:root {
  --bg: #f7f7f8;
  --panel: #ffffff;
  --border: #e2e2e6;
  --text: #17171a;
  --muted: #6b6b74;
  --accent: #7c5cff;
  --accent-text: #ffffff;
  --danger: #c22;
  --danger-bg: #fdeceb;
  --ok-bg: #eef8ee;
  --shadow: 0 1px 2px rgba(20, 20, 30, .04), 0 4px 16px rgba(20, 20, 30, .05);
  --shadow-sm: 0 1px 2px rgba(20, 20, 30, .05);
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #131316;
    --panel: #1c1c21;
    --border: #2c2c33;
    --text: #ececf0;
    --muted: #9a9aa5;
    --accent: #9b82ff;
    --accent-text: #131316;
    --danger: #ff6b6b;
    --danger-bg: #3a1f1f;
    --ok-bg: #1c2e1c;
    --shadow: 0 1px 2px rgba(0, 0, 0, .2), 0 4px 20px rgba(0, 0, 0, .28);
    --shadow-sm: 0 1px 2px rgba(0, 0, 0, .25);
  }
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  font-size: 14px; line-height: 1.55; -webkit-font-smoothing: antialiased;
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); background: var(--danger-bg); padding: 8px 10px; border-radius: 6px; line-height: 1.4; }
code { background: var(--border); padding: 1px 5px; border-radius: 4px; }

/* единое кольцо фокуса для клавиатурной навигации вместо разномастного дефолта браузера */
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 2px; }

/* --- gate --- */
.gate { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 20px; }
.gate-card { background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 28px; width: 100%; max-width: 380px; display: flex; flex-direction: column; gap: 12px; box-shadow: var(--shadow); }
.gate-card h1 { margin: 0 0 4px; font-size: 20px; }

/* --- layout --- */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 220px; flex-shrink: 0; background: var(--panel); border-right: 1px solid var(--border);
  display: flex; flex-direction: column; padding: 16px 0;
}
.brand { font-weight: 700; padding: 0 16px 12px; border-bottom: 1px solid var(--border); margin-bottom: 8px; }
.skill-nav { flex: 1; overflow-y: auto; }
.skill-group + .skill-group { margin-top: 6px; }
.skill-group-label {
  padding: 12px 16px 4px; font-size: 10px; text-transform: uppercase; letter-spacing: .06em;
  color: var(--muted); font-weight: 700;
}
.skill-nav-item {
  display: block; width: 100%; text-align: left; padding: 10px 16px; border: none; background: none;
  color: var(--text); cursor: pointer; font-size: 13px; border-left: 3px solid transparent;
}
.skill-nav-item:hover { background: var(--bg); }
.skill-nav-item.active { border-left-color: var(--accent); background: var(--bg); font-weight: 600; }
.sidebar-footer { padding: 10px 16px 0; border-top: 1px solid var(--border); margin-top: 8px; display: flex; align-items: center; justify-content: space-between; }
.link-btn { background: none; border: none; color: var(--muted); cursor: pointer; text-decoration: underline; font-size: 12px; padding: 0; }

.main { flex: 1; padding: 24px 32px; max-width: 1200px; }
.main-header h1 { margin: 0 0 4px; font-size: 22px; }
.main-header p { margin: 0 0 20px; }

.panels { display: grid; grid-template-columns: 1fr 1fr 220px; gap: 20px; align-items: start; }
@media (max-width: 1000px) { .panels { grid-template-columns: 1fr; } }

