:root {
  --bg: #090909;
  --panel: #111111;
  --panel-2: #181818;
  --input: #202020;
  --border: #333333;
  --text: #f3f3f3;
  --muted: #a8a8a8;
  --accent: #10a37f;
  --accent-text: #ffffff;
  --danger: #d95656;
  --shadow: rgba(0,0,0,.35);
  --radius: 14px;
}

body[data-theme="graphite"] { --bg:#15171a; --panel:#1d2024; --panel-2:#262a2f; --input:#2d3238; --border:#444a52; --text:#f1f3f5; --muted:#aab1ba; --accent:#7c8cff; }
body[data-theme="ocean"] { --bg:#07131d; --panel:#0b1c29; --panel-2:#10283a; --input:#153247; --border:#28516c; --text:#eff8ff; --muted:#9bb8ca; --accent:#28a9e0; }
body[data-theme="forest"] { --bg:#07120d; --panel:#0d1d14; --panel-2:#13281b; --input:#193522; --border:#31533d; --text:#effaf2; --muted:#a5b9aa; --accent:#45b96b; }
body[data-theme="aubergine"] { --bg:#120a14; --panel:#1d1021; --panel-2:#29172f; --input:#35203c; --border:#55335f; --text:#fbf1fd; --muted:#c0a8c6; --accent:#b86ad0; }
body[data-theme="amber"] { --bg:#161006; --panel:#22190b; --panel-2:#302411; --input:#3d2d15; --border:#66502a; --text:#fff8e9; --muted:#c8b894; --accent:#d39b2f; }
body[data-theme="paper"] { --bg:#ecebe7; --panel:#f8f7f3; --panel-2:#ffffff; --input:#ffffff; --border:#c9c7bf; --text:#1e1e1c; --muted:#66655f; --accent:#246bce; --shadow:rgba(0,0,0,.12); }

* { box-sizing: border-box; }
html, body { height: 100%; }
body { margin: 0; background: var(--bg); color: var(--text); font-family: Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif; overflow: hidden; }
button, input, select, textarea { font: inherit; }
button { cursor: pointer; }
.hidden { display: none !important; }
.small { font-size: .84rem; }
.muted { color: var(--muted); }
.top-gap { margin-top: 12px; }
.row { display: flex; align-items: center; gap: 10px; }
.row.compact { gap: 6px; }
.row.wrap { flex-wrap: wrap; }
.full { width: 100%; }
.mobile-only { display: none; }

button, select, input, textarea {
  border: 1px solid var(--border);
  background: var(--input);
  color: var(--text);
  border-radius: 10px;
}
button { padding: 9px 13px; }
button:hover { filter: brightness(1.08); }
button.primary { background: var(--accent); color: var(--accent-text); border-color: transparent; font-weight: 650; }
button.ghost { background: transparent; }
button.danger { background: transparent; color: #ff8b8b; border-color: rgba(217,86,86,.55); }
button.icon-btn { width: 38px; height: 38px; display: inline-grid; place-items: center; padding: 0; background: transparent; font-size: 1.15rem; }
input, select, textarea { width: 100%; padding: 10px 11px; outline: none; }
textarea { resize: vertical; line-height: 1.45; }
input:focus, select:focus, textarea:focus { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 23%, transparent); }

.app-shell { height: 100dvh; display: grid; grid-template-columns: 286px minmax(0, 1fr); }
.sidebar { background: var(--panel); border-right: 1px solid var(--border); min-width: 0; display: flex; flex-direction: column; }
.brandbar { display: flex; align-items: center; gap: 10px; padding: 14px; border-bottom: 1px solid var(--border); }
.brand-icon { width: 40px; height: 40px; border-radius: 10px; object-fit: cover; }
.brand-title { font-size: 1.06rem; font-weight: 800; letter-spacing: .1px; flex: 1; }
.sidebar-actions { padding: 12px 12px 6px; display: grid; gap: 8px; }
.search-wrap { padding: 6px 12px 10px; }
.conversation-list { flex: 1; overflow-y: auto; padding: 4px 8px 16px; }
.conversation-item { display: flex; align-items: center; gap: 6px; padding: 8px; border-radius: 10px; border: 1px solid transparent; }
.conversation-item:hover { background: var(--panel-2); }
.conversation-item.active { background: var(--panel-2); border-color: var(--border); }
.conversation-open { flex: 1; min-width: 0; padding: 3px 4px; background: transparent; border: 0; color: var(--text); text-align: left; }
.conversation-title { display: block; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; }
.conversation-meta { font-size: .72rem; color: var(--muted); margin-top: 3px; display: block; }
.conversation-delete { border: 0; background: transparent; color: var(--muted); padding: 4px 7px; opacity: .65; }
.conversation-item:hover .conversation-delete { opacity: 1; }
.sidebar-footer { padding: 10px 14px; border-top: 1px solid var(--border); color: var(--muted); font-size: .76rem; }

