/* ───────────────── Local AI — Linear/Raycast aesthetic ───────────────── */
:root {
  --bg: #08080a;
  --surface: #101015;
  --surface-2: #15151c;
  --surface-3: #1c1c25;
  --border: #232330;
  --border-strong: #34344a;
  --text: #e8e8ee;
  --text-2: #a8a8b8;
  --muted: #6b6b80;
  --accent: #7c5cff;
  --accent-soft: rgba(124, 92, 255, 0.14);
  --accent-strong: #9d83ff;
  --green: #4ade80;
  --amber: #fbbf24;
  --red: #f87171;
  --radius: 10px;
  --radius-sm: 6px;
  --shadow-lg: 0 20px 60px -10px rgba(0, 0, 0, 0.6);
  --mono: ui-monospace, "SF Mono", Menlo, Monaco, Consolas, monospace;
  --sans: -apple-system, "Inter", "Segoe UI", Roboto, system-ui, sans-serif;
}

* { box-sizing: border-box; margin: 0; padding: 0; }
[hidden] { display: none !important; }
html, body { height: 100%; overflow: hidden; }
body {
  font-family: var(--sans);
  font-size: 14px;
  line-height: 1.55;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
}
a { color: var(--accent-strong); text-decoration: none; }
a:hover { text-decoration: underline; }
button { font: inherit; color: inherit; background: none; border: none; cursor: pointer; }
input, textarea, select {
  font: inherit; color: inherit; background: var(--surface-2);
  border: 1px solid var(--border); border-radius: var(--radius-sm);
  padding: 8px 10px; outline: none; transition: border-color 120ms;
}
input:focus, textarea:focus, select:focus { border-color: var(--accent); }
kbd {
  font-family: var(--mono); font-size: 11px;
  background: var(--surface-3); border: 1px solid var(--border);
  border-radius: 4px; padding: 1px 5px; color: var(--text-2);
}
code {
  font-family: var(--mono); font-size: 12.5px;
  background: var(--surface-3); padding: 2px 5px; border-radius: 3px;
  color: var(--text);
}
pre {
  background: var(--surface-3); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px 16px; overflow-x: auto;
  font-family: var(--mono); font-size: 12.5px; line-height: 1.55;
  color: var(--text); margin: 8px 0;
}
pre code { background: none; padding: 0; }
::selection { background: var(--accent-soft); }
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-track { background: transparent; }
::-webkit-scrollbar-thumb { background: var(--border-strong); border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: #444460; }

/* ───────────────── App shell ───────────────── */
#app {
  display: grid;
  grid-template-columns: 260px 1fr;
  height: 100vh;
}
#app.sidebar-collapsed { grid-template-columns: 1fr; }
#app.sidebar-collapsed .sidebar { display: none; }
#app.with-sources { grid-template-columns: 260px 1fr 320px; }
#app.with-sources.sidebar-collapsed { grid-template-columns: 1fr 320px; }

