:root {
  --bg: #0a0a0b;
  --bg-elevated: #111113;
  --bg-panel: #141416;
  --bg-hover: #1a1a1e;
  --border: rgba(212, 175, 106, 0.14);
  --border-strong: rgba(212, 175, 106, 0.32);
  --brass: #c9a227;
  --brass-soft: #d4af6a;
  --brass-dim: #8a7340;
  --text: #f2efe8;
  --text-muted: #9a958c;
  --text-faint: #6a6660;
  --user-bubble: #1c1a16;
  --assistant-bubble: #121214;
  --danger: #c45c5c;
  --radius: 12px;
  --font-display: "Cormorant Garamond", Georgia, serif;
  --font-body: "Inter", system-ui, -apple-system, sans-serif;
  --sidebar-w: 280px;
  --shadow: 0 0 0 1px var(--border), 0 20px 50px rgba(0, 0, 0, 0.45);
}

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

html,
body {
  height: 100%;
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-body);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
}

.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  border: 0;
}

.app {
  display: flex;
  height: 100%;
  min-height: 100dvh;
  background:
    radial-gradient(ellipse 80% 50% at 20% -10%, rgba(201, 162, 39, 0.06), transparent 50%),
    radial-gradient(ellipse 60% 40% at 100% 100%, rgba(201, 162, 39, 0.04), transparent 45%),
    var(--bg);
}

/* —— Sidebar —— */
.sidebar {
  width: var(--sidebar-w);
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  gap: 1rem;
  padding: 1.25rem 1rem;
  background: var(--bg-panel);
  border-right: 1px solid var(--border);
}

.brand {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.25rem 0.35rem;
}

.brand-mark {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background:
    linear-gradient(145deg, var(--brass-soft), var(--brass-dim));
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.25), 0 4px 12px rgba(201, 162, 39, 0.2);
}

.brand-title {
  margin: 0;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 1.35rem;
  letter-spacing: 0.02em;
  color: var(--text);
}

.brand-sub {
  margin: 0;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--brass-soft);
}

.btn {
  font-family: inherit;
  font-size: 0.875rem;
  font-weight: 500;
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  background: transparent;
  color: var(--text);
  cursor: pointer;
  transition: background 0.15s, border-color 0.15s, color 0.15s;
}

.btn:hover:not(:disabled) {
  background: var(--bg-hover);
  border-color: var(--brass);
}

.btn:disabled {
  opacity: 0.4;
  cursor: not-allowed;
}

.btn-new {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
  width: 100%;
  padding: 0.7rem 1rem;
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.12), rgba(201, 162, 39, 0.04));
  color: var(--brass-soft);
}

.btn-icon {
  font-size: 1.1rem;
  line-height: 1;
}

.conv-list {
  flex: 1;
  overflow-y: auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
  margin: 0 -0.25rem;
  padding: 0 0.25rem;
}

.conv-item {
  display: flex;
  align-items: center;
  gap: 0.35rem;
  width: 100%;
  text-align: left;
  padding: 0.65rem 0.75rem;
  border: 1px solid transparent;
  border-radius: 8px;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
  transition: background 0.12s, color 0.12s, border-color 0.12s;
}

.conv-item:hover {
  background: var(--bg-hover);
  color: var(--text);
}

.conv-item.active {
  background: var(--bg-elevated);
  border-color: var(--border);
  color: var(--text);
}

.conv-item-title {
  flex: 1;
  overflow: hidden;
  text-overflow: ellipsis;
  white-space: nowrap;
}

.conv-item-del {
  flex-shrink: 0;
  opacity: 0;
  border: none;
  background: transparent;
  color: var(--text-faint);
  cursor: pointer;
  padding: 0.15rem 0.35rem;
  font-size: 0.9rem;
  border-radius: 4px;
}

.conv-item:hover .conv-item-del,
.conv-item.active .conv-item-del {
  opacity: 1;
}

.conv-item-del:hover {
  color: var(--danger);
  background: rgba(196, 92, 92, 0.12);
}