.main-panel { min-width: 0; min-height: 0; height: 100dvh; overflow: hidden; display: grid; grid-template-rows: auto minmax(0,1fr) auto; background: var(--bg); }
.chat-header { min-height: 62px; display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px 16px; border-bottom: 1px solid var(--border); background: color-mix(in srgb, var(--bg) 92%, transparent); }
.model-strip { display: flex; align-items: center; gap: 7px; min-width: 0; }
.model-strip select { width: auto; max-width: 330px; }
.status-pill { font-size: .75rem; padding: 5px 9px; border: 1px solid var(--border); border-radius: 999px; color: var(--muted); white-space: nowrap; }
.status-pill.ok { color: #7bdfa0; border-color: rgba(69,185,107,.55); }
.status-pill.busy { color: #ffd27a; }
.status-pill.error { color: #ff8b8b; border-color: rgba(217,86,86,.55); }

.chat-view { min-height: 0; overflow-y: auto; }
.empty-state { min-height: 100%; display: grid; align-content: center; justify-items: center; padding: 30px; text-align: center; }
.empty-state h1 { margin: 14px 0 6px; }
.empty-state p { color: var(--muted); max-width: 560px; line-height: 1.55; }
.empty-logo { width: 116px; height: 116px; border-radius: 28px; box-shadow: 0 18px 50px var(--shadow); }
.messages { width: min(900px, 100%); margin: 0 auto; padding: 28px 22px 80px; }
.message { display: grid; grid-template-columns: 38px minmax(0, 1fr); gap: 12px; margin: 0 0 22px; }
.message-avatar { width: 34px; height: 34px; border-radius: 10px; display: grid; place-items: center; border: 1px solid var(--border); background: var(--panel-2); font-size: .72rem; font-weight: 800; }
.message.user .message-avatar { background: color-mix(in srgb, var(--accent) 18%, var(--panel-2)); }
.message-body { min-width: 0; line-height: 1.6; }
.message-label { font-size: .78rem; color: var(--muted); margin-bottom: 5px; }
.message-content { word-wrap: break-word; }
.message-content p { margin: 0 0 11px; }
.message-content p:last-child { margin-bottom: 0; }
.message-content pre { overflow-x: auto; padding: 13px; border: 1px solid var(--border); background: var(--panel); border-radius: 10px; }
.message-content code { background: var(--panel-2); border-radius: 5px; padding: 2px 5px; }
.message-content pre code { background: transparent; padding: 0; }
.message-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 7px; margin-top: 6px; }
.message-timestamp { font-size: .70rem; line-height: 1.3; color: var(--muted); white-space: nowrap; }
.message-tools { display: flex; align-items: center; gap: 5px; opacity: .88; }
.message-tools button { padding: 5px; min-height: 30px; min-width: 30px; display: inline-flex; align-items: center; justify-content: center; font-size: .73rem; color: var(--muted); background: transparent; }
.message-tools button:active { background: var(--panel-2); color: var(--text); }

.composer-wrap { padding: 10px 18px max(14px, env(safe-area-inset-bottom)); background: linear-gradient(to top, var(--bg) 70%, transparent); }
.composer { width: min(900px, 100%); margin: 0 auto; border: 1px solid var(--border); background: var(--panel-2); border-radius: 17px; padding: 10px; box-shadow: 0 12px 40px var(--shadow); }
.composer textarea { min-height: 44px; max-height: 180px; border: 0; background: transparent; padding: 7px 8px; resize: none; box-shadow: none; }
.composer-actions { display: flex; justify-content: flex-end; gap: 8px; }
.composer-note { width: min(900px, 100%); margin: 6px auto 0; color: var(--muted); font-size: .70rem; text-align: center; }