/* ───────────────── Sidebar ───────────────── */
.sidebar {
  background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  min-width: 0;
}
.sidebar-head {
  padding: 12px;
  display: flex; gap: 8px; align-items: center;
  border-bottom: 1px solid var(--border);
}
.primary-btn {
  background: var(--accent); color: white;
  padding: 8px 12px; border-radius: var(--radius-sm);
  font-weight: 500; display: inline-flex; align-items: center; gap: 6px;
  transition: background 120ms, transform 80ms;
}
.primary-btn:hover { background: var(--accent-strong); }
.primary-btn:active { transform: translateY(1px); }
.ghost-btn {
  padding: 6px 10px; border-radius: var(--radius-sm);
  color: var(--text-2);
  background: var(--surface-2); border: 1px solid var(--border);
  display: inline-flex; align-items: center; gap: 6px;
  transition: background 100ms, color 100ms, border-color 100ms;
}
.ghost-btn:hover { color: var(--text); background: var(--surface-3); }
.ghost-btn.full { width: 100%; justify-content: flex-start; }
.sidebar-section { padding: 8px 12px; }
.filter-input { width: 100%; }
.conv-list {
  flex: 1; overflow-y: auto;
  padding: 4px 8px;
  display: flex; flex-direction: column; gap: 1px;
}
.conv-group {
  font-size: 11px; text-transform: uppercase; letter-spacing: 0.05em;
  color: var(--muted); padding: 12px 8px 6px;
}
.conv-item {
  display: block; width: 100%; text-align: left;
  padding: 8px 10px; border-radius: var(--radius-sm);
  color: var(--text-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
  transition: background 80ms, color 80ms;
  font-size: 13px;
  position: relative;
}
.conv-item:hover { background: var(--surface-2); color: var(--text); }
.conv-item.active { background: var(--accent-soft); color: var(--text); }
.conv-item .conv-del {
  position: absolute; right: 6px; top: 50%; transform: translateY(-50%);
  opacity: 0; padding: 2px 6px; font-size: 13px; color: var(--muted);
  border-radius: 4px;
}
.conv-item:hover .conv-del { opacity: 1; }
.conv-item .conv-del:hover { color: var(--red); background: var(--surface-3); }
.sidebar-foot {
  padding: 10px;
  display: flex; flex-direction: column; gap: 6px;
  border-top: 1px solid var(--border);
}
.dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 8px var(--green);
}
.count {
  margin-left: auto; font-size: 11px; color: var(--muted);
  background: var(--surface-3); padding: 1px 6px; border-radius: 8px;
}

/* ───────────────── Main column ───────────────── */
.main {
  display: flex; flex-direction: column;
  min-width: 0; min-height: 0;
}
.topbar {
  height: 48px; padding: 0 16px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border);
  background: var(--bg);
}
.topbar-left, .topbar-right { display: flex; gap: 8px; align-items: center; }
.icon-btn {
  width: 32px; height: 32px; display: inline-flex;
  align-items: center; justify-content: center;
  color: var(--text-2); border-radius: var(--radius-sm);
  transition: background 80ms, color 80ms;
}
.icon-btn:hover { background: var(--surface-2); color: var(--text); }
.conv-title {
  font-size: 14px; font-weight: 500; color: var(--text);
  margin-left: 4px;
  max-width: 480px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.pill {
  padding: 6px 10px; border-radius: 999px;
  font-size: 12.5px; color: var(--text-2);
  background: var(--surface-2); border: 1px solid var(--border);
  display: inline-flex; align-items: center; gap: 6px;
  transition: background 80ms, color 80ms, border-color 80ms;
}
.pill:hover { color: var(--text); background: var(--surface-3); }
.pill[data-on="true"] {
  color: var(--accent-strong);
  background: var(--accent-soft);
  border-color: rgba(124, 92, 255, 0.4);
}
.pill .led {
  width: 6px; height: 6px; border-radius: 50%;
  background: var(--green); box-shadow: 0 0 6px var(--green);
}

/* ───────────────── Thread ───────────────── */
.thread {
  flex: 1; overflow-y: auto;
  padding: 24px 24px 12px;
  display: flex; flex-direction: column; gap: 24px;
  align-items: center;
}
.empty {
  flex: 1; display: flex; align-items: center; justify-content: center;
  padding: 48px;
}
.empty-card {
  max-width: 540px; text-align: center;
}
.empty-mark {
  font-size: 32px; color: var(--accent);
  margin-bottom: 12px;
  text-shadow: 0 0 30px rgba(124, 92, 255, 0.5);
}
.empty-card h2 {
  font-size: 22px; font-weight: 600; margin-bottom: 8px;
}
.empty-card p {
  color: var(--text-2); margin-bottom: 20px;
}
.suggest {
  display: grid; grid-template-columns: 1fr 1fr; gap: 8px;
}
.suggest-btn {
  padding: 10px 12px; text-align: left;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius-sm); color: var(--text-2);
  font-size: 12.5px; line-height: 1.4;
  transition: background 100ms, color 100ms, border-color 100ms;
}
.suggest-btn:hover {
  background: var(--surface-3); color: var(--text);
  border-color: var(--border-strong);
}

