:root {
  --bg: #0e1016;
  --panel: #161923;
  --panel-2: #1d2130;
  --line: #272c3b;
  --text: #e7e9f0;
  --muted: #8b93a7;
  --accent: #7c5cff;
  --accent-2: #35e0c8;
  --warn: #ffb454;
  --radius: 12px;
}

* { box-sizing: border-box; }

html, body {
  margin: 0;
  padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.6 ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}

/* ── Header ─────────────────────────────────────────────────── */
.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  padding: 22px 28px;
  border-bottom: 1px solid var(--line);
  background: linear-gradient(180deg, #14161f, #0e1016);
}
.brand { display: flex; align-items: center; gap: 16px; }
.mark { width: 40px; height: 40px; color: var(--accent); flex: none; }
.top h1 { margin: 0; font-size: 19px; letter-spacing: -0.2px; }
.sub { margin: 2px 0 0; color: var(--muted); font-size: 13px; }
.badges { display: flex; gap: 8px; flex-wrap: wrap; }
.badge {
  font-size: 12px;
  padding: 4px 10px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-2);
  color: var(--muted);
}

/* ── Layout ─────────────────────────────────────────────────── */
main {
  max-width: 1080px;
  margin: 0 auto;
  padding: 26px 20px 60px;
  display: grid;
  gap: 20px;
}
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 20px;
}
.panel-head {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  margin-bottom: 14px;
}
.panel h2 { margin: 0 0 12px; font-size: 16px; }
.panel-head h2 { margin: 0; }
h3 { font-size: 14px; margin: 20px 0 8px; color: var(--accent-2); }
.row { display: flex; gap: 18px; flex-wrap: wrap; }
.field { display: flex; flex-direction: column; gap: 6px; flex: 1 1 240px; min-width: 0; }
.field > span { font-size: 13px; color: var(--muted); }
.field em { font-style: normal; opacity: .6; font-size: 12px; }
.hint { color: var(--muted); font-size: 12px; }

select, input, button {
  font: inherit;
  color: var(--text);
  background: var(--panel-2);
  border: 1px solid var(--line);
  border-radius: 9px;
  padding: 9px 11px;
}
select[multiple] { padding: 6px; }
option { padding: 4px 6px; border-radius: 6px; }
input:focus, select:focus, button:focus-visible {
  outline: 2px solid var(--accent);
  outline-offset: 1px;
}
.actions { flex-direction: row; align-items: flex-end; gap: 10px; flex-wrap: wrap; }
.actions > span { display: none; }

button { cursor: pointer; transition: filter .15s, background .15s; }
button:hover { filter: brightness(1.15); }
button.primary {
  background: var(--accent);
  border-color: var(--accent);
  color: #fff;
  font-weight: 600;
}
button.ghost { background: transparent; }
button:disabled { opacity: .5; cursor: default; }

/* ── Output ─────────────────────────────────────────────────── */
.status { color: var(--muted); font-size: 12px; font-variant-numeric: tabular-nums; }
.lyrics {
  margin: 0;
  padding: 18px;
  background: #0b0d13;
  border: 1px solid var(--line);
  border-radius: 10px;
  min-height: 260px;
  white-space: pre-wrap;
  font-family: ui-serif, Georgia, "Times New Roman", serif;
  font-size: 16px;
  line-height: 1.85;
}

/* ── Analysis ───────────────────────────────────────────────── */
.analysis { display: grid; gap: 14px; }
.stanza { border-left: 2px solid var(--line); padding-left: 14px; }
.stanza-head {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 6px;
  font-size: 13px;
}
.scheme {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  color: var(--accent-2);
  letter-spacing: 2px;
}
.tag {
  font-size: 11px;
  padding: 1px 7px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  color: var(--muted);
}
.line-row {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  padding: 2px 0;
}
.line-meta {
  color: var(--muted);
  font-size: 12px;
  white-space: nowrap;
  font-variant-numeric: tabular-nums;
}