.install-banner { position: fixed; z-index: 30; top: 14px; left: 50%; transform: translateX(-50%); width: min(680px, calc(100vw - 28px)); display: flex; align-items: center; justify-content: space-between; gap: 18px; padding: 12px 14px; border: 1px solid var(--border); background: var(--panel-2); border-radius: 14px; box-shadow: 0 16px 50px var(--shadow); }
.install-banner strong, .install-banner span { display: block; }
.install-banner span { color: var(--muted); font-size: .82rem; margin-top: 2px; }

.modal-backdrop { position: fixed; inset: 0; z-index: 40; background: rgba(0,0,0,.68); display: grid; place-items: center; padding: 22px; }
.settings-modal { width: min(1040px, 100%); height: min(820px, calc(100dvh - 44px)); background: var(--panel); border: 1px solid var(--border); border-radius: 18px; display: grid; grid-template-rows: auto minmax(0,1fr) auto; box-shadow: 0 24px 80px rgba(0,0,0,.5); overflow: hidden; }
.modal-header, .modal-footer { display: flex; align-items: center; justify-content: space-between; gap: 10px; padding: 13px 16px; border-bottom: 1px solid var(--border); }
.modal-header h2 { margin: 0; font-size: 1.08rem; }
.modal-footer { border-bottom: 0; border-top: 1px solid var(--border); }
.settings-layout { min-height: 0; display: grid; grid-template-columns: 210px minmax(0,1fr); }
.settings-nav { border-right: 1px solid var(--border); padding: 12px; display: flex; flex-direction: column; gap: 4px; min-height: 0; }
.settings-nav button { text-align: left; background: transparent; border-color: transparent; }
.settings-nav button:hover, .settings-nav button.active { background: var(--panel-2); border-color: var(--border); }
.settings-nav .about-link { margin-top: auto; }
.settings-content { min-height: 0; overflow-y: auto; padding: 22px; }
.settings-page { display: none; }
.settings-page.active { display: block; }
.settings-page h3 { margin: 0 0 16px; }
.setting-card { border: 1px solid var(--border); border-radius: 14px; padding: 15px; background: var(--panel-2); margin-bottom: 14px; }
.setting-card label { display: block; font-weight: 650; margin-bottom: 7px; }
.setting-card small { color: var(--muted); display: block; margin-top: 7px; line-height: 1.4; }
.setting-card textarea + label, .setting-card select + label { margin-top: 13px; }
.key-row { display: grid; grid-template-columns: minmax(0,1fr) auto auto; gap: 8px; }
.field-status { min-height: 18px; margin-top: 7px; color: var(--muted); font-size: .80rem; }
.field-status.ok { color: #7bdfa0; }
.field-status.error { color: #ff8b8b; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.check-row { display: flex !important; gap: 9px; align-items: center; font-weight: 500 !important; }
.check-row input { width: auto; }
.memory-list { display: grid; gap: 8px; }
.memory-item { display: grid; grid-template-columns: auto minmax(0,1fr) auto; align-items: center; gap: 9px; padding: 10px 11px; border: 1px solid var(--border); border-radius: 11px; background: var(--panel-2); }
.memory-item input[type="checkbox"] { width: auto; }
.memory-text { line-height: 1.35; }
.theme-grid { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 10px; }
.theme-card { text-align: left; padding: 12px; background: var(--panel-2); }
.theme-card.active { border-color: var(--accent); box-shadow: 0 0 0 2px color-mix(in srgb, var(--accent) 20%, transparent); }
.theme-preview { height: 72px; border-radius: 9px; border: 1px solid rgba(127,127,127,.3); margin-bottom: 9px; display: grid; grid-template-columns: 30% 70%; overflow: hidden; }
.theme-preview span:last-child { display: grid; align-content: center; gap: 7px; padding: 9px; }
.theme-preview i { display: block; height: 8px; border-radius: 5px; }
.about-page { text-align: center; }
.about-meta { display: grid; gap: 7px; justify-items: center; color: var(--muted); }
.about-meta strong { color: var(--text); font-size: 1.4rem; }
.about-image { display: block; width: min(460px, 90%); margin: 28px auto 0; border-radius: 24px; box-shadow: 0 20px 55px var(--shadow); }
.toast { position: fixed; z-index: 80; left: 50%; bottom: 24px; transform: translateX(-50%); padding: 10px 14px; background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 10px; box-shadow: 0 12px 40px var(--shadow); }

