text-align: left;
}

/* ════════════════════════════════════════
   PIPELINE TRACKER
════════════════════════════════════════ */
.pipeline-tracker {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 4px;
  margin-bottom: 14px;
  padding: 10px 12px;
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 10px;
}
.pipeline-step {
  display: flex;
  align-items: center;
  gap: 5px;
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 11.5px;
  font-weight: 500;
  border: 1px solid var(--border);
  background: var(--surface);
}
.pipeline-step.done  { border-color: rgba(52,211,153,.25); background: rgba(52,211,153,.07); }
.pipeline-step.failed { border-color: rgba(248,113,113,.25); background: rgba(248,113,113,.07); }
.ps-icon { font-size: 11px; font-weight: 700; }
.pipeline-step.done  .ps-icon { color: var(--green); }
.pipeline-step.failed .ps-icon { color: var(--red); }
.ps-label { color: var(--text); max-width: 130px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.ps-arrow { color: var(--text-muted); font-size: 13px; padding: 0 2px; }
.ps-arrow.parallel { color: var(--purple); }

/* ════════════════════════════════════════
   SLASH COMMAND PALETTE
════════════════════════════════════════ */
#input-area { position: relative; }
.slash-palette {
  position: absolute;
  bottom: calc(100% + 6px);
  left: 16px; right: 16px;
  background: var(--panel);
  border: 1px solid var(--border-hi);
  border-radius: 10px;
  box-shadow: 0 8px 32px rgba(0,0,0,.35);
  overflow: hidden;
  z-index: 100;
}
.slash-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 9px 14px;
  cursor: pointer;
  transition: background .1s;
}
.slash-item:hover { background: var(--surface); }
.slash-cmd {
  font-family: var(--mono);
  font-size: 12.5px;
  color: var(--accent-hi);
  font-weight: 600;
  min-width: 90px;
}
.slash-desc { font-size: 12px; color: var(--text-sub); }

/* ════════════════════════════════════════
   VS CODE-STYLE CODE BLOCK HEADER
════════════════════════════════════════ */
pre {
  position: relative;
  padding-top: 0 !important;
  overflow: hidden;
  border-radius: 8px;
}
pre code {
  display: block;
  padding: 12px 14px !important;
  overflow-x: auto;
}
.code-header {
  display: flex;
  align-items: center;
  gap: 8px;
  padding: 5px 10px 5px 12px;
  background: rgba(255,255,255,.04);
  border-bottom: 1px solid var(--border);
  user-select: none;
}
body.light .code-header {
  background: rgba(0,0,0,.04);
}
.code-lang-badge {
  font-family: var(--mono);
  font-size: 10px;
  font-weight: 700;
  color: var(--accent-hi);
  background: var(--accent-lo);
  border: 1px solid rgba(124,58,237,.25);
  border-radius: 4px;
  padding: 1px 6px;
  letter-spacing: .03em;
  text-transform: uppercase;
  flex-shrink: 0;
}
.code-lang-name {
  font-family: var(--mono);
  font-size: 11px;
  color: var(--text-muted);
  flex: 1;
  letter-spacing: .02em;
}
.code-copy-btn {
  background: none;
  border: 1px solid var(--border-hi);
  color: var(--text-muted);
  border-radius: 4px;
  padding: 2px 9px;
  font-size: 10px;
  font-family: inherit;
  cursor: pointer;
  transition: all .15s;
  flex-shrink: 0;
}
.code-copy-btn:hover {
  color: var(--text);
  border-color: var(--accent-hi);
  background: var(--accent-lo);
}
.code-copy-btn.copied {
  color: var(--green);
  border-color: var(--green);
}

/* ════════════════════════════════════════
   SIDEBAR TOGGLE + COLLAPSIBLE
════════════════════════════════════════ */
#sidebar-toggle {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border-hi);
  border-radius: 8px;
  cursor: pointer;
  color: var(--text);
  transition: background .15s, border-color .15s, transform .1s;
}
#sidebar-toggle:hover { background: var(--surface); border-color: var(--accent-hi); }
#sidebar-toggle:active { transform: scale(.93); }