.msg {
  width: 100%; max-width: 760px;
  display: flex; gap: 14px;
  animation: fadeIn 200ms ease-out;
}
@keyframes fadeIn { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; transform: none; } }
.msg-avatar {
  flex-shrink: 0; width: 28px; height: 28px;
  border-radius: 6px; background: var(--surface-2);
  display: flex; align-items: center; justify-content: center;
  font-size: 11px; font-weight: 600; color: var(--text-2);
  border: 1px solid var(--border);
}
.msg.user .msg-avatar { background: var(--accent-soft); color: var(--accent-strong); border-color: rgba(124, 92, 255, 0.3); }
.msg-body { min-width: 0; flex: 1; }
.msg-meta {
  font-size: 11px; color: var(--muted); margin-bottom: 6px;
  display: flex; align-items: center; gap: 8px;
}
.badge {
  display: inline-flex; align-items: center; gap: 4px;
  font-size: 10.5px; padding: 1px 7px; border-radius: 8px;
  background: var(--surface-3); color: var(--text-2);
  border: 1px solid var(--border);
}
.badge.search { background: var(--accent-soft); color: var(--accent-strong); border-color: rgba(124,92,255,0.3); }
.badge.x { background: rgba(29, 161, 242, 0.12); color: #5db8ff; border-color: rgba(29,161,242,0.3); }
.badge.memory { background: rgba(74,222,128,0.1); color: var(--green); border-color: rgba(74,222,128,0.3); }
button.badge.clickable {
  cursor: pointer; font-family: inherit;
  transition: filter 80ms, transform 60ms;
}
button.badge.clickable:hover { filter: brightness(1.2); }
button.badge.clickable:active { transform: translateY(1px); }
.msg-content {
  color: var(--text); font-size: 14.5px; line-height: 1.62;
  word-wrap: break-word;
}
.msg-content p { margin: 6px 0; }
.msg-content > :first-child { margin-top: 0; }
.msg-content > :last-child { margin-bottom: 0; }
.msg-content h1, .msg-content h2, .msg-content h3 {
  margin: 16px 0 6px; font-weight: 600;
}
.msg-content h1 { font-size: 18px; }
.msg-content h2 { font-size: 16px; }
.msg-content h3 { font-size: 14.5px; color: var(--text-2); }
.msg-content ul, .msg-content ol { margin: 6px 0 6px 22px; }
.msg-content li { margin: 2px 0; }
.msg-content blockquote {
  margin: 8px 0; padding: 6px 12px;
  border-left: 3px solid var(--accent);
  color: var(--text-2); background: var(--surface-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}
.msg-content hr { border: none; border-top: 1px solid var(--border); margin: 14px 0; }

.cursor {
  display: inline-block; width: 8px; height: 14px;
  background: var(--accent); vertical-align: -2px;
  animation: blink 900ms steps(2) infinite;
  margin-left: 1px;
}
@keyframes blink { 50% { opacity: 0; } }

.msg-feedback {
  display: flex; gap: 4px; margin-top: 8px;
  opacity: 0.45; transition: opacity 120ms;
}
.msg:hover .msg-feedback { opacity: 1; }
.fb-btn {
  width: 26px; height: 26px;
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-sm);
  color: var(--text-2); background: transparent;
  border: 1px solid transparent;
  transition: background 80ms, color 80ms, border-color 80ms;
}
.fb-btn:hover { background: var(--surface-2); color: var(--text); }
.fb-btn.active {
  background: var(--accent-soft); color: var(--text);
  border-color: var(--accent); opacity: 1;
}
.msg-feedback:has(.fb-btn.active) { opacity: 1; }

.distill-actions {
  display: flex; align-items: center; gap: 10px;
  margin-top: 8px; flex-wrap: wrap;
}
.distill-actions small { flex: 1; min-width: 200px; }