.form-panel, .result-panel, .history-panel {
  background: var(--panel); border: 1px solid var(--border); border-radius: 12px; padding: 18px;
  box-shadow: var(--shadow);
}

label { display: block; font-size: 12px; color: var(--muted); margin: 14px 0 5px; }
label:first-child { margin-top: 0; }
input[type=text], input[type=url], input[type=password], textarea, select {
  width: 100%; padding: 9px 11px; border: 1px solid var(--border); border-radius: 7px;
  background: var(--bg); color: var(--text); font: inherit; resize: vertical;
  transition: border-color .15s ease, box-shadow .15s ease;
}
input[type=text]:hover, input[type=url]:hover, input[type=password]:hover, textarea:hover, select:hover {
  border-color: color-mix(in srgb, var(--border) 40%, var(--muted));
}
input[type=text]:focus, input[type=url]:focus, input[type=password]:focus, textarea:focus, select:focus {
  border-color: var(--accent); box-shadow: 0 0 0 3px color-mix(in srgb, var(--accent) 18%, transparent);
}
textarea { min-height: 80px; line-height: 1.5; }
.field-help { font-size: 11px; color: var(--muted); margin-top: 4px; line-height: 1.4; }
.form-actions { margin-top: 18px; display: flex; align-items: center; gap: 10px; }

button {
  padding: 8px 16px; border-radius: 7px; border: 1px solid var(--accent); background: var(--accent);
  color: var(--accent-text); font: inherit; font-weight: 600; cursor: pointer;
  transition: filter .12s ease, transform .05s ease, box-shadow .12s ease;
}
button:hover:not(:disabled) { filter: brightness(1.08); box-shadow: var(--shadow-sm); }
button:active:not(:disabled) { filter: brightness(.96); transform: translateY(1px); }
button.secondary { background: transparent; color: var(--text); border-color: var(--border); font-weight: 500; }
button.secondary:hover:not(:disabled) { background: var(--bg); filter: none; }
button:disabled { opacity: .5; cursor: default; }

.spinner {
  width: 16px; height: 16px; border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; display: inline-block; animation: spin .7s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }

#draft-text { min-height: 220px; font-size: 14px; }
.draft-meta { display: flex; align-items: center; gap: 10px; margin-top: 8px; flex-wrap: wrap; }
.badge { font-size: 11px; color: var(--muted); background: var(--bg); border: 1px solid var(--border); padding: 3px 8px; border-radius: 999px; }
.warnings { background: var(--danger-bg); color: var(--danger); border-radius: 6px; padding: 8px 10px; margin-top: 10px; font-size: 13px; line-height: 1.5; }
.notes { margin-top: 10px; font-size: 13px; color: var(--muted); }
.notes.prominent { font-size: 14px; color: var(--text); margin-top: 0; }

/* Абзацы длинного текста от LLM (notes, meta-plain) — реальный разрыв между
   абзацами (двойной \n от модели), а не сплошной пре-врап-блок. white-space:
   pre-line внутри абзаца ещё сохраняет одиночные переносы (нумерованные
   пункты и т.п.), просто схлопывает повторные пробелы. */
.para { margin: 0 0 10px; white-space: pre-line; }
.para:last-child { margin-bottom: 0; }
.no-draft-notice { font-size: 12px; color: var(--muted); background: var(--bg); border: 1px dashed var(--border); border-radius: 6px; padding: 8px 10px; margin-bottom: 10px; }
#meta-raw-details { margin-top: 10px; font-size: 12px; }
#meta-raw-pre { white-space: pre-wrap; word-break: break-word; background: var(--bg); padding: 8px; border-radius: 6px; max-height: 300px; overflow: auto; }

/* --- структурный рендер meta (см. renderStructuredMeta в app.js) --- */
.meta-content { margin-top: 12px; display: flex; flex-direction: column; gap: 14px; }
.meta-content:empty { display: none; margin: 0; }
.meta-facts { display: flex; flex-wrap: wrap; gap: 8px; }
.meta-fact {
  font-size: 12px; background: var(--bg); border: 1px solid var(--border);
  border-radius: 999px; padding: 4px 11px;
}
.meta-fact b { color: var(--muted); font-weight: 600; }
.meta-section-label { font-size: 11px; text-transform: uppercase; letter-spacing: .04em; color: var(--muted); margin-bottom: 6px; }
.meta-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 6px; }
.meta-list.bullets { list-style: disc; padding-left: 18px; }
.meta-list.bullets li { font-size: 13px; }
.meta-plain { font-size: 13px; }