.sidebar-foot {
  padding-top: 0.75rem;
  border-top: 1px solid var(--border);
  font-size: 0.7rem;
  color: var(--text-faint);
}

.sidebar-foot p {
  margin: 0.15rem 0;
}

.sidebar-foot .muted {
  color: var(--brass-dim);
}

/* —— Main —— */
.main {
  flex: 1;
  min-width: 0;
  display: flex;
  flex-direction: column;
}

.topbar {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  border-bottom: 1px solid var(--border);
  background: rgba(10, 10, 11, 0.85);
  backdrop-filter: blur(12px);
}

.btn-icon-only {
  display: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  border-radius: 8px;
  width: 36px;
  height: 36px;
  cursor: pointer;
  font-size: 1rem;
}

.model-select {
  appearance: none;
  background: var(--bg-elevated)
    url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%23d4af6a'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E")
    right 0.75rem center no-repeat;
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: 8px;
  padding: 0.45rem 2rem 0.45rem 0.85rem;
  font-family: inherit;
  font-size: 0.82rem;
  cursor: pointer;
}

.model-select:focus {
  outline: none;
  border-color: var(--brass);
  box-shadow: 0 0 0 2px rgba(201, 162, 39, 0.2);
}

.model-select option,
.model-select optgroup {
  background: #1a1a1e;
  color: var(--text);
}

.preview-badge {
  display: none;
  margin-left: auto;
  font-size: 0.65rem;
  text-transform: uppercase;
  letter-spacing: 0.12em;
  color: var(--brass-dim);
  border: 1px solid var(--border);
  padding: 0.3rem 0.65rem;
  border-radius: 999px;
}

/* —— Thread —— */
.thread {
  flex: 1;
  overflow-y: auto;
  padding: 1.5rem 1.25rem 1rem;
  display: flex;
  flex-direction: column;
  gap: 1rem;
}

.empty-state {
  margin: auto;
  text-align: center;
  max-width: 440px;
  padding: 2rem 1rem;
}

.empty-kicker {
  margin: 0 0 0.5rem;
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  color: var(--brass-soft);
}

.empty-state h2 {
  margin: 0 0 0.5rem;
  font-family: var(--font-display);
  font-weight: 500;
  font-size: 2rem;
  color: var(--text);
}

.empty-state p {
  margin: 0 0 0.75rem;
  color: var(--text-muted);
  font-size: 0.9rem;
}

.empty-local-note {
  margin-top: 0.5rem !important;
  font-size: 0.78rem !important;
  line-height: 1.45;
  color: var(--text-faint) !important;
}

.empty-state code {
  font-size: 0.85em;
  padding: 0.1em 0.35em;
  border-radius: 4px;
  background: var(--bg-hover);
  color: var(--brass-soft);
}

.msg {
  max-width: 720px;
  width: 100%;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 0.35rem;
}

.msg-meta {
  font-size: 0.7rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
  color: var(--text-faint);
  padding: 0 0.35rem;
}

.msg.user .msg-meta {
  text-align: right;
  color: var(--brass-dim);
}

.msg-bubble {
  padding: 0.9rem 1.1rem;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 0.92rem;
  line-height: 1.6;
}

.msg.user .msg-bubble {
  background: var(--user-bubble);
  border-color: var(--border-strong);
  align-self: flex-end;
  max-width: 92%;
}

.msg.assistant .msg-bubble {
  background: var(--assistant-bubble);
  align-self: flex-start;
  max-width: 100%;
}

.msg.assistant .msg-bubble.streaming::after {
  content: "▍";
  color: var(--brass);
  animation: blink 1s step-end infinite;
  margin-left: 2px;
}

.msg.error .msg-bubble {
  border-color: rgba(196, 92, 92, 0.4);
  color: #e8b4b4;
}

@keyframes blink {
  50% {
    opacity: 0;
  }
}

/* —— Composer —— */
.composer {
  padding: 0.75rem 1.25rem 1.25rem;
  border-top: 1px solid transparent;
}