/* ───────────────── Composer ───────────────── */
.composer {
  border-top: 1px solid var(--border);
  padding: 12px 24px 16px;
  background: var(--bg);
}
.composer-inner {
  max-width: 760px; margin: 0 auto;
  display: flex; gap: 8px; align-items: flex-end;
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 6px 6px 6px 10px;
  transition: border-color 120ms, box-shadow 120ms;
}
.composer-inner:focus-within {
  border-color: var(--accent);
  box-shadow: 0 0 0 4px var(--accent-soft);
}
#composerInput {
  flex: 1; resize: none;
  background: transparent; border: none;
  font-size: 14.5px; line-height: 1.5;
  padding: 8px 4px; max-height: 240px;
  overflow-y: auto;
}
.send-btn {
  width: 32px; height: 32px;
  background: var(--accent); color: white;
  border-radius: 8px;
  display: inline-flex; align-items: center; justify-content: center;
  transition: background 120ms, opacity 120ms;
}
.send-btn:disabled { background: var(--surface-3); color: var(--muted); cursor: not-allowed; }
.send-btn:not(:disabled):hover { background: var(--accent-strong); }
.composer-actions {
  max-width: 760px; margin: 8px auto 0;
  display: flex; gap: 6px; align-items: center;
  flex-wrap: wrap;
}
.action-chip {
  display: inline-flex; align-items: center; gap: 6px;
  font-size: 12px; color: var(--text-2);
  padding: 5px 10px; border-radius: 999px;
  background: var(--surface-2); border: 1px solid var(--border);
  transition: background 100ms, color 100ms, border-color 100ms;
}
.action-chip:hover {
  background: var(--surface-3); color: var(--text);
  border-color: var(--border-strong);
}
.action-chip svg { color: var(--accent-strong); flex-shrink: 0; }
.composer-hint-inline {
  color: var(--muted); font-size: 11px; margin-left: auto;
}
.composer-hint {
  max-width: 760px; margin: 6px auto 0;
  display: flex; justify-content: space-between;
  font-size: 11px; color: var(--muted);
}
.stream-status { color: var(--accent); }

/* ───────────────── Empty-state quick actions ───────────────── */
.quick-actions {
  display: grid; grid-template-columns: 1fr 1fr;
  gap: 8px; margin-bottom: 16px;
}
.quick-action {
  display: flex; align-items: flex-start; gap: 10px;
  text-align: left;
  padding: 14px;
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius);
  transition: background 100ms, border-color 100ms, transform 80ms;
}
.quick-action:hover {
  background: var(--surface-3);
  border-color: rgba(124, 92, 255, 0.4);
}
.quick-action:active { transform: translateY(1px); }
.quick-action svg {
  color: var(--accent-strong); flex-shrink: 0;
  margin-top: 2px;
}
.quick-action div { display: flex; flex-direction: column; gap: 2px; min-width: 0; }
.quick-action strong {
  font-size: 13px; font-weight: 600; color: var(--text);
}
.quick-action span {
  font-size: 11.5px; color: var(--text-2); line-height: 1.4;
}

/* ───────────────── Toast ───────────────── */
.toast-host {
  position: fixed; bottom: 28px; left: 50%;
  transform: translateX(-50%);
  display: flex; flex-direction: column; gap: 8px;
  pointer-events: none;
  z-index: 100;
}
.toast {
  pointer-events: auto;
  background: var(--surface);
  color: var(--text);
  padding: 10px 16px;
  border-radius: 10px;
  border: 1px solid var(--border-strong);
  box-shadow: var(--shadow-lg);
  font-size: 13px;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 200ms ease-out, transform 200ms ease-out;
  max-width: 480px;
}
.toast.show { opacity: 1; transform: translateY(0); }
.toast.success { border-color: rgba(74, 222, 128, 0.55); }
.toast.success::before {
  content: "✓"; color: var(--green); margin-right: 8px; font-weight: 700;
}
.toast.error { border-color: rgba(248, 113, 113, 0.55); }
.toast.error::before {
  content: "✕"; color: var(--red); margin-right: 8px; font-weight: 700;
}
.toast.with-action {
  display: inline-flex; align-items: center; gap: 12px;
  padding-right: 8px;
}
.toast.with-action .toast-msg { flex: 1; }
.toast-action {
  border: 1px solid var(--border-strong);
  background: rgba(255, 255, 255, 0.04);
  color: var(--text);
  padding: 4px 10px;
  border-radius: 6px;
  font-size: 12px;
  font-weight: 500;
  cursor: pointer;
  transition: background 120ms ease-out, border-color 120ms ease-out;
}
.toast-action:hover {
  background: rgba(255, 255, 255, 0.08);
  border-color: var(--accent);
}