.status-row { display: flex; align-items: center; gap: 8px; font-size: 13px; padding: 4px 0; border-bottom: 1px solid var(--border); }
.status-row:last-child { border-bottom: none; }
.status-row .status-part { flex: 1; }
.status-row .status-reason { color: var(--muted); font-size: 12px; }
.status-badge { font-size: 11px; padding: 2px 8px; border-radius: 999px; font-weight: 600; white-space: nowrap; }
.status-badge.status-ok, .status-badge.status-pass, .status-badge.status-good { background: var(--ok-bg); color: #2a7a2a; }
.status-badge.status-fail, .status-badge.status-bad { background: var(--danger-bg); color: var(--danger); }
.status-badge.status-warn, .status-badge.status-needs-work, .status-badge.status-medium { background: #fff6dc; color: #916b00; }
@media (prefers-color-scheme: dark) {
  .status-badge.status-warn, .status-badge.status-needs-work, .status-badge.status-medium { background: #453a1c; color: #e0b84a; }
  .status-badge.status-ok, .status-badge.status-pass, .status-badge.status-good { background: #1c2e1c; color: #7bc47f; }
}

.rewrite-card { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; }
.rewrite-card .rewrite-field { font-size: 12px; color: var(--muted); margin-bottom: 6px; font-weight: 600; }
.rewrite-before, .rewrite-after { font-size: 13px; padding: 4px 0; }
.rewrite-before { color: var(--muted); text-decoration: line-through; }
.rewrite-after { color: var(--text); font-weight: 500; }
.rewrite-arrow { color: var(--muted); font-size: 11px; margin: 2px 0; }

.meta-card { border: 1px solid var(--border); border-radius: 8px; padding: 10px 12px; display: flex; flex-direction: column; gap: 6px; }
.meta-card-row { font-size: 13px; display: flex; gap: 6px; flex-wrap: wrap; }
.meta-card-row .k { color: var(--muted); flex-shrink: 0; }
.meta-card-row span:not(.k) { min-width: 0; overflow-wrap: break-word; }
.publish-result { margin-top: 10px; background: var(--ok-bg); padding: 8px 10px; border-radius: 6px; white-space: pre-wrap; font-size: 13px; }

.thread-part { border: 1px dashed var(--border); border-radius: 6px; padding: 8px; margin-bottom: 6px; font-size: 13px; }
.thread-part-label { color: var(--muted); font-size: 11px; margin-bottom: 4px; }

.history-panel h2 { font-size: 13px; margin: 0 0 10px; color: var(--muted); text-transform: uppercase; letter-spacing: .04em; }
.history-list { display: flex; flex-direction: column; gap: 6px; max-height: 70vh; overflow-y: auto; }
.history-item { border: 1px solid var(--border); border-radius: 7px; padding: 7px 9px; font-size: 12px; cursor: pointer; transition: background .12s ease, border-color .12s ease; }
.history-item:hover { background: var(--bg); border-color: color-mix(in srgb, var(--border) 50%, var(--muted)); }
.history-item .h-time { color: var(--muted); }
.history-item .h-preview { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

/* --- мобильная адаптация: сайдбар сверху горизонтальной лентой --- */
@media (max-width: 720px) {
  .app { flex-direction: column; }
  .sidebar { width: 100%; flex-direction: row; flex-wrap: wrap; align-items: center; padding: 10px 12px; border-right: none; border-bottom: 1px solid var(--border); gap: 6px 10px; }
  .brand { padding: 0 10px 0 0; border-bottom: none; margin-bottom: 0; white-space: nowrap; }
  .skill-nav { flex: 1; display: flex; overflow-x: auto; padding-bottom: 2px; }
  .skill-nav-item { white-space: nowrap; border-left: none; border-bottom: 3px solid transparent; }
  .skill-nav-item.active { border-left-color: transparent; border-bottom-color: var(--accent); }
  .sidebar-footer { flex: 1 0 100%; border-top: 1px solid var(--border); padding: 8px 0 0; margin-top: 2px; }
  .main { padding: 16px; }
}