:root {
  --bg: #f6f7fb;
  --panel: #ffffff;
  --panel2: #f1f3f9;
  --panel3: #e9ecf5;
  --text: #171a21;
  --muted: #6b7280;
  --muted-light: #9aa1ae;
  --accent: #3b5bdb;
  --accent-hover: #3049b8;
  --accent-soft: #eef1fd;
  --accent-contrast: #ffffff;
  --good: #15803d;
  --good-soft: #ecfdf3;
  --bad: #dc2626;
  --bad-soft: #fef2f2;
  --border: #e3e6ef;
  --border-strong: #d3d8e6;
  --radius: 10px;
  --radius-sm: 7px;
  --shadow-sm: 0 1px 2px rgba(23, 26, 33, 0.05);
  --shadow-md: 0 4px 16px rgba(23, 26, 33, 0.06);
  --space-1: 4px;
  --space-2: 8px;
  --space-3: 12px;
  --space-4: 16px;
  --space-5: 24px;
  --space-6: 32px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, "Segoe UI", Roboto, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 14px;
  line-height: 1.45;
  -webkit-font-smoothing: antialiased;
}

header {
  padding: 14px 28px;
  border-bottom: 1px solid var(--border);
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--panel);
}
header h1 {
  font-size: 16px;
  margin: 0;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}

main { display: flex; min-height: calc(100vh - 53px); align-items: stretch; }

/* ---------- Sidebar ---------- */

.sidebar {
  width: 280px;
  flex-shrink: 0;
  border-right: 1px solid var(--border);
  padding: 16px;
  overflow-y: auto;
  background: var(--panel);
  display: flex;
  flex-direction: column;
}
.sidebar-title {
  font-size: 11px;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--muted-light);
  margin: 4px 2px 10px;
}
.project-item {
  padding: 10px 12px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  margin-bottom: 3px;
  color: var(--text);
  border-left: 3px solid transparent;
  transition: background 0.12s ease;
}
.project-item:hover { background: var(--panel2); }
.project-item.active { background: var(--accent-soft); border-left-color: var(--accent); }
.project-item.active .project-item-name { color: var(--accent); font-weight: 700; }
.project-item-name { font-weight: 600; font-size: 13.5px; }
.project-item small { display: block; color: var(--muted); font-weight: 400; font-size: 12px; margin-top: 1px; }

/* ---------- Content ---------- */

.content { flex: 1; padding: 24px 32px; overflow-y: auto; min-width: 0; }

/* ---------- Form controls ---------- */

input, select, button, textarea {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border-strong);
  border-radius: var(--radius-sm);
  padding: 8px 11px;
  font-size: 13.5px;
  font-family: inherit;
}
input:focus, select:focus, textarea:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px var(--accent-soft);
}
input::placeholder, textarea::placeholder { color: var(--muted-light); }
label.field-label, label.muted {
  color: var(--muted);
  font-size: 12.5px;
  font-weight: 600;
}

/* ---------- Buttons ---------- */

button {
  cursor: pointer;
  background: var(--accent);
  border: 1px solid var(--accent);
  color: var(--accent-contrast);
  font-weight: 600;
  transition: background 0.12s ease, border-color 0.12s ease, color 0.12s ease;
}
button:hover { background: var(--accent-hover); border-color: var(--accent-hover); }
button.secondary {
  background: var(--panel);
  color: var(--text);
  border: 1px solid var(--border-strong);
}
button.secondary:hover { background: var(--panel2); border-color: var(--border-strong); }
button.ghost {
  background: transparent;
  color: var(--muted);
  border: 1px solid transparent;
  font-weight: 500;
}
button.ghost:hover { background: var(--panel2); color: var(--text); }
button.danger-ghost {
  background: transparent;
  color: var(--bad);
  border: 1px solid transparent;
  font-weight: 500;
}
button.danger-ghost:hover { background: var(--bad-soft); border-color: var(--bad-soft); }
button.icon-btn {
  padding: 7px 9px;
  line-height: 1;
}
button:disabled { opacity: .5; cursor: not-allowed; }
button.small { padding: 5px 9px; font-size: 12px; }

/* ---------- Layout helpers ---------- */

.row { display: flex; gap: 8px; margin-bottom: 10px; flex-wrap: wrap; }
.card { background: var(--panel); border: 1px solid var(--border); border-radius: var(--radius); padding: 18px; margin-bottom: 16px; box-shadow: var(--shadow-sm); }
.grid-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
@media (max-width: 860px) { .grid-2 { grid-template-columns: 1fr; } }
.field { display: flex; flex-direction: column; gap: 5px; margin-bottom: 4px; }
.field > label { color: var(--muted); font-size: 12.5px; font-weight: 600; }

/* ---------- Project header ---------- */

.project-header {
  display: flex;
  align-items: flex-start;
  justify-content: space-between;
  margin-bottom: 20px;
  gap: 16px;
}
.project-header h2 { margin: 0 0 3px 0; font-size: 21px; font-weight: 700; letter-spacing: -0.01em; }
.project-header .muted { font-size: 13px; }
.project-header-actions { display: flex; gap: 8px; align-items: center; flex-shrink: 0; }