#sidebar-overlay {
  display: none;
  position: fixed;
  inset: 0;
  background: rgba(0,0,0,.5);
  z-index: 149;
}

/* Collapsed sidebar state */
body.sidebar-collapsed #sidebar {
  width: 0;
  overflow: hidden;
  border-right: none;
}

/* ════════════════════════════════════════
   MOBILE — ≤ 768px
════════════════════════════════════════ */
@media (max-width: 768px) {
  :root { --sidebar-w: 280px; }

  #sidebar {
    position: fixed;
    top: 0; left: 0; bottom: 0;
    z-index: 150;
    transform: translateX(-100%);
    transition: transform .25s ease;
    width: var(--sidebar-w) !important;
  }

  body.sidebar-open #sidebar {
    transform: translateX(0);
  }

  body.sidebar-open #sidebar-overlay {
    display: block;
  }

  #main {
    width: 100%;
  }

  #topbar {
    padding: 0 12px;
    gap: 8px;
  }

  /* Hide text labels on topbar buttons, keep icons */
  .top-btn span, .top-btn-label { display: none; }
  .top-btn {
    padding: 6px 8px;
    gap: 0;
  }

  /* Input area */
  #input-area { padding: 8px 10px 12px; }

  /* Messages padding */
  #messages { padding: 12px 10px; }

  /* Metrics grid 2-col on mobile */
  .metrics-grid { grid-template-columns: repeat(2, 1fr); }

  /* Topbar actions — tighter */
  #topbar-actions { gap: 4px; }
}

/* ════════════════════════════════════════
   DESKTOP — collapsible via toggle
════════════════════════════════════════ */
@media (min-width: 769px) {
  #sidebar {
    transition: width .2s ease;
  }

  body.sidebar-collapsed #sidebar {
    width: 0;
    border-right: none;
  }
}

/* ════════════════════════════════════════
   BUILD AGENT BUTTON & MODAL
════════════════════════════════════════ */
#build-modal {
  position: fixed;
  inset: 0;
  z-index: 1000;
  display: flex;
  align-items: center;
  justify-content: center;
}
#build-backdrop {
  position: absolute;
  inset: 0;
  background: rgba(0,0,0,.55);
}
#build-panel {
  position: relative;
  background: var(--panel);
  border: 1px solid var(--border-hi);
  border-radius: 14px;
  width: 500px;
  max-width: 94vw;
  max-height: 88vh;
  display: flex;
  flex-direction: column;
  z-index: 1;
  overflow: hidden;
}
#build-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 20px 14px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
#build-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--text);
}
#build-close {
  background: none;
  border: none;
  color: var(--text-muted);
  font-size: 20px;
  cursor: pointer;
  line-height: 1;
  padding: 0 4px;
}
#build-close:hover { color: var(--text); }
#build-body {
  padding: 20px;
  overflow-y: auto;
  flex: 1;
}
.build-step { animation: fadeIn .18s ease; }
@keyframes fadeIn { from { opacity:0; transform:translateY(6px); } to { opacity:1; transform:none; } }

.build-step-hint {
  font-size: 12px;
  color: var(--text-sub);
  margin-bottom: 14px;
}
.build-type-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(160px, 1fr));
  gap: 12px;
}
.build-type-card {
  border: 1px solid var(--border-hi);
  border-radius: 10px;
  padding: 18px 16px;
  cursor: pointer;
  transition: border-color .15s, background .15s, box-shadow .15s;
  background: var(--surface);
}
.build-type-card:hover {
  border-color: var(--accent);
  background: var(--accent-lo);
  box-shadow: 0 0 0 3px rgba(124,58,237,.12);
}
.btc-icon {
  color: var(--accent-hi);
  margin-bottom: 10px;
}
.btc-label {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
  margin-bottom: 5px;
}
.btc-desc {
  font-size: 11px;
  color: var(--text-sub);
  line-height: 1.5;
}