@media (max-width: 800px) {
  .main-panel { height: 100dvh; max-height: 100dvh; overflow: hidden; }
  .mobile-only { display: inline-grid; }
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; z-index: 25; inset: 0 auto 0 0; width: min(86vw, 330px); transform: translateX(-105%); transition: transform .2s ease; box-shadow: 18px 0 60px rgba(0,0,0,.45); }
  .sidebar.open { transform: translateX(0); }
  .chat-header { padding: 8px 10px; }
  .model-strip { flex: 1; }
  .model-strip select { min-width: 0; max-width: none; }
  #providerSelect { width: 36%; }
  #modelSelect { width: 64%; }
  .status-pill { display: none; }
  .messages { padding: 20px 14px 75px; }
  .composer-wrap { padding-left: 10px; padding-right: 10px; }
  .modal-backdrop { padding: 0; }
  .settings-modal { width: 100%; height: 100dvh; border-radius: 0; border: 0; }
  .settings-layout { grid-template-columns: 1fr; grid-template-rows: auto minmax(0,1fr); }
  .settings-nav { border-right: 0; border-bottom: 1px solid var(--border); display: flex; flex-direction: row; overflow-x: auto; padding: 8px; }
  .settings-nav button { white-space: nowrap; }
  .settings-nav .about-link { margin-top: 0; }
  .settings-content { padding: 16px; }
  .two-col { grid-template-columns: 1fr; }
  .theme-grid { grid-template-columns: 1fr; }
  .install-banner { align-items: flex-start; }
}

@media (max-width: 520px) {
  .message { grid-template-columns: 28px minmax(0,1fr); gap: 9px; }
  .message-avatar { width: 28px; height: 28px; border-radius: 8px; }
  .key-row { grid-template-columns: minmax(0,1fr) auto; }
  .key-row button:last-child { grid-column: 1 / -1; }
}

/* v0.03 model profiles */
.active-model-label { color: var(--muted); font-size: .76rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 330px; }
#profileSelect { min-width: 180px; max-width: 290px; }
.three-col { display: grid; grid-template-columns: repeat(3, minmax(0,1fr)); gap: 12px; }
.new-chat-modal { width: min(650px, calc(100vw - 28px)); max-height: min(760px, calc(100dvh - 28px)); background: var(--panel); border: 1px solid var(--border); border-radius: 18px; display: grid; grid-template-rows: auto minmax(0,1fr) auto; box-shadow: 0 24px 80px rgba(0,0,0,.5); overflow: hidden; }
.profile-picker { padding: 14px; overflow-y: auto; display: grid; gap: 9px; }
.profile-pick-card { display: grid; gap: 5px; text-align: left; padding: 14px; background: var(--panel-2); border: 1px solid var(--border); }
.profile-pick-card:hover { border-color: var(--accent); }
.profile-pick-card strong { font-size: 1rem; }
.profile-pick-card span { color: var(--text); font-size: .84rem; }
.profile-pick-card small { color: var(--muted); }
.empty-picker { display: grid; gap: 7px; padding: 28px 16px; text-align: center; color: var(--muted); }
.empty-picker strong { color: var(--text); }
#promptPreview { font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace; font-size: .82rem; }

@media (max-width: 800px) {
  .three-col { grid-template-columns: 1fr; }
  #profileSelect { width: 58%; min-width: 0; max-width: none; }
  .active-model-label { max-width: 40%; }
  .new-chat-modal { width: 100%; height: 100dvh; max-height: none; border: 0; border-radius: 0; }
}

/* v0.05 persona avatars, user bubbles and timestamps */
.message.assistant .message-avatar {
  overflow: hidden;
  padding: 0;
}
.message-avatar img {
  width: 100%;
  height: 100%;
  display: block;
  object-fit: cover;
  border-radius: inherit;
}

.message.user {
  display: flex;
  justify-content: flex-end;
  margin-left: auto;
}
.message.user .message-body {
  width: fit-content;
  max-width: min(78%, 680px);
  line-height: 1.5;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
}
.message.user .message-content {
  width: fit-content;
  max-width: 100%;
  background: color-mix(in srgb, var(--accent) 20%, var(--panel-2));
  border: 1px solid color-mix(in srgb, var(--accent) 34%, var(--border));
  border-radius: 18px 18px 5px 18px;
  padding: 11px 14px;
  box-shadow: 0 4px 18px color-mix(in srgb, var(--accent) 8%, transparent);
}
.message.user .message-content p { margin-bottom: 8px; }
.message.user .message-meta { justify-content: flex-start; align-self: flex-start; }

