:root {
  --bg: #f6f7f9; --card: #fff; --text: #1a202c; --muted: #718096;
  --accent: #3d5afe; --accent-dark: #2a3eb1; --danger: #e53e3e;
  --ok: #2f855a; --ok-bg: #e6f4ea; --bad: #c53030; --bad-bg: #fdecea;
  --border: #e2e8f0;
}
* { box-sizing: border-box; }
body {
  margin: 0; background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
}
main { max-width: 1080px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 1.5rem; } h2 { font-size: 1.2rem; margin-top: 2rem; } h3 { font-size: 1rem; }
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex; justify-content: space-between; align-items: center;
  background: var(--card); border-bottom: 1px solid var(--border); padding: 10px 20px;
}
.topbar nav { display: flex; gap: 16px; align-items: center; }
.brand { font-weight: 700; color: var(--text); }

.btn {
  display: inline-block; background: var(--accent); color: #fff; border: none;
  padding: 8px 16px; border-radius: 6px; cursor: pointer; font-size: 0.95rem;
}
.btn:hover { background: var(--accent-dark); text-decoration: none; }
.btn:disabled { background: var(--muted); cursor: not-allowed; }
.btn-secondary { background: #edf2f7; color: var(--text); }
.btn-secondary:hover { background: var(--border); }
.btn-danger { background: var(--danger); }
.btn-small { padding: 4px 10px; font-size: 0.85rem; }
button.link {
  background: none; border: none; color: var(--accent); cursor: pointer;
  font-size: inherit; padding: 0;
}
button.link.danger, .danger { color: var(--danger); }
form.inline { display: inline; }

table { border-collapse: collapse; width: 100%; background: var(--card); border-radius: 8px; overflow: hidden; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--border); }
th { background: #edf2f7; font-weight: 600; font-size: 0.85rem; }
table.kv { max-width: 640px; }
table.kv th { width: 180px; background: none; }
.table-scroll { overflow-x: auto; }

.muted { color: var(--muted); } .tiny { font-size: 0.8rem; }
.error { color: var(--danger); }
.error-box {
  background: var(--bad-bg); border: 1px solid var(--danger); color: var(--bad);
  border-radius: 8px; padding: 10px 16px; margin: 12px 0;
}
.pill {
  display: inline-block; padding: 2px 10px; border-radius: 999px;
  background: #edf2f7; font-size: 0.8rem;
}
.pill.ok { background: var(--ok-bg); color: var(--ok); }
.pill.bad { background: var(--bad-bg); color: var(--bad); }
.status-strip { display: flex; gap: 8px; flex-wrap: wrap; margin-bottom: 8px; }

label { display: block; margin: 12px 0; font-weight: 500; }
input, textarea, select {
  display: block; width: 100%; margin-top: 4px; padding: 8px 10px;
  border: 1px solid var(--border); border-radius: 6px; font: inherit; background: #fff;
}
input[type="checkbox"] { display: inline; width: auto; }
input.num { display: inline-block; width: 70px; }
label.chk { display: inline-flex; gap: 6px; align-items: center; font-weight: 400; margin: 0; }
.form-actions { margin-top: 24px; display: flex; gap: 12px; }
.grow { flex: 1; }

.page-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; flex-wrap: wrap; }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 32px; }
@media (max-width: 800px) { .two-col { grid-template-columns: 1fr; } }

.q-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin-bottom: 12px; }
.q-head { display: flex; gap: 8px; align-items: center; margin-bottom: 8px; flex-wrap: wrap; }
.q-head select { width: auto; display: inline-block; margin: 0; }
.q-head input.q-id { width: 140px; margin: 0; }
.q-options { margin-top: 8px; padding-left: 8px; }
.q-option { display: flex; gap: 8px; margin-bottom: 6px; align-items: center; }
.q-option input { margin: 0; }
.q-list li { margin-bottom: 10px; }