.composer-inner {
  max-width: 720px;
  margin: 0 auto;
  display: flex;
  gap: 0.65rem;
  align-items: flex-end;
  padding: 0.65rem 0.75rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 14px;
  box-shadow: var(--shadow);
}

.composer-inner:focus-within {
  border-color: var(--brass);
  box-shadow: 0 0 0 1px rgba(201, 162, 39, 0.25), 0 20px 50px rgba(0, 0, 0, 0.45);
}

#input {
  flex: 1;
  resize: none;
  border: none;
  background: transparent;
  color: var(--text);
  font-family: inherit;
  font-size: 0.92rem;
  line-height: 1.45;
  padding: 0.45rem 0.35rem;
  max-height: 160px;
  outline: none;
}

#input::placeholder {
  color: var(--text-faint);
}

.btn-send {
  flex-shrink: 0;
  padding: 0.55rem 1.15rem;
  background: linear-gradient(180deg, var(--brass-soft), var(--brass));
  color: #1a1508;
  border: none;
  font-weight: 600;
  letter-spacing: 0.02em;
}

.btn-send:hover:not(:disabled) {
  background: linear-gradient(180deg, #e0c06e, var(--brass-soft));
  border: none;
}

.composer-hint {
  max-width: 720px;
  margin: 0.5rem auto 0;
  font-size: 0.7rem;
  color: var(--text-faint);
  text-align: center;
}

.composer-hint.error {
  color: var(--danger);
}

/* —— Responsive —— */
@media (max-width: 768px) {
  .sidebar {
    position: fixed;
    inset: 0 auto 0 0;
    z-index: 40;
    transform: translateX(-100%);
    transition: transform 0.2s ease;
    box-shadow: var(--shadow);
  }

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

  .btn-icon-only {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
}


/* —— Task mode pills (Build | Research | Hard) —— */
.model-picker-wrap {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  flex-wrap: wrap;
}

.task-mode {
  display: inline-flex;
  align-items: stretch;
  padding: 2px;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  gap: 2px;
}

.task-mode-pill {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.72rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  line-height: 1.2;
  white-space: nowrap;
  transition: background 0.15s, color 0.15s, box-shadow 0.15s;
}

.task-mode-pill:hover {
  color: var(--text);
  background: rgba(212, 175, 106, 0.08);
}

.task-mode-pill.active {
  color: var(--bg);
  background: linear-gradient(145deg, var(--brass-soft), var(--brass));
  box-shadow: 0 1px 4px rgba(201, 162, 39, 0.35);
}

.task-mode-pill:focus-visible {
  outline: none;
  box-shadow: 0 0 0 2px rgba(201, 162, 39, 0.4);
}

.task-mode-pill.active:focus-visible {
  box-shadow: 0 0 0 2px rgba(201, 162, 39, 0.45), 0 1px 4px rgba(201, 162, 39, 0.35);
}

@media (max-width: 640px) {
  .task-mode-pill {
    font-size: 0.68rem;
    padding: 0.3rem 0.55rem;
  }
}

.msg.context .msg-bubble {
  background: transparent;
  border: 1px dashed var(--border);
  color: var(--text-faint);
  font-size: 0.78rem;
  font-style: italic;
}

.msg.context .msg-meta {
  color: var(--brass-dim);
}

/* —— Web search: sources list, notices, Hard toggle —— */
.msg-notice {
  margin: 0.15rem 0.35rem 0;
  font-size: 0.72rem;
  color: var(--text-muted);
  font-style: italic;
}

.msg-sources {
  align-self: stretch;
  margin-top: 0.2rem;
  padding: 0.65rem 0.9rem 0.7rem;
  border: 1px solid var(--border);
  border-left: 2px solid var(--brass-dim);
  border-radius: 10px;
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.045), rgba(201, 162, 39, 0.01));
}

.msg-sources-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 0.75rem;
  margin-bottom: 0.4rem;
}

.msg-sources-title {
  font-family: var(--font-display);
  font-size: 0.95rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  color: var(--brass-soft);
}