/* ── Engine badge + warnings ────────────────────────────────── */
.engine-badge {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
  margin-bottom: 12px;
  font-size: 12.5px;
}
.engine-pill {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 4px 11px;
  border-radius: 999px;
  border: 1px solid var(--line);
  background: var(--panel-2);
}
.engine-pill.ai { border-color: var(--accent); color: #cbbcff; }
.engine-pill.rules { border-color: var(--accent-2); color: #9df0e2; }
.engine-pill .dot {
  width: 7px; height: 7px; border-radius: 50%;
  background: currentColor;
}
.verify-pill { color: var(--muted); }
.verify-pill.ok { color: #7ee0a8; border-color: #2c5a3e; }
.verify-pill.warn { color: var(--warn); border-color: #5a462c; }
.engine-note { color: var(--muted); }

.warnings {
  margin-top: 12px;
  padding: 12px 14px;
  border-radius: 10px;
  border: 1px solid #5a462c;
  background: #1e1a12;
  font-size: 13px;
}
.warnings h4 {
  margin: 0 0 8px;
  font-size: 12.5px;
  color: var(--warn);
  text-transform: uppercase;
  letter-spacing: .4px;
}
.warnings ul { margin: 0; padding-left: 18px; }
.warnings li { margin: 4px 0; color: #e6dcc8; }

/* ── Rhyme explorer ─────────────────────────────────────────── */
.word-out, .family-out { margin-top: 14px; }
.word-card {
  display: flex;
  align-items: center;
  gap: 18px;
  flex-wrap: wrap;
  padding: 12px 14px;
  background: var(--panel-2);
  border-radius: 10px;
}
.word-main { font-size: 20px; font-weight: 600; }
.word-facts { display: flex; gap: 16px; flex-wrap: wrap; color: var(--muted); font-size: 13px; }
code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  background: #0b0d13;
  padding: 1px 6px;
  border-radius: 5px;
  color: var(--accent-2);
}
.chips { display: flex; flex-wrap: wrap; gap: 7px; margin-top: 12px; }
.chip {
  display: inline-flex;
  align-items: baseline;
  gap: 5px;
  padding: 4px 9px;
  border-radius: 999px;
  background: var(--panel-2);
  border: 1px solid var(--line);
  font-size: 13px;
}
.chip em {
  font-style: normal;
  font-size: 11px;
  color: var(--muted);
  font-variant-numeric: tabular-nums;
}

/* ── Docs ───────────────────────────────────────────────────── */
.docs { color: #cfd3e0; }
.docs p, .docs li { font-size: 14px; }
.docs ol, .docs ul { padding-left: 20px; }
.docs li { margin: 5px 0; }
.docs strong { color: var(--text); }

.engine-table {
  width: 100%;
  border-collapse: collapse;
  margin: 10px 0 16px;
  font-size: 13.5px;
}
.engine-table th, .engine-table td {
  text-align: left;
  padding: 7px 10px;
  border-bottom: 1px solid var(--line);
  vertical-align: top;
}
.engine-table th {
  color: var(--muted);
  font-weight: 600;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: .3px;
}
.engine-table td:first-child { color: var(--muted); white-space: nowrap; }

/* ── Token prompt ───────────────────────────────────────────── */
.token-prompt {
  width: 100%;
  padding: 16px 18px;
  border-radius: 10px;
  border: 1px solid var(--accent);
  background: #1a1730;
}
.token-prompt strong { font-size: 14px; }
.token-prompt .hint { margin: 6px 0 10px; }
.token-row { display: flex; gap: 8px; }
.token-row input { flex: 1 1 auto; min-width: 0; }
#tokenErr { margin: 8px 0 0; min-height: 16px; color: var(--warn); }

footer {
  max-width: 1080px;
  margin: 0 auto;
  padding: 0 20px 50px;
  color: var(--muted);
  font-size: 12.5px;
}

@media (max-width: 620px) {
  .top { padding: 18px; }
  main { padding: 18px 14px 40px; }
  .line-row { flex-direction: column; gap: 0; }
}