.avatar-builder-row {
  display: grid;
  grid-template-columns: 64px auto minmax(120px, 1fr);
  align-items: center;
  gap: 12px;
}
.builder-avatar-preview {
  width: 58px;
  height: 58px;
  border: 1px solid var(--border);
  border-radius: 14px;
  display: grid;
  place-items: center;
  overflow: hidden;
  background: var(--panel-2);
  color: var(--muted);
  font-size: .7rem;
}
.builder-avatar-preview img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.profile-pick-card {
  grid-template-columns: 48px minmax(0,1fr);
  align-items: center;
}
.profile-pick-avatar {
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--panel);
  display: grid;
  place-items: center;
  overflow: hidden;
  font-weight: 800;
}
.profile-pick-avatar img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.profile-pick-main {
  min-width: 0;
  display: grid;
  gap: 3px;
}
.profile-pick-main b {
  font-size: .72rem;
  font-weight: 500;
  color: var(--muted);
}

@media (max-width: 800px) {
  .message.user .message-body { max-width: 86%; }
  .avatar-builder-row { grid-template-columns: 58px minmax(0,1fr); }
  .avatar-builder-row small { grid-column: 1 / -1; }
}

/* v0.06: scoped memory, tools, attachments and generated images */
.tool-permissions { margin-top: 18px; background: var(--panel); }
.tool-permissions h4 { margin: 0 0 14px; }
.tool-permissions .check-row { margin: 11px 0; line-height: 1.45; align-items: flex-start; }
.tool-permissions .check-row strong { display: inline; }
.memory-item { grid-template-columns: auto minmax(0,1fr) auto auto; }
.memory-item button { white-space: nowrap; }
.memory-history { display: grid; gap: 8px; }
.history-item { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 10px; border: 1px solid var(--border); border-radius: 10px; overflow-wrap: anywhere; }
.history-item > div { min-width: 0; }
.history-item small { display: block; color: var(--muted); margin-bottom: 3px; }
.history-item button { flex-shrink: 0; }
.composer-action-spacer { flex: 1; }
.composer-actions { align-items: center; justify-content: flex-start; flex-wrap: wrap; }
.composer-actions button { font-size: .82rem; }
#imageModeBtn.active { background: var(--accent); color: white; border-color: var(--accent); }
.attachment-preview { display: flex; gap: 8px; padding: 2px 4px 9px; flex-wrap: wrap; }
.attachment-thumb { position: relative; width: 78px; height: 78px; border: 1px solid var(--border); border-radius: 10px; overflow: hidden; }
.attachment-thumb img { width: 100%; height: 100%; object-fit: cover; }
.attachment-thumb button { position: absolute; right: 2px; top: 2px; background: rgba(0,0,0,.78); color: #fff; border: 0; border-radius: 50%; width: 24px; height: 24px; padding: 0; }
.message-image { display: inline-block; max-width: min(100%, 360px); max-height: 340px; object-fit: contain; border-radius: 12px; margin: 8px 7px 4px 0; vertical-align: top; }
.generated-image { display: grid; justify-items: start; gap: 8px; margin: 10px 0; }
.generated-image img { max-width: min(100%, 520px); max-height: 600px; border-radius: 13px; object-fit: contain; }
.download-image { display: inline-block; padding: 6px 12px; text-decoration: none; color: var(--text); border: 1px solid var(--border); border-radius: 9px; }
.message-sources { font-size: .75rem; margin: 8px 0; line-height: 1.6; color: var(--muted); }
.message-sources a { color: var(--accent); text-decoration: underline; }
@media (max-width: 800px) {
  .memory-item { grid-template-columns: auto minmax(0,1fr) auto; }
  .memory-item button:last-child { grid-column: 3; }
  .memory-item button:nth-last-child(2) { grid-column: 3; }
  .composer-actions { gap: 6px; }
  .composer-actions button { padding: 8px 9px; }
}