/* ───────────────── Library modal ───────────────── */
/* `display: flex` must only apply while the dialog is open — otherwise it
 * overrides the user-agent `dialog:not([open]) { display: none }` rule and
 * the modal stays visible after .close() (the X and Ask-in-chat both call
 * close() but the modal refuses to disappear). */
.modal.library {
  max-width: min(1100px, 96vw);
  width: 96vw;
  height: min(82vh, 760px);
  padding: 0;
  overflow: hidden;
}
.modal.library[open] {
  display: flex; flex-direction: column;
}
.library-head {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px;
  border-bottom: 1px solid var(--border);
  flex-shrink: 0;
}
.library-head-left { display: flex; align-items: baseline; gap: 12px; }
.library-head-left h3 { font-size: 15px; font-weight: 600; }
.library-head-right { display: flex; gap: 6px; align-items: center; }
.library-head-right .ghost-btn { padding: 6px 10px; font-size: 12px; }
.library-body {
  flex: 1; min-height: 0;
  display: grid;
  grid-template-columns: 320px 1fr;
}
.library-list-pane {
  display: flex; flex-direction: column;
  border-right: 1px solid var(--border);
  min-height: 0;
  background: var(--surface);
}
.library-search { padding: 12px; border-bottom: 1px solid var(--border); }
.library-search input { width: 100%; }
.library-types {
  display: flex; flex-wrap: wrap; gap: 4px;
  padding: 10px 12px;
  border-bottom: 1px solid var(--border);
}
.type-pill {
  padding: 3px 9px;
  font-size: 11.5px;
  border-radius: 999px;
  background: var(--surface-2);
  border: 1px solid var(--border);
  color: var(--text-2);
  transition: background 80ms, color 80ms, border-color 80ms;
}
.type-pill:hover { background: var(--surface-3); color: var(--text); }
.type-pill.active {
  background: var(--accent-soft); color: var(--accent-strong);
  border-color: rgba(124, 92, 255, 0.4);
}
.type-pill.small { font-size: 10.5px; padding: 2px 7px; }
.library-list {
  flex: 1; overflow-y: auto;
  padding: 6px;
  display: flex; flex-direction: column; gap: 2px;
}
.library-list-empty {
  padding: 24px 16px; text-align: center;
  color: var(--muted); font-size: 12.5px;
}
.library-row {
  display: flex; gap: 10px; align-items: flex-start;
  padding: 10px;
  border-radius: var(--radius-sm);
  background: transparent;
  text-align: left;
  transition: background 80ms, color 80ms;
}
.library-row:hover { background: var(--surface-2); }
.library-row.active {
  background: var(--accent-soft);
  outline: 1px solid rgba(124, 92, 255, 0.3);
}
.lib-row-icon {
  flex-shrink: 0;
  width: 22px; height: 22px;
  display: flex; align-items: center; justify-content: center;
  font-size: 13px;
  background: var(--surface-3);
  border-radius: 5px;
  margin-top: 1px;
}
.lib-row-body { min-width: 0; flex: 1; }
.lib-row-title {
  font-size: 13px; font-weight: 500; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.lib-row-meta {
  font-size: 10.5px; color: var(--muted);
  margin-top: 2px;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}