.msg-sources-cost {
  font-size: 0.66rem;
  color: var(--text-faint);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.msg-sources-list {
  list-style: none;
  margin: 0;
  padding: 0;
  display: flex;
  flex-direction: column;
  gap: 0.3rem;
}

.msg-sources-list li {
  display: flex;
  align-items: baseline;
  gap: 0.55rem;
  min-width: 0;
  font-size: 0.8rem;
  line-height: 1.4;
}

.src-num {
  flex-shrink: 0;
  min-width: 1.35rem;
  height: 1.35rem;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  color: var(--brass);
  font-size: 0.66rem;
  font-weight: 600;
}

.msg-sources-list a {
  min-width: 0;
  display: inline-flex;
  gap: 0.35rem;
  align-items: baseline;
  color: var(--text);
  text-decoration: none;
  overflow: hidden;
}

.msg-sources-list a:hover .src-host,
.msg-sources-list a:focus-visible .src-host {
  color: var(--brass-soft);
  text-decoration: underline;
  text-underline-offset: 3px;
}

.msg-sources-list a:focus-visible {
  outline: 1px solid var(--brass);
  outline-offset: 2px;
  border-radius: 4px;
}

.src-host {
  flex-shrink: 0;
  font-weight: 500;
  color: var(--text);
}

.src-path {
  color: var(--text-faint);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  min-width: 0;
}

.mode-note {
  max-width: 720px;
  margin: 0.45rem auto 0;
  font-size: 0.7rem;
  color: var(--brass-dim);
  text-align: center;
}

.mode-note.warn {
  color: var(--text-muted);
}

.web-toggle {
  appearance: none;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  font-family: inherit;
  font-size: 0.7rem;
  font-weight: 600;
  padding: 0.35rem 0.7rem;
  border-radius: 999px;
  cursor: pointer;
  line-height: 1.2;
  white-space: nowrap;
}

.web-toggle:hover {
  color: var(--text);
  border-color: var(--border-strong);
}

.web-toggle.on {
  color: var(--brass-soft);
  border-color: var(--brass-dim);
  background: rgba(201, 162, 39, 0.08);
}

.web-toggle[hidden] {
  display: none;
}

/* —— PWA install chip —— */
.install-chip {
  position: fixed;
  z-index: 80;
  left: 50%;
  bottom: max(1rem, env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.55rem;
  max-width: min(92vw, 420px);
  padding: 0.55rem 0.65rem 0.55rem 0.9rem;
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  box-shadow: var(--shadow);
  font-size: 0.82rem;
  color: var(--text-muted);
}

.install-chip[hidden] {
  display: none !important;
}

.install-chip-text {
  flex: 1;
  min-width: 0;
  line-height: 1.3;
  color: var(--text);
}

.install-chip-action {
  flex-shrink: 0;
  border: none;
  cursor: pointer;
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  padding: 0.35rem 0.75rem;
  border-radius: 999px;
  background: linear-gradient(145deg, var(--brass-soft), var(--brass));
  color: #1a1508;
}

.install-chip-action:hover {
  background: linear-gradient(145deg, #e0c06e, var(--brass-soft));
}

.install-chip-action[hidden] {
  display: none !important;
}

.install-chip-dismiss {
  flex-shrink: 0;
  width: 1.75rem;
  height: 1.75rem;
  border: none;
  border-radius: 50%;
  background: transparent;
  color: var(--text-faint);
  font-size: 1.1rem;
  line-height: 1;
  cursor: pointer;
}

.install-chip-dismiss:hover {
  color: var(--text);
  background: var(--bg-hover);
}

/* —— Sidebar actions (clear chats / forget access code) —— */
.sidebar-actions {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
  margin-bottom: 0.6rem;
}
.btn-small {
  width: 100%;
  font-size: 0.72rem;
  padding: 0.4rem 0.6rem;
}