/* v0.06.2: reliable tappable message actions on iOS/PWA */
.message-meta, .message-tools { position: relative; z-index: 1; }
.message-tools button {
  position: relative;
  z-index: 2;
  pointer-events: auto;
  touch-action: manipulation;
  -webkit-tap-highlight-color: rgba(255,255,255,.16);
  min-height: 36px;
  min-width: 36px;
}
.message-tools button svg, .message-tools button svg * { pointer-events: none; }
.message-tools button:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
.message-tools button:disabled { opacity: .55; }

/* v0.09 */
.conversation-rename {border:0;background:transparent;color:var(--muted);padding:6px 8px;font-size:1.1rem;cursor:pointer}
.conversation-rename:hover {color:var(--text)}
.reasoning-header {display:flex;align-items:center;gap:5px;color:var(--muted);font-size:.74rem;white-space:nowrap}
.reasoning-header select {min-width:75px;max-width:95px;font-size:.78rem;padding:6px 4px}
.chat-view {position:relative}
.scroll-to-bottom {position:fixed;bottom:178px;left:50%;transform:translateX(-50%);z-index:10;border-radius:50%;width:44px;height:44px;background:var(--panel-2);color:var(--text);border:1px solid var(--border);box-shadow:0 2px 12px #0007;cursor:pointer;font-size:1.4rem}
.scroll-to-bottom.hidden {display:none}
.long-message,.reasoning-details {max-width:100%;border:1px solid var(--border);border-radius:10px;padding:8px 12px;margin:8px 0}
.long-message summary,.reasoning-details summary {cursor:pointer;color:var(--muted);font-size:.85rem}
.long-message-body,.reasoning-details>div {padding-top:10px;overflow-wrap:anywhere}
.paste-summary {display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--muted);font-size:.83rem;padding:3px 0}
.paste-collapsed {max-height:40px!important;overflow:hidden!important;opacity:.65}
.profile-set-default {display:block;width:100%;padding:8px;border:1px solid var(--border);border-radius:8px;background:var(--panel-2);color:var(--text);margin:0 0 10px;cursor:pointer}
@media(max-width:800px){.reasoning-header span{display:none}.reasoning-header select{max-width:78px;min-width:72px}.active-model-label{font-size:.67rem}}

/* ReMiniAPI v0.11: restore the flat settings tabs. */
.api-help {display:flex;flex-wrap:wrap;gap:14px;margin-top:12px;font-size:.87rem}
.api-help a {color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.persona-overview {display:grid;gap:9px;margin:14px 0 20px}
.persona-row {display:flex;gap:8px;align-items:center;border:1px solid var(--border);border-radius:12px;padding:12px;background:var(--panel)}
.persona-row>div {flex:1;min-width:0;display:flex;flex-direction:column;gap:3px}
.persona-row small {color:var(--muted);font-size:.78rem;overflow-wrap:anywhere}
.persona-row button {white-space:nowrap;padding:8px}
.unavailable-tool {opacity:.36;cursor:default}
.unavailable-tool input {cursor:not-allowed}
.attachment-document {border:1px solid var(--border);border-radius:9px;padding:10px;display:flex;gap:8px;align-items:center;max-width:100%;overflow-wrap:anywhere;font-size:.85rem}
.attachment-document button {margin-left:auto;border:0;background:transparent;color:var(--text);cursor:pointer}
.document-tag {display:inline-block;border:1px solid var(--border);border-radius:7px;padding:4px 8px;margin:5px 5px 5px 0;color:var(--muted);font-size:.85rem}

/* v0.11: stable, single-row tab navigation on phones and desktop. */
.settings-layout {min-width:0;min-height:0}
.settings-nav {min-width:0}
.settings-nav button {flex-shrink:0}
@media (max-width:800px) {
  .settings-layout {display:grid;grid-template-columns:minmax(0,1fr);grid-template-rows:56px minmax(0,1fr);overflow:hidden}
  .settings-nav {display:flex;flex-direction:row;flex-wrap:nowrap;align-items:center;align-content:center;gap:6px;overflow-x:auto;overflow-y:hidden;min-width:0;max-width:100vw;height:56px;min-height:0;max-height:56px;padding:6px 12px;border:0;border-bottom:1px solid var(--border);overscroll-behavior-x:contain;-webkit-overflow-scrolling:touch;scrollbar-width:none}
  .settings-nav::-webkit-scrollbar {display:none}
  .settings-nav button {display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;width:auto;min-height:40px;padding:8px 13px;white-space:nowrap;line-height:1.2;margin:0}
  .settings-content {min-height:0;min-width:0;overflow-y:auto;overflow-x:hidden}
}