/* Мастер аудитории: блоки условий + фильтры по атрибутам */
.fb-block { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 12px; margin-bottom: 12px; }
.fb-block-head { display: flex; gap: 10px; align-items: flex-start; }
.fb-block-head textarea { margin: 0; flex: 1; }
.fb-block-actions { display: flex; flex-direction: column; gap: 6px; white-space: nowrap; }
.fb-block-status { margin: 4px 0 8px; }
.filter-row { display: flex; gap: 8px; align-items: flex-start; margin-bottom: 8px; background: var(--bg); border: 1px solid var(--border); border-radius: 8px; padding: 8px; }
.fb-attr { width: 320px; flex-shrink: 0; }
.fb-attr .fb-search { margin: 0; }
.fb-list { margin-top: 4px; border: 1px solid var(--border); border-radius: 6px; background: #fff; max-height: 260px; overflow-y: auto; }
.fb-group-head { position: sticky; top: 0; background: #edf2f7; font-size: 0.72rem; font-weight: 600; padding: 3px 8px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.03em; }
.fb-item { padding: 4px 8px; cursor: pointer; font-size: 0.9rem; }
.fb-item:hover { background: #e8edff; }
.fb-note { padding: 6px 8px; }
.fb-chip { display: flex; flex-direction: column; gap: 2px; }
.fb-chip button { align-self: flex-start; }
.filter-values-wrap { flex: 1; min-width: 0; }
.fb-warn { color: var(--danger); margin-bottom: 4px; }
.filter-values { display: flex; flex-wrap: wrap; gap: 4px 12px; max-height: 120px; overflow-y: auto; }
.fb-examples { display: flex; flex-wrap: wrap; gap: 6px; align-items: center; margin: 8px 0 12px; }
.fb-example {
  background: #edf2f7; border: 1px solid var(--border); border-radius: 999px;
  padding: 3px 12px; font-size: 0.8rem; cursor: pointer; color: var(--text); text-align: left;
}
.fb-example:hover { background: #e8edff; border-color: var(--accent); }
@media (max-width: 800px) {
  .fb-block-head { flex-direction: column; }
  .filter-row { flex-wrap: wrap; }
  .fb-attr { width: 100%; }
}
.preview-block { margin-top: 16px; }
#preview-result { margin-top: 8px; }

.cost-box { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; margin-top: 16px; }
#cost-estimate { font-size: 1.3rem; }

.progress-bar { height: 12px; background: var(--border); border-radius: 999px; overflow: hidden; max-width: 480px; }
#progress-fill { height: 100%; background: var(--accent); transition: width 0.5s; }
#progress-text { margin-top: 6px; }

.summary-card { background: var(--card); border: 1px solid var(--border); border-radius: 8px; padding: 12px 16px; margin-bottom: 16px; }
.dist-row { display: grid; grid-template-columns: minmax(180px, 40%) 1fr 90px; gap: 10px; align-items: center; margin-bottom: 6px; }
.dist-label { white-space: nowrap; overflow: hidden; text-overflow: ellipsis; font-size: 0.9rem; }
.dist-bar { height: 14px; background: #edf2f7; border-radius: 4px; overflow: hidden; }
.dist-bar > div { height: 100%; background: var(--accent); }
.dist-count { font-size: 0.85rem; color: var(--muted); }
.likert-row { display: flex; gap: 16px; align-items: flex-end; }
.likert-cell { text-align: center; }
.likert-count { font-weight: 600; }
.likert-mean { margin-left: 16px; }
blockquote { border-left: 3px solid var(--border); margin: 8px 0; padding: 2px 12px; }

.context-pre { white-space: pre-wrap; background: var(--card); padding: 12px; border-radius: 8px; border: 1px solid var(--border); }

.login-page { display: flex; min-height: 100vh; align-items: center; justify-content: center; background: var(--bg); }
.login-card {
  background: var(--card); padding: 32px; border-radius: 12px; border: 1px solid var(--border);
  width: 320px; display: flex; flex-direction: column; gap: 12px;
}
.login-card h1 { margin: 0 0 8px; font-size: 1.3rem; text-align: center; }