/* ════════════════ v5 — easier UI, voice, Teach, cost ════════════════ */

/* Topbar: grid so desktop is one row and mobile stacks neatly. */
.topbar {
  display: grid;
  grid-template-columns: auto auto 1fr auto;
  grid-template-areas:
    "menu title controls actions"
    "explain explain explain explain";
  align-items: center;
  column-gap: 0.75rem;
  row-gap: 0.35rem;
  padding: 0.7rem 1.25rem 0.55rem;
  padding-top: max(0.7rem, env(safe-area-inset-top, 0px));
}
.topbar > .btn-icon-only { grid-area: menu; }
.topbar-title {
  grid-area: title;
  display: none;
  font-family: var(--font-display);
  font-size: 1.2rem;
  font-weight: 500;
  letter-spacing: 0.03em;
  color: var(--brass-soft);
}
.topbar > .model-picker-wrap { grid-area: controls; gap: 0.5rem; }
.topbar-actions {
  grid-area: actions;
  display: flex;
  align-items: center;
  gap: 0.4rem;
  justify-self: end;
}
.mode-explain {
  grid-area: explain;
  margin: 0;
  font-size: 0.74rem;
  color: var(--text-muted);
  letter-spacing: 0.01em;
  min-height: 1.1em;
}

.icon-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  padding: 0;
  border-radius: 999px;
  border: 1px solid var(--border);
  background: var(--bg-elevated);
  color: var(--text-muted);
  cursor: pointer;
  transition: color 0.15s, border-color 0.15s, background 0.15s, box-shadow 0.15s;
}
.icon-btn:hover { color: var(--text); border-color: var(--border-strong); }
.icon-btn:focus-visible { outline: none; box-shadow: 0 0 0 2px rgba(201, 162, 39, 0.45); }
.icon-btn[hidden] { display: none; }
.icon-btn .ico { width: 18px; height: 18px; }
.icon-btn.on {
  color: #1a1508;
  border-color: transparent;
  background: linear-gradient(145deg, var(--brass-soft), var(--brass));
  box-shadow: 0 1px 6px rgba(201, 162, 39, 0.35);
}
#btn-speaker .ico-spk-on { display: none; }
#btn-speaker.on .ico-spk-on { display: block; }
#btn-speaker.on .ico-spk-off { display: none; }

.pill-btn {
  appearance: none;
  height: 36px;
  padding: 0 0.95rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.14), rgba(201, 162, 39, 0.04));
  color: var(--brass-soft);
  font-family: var(--font-body);
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.04em;
  cursor: pointer;
}
.pill-btn:hover { border-color: var(--brass); color: var(--text); }
.pill-btn:focus-visible { outline: none; box-shadow: 0 0 0 2px rgba(201, 162, 39, 0.45); }

.task-mode-pill { font-size: 0.78rem; padding: 0.42rem 0.9rem; }

@media (max-width: 768px) {
  .topbar {
    grid-template-columns: auto 1fr auto;
    grid-template-areas:
      "menu title actions"
      "controls controls controls"
      "explain explain explain";
    padding: 0.6rem 0.8rem 0.5rem;
    padding-top: max(0.6rem, env(safe-area-inset-top, 0px));
  }
  .topbar-title { display: block; }
  .topbar > .model-picker-wrap { flex-wrap: nowrap; overflow-x: auto; scrollbar-width: none; }
  .topbar > .model-picker-wrap::-webkit-scrollbar { display: none; }
  .model-select { font-size: 0.78rem; padding: 0.42rem 1.8rem 0.42rem 0.7rem; flex-shrink: 0; }
  .task-mode { flex-shrink: 0; }
  .task-mode-pill { font-size: 0.8rem; padding: 0.45rem 0.85rem; }
  .thread { padding: 1rem 0.8rem 0.75rem; }
  .composer { padding: 0.5rem 0.7rem max(0.8rem, env(safe-area-inset-bottom, 0px)); }
}

