/* Dark is the only theme, chip colors and selection contrast were tuned
   against it specifically and don't hold up against a light background. */
:root {
  --bg: #17151a;
  --card: #221f26;
  --text: #f2eee8;
  --muted: #a6a0ac;
  --border: #3a3540;
  --accent: #ff7285;
  --accent-soft: #3a1f27;
  --tone-chip: #23233f;
  --tone-chip-text: #b8bcf5;
  --persona-chip: #3a2a10;
  --persona-chip-text: #ffcf8a;
  --radius: 14px;
  color-scheme: dark;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  max-width: 640px;
  margin: 0 auto;
  padding: 24px 16px 64px;
}

.app-header h1 {
  margin: 0 0 2px;
  font-size: 1.6rem;
}

.tagline {
  margin: 0 0 20px;
  color: var(--muted);
  font-size: 0.95rem;
}

.header-row {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  gap: 12px;
}

.header-actions {
  display: flex;
  gap: 8px;
  flex-shrink: 0;
}

.settings-btn {
  border: 1px solid var(--border);
  background: var(--card);
  color: var(--text);
  border-radius: 999px;
  padding: 8px 14px;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
}

.pin-hint {
  margin: 10px 2px 0;
  color: var(--muted);
  font-size: 0.8rem;
}

.link-btn {
  border: none;
  background: none;
  color: var(--accent);
  font-size: inherit;
  padding: 0;
  cursor: pointer;
  text-decoration: underline;
}

.hidden { display: none !important; }

.settings-panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
  margin-top: 16px;
}

.settings-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.settings-header h2 { margin: 0; font-size: 1.2rem; }

.settings-hint {
  color: var(--muted);
  font-size: 0.85rem;
  margin: 8px 0 16px;
}

.settings-group-label {
  font-size: 0.9rem;
  margin: 18px 0 8px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
}

#guide-panel p,
#guide-panel li {
  font-size: 0.9rem;
  line-height: 1.55;
  color: var(--text);
  margin: 0 0 8px;
}

#guide-panel ol {
  margin: 0 0 8px;
  padding-left: 20px;
}

#guide-panel pre {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 0.8rem;
  line-height: 1.5;
  white-space: pre-wrap;
  overflow-x: auto;
  margin: 0 0 10px;
  font-family: inherit;
}

.settings-chip-list {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.settings-chip-row {
  display: flex;
  align-items: center;
  gap: 6px;
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 6px 14px;
  font-size: 0.85rem;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
  cursor: pointer;
}

.settings-chip-row .pin-star {
  font-size: 1rem;
  color: var(--muted);
}

.settings-chip-row.pinned .pin-star {
  color: var(--accent);
}

.settings-chip-row.pinned {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.custom-chip-form {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-top: 8px;
}

.custom-chip-form input[type="text"],
.custom-chip-form textarea {
  width: 100%;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 8px 10px;
  font-size: 0.95rem;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
}

.form-row {
  display: flex;
  gap: 8px;
}

.form-row input[type="text"]:first-child {
  flex: 0 0 64px;
  text-align: center;
}

.kind-row {
  flex-direction: column;
  gap: 4px;
  font-size: 0.85rem;
  color: var(--muted);
}

.input-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 16px;
}

textarea {
  width: 100%;
  resize: vertical;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px 12px;
  font-size: 1rem;
  font-family: inherit;
  background: var(--bg);
  color: var(--text);
}

.row {
  display: flex;
  gap: 8px;
  margin-top: 12px;
  flex-wrap: wrap;
}

.controls-row {
  justify-content: space-between;
}

.channel-picker, .mode-switch {
  display: flex;
  gap: 4px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 3px;
}

.channel-btn, .mode-btn {
  border: none;
  background: transparent;
  color: var(--muted);
  padding: 6px 12px;
  border-radius: 999px;
  font-size: 0.85rem;
  cursor: pointer;
  white-space: nowrap;
}

.channel-btn.active, .mode-btn.active {
  background: var(--accent);
  color: white;
}

.mode-hint {
  margin: 10px 2px 4px;
  color: var(--muted);
  font-size: 0.82rem;
}

.chip-grid {
  display: flex;
  flex-direction: column;
  gap: 4px;
  margin-top: 8px;
}

.chip-group-label {
  font-size: 0.78rem;
  margin: 10px 0 2px;
  color: var(--muted);
  text-transform: uppercase;
  letter-spacing: 0.03em;
  font-weight: 600;
}

.chip-group-label:first-child {
  margin-top: 0;
}

.chip-group-row {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.chip {
  border: 1px solid var(--border);
  background: var(--tone-chip);
  color: var(--tone-chip-text);
  border-radius: 999px;
  padding: 7px 14px;
  font-size: 0.88rem;
  cursor: pointer;
  user-select: none;
  transition: transform 0.08s ease;
}

.chip.kind-persona {
  background: var(--persona-chip);
  color: var(--persona-chip-text);
}

.chip.selected {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}

.chip:active { transform: scale(0.96); }

.get-replies-btn {
  width: 100%;
  margin-top: 16px;
  padding: 12px;
  border: none;
  border-radius: 10px;
  background: var(--accent);
  color: white;
  font-size: 1rem;
  font-weight: 600;
  cursor: pointer;
}

.get-replies-btn:disabled {
  opacity: 0.5;
  cursor: not-allowed;
}

.results {
  margin-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.reply-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
}

.reply-card-header {
  font-size: 0.85rem;
  color: var(--muted);
  margin-bottom: 6px;
  display: flex;
  align-items: center;
  gap: 6px;
  flex-wrap: wrap;
}

.reply-card-text {
  font-size: 1rem;
  line-height: 1.4;
  white-space: pre-wrap;
}

.reply-card-actions {
  display: flex;
  gap: 8px;
  margin-top: 10px;
}

.card-btn {
  border: 1px solid var(--border);
  background: var(--bg);
  color: var(--text);
  border-radius: 8px;
  padding: 6px 10px;
  font-size: 0.82rem;
  cursor: pointer;
}

.card-btn:disabled { opacity: 0.5; cursor: wait; }

.reply-card.loading .reply-card-text {
  color: var(--muted);
  font-style: italic;
}

.status {
  color: var(--muted);
  font-size: 0.9rem;
  padding: 8px 2px;
}

.status.error {
  color: var(--accent);
}