/* Detail pane */
.library-detail {
  display: flex; flex-direction: column;
  min-height: 0;
  background: var(--bg);
}
.library-empty {
  flex: 1;
  display: flex; flex-direction: column;
  align-items: center; justify-content: center;
  color: var(--muted); gap: 8px;
}
.library-empty-mark { font-size: 36px; opacity: 0.6; }
.library-loading {
  flex: 1; display: flex; align-items: center; justify-content: center;
}
.library-detail-head {
  padding: 18px 24px 12px;
  display: flex; flex-direction: column; gap: 6px;
  border-bottom: 1px solid var(--border);
}
.lib-detail-title {
  font-size: 18px; font-weight: 600; color: var(--text);
  line-height: 1.3;
}
.lib-detail-meta {
  display: flex; flex-wrap: wrap; gap: 10px; align-items: center;
}
.lib-detail-url {
  font-size: 12px; color: var(--text-2);
  word-break: break-all;
}
.lib-detail-url.muted-small { color: var(--muted); }
.library-actions {
  padding: 10px 24px;
  display: flex; gap: 6px; flex-wrap: wrap;
  border-bottom: 1px solid var(--border);
}
.library-actions .ghost-btn { padding: 6px 12px; font-size: 12px; }
.library-actions .ghost-btn.danger:hover {
  color: var(--red);
  border-color: rgba(248, 113, 113, 0.4);
}
.library-content {
  flex: 1; overflow-y: auto;
  padding: 18px 24px 24px;
  font-size: 14px; line-height: 1.6;
  color: var(--text);
}
.library-content p { margin: 8px 0; }
.library-content > :first-child { margin-top: 0; }
.library-content h1, .library-content h2, .library-content h3 {
  margin: 18px 0 6px; font-weight: 600;
}
.library-content h1 { font-size: 17px; }
.library-content h2 { font-size: 15.5px; }
.library-content h3 { font-size: 14px; color: var(--text-2); }
.library-content ul, .library-content ol { margin: 6px 0 6px 22px; }
.library-content blockquote {
  margin: 8px 0; padding: 6px 12px;
  border-left: 3px solid var(--accent);
  color: var(--text-2); background: var(--surface-2);
  border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
}

@media (max-width: 820px) {
  .modal.library { height: 92vh; }
  .library-body { grid-template-columns: 1fr; }
  .library-list-pane { max-height: 40%; border-right: none; border-bottom: 1px solid var(--border); }
}

/* ───────────────── Sources rail ───────────────── */
.sources {
  background: var(--surface);
  border-left: 1px solid var(--border);
  display: flex; flex-direction: column;
  min-width: 0;
}
.sources-head {
  padding: 12px 16px; height: 48px;
  display: flex; align-items: center; justify-content: space-between;
  border-bottom: 1px solid var(--border);
}
.sources-head h3 { font-size: 13px; font-weight: 600; }
.sources-body {
  flex: 1; overflow-y: auto;
  padding: 12px 16px 16px;
  display: flex; flex-direction: column; gap: 18px;
}
.rail-section { display: flex; flex-direction: column; gap: 8px; }
.rail-section-head {
  display: flex; align-items: baseline; justify-content: space-between;
  padding: 4px 0 2px;
  border-bottom: 1px solid var(--border);
}
.rail-section-head h4 {
  font-size: 11px; font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.07em;
  color: var(--text);
}
.muted { color: var(--muted); font-size: 12.5px; }
.muted-small { color: var(--muted); font-size: 10.5px; }
.source-card {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 12px;
  display: flex; flex-direction: column; gap: 4px;
}
.source-card .src-title {
  font-size: 12.5px; font-weight: 500; color: var(--text);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.source-card .src-url {
  font-size: 11px; color: var(--text-2);
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.source-card .src-meta { font-size: 10.5px; color: var(--muted); }

/* ───────────────── Drop overlay ───────────────── */
.drop-overlay {
  position: fixed; inset: 0;
  background: rgba(124, 92, 255, 0.1);
  backdrop-filter: blur(4px);
  display: flex; align-items: center; justify-content: center;
  z-index: 50;
  border: 2px dashed var(--accent);
}
.drop-overlay > div {
  background: var(--surface);
  padding: 24px 40px; border-radius: var(--radius);
  border: 1px solid var(--border-strong);
  font-size: 15px; font-weight: 500;
  box-shadow: var(--shadow-lg);
}