/* Composer: mic + stop */
.mic-btn { width: 38px; height: 38px; flex-shrink: 0; align-self: flex-end; }
.mic-btn.on { animation: micpulse 1.2s ease-in-out infinite; }
@keyframes micpulse {
  0%, 100% { box-shadow: 0 0 0 0 rgba(201, 162, 39, 0.45); }
  50% { box-shadow: 0 0 0 6px rgba(201, 162, 39, 0); }
}
.btn-send.stop {
  background: transparent;
  color: var(--brass-soft);
  border: 1px solid var(--brass-dim);
}
.btn-send.stop:hover:not(:disabled) { background: var(--bg-hover); border: 1px solid var(--brass); }

/* Reply action row */
.msg-actions {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 0.35rem;
  padding: 0.1rem 0.2rem 0;
}
.act-btn {
  appearance: none;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.72rem;
  font-weight: 500;
  padding: 0.28rem 0.65rem;
  border-radius: 999px;
  cursor: pointer;
  line-height: 1.2;
  transition: color 0.15s, border-color 0.15s, background 0.15s;
}
.act-btn:hover { color: var(--text); border-color: var(--border-strong); }
.act-btn:focus-visible { outline: none; box-shadow: 0 0 0 2px rgba(201, 162, 39, 0.4); }
.act-btn.playing { color: var(--brass-soft); border-color: var(--brass-dim); background: rgba(201, 162, 39, 0.08); }
.act-btn.done { color: var(--brass-soft); border-color: var(--brass-dim); cursor: default; }
.act-btn.act-cont {
  color: #1a1508;
  border-color: transparent;
  background: linear-gradient(145deg, var(--brass-soft), var(--brass));
  font-weight: 600;
}
.act-meta { margin-left: auto; font-size: 0.68rem; color: var(--text-faint); letter-spacing: 0.02em; }

/* Scrim + side panel */
.scrim {
  position: fixed;
  inset: 0;
  z-index: 60;
  background: rgba(0, 0, 0, 0.55);
  backdrop-filter: blur(2px);
}
.scrim[hidden], .panel[hidden], .tour[hidden], .toast[hidden] { display: none !important; }
.panel {
  position: fixed;
  z-index: 70;
  top: 0;
  right: 0;
  bottom: 0;
  width: min(420px, 100vw);
  display: flex;
  flex-direction: column;
  background: var(--bg-panel);
  border-left: 1px solid var(--border-strong);
  box-shadow: -20px 0 50px rgba(0, 0, 0, 0.5);
  transform: translateX(12px);
  opacity: 0;
  transition: transform 0.18s ease, opacity 0.18s ease;
  padding-top: env(safe-area-inset-top, 0px);
}
.panel.open { transform: none; opacity: 1; }
.panel-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0.85rem 1rem 0.6rem;
  border-bottom: 1px solid var(--border);
}
.panel-tabs { display: inline-flex; gap: 2px; padding: 2px; border-radius: 999px; border: 1px solid var(--border); background: var(--bg-elevated); }
.panel-tab {
  appearance: none;
  border: none;
  background: transparent;
  color: var(--text-muted);
  font-family: var(--font-body);
  font-size: 0.8rem;
  font-weight: 600;
  padding: 0.4rem 1rem;
  border-radius: 999px;
  cursor: pointer;
}
.panel-tab.active { color: #1a1508; background: linear-gradient(145deg, var(--brass-soft), var(--brass)); }
.panel-close {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: transparent;
  color: var(--text-muted);
  font-size: 1.2rem;
  cursor: pointer;
}
.panel-close:hover { color: var(--text); border-color: var(--border-strong); }
.panel-body {
  flex: 1;
  overflow-y: auto;
  padding: 0.6rem 1rem calc(1.5rem + env(safe-area-inset-bottom, 0px));
}
.panel-body[hidden] { display: none; }
.panel-h {
  margin: 1.1rem 0 0.55rem;
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 500;
  letter-spacing: 0.02em;
  color: var(--text);
}
.panel-fine { margin: 0.5rem 0 0; font-size: 0.72rem; line-height: 1.45; color: var(--text-faint); }
.panel-actions { display: flex; flex-wrap: wrap; gap: 0.45rem; margin-top: 0.8rem; }
.panel-actions .btn-small { width: auto; }