/* v0.13: clean chat organization, contained in the sidebar. */
.folder-tools {display:flex;align-items:center;gap:6px;padding:0 12px 8px}
.folder-tools select {flex:1;min-width:0;padding:8px;font-size:.84rem}
.folder-tools button {flex:0 0 auto;padding:8px;font-size:.85rem}
.conversation-options {flex:0 0 auto;min-width:36px;min-height:38px;padding:4px 8px;font-size:1.45rem;line-height:1;border-color:transparent}
.conversation-action-backdrop {position:fixed;inset:0;z-index:100;background:rgba(0,0,0,.65);display:flex;align-items:center;justify-content:center;padding:18px}
.conversation-action-sheet {width:min(410px,100%);max-height:calc(100dvh - 40px);overflow-y:auto;background:var(--panel);border:1px solid var(--border);border-radius:16px;padding:16px;display:grid;gap:9px;box-shadow:0 24px 75px var(--shadow)}
.conversation-action-sheet strong {overflow-wrap:anywhere;font-size:.9rem;padding:3px 5px 8px}
.conversation-action-sheet button {text-align:left;padding:12px 14px}
.clear-api-key {margin:3px 0 6px;font-size:.8rem}

/* v0.14: compact toolbar and status cues */
.composer-actions .composer-icon { width:44px;height:42px;min-width:42px;padding:5px;display:inline-flex;align-items:center;justify-content:center;font-size:1.25rem;line-height:1;transition:background .15s,border-color .15s; }
.composer-actions .composer-icon.active { color:#22c55e;background:rgba(34,197,94,.14);border-color:#22c55e;box-shadow:inset 0 0 0 1px rgba(34,197,94,.15); }
.composer-notice { width:min(900px,100%);margin:5px auto 0;text-align:center;font-size:.8rem;color:var(--muted); }
body[data-theme="amber"] select option {background:#352713;color:#fff8e9;}
body[data-theme="amber"] select option:checked {background:#d39b2f;color:#181007;}
body[data-theme="pinky"] { --bg:#fff5f9;--panel:#ffe2ed;--panel-2:#ffecf3;--input:#fffafd;--border:#edacc8;--text:#4b2440;--muted:#765368;--accent:#b83378;--accent-text:#ffffff;--shadow:rgba(105,31,73,.12);color-scheme:light;}
body[data-theme="sunflower"] { --bg:#e6f4f8;--panel:#fff2ba;--panel-2:#fff8d9;--input:#ffffed;--border:#9fbb92;--text:#51351e;--muted:#725c43;--accent:#edba2d;--accent-text:#39290d;--shadow:rgba(71,68,29,.12);color-scheme:light;}
body[data-theme="sunlit"] { --bg:#d5ebf4;--panel:#abd1e7;--panel-2:#e8f4f8;--input:#f3faff;--border:#5d94bb;--text:#193f60;--muted:#456a83;--accent:#245b85;--accent-text:#ffffff;--shadow:rgba(15,67,113,.12);color-scheme:light;}
body[data-theme="pinky"] select option,body[data-theme="sunflower"] select option,body[data-theme="sunlit"] select option {background:var(--input);color:var(--text);}
@media(min-width:801px) { .app-shell.sidebar-collapsed { grid-template-columns:0 minmax(0,1fr); } .app-shell.sidebar-collapsed .sidebar {overflow:hidden;visibility:hidden;} }
@media(max-width:520px) { .composer-actions {flex-wrap:nowrap;gap:5px;} .composer-actions .composer-icon {width:38px;min-width:38px;height:40px;padding:4px;font-size:1.1rem;} }

.composer-actions .composer-icon svg {width:22px;height:22px;fill:none;stroke:currentColor;stroke-width:1.75;stroke-linecap:round;stroke-linejoin:round;flex:none;}
@media(max-width:520px){.composer-actions .composer-icon svg{width:20px;height:20px;}}

body[data-theme="sunflower"] .chat-header {background:linear-gradient(95deg,#fff2ba 0%,#fff4ce 50%,#d5edf4 100%);}
body[data-theme="sunlit"] .chat-header {background:linear-gradient(95deg,#9dc4e0 0%,#d6edf4 65%,#fff0af 100%);}