/* ───────────────── Modals ───────────────── */
.modal {
  background: var(--surface); color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 14px; padding: 0;
  box-shadow: var(--shadow-lg);
  max-width: 480px; width: 90vw;
}
.modal.wide { max-width: 640px; }
.modal::backdrop { background: rgba(0, 0, 0, 0.5); backdrop-filter: blur(4px); }
.modal form { padding: 20px; display: flex; flex-direction: column; gap: 14px; }
.modal h3 { font-size: 15px; font-weight: 600; }
.modal-head { display: flex; align-items: center; justify-content: space-between; padding: 16px 20px; border-bottom: 1px solid var(--border); margin: -20px -20px 0; }
.modal-body { display: flex; flex-direction: column; gap: 16px; padding: 4px 0; }
.modal-foot { display: flex; justify-content: flex-end; gap: 8px; margin-top: 8px; padding-top: 14px; border-top: 1px solid var(--border); margin-left: -20px; margin-right: -20px; padding-left: 20px; padding-right: 20px; }
.modal-actions { display: flex; gap: 8px; justify-content: flex-end; }
.field { display: flex; flex-direction: column; gap: 6px; }
.field label { font-size: 12px; color: var(--text-2); font-weight: 500; }
.field.row { flex-direction: row; align-items: center; justify-content: space-between; }
.field.row label { margin: 0; }
.field input, .field select { width: 100%; }

/* Palette */
.palette { max-width: 560px; padding: 0; }
.palette form { padding: 0; gap: 0; }
#paletteInput {
  width: 100%; padding: 16px 20px; background: transparent;
  border: none; border-bottom: 1px solid var(--border);
  font-size: 14.5px; border-radius: 14px 14px 0 0;
}
#paletteInput:focus { border-color: var(--border); }
.palette-list { list-style: none; max-height: 360px; overflow-y: auto; }
.palette-list li {
  padding: 10px 20px; cursor: pointer;
  display: flex; align-items: center; gap: 10px;
  font-size: 13.5px; transition: background 80ms;
}
.palette-list li.active, .palette-list li:hover { background: var(--accent-soft); }
.palette-list li .ico { color: var(--accent); width: 16px; }
.palette-list li .desc { color: var(--muted); margin-left: auto; font-size: 11.5px; }

/* Aux sites */
.aux-list { display: flex; flex-direction: column; gap: 4px; }
.aux-row {
  display: flex; align-items: center; gap: 6px;
  padding: 6px 8px; border-radius: var(--radius-sm);
  background: var(--surface-2); font-size: 12.5px;
}
.aux-row .url { flex: 1; color: var(--text-2); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.aux-row .rm { color: var(--muted); padding: 2px 6px; border-radius: 4px; }
.aux-row .rm:hover { color: var(--red); background: var(--surface-3); }
.aux-add { display: flex; gap: 6px; }
.aux-add input { flex: 1; }

/* Memory modal */
.memory-stats {
  display: grid; grid-template-columns: repeat(3, 1fr); gap: 8px;
}
.stat-card {
  background: var(--surface-2); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 10px 12px;
}
.stat-card .label { font-size: 11px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.05em; }
.stat-card .value { font-size: 20px; font-weight: 600; color: var(--text); }
.memory-sources {
  display: flex; flex-direction: column; gap: 6px;
  max-height: 50vh; overflow-y: auto;
}
.memory-sources .source-card { flex-direction: row; align-items: center; }
.memory-sources .source-card > div { flex: 1; min-width: 0; }
.memory-sources .source-card .rm { color: var(--muted); padding: 4px 8px; border-radius: 4px; }
.memory-sources .source-card .rm:hover { color: var(--red); background: var(--surface-3); }

@media (max-width: 720px) {
  #app { grid-template-columns: 0 1fr; }
  #app.with-sources { grid-template-columns: 0 1fr 0; }
  #app.with-sources .sources { display: none; }
  #app.sidebar-open { grid-template-columns: 240px 1fr; }
  #app.sidebar-open .sidebar { display: flex; }
  .sidebar { display: none; position: fixed; left: 0; top: 0; bottom: 0; z-index: 30; width: 240px; box-shadow: var(--shadow-lg); }
  .composer, .thread { padding-left: 16px; padding-right: 16px; }
  .suggest { grid-template-columns: 1fr; }
  .quick-actions { grid-template-columns: 1fr; }
  .topbar-right .pill span { display: none; }
}