/* Skill bars */
.skills { display: flex; flex-direction: column; gap: 0.75rem; }
.skill-top { display: flex; justify-content: space-between; align-items: baseline; gap: 0.5rem; margin-bottom: 0.3rem; }
.skill-name { font-size: 0.85rem; font-weight: 600; color: var(--text); }
.skill-count { font-size: 0.7rem; color: var(--text-muted); }
.skill-bar {
  height: 7px;
  border-radius: 999px;
  background: var(--bg-hover);
  border: 1px solid var(--border);
  overflow: hidden;
}
.skill-fill {
  height: 100%;
  width: 0;
  border-radius: 999px;
  background: linear-gradient(90deg, var(--brass-dim), var(--brass-soft));
  box-shadow: 0 0 8px rgba(201, 162, 39, 0.35);
  transition: width 0.4s ease;
}
.skill-sub { margin-top: 0.25rem; font-size: 0.68rem; color: var(--text-faint); }

/* Forms */
.teach-form { display: flex; flex-direction: column; gap: 0.5rem; }
.teach-row { display: flex; gap: 0.5rem; align-items: center; }
.teach-row .field { flex: 1; min-width: 0; }
.field {
  font-family: var(--font-body);
  font-size: 0.85rem;
  color: var(--text);
  background: var(--bg-elevated);
  border: 1px solid var(--border-strong);
  border-radius: 10px;
  padding: 0.55rem 0.7rem;
  width: 100%;
}
select.field { appearance: none; padding-right: 1.6rem; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' fill='%23d4af6a'%3E%3Cpath d='M1 1l5 5 5-5'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 0.6rem center; }
textarea.field { resize: vertical; line-height: 1.45; }
.field:focus { outline: none; border-color: var(--brass); box-shadow: 0 0 0 2px rgba(201, 162, 39, 0.2); }
.field[hidden] { display: none; }
.field-sm { width: auto; font-size: 0.75rem; padding: 0.35rem 1.6rem 0.35rem 0.55rem; }
.field-xs { width: auto; font-size: 0.68rem; padding: 0.2rem 1.4rem 0.2rem 0.45rem; border-radius: 999px; background-position: right 0.45rem center; }
.check { display: flex; gap: 0.5rem; align-items: flex-start; font-size: 0.76rem; color: var(--text-muted); line-height: 1.4; }
.check input { accent-color: var(--brass); margin-top: 0.15rem; }
.btn-brass {
  padding: 0.6rem 1rem;
  border: none;
  background: linear-gradient(180deg, var(--brass-soft), var(--brass));
  color: #1a1508;
  font-weight: 600;
}
.btn-brass:hover:not(:disabled) { background: linear-gradient(180deg, #e0c06e, var(--brass-soft)); border: none; }
.btn-inline { width: auto; flex-shrink: 0; padding: 0.5rem 0.9rem; }

/* Lessons list */
.lessons-head { display: flex; align-items: center; justify-content: space-between; gap: 0.5rem; }
.lessons { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 0.5rem; }
.lesson {
  padding: 0.55rem 0.7rem 0.6rem;
  border: 1px solid var(--border);
  border-left: 2px solid var(--brass-dim);
  border-radius: 10px;
  background: var(--bg-elevated);
}
.lesson-head { display: flex; align-items: center; gap: 0.45rem; margin-bottom: 0.25rem; }
.lesson-kind { font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.1em; color: var(--brass-soft); margin-right: auto; }
.lesson-del { border: none; background: transparent; color: var(--text-faint); font-size: 1rem; cursor: pointer; padding: 0 0.25rem; }
.lesson-del:hover { color: var(--danger); }
.lesson-q { margin: 0 0 0.2rem; font-size: 0.74rem; color: var(--text-muted); font-style: italic; }
.lesson-text { margin: 0; font-size: 0.8rem; color: var(--text); line-height: 1.45; white-space: pre-wrap; word-break: break-word; }
.lesson-used { margin: 0.25rem 0 0; font-size: 0.66rem; color: var(--text-faint); }
.lesson-empty { font-size: 0.78rem; color: var(--text-faint); padding: 0.4rem 0; }

