:root {
  color-scheme: light dark;
  --fg: #1a1a1a;
  --muted: #666;
  --bg: #fff;
  --card-bg: #fafafa;
  --card-bg-selected: #fff;
  --border: #e5e5e5;
  --accent: #5b3a4a;
  --error: #c00;
}

@media (prefers-color-scheme: dark) {
  :root {
    --fg: #e5e5e5;
    --muted: #aaa;
    --bg: #111;
    --card-bg: #1a1a1a;
    --card-bg-selected: #2a1a22;
    --border: #2a2a2a;
    --accent: #c79bb1;
  }
}

* { box-sizing: border-box; }

body {
  font-family: system-ui, -apple-system, "Segoe UI", sans-serif;
  max-width: 1100px;
  margin: 2rem auto;
  padding: 0 1rem;
  line-height: 1.55;
  color: var(--fg);
  background: var(--bg);
}

h1 { margin-bottom: 0.25rem; }
h2 { margin-top: 2rem; color: var(--accent); }
h3 { margin: 1rem 0 0.4rem; color: var(--accent); }
.lede { color: var(--muted); margin-top: 0; }

label { display: block; margin: 1rem 0 0.25rem; font-size: 0.95rem; }
textarea, input[type="file"] {
  width: 100%;
  padding: 0.6rem;
  font: inherit;
  border: 1px solid var(--border);
  border-radius: 6px;
  background: var(--bg);
  color: var(--fg);
}
textarea { min-height: 110px; resize: vertical; }

button {
  padding: 0.6rem 1.2rem;
  font: inherit;
  cursor: pointer;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #fff;
  border-radius: 6px;
  margin-top: 0.75rem;
}
button:disabled { opacity: 0.5; cursor: default; }
button.secondary {
  background: transparent;
  color: var(--accent);
}

.actions-primary,
.actions-secondary {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1rem;
}
.actions-secondary button { margin-top: 0; }

.media-note {
  color: var(--muted);
  font-size: 0.88rem;
  font-style: italic;
  margin: 0.4rem 0 0;
}

#status {
  margin: 1rem 0;
  padding: 0.6rem 0.9rem;
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.95rem;
}

.platform { margin-bottom: 1.5rem; }

.variants-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0.6rem;
}

@media (max-width: 880px) {
  .variants-row { grid-template-columns: 1fr; }
}

.variant {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 0.75rem 0.9rem;
  display: flex;
  flex-direction: column;
  gap: 0.5rem;
  transition: border-color 0.15s, background 0.15s;
}
.variant.selected {
  border-color: var(--accent);
  border-width: 2px;
  background: var(--card-bg-selected);
}
.variant .caption {
  margin: 0;
  white-space: pre-wrap;
  font-size: 0.92rem;
  flex: 1;
}
.variant button.copy {
  align-self: flex-end;
  padding: 0.3rem 0.7rem;
  font-size: 0.85rem;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  margin-top: 0;
}

.radio-wrap {
  display: flex;
  align-items: center;
  gap: 0.4rem;
  font-size: 0.85rem;
  color: var(--muted);
}
.radio-wrap input[type="radio"] {
  margin: 0;
  accent-color: var(--accent);
}
.radio-label { cursor: pointer; user-select: none; }

#selected-panel {
  margin-top: 2rem;
  padding-top: 1.5rem;
  border-top: 2px solid var(--accent);
}
#selected-panel .platform { margin-bottom: 1rem; }
.selected-final {
  border-color: var(--accent);
  border-width: 2px;
}
.media-reminder {
  background: var(--card-bg);
  padding: 0.5rem 0.8rem;
  border: 1px solid var(--border);
  border-radius: 6px;
  font-size: 0.9rem;
  color: var(--muted);
}

.empty {
  color: var(--muted);
  font-style: italic;
}

.preview-badge {
  display: inline-block;
  background: var(--card-bg);
  color: var(--accent);
  border: 1px solid var(--accent);
  padding: 0.25rem 0.6rem;
  border-radius: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.05em;
  margin: 0.5rem 0 0.75rem;
  text-transform: uppercase;
}

.post-preview {
  border-bottom: 1px solid var(--border);
  padding-bottom: 1rem;
  margin-bottom: 1rem;
}
.post-preview:last-child { border-bottom: none; }

.target-line {
  margin: 0.5rem 0 0.25rem;
  font-size: 0.95rem;
}
.target-line a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px dotted var(--accent);
}
.target-line a:hover { border-bottom-style: solid; }

.status-line {
  margin: 0 0 0.6rem;
  padding: 0.4rem 0.7rem;
  border-radius: 4px;
  font-size: 0.85rem;
  background: var(--card-bg);
  border-left: 3px solid var(--muted);
  color: var(--muted);
}
.status-line.status-ready-pending-token {
  border-left-color: var(--accent);
  color: var(--fg);
}
.status-line.status-pending {
  border-left-color: var(--error);
  color: var(--fg);
}

.api-details {
  margin-top: 0.6rem;
  font-size: 0.85rem;
}
.api-details summary {
  cursor: pointer;
  color: var(--muted);
  font-style: italic;
  user-select: none;
}
.api-details[open] summary { color: var(--accent); }
.api-details pre {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem;
  margin: 0.5rem 0 0;
  white-space: pre-wrap;
  word-break: break-word;
  font-family: ui-monospace, "SF Mono", Consolas, monospace;
  font-size: 0.8rem;
  color: var(--fg);
}

.page-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 1rem;
}
.page-header h1 { margin-bottom: 0; }
.settings-btn {
  padding: 0.4rem 0.8rem;
  font-size: 0.9rem;
  background: transparent;
  color: var(--accent);
  border: 1px solid var(--accent);
  margin-top: 0;
}

.voice-picker {
  border: 1px solid var(--border);
  border-radius: 6px;
  padding: 0.75rem 1rem;
  margin: 1.25rem 0 1rem;
  background: var(--card-bg);
}
.voice-picker legend {
  padding: 0 0.4rem;
  font-size: 0.95rem;
}
.voice-picker label {
  display: block;
  margin: 0.4rem 0;
  cursor: pointer;
  font-weight: normal;
}
.voice-picker input[type="radio"] {
  margin-right: 0.4rem;
  accent-color: var(--accent);
}

dialog#settings-dialog {
  max-width: 720px;
  width: 90vw;
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 1.5rem 1.75rem;
  background: var(--bg);
  color: var(--fg);
}
dialog#settings-dialog::backdrop {
  background: rgba(0, 0, 0, 0.5);
}
dialog#settings-dialog h2 { margin-top: 0; }

.setting-group {
  margin: 1rem 0 1.25rem;
}
.setting-group label {
  margin: 0;
  font-size: 0.95rem;
}
.setting-help {
  font-size: 0.85rem;
  color: var(--muted);
  margin: 0.2rem 0 0.4rem;
  font-style: italic;
}
.setting-group textarea {
  font-size: 0.9rem;
  min-height: 70px;
}
.override-badge {
  display: inline-block;
  margin-top: 0.4rem;
  padding: 0.15rem 0.5rem;
  background: var(--accent);
  color: #fff;
  border-radius: 4px;
  font-size: 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.05em;
}

.settings-actions {
  display: flex;
  gap: 0.5rem;
  flex-wrap: wrap;
  margin-top: 1.25rem;
  border-top: 1px solid var(--border);
  padding-top: 1rem;
}
.settings-actions button { margin-top: 0; }