/* ---------- Tabs ---------- */

.tabs {
  display: flex;
  gap: 4px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 20px;
}
.tab-btn {
  background: transparent;
  border: none;
  color: var(--muted);
  font-weight: 600;
  font-size: 13.5px;
  padding: 10px 4px;
  margin-right: 22px;
  border-radius: 0;
  border-bottom: 2px solid transparent;
  position: relative;
  top: 1px;
}
.tab-btn:hover { color: var(--text); background: transparent; border-color: var(--border-strong); }
.tab-btn.active { color: var(--accent); border-bottom-color: var(--accent); }
.tab-panel.hidden { display: none; }

/* ---------- Quick stats ---------- */

.stat-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 14px; margin-bottom: 20px; }
.stat-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  box-shadow: var(--shadow-sm);
}
.stat-card .stat-label { color: var(--muted); font-size: 12px; font-weight: 600; text-transform: uppercase; letter-spacing: 0.03em; }
.stat-card .stat-value { font-size: 24px; font-weight: 700; margin-top: 4px; letter-spacing: -0.01em; }
.stat-card .stat-hint { color: var(--muted-light); font-size: 11.5px; margin-top: 2px; }

/* ---------- Section headers (Settings tab) ---------- */

.section-title { font-size: 14.5px; font-weight: 700; margin: 0 0 3px 0; display: flex; align-items: center; gap: 6px; }
.section-desc { color: var(--muted); font-size: 12.5px; margin: 0 0 14px 0; max-width: 720px; }
.settings-section { padding-bottom: 22px; margin-bottom: 22px; border-bottom: 1px solid var(--border); }
.settings-section:last-child { border-bottom: none; margin-bottom: 0; padding-bottom: 0; }

/* ---------- Badges ---------- */

.badge {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11.5px;
  font-weight: 600;
  background: var(--panel3);
  color: var(--muted);
}
.badge-warn { background: #fdf3d9; color: #7a5b00; }

/* ---------- Table ---------- */

table { width: 100%; border-collapse: collapse; font-size: 13.5px; }
th, td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); white-space: nowrap; }
th { color: var(--muted); font-weight: 600; font-size: 12px; text-transform: uppercase; letter-spacing: 0.02em; background: var(--panel); position: sticky; top: 0; z-index: 1; }
tbody tr:hover td { background: var(--panel2); }
td:first-child, th:first-child { white-space: normal; min-width: 220px; }
.pos-good { color: var(--good); font-weight: 700; }
.pos-bad { color: var(--bad); }
.pos-none { color: var(--muted-light); }
.muted { color: var(--muted); font-size: 13px; }
a { color: var(--accent); text-decoration: none; }

.toolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; flex-wrap: wrap; gap: 10px; }
#chartWrap { max-width: 900px; }
.empty { color: var(--muted); padding: 60px 20px; text-align: center; font-size: 14px; }
.table-scroll { overflow-x: auto; border-radius: var(--radius-sm); }

/* ---------- Таблица фраз: режим "оба поисковика сразу" ---------- */

.pos-nodata { color: var(--muted-light); text-align: center; background: var(--panel2); }
.engine-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 20px;
  height: 20px;
  border-radius: 5px;
  font-size: 11px;
  font-weight: 700;
  color: #fff;
}
.engine-badge-yandex { background: #fc3f1d; }
.engine-badge-google { background: #4285f4; }
tr.both-engine-row-second td { border-bottom: 2px solid var(--border-strong); }

/* ---------- Регионы и проверка (по строкам, сгруппировано по системе) ---------- */

.engine-region-group {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 14px 16px;
  margin-bottom: 14px;
  background: var(--panel);
}
.engine-region-group:last-child { margin-bottom: 0; }
.engine-region-header {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 10px;
}
.engine-region-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  font-size: 12.5px;
  font-weight: 700;
  color: #fff;
  flex-shrink: 0;
}
.engine-region-icon-yandex { background: #fc3f1d; }
.engine-region-icon-google { background: #4285f4; }
.engine-region-title { font-weight: 700; font-size: 14.5px; }
.engine-toggle {
  margin-left: auto;
  display: flex;
  align-items: center;
  gap: 6px;
  font-size: 12.5px;
  font-weight: 600;
  color: var(--muted);
  cursor: pointer;
}
.engine-toggle input { cursor: pointer; }

.region-rows { display: flex; flex-direction: column; gap: 4px; margin-bottom: 8px; }
.region-row {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 7px 10px;
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  background: var(--panel2);
  font-size: 13px;
  transition: opacity 0.12s ease;
}
.region-row.region-row-disabled { opacity: 0.5; }
.region-row-check { cursor: pointer; flex-shrink: 0; }
.region-row-flag { font-size: 15px; line-height: 1; flex-shrink: 0; }
.region-row-name { flex: 1; font-weight: 600; }
.region-row-name .region-row-sub { font-weight: 400; color: var(--muted); margin-left: 6px; font-size: 12px; }
.region-row-del { padding: 2px 8px; font-size: 12px; line-height: 1.4; flex-shrink: 0; }
.region-rows-empty { color: var(--muted-light); font-size: 12.5px; padding: 4px 2px; }
.region-add-row { margin-bottom: 0 !important; }