/* Cost card */
.cost-card {
  padding: 0.9rem 1rem;
  border: 1px solid var(--border-strong);
  border-radius: 12px;
  background: linear-gradient(180deg, rgba(201, 162, 39, 0.07), rgba(201, 162, 39, 0.015));
}
.cost-big { font-family: var(--font-display); font-size: 2.1rem; line-height: 1.1; color: var(--brass-soft); }
.cost-sub { font-size: 0.74rem; color: var(--text-muted); margin-bottom: 0.6rem; }
.cost-grid { display: grid; grid-template-columns: 1fr auto; gap: 0.3rem 0.8rem; margin: 0; font-size: 0.76rem; }
.cost-grid dt { color: var(--text-muted); }
.cost-grid dd { margin: 0; color: var(--text); text-align: right; font-variant-numeric: tabular-nums; }
#cost-reset { width: auto; margin-top: 0.6rem; }

/* Tour */
.tour {
  position: fixed;
  inset: 0;
  z-index: 90;
  display: flex;
  align-items: flex-end;
  justify-content: center;
  padding: 1rem 1rem max(1.2rem, env(safe-area-inset-bottom, 0px));
  background: rgba(0, 0, 0, 0.45);
  pointer-events: auto;
}
.tour-card {
  width: min(440px, 100%);
  padding: 1.1rem 1.2rem 1rem;
  border-radius: 16px;
  border: 1px solid var(--border-strong);
  background: linear-gradient(180deg, #17150f, var(--bg-panel));
  box-shadow: 0 30px 60px rgba(0, 0, 0, 0.6), 0 0 0 1px rgba(201, 162, 39, 0.08);
}
.tour-step { margin: 0 0 0.3rem; font-size: 0.66rem; text-transform: uppercase; letter-spacing: 0.14em; color: var(--brass-soft); }
.tour-title { margin: 0 0 0.35rem; font-family: var(--font-display); font-weight: 500; font-size: 1.45rem; color: var(--text); }
.tour-text { margin: 0 0 0.9rem; font-size: 0.86rem; line-height: 1.55; color: var(--text-muted); }
.tour-actions { display: flex; justify-content: flex-end; gap: 0.5rem; }
.tour-target {
  position: relative;
  z-index: 95;
  box-shadow: 0 0 0 2px var(--brass), 0 0 0 7px rgba(201, 162, 39, 0.22), 0 0 24px rgba(201, 162, 39, 0.35) !important;
  border-radius: 999px;
}

/* Toast */
.toast {
  position: fixed;
  z-index: 100;
  left: 50%;
  bottom: calc(6.5rem + env(safe-area-inset-bottom, 0px));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 0.6rem;
  max-width: min(92vw, 420px);
  padding: 0.55rem 0.9rem;
  border-radius: 999px;
  border: 1px solid var(--border-strong);
  background: var(--bg-elevated);
  box-shadow: var(--shadow);
  font-size: 0.8rem;
  color: var(--text);
}
.toast-action {
  border: none;
  border-radius: 999px;
  padding: 0.3rem 0.7rem;
  background: linear-gradient(145deg, var(--brass-soft), var(--brass));
  color: #1a1508;
  font-weight: 600;
  font-size: 0.75rem;
  cursor: pointer;
}
.toast-action[hidden] { display: none; }

.empty-state strong { color: var(--brass-soft); font-weight: 600; }

@media (prefers-reduced-motion: reduce) {
  .panel, .skill-fill { transition: none; }
  .mic-btn.on, .msg.assistant .msg-bubble.streaming::after { animation: none; }
}

/* v7: phones — let the engine picker drop to its own line (e.g. Hard + Web toggle) instead of clipping */
@media (max-width: 440px) {
  .topbar > .model-picker-wrap { flex-wrap: wrap; overflow-x: visible; row-gap: 0.45rem; }
}