.build-checkbox-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  margin-top: 6px;
}
.build-checkbox {
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  color: var(--text-sub);
  cursor: pointer;
  user-select: none;
}
.build-checkbox input[type="checkbox"] {
  accent-color: var(--accent);
  width: 14px;
  height: 14px;
  cursor: pointer;
}

.build-back-btn {
  display: flex;
  align-items: center;
  gap: 5px;
  background: none;
  border: none;
  color: var(--text-sub);
  font-size: 12px;
  cursor: pointer;
  padding: 0;
  margin-bottom: 16px;
}
.build-back-btn:hover { color: var(--text); }
.build-field { margin-bottom: 14px; }
.build-label {
  display: block;
  font-size: 11px;
  font-weight: 600;
  color: var(--text-sub);
  text-transform: uppercase;
  letter-spacing: .06em;
  margin-bottom: 5px;
}
.build-input {
  width: 100%;
  background: var(--surface);
  border: 1px solid var(--border-hi);
  border-radius: 7px;
  padding: 8px 10px;
  font-size: 13px;
  color: var(--text);
  font-family: inherit;
  transition: border-color .15s;
}
.build-input:focus { outline: none; border-color: var(--accent); }
.build-source-tabs {
  display: flex;
  gap: 6px;
  margin-bottom: 10px;
}
.build-tab {
  padding: 5px 14px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  border: 1px solid var(--border-hi);
  background: var(--surface);
  color: var(--text-sub);
  transition: all .15s;
}
.build-tab.active {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}
.build-submit {
  width: 100%;
  margin-top: 18px;
  padding: 10px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, box-shadow .15s;
}
.build-submit:hover {
  background: #6d28d9;
  box-shadow: 0 2px 10px rgba(124,58,237,.4);
}
.build-submit:disabled { opacity: .5; cursor: not-allowed; }

.build-log-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 10px;
}
#build-log-title {
  font-size: 13px;
  font-weight: 600;
  color: var(--text);
}
.build-spinner {
  width: 14px;
  height: 14px;
  border: 2px solid var(--border-hi);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin .7s linear infinite;
}
#build-log-box {
  background: var(--code-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 12px;
  height: 260px;
  overflow-y: auto;
  font-family: var(--mono);
  font-size: 11.5px;
  line-height: 1.6;
  color: var(--text-sub);
  white-space: pre-wrap;
  word-break: break-all;
}
#build-log-box .log-step  { color: var(--accent-hi); font-weight: 600; }
#build-log-box .log-ok    { color: var(--green); }
#build-log-box .log-err   { color: var(--red); }
.build-log-hint {
  margin-top: 10px;
  font-size: 11px;
  color: var(--text-muted);
  text-align: center;
}

.build-done-icon { text-align: center; margin-bottom: 12px; margin-top: 10px; }
.build-done-title {
  text-align: center;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 4px;
}
.build-done-sub {
  text-align: center;
  font-size: 12px;
  color: var(--text-sub);
  margin-bottom: 20px;
}
.build-open-btn {
  display: block;
  width: 100%;
  padding: 10px;
  background: var(--accent);
  border: none;
  border-radius: 8px;
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s;
}
.build-open-btn:hover { background: #6d28d9; }

#btn-build-agent {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 7px;
  margin: 0 12px 10px;
  padding: 9px 0;
  background: var(--accent-lo);
  border: 1px solid rgba(124,58,237,.35);
  border-radius: 8px;
  color: var(--accent-hi);
  font-size: 12px;
  font-weight: 600;
  cursor: pointer;
  transition: background .15s, border-color .15s, color .15s;
  flex-shrink: 0;
}
#btn-build-agent:hover {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
}