:root {
  color-scheme: light;
  --bg: #f7f7f5;
  --fg: #1c1c1a;
  --muted: #6b6b66;
  --panel: #ffffff;
  --border: #dcdcd6;
  --accent: #8a3324;
  --accent-fg: #ffffff;
  --ambig: #ffe27a;
  --unknown: #ffb38a;
  --wrong: #ff9a9a;
  --radius: 10px;
  --mono: ui-monospace, SFMono-Regular, "SF Mono", Menlo, Consolas, monospace;
}

:root[data-theme="dark"] {
  color-scheme: dark;
  --bg: #16161a;
  --fg: #e8e8e4;
  --muted: #9a9a94;
  --panel: #1f1f24;
  --border: #33333a;
  --accent: #d08a6a;
  --accent-fg: #16161a;
  --ambig: #6b5b13;
  --unknown: #7a3f24;
  --wrong: #7a2626;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  background: var(--bg);
  color: var(--fg);
  font: 16px/1.55 system-ui, -apple-system, "Segoe UI", Roboto, "Noto Sans SC", sans-serif;
}

.site-header, main, .site-footer {
  max-width: 860px;
  margin: 0 auto;
  padding: 0 1rem;
}

.site-header { padding-top: 2rem; }
.header-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.site-header h1 { margin: 0; font-size: 1.6rem; }
.site-header h1 a { color: inherit; text-decoration: none; }
.tagline { color: var(--muted); margin-top: .25rem; }

.header-controls { display: flex; align-items: center; gap: .5rem; }

.seg {
  display: inline-flex;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: hidden;
}
.seg button {
  border: 0;
  border-radius: 0;
  padding: .35rem .7rem;
  background: transparent;
  color: var(--fg);
  font-size: .85rem;
}
.seg button + button { border-left: 1px solid var(--border); }
.seg button.active { background: var(--accent); color: var(--accent-fg); }

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

label { font-size: .95rem; }
textarea, select, button { font: inherit; }

textarea {
  width: 100%;
  margin-top: .4rem;
  padding: .7rem;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--bg);
  color: var(--fg);
  resize: vertical;
  font-family: var(--mono);
  font-size: .95rem;
}

.controls {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem 1.5rem;
  align-items: flex-end;
  margin-top: .8rem;
}

.control { display: flex; flex-direction: column; gap: .35rem; }
.control label { display: flex; align-items: center; gap: .4rem; }
.buttons { display: flex; gap: .5rem; margin-left: auto; }

button {
  padding: .55rem 1.1rem;
  border: 1px solid var(--accent);
  border-radius: var(--radius);
  background: var(--accent);
  color: var(--accent-fg);
  cursor: pointer;
}
button.secondary { background: transparent; color: var(--fg); border-color: var(--border); }
button:hover { filter: brightness(1.08); }
button:disabled { opacity: .55; cursor: progress; }

.message {
  margin-top: 1rem;
  padding: .8rem 1rem;
  border-radius: var(--radius);
  border: 1px solid var(--wrong);
  background: color-mix(in srgb, var(--wrong) 25%, transparent);
}

.output-header {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 1rem;
  flex-wrap: wrap;
}
.output-header h2 { margin: 0; font-size: 1.15rem; }
.output-actions { display: flex; align-items: center; gap: .5rem; flex-wrap: wrap; }
.stats { color: var(--muted); font-size: .85rem; }

.legend { font-size: .85rem; color: var(--muted); }
.token { padding: .05rem .3rem; border-radius: 4px; }
.token.auto { background: transparent; }
.token.ambig { background: var(--ambig); color: #1c1c1a; }
.token.unknown { background: var(--unknown); color: #1c1c1a; }

.result {
  margin-top: .5rem;
  padding: .9rem;
  border: 1px dashed var(--border);
  border-radius: var(--radius);
  white-space: pre-wrap;
  word-break: break-word;
  font-size: 1.15rem;
  min-height: 3rem;
}

.result .v { cursor: pointer; border-radius: 3px; }
.result .v:hover { background: color-mix(in srgb, var(--accent) 30%, transparent); }
.result .unknown .v { text-decoration: underline dotted; }

.scansion, .json {
  margin-top: .8rem;
  padding: .8rem;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  overflow: auto;
  font-family: var(--mono);
  font-size: .85rem;
}

.site-footer { padding: 2rem 1rem; color: var(--muted); font-size: .85rem; }
.site-footer a { color: inherit; }