:root {
  --bg: #0f1420;
  --panel: #171e2e;
  --panel-2: #1e2740;
  --border: #2a3452;
  --text: #e7ecf7;
  --text-dim: #9aa7c2;
  --accent: #6c8cff;
  --accent-2: #9b6cff;
  --ok: #3ecf8e;
  --warn: #f5a623;
  --bad: #ff6b6b;
  --radius: 12px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: radial-gradient(1200px 600px at 10% -10%, #202b47 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}

header.top {
  padding: 24px 28px 12px;
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 8px;
}

header.top h1 {
  font-size: 1.4rem;
  margin: 0;
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  -webkit-background-clip: text;
  background-clip: text;
  color: transparent;
}

header.top .subtitle {
  color: var(--text-dim);
  font-size: 0.85rem;
}

.layout {
  display: grid;
  grid-template-columns: minmax(320px, 460px) 1fr;
  gap: 20px;
  padding: 12px 28px 40px;
  align-items: start;
}

@media (max-width: 920px) {
  .layout { grid-template-columns: 1fr; }
}

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}

.panel h2 {
  font-size: 1rem;
  margin: 0 0 12px;
  color: var(--text);
  display: flex;
  align-items: center;
  gap: 8px;
}

label {
  display: block;
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 4px;
}

textarea, input[type="text"], input[type="number"], input[type="password"], select {
  width: 100%;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  padding: 8px 10px;
  font-size: 0.88rem;
  font-family: inherit;
}

textarea:focus, input:focus, select:focus {
  outline: none;
  border-color: var(--accent);
}

textarea#article {
  min-height: 160px;
  resize: vertical;
}

.field { margin-bottom: 14px; }
.row { display: flex; gap: 10px; }
.row > * { flex: 1; }

.persona-list { display: flex; flex-direction: column; gap: 10px; margin-bottom: 10px; }

.persona-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 10px;
  position: relative;
}

.persona-card .grid {
  display: grid;
  grid-template-columns: 1.4fr 0.8fr 0.7fr 0.7fr;
  gap: 8px;
}

.persona-card .remove-btn {
  position: absolute;
  top: 6px;
  right: 6px;
  background: transparent;
  border: none;
  color: var(--text-dim);
  cursor: pointer;
  font-size: 0.95rem;
  line-height: 1;
}
.persona-card .remove-btn:hover { color: var(--bad); }

.hint {
  font-size: 0.78rem;
  color: var(--text-dim);
  margin-bottom: 10px;
  line-height: 1.4;
}

.percent-total {
  font-size: 0.8rem;
  padding: 6px 10px;
  border-radius: 8px;
  display: inline-block;
  margin-bottom: 10px;
}
.percent-total.ok { color: var(--ok); background: rgba(62,207,142,0.12); }
.percent-total.bad { color: var(--warn); background: rgba(245,166,35,0.12); }

button {
  cursor: pointer;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: var(--panel-2);
  color: var(--text);
  padding: 8px 14px;
  font-size: 0.85rem;
  transition: background 0.15s, transform 0.05s;
}
button:hover { background: #26314f; }
button:active { transform: translateY(1px); }

button.primary {
  background: linear-gradient(90deg, var(--accent), var(--accent-2));
  border: none;
  color: white;
  font-weight: 600;
}
button.primary:hover { filter: brightness(1.08); }
button.primary:disabled { opacity: 0.6; cursor: not-allowed; }

button.ghost { background: transparent; }
button.small { padding: 4px 10px; font-size: 0.78rem; }

.add-persona-btn { width: 100%; border-style: dashed; }

.engine-params {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 8px;
  margin-top: 8px;
}

.actions { display: flex; gap: 10px; margin-top: 6px; }

#status-msg {
  margin-top: 10px;
  font-size: 0.82rem;
  color: var(--text-dim);
  min-height: 1.2em;
}
#status-msg.error { color: var(--bad); }

.results-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
  margin-bottom: 14px;
}

.results-meta { font-size: 0.82rem; color: var(--text-dim); }
.results-meta b { color: var(--text); }

.export-btns { display: flex; gap: 8px; }

.warnings {
  background: rgba(245,166,35,0.12);
  border: 1px solid rgba(245,166,35,0.35);
  color: var(--warn);
  border-radius: 8px;
  padding: 8px 12px;
  font-size: 0.8rem;
  margin-bottom: 14px;
}

.qa-card {
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 10px;
  padding: 14px;
  margin-bottom: 14px;
}

.qa-card h3 {
  margin: 0 0 10px;
  font-size: 0.95rem;
}

.segment {
  border-left: 3px solid var(--accent);
  padding: 6px 0 6px 12px;
  margin-bottom: 8px;
}

.segment .seg-head {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 4px;
  flex-wrap: wrap;
}

.badge {
  font-size: 0.7rem;
  padding: 2px 8px;
  border-radius: 999px;
  background: var(--panel);
  border: 1px solid var(--border);
  color: var(--text-dim);
}
.badge.persona { color: var(--accent); border-color: var(--accent); }
.badge.ok { color: var(--ok); border-color: var(--ok); }
.badge.bad { color: var(--bad); border-color: var(--bad); }

.segment p { margin: 0; font-size: 0.85rem; line-height: 1.5; color: var(--text); }

.empty-state {
  color: var(--text-dim);
  font-size: 0.9rem;
  text-align: center;
  padding: 60px 20px;
}

.history-list { display: flex; flex-direction: column; gap: 6px; max-height: 260px; overflow-y: auto; }

.history-item {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 8px;
  padding: 8px 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 0.78rem;
}
.history-item .meta { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.history-item .meta .theme { color: var(--text); display: block; }
.history-item .meta .sub { color: var(--text-dim); }

details.history { margin-top: 18px; }
details.history summary { cursor: pointer; font-size: 0.9rem; color: var(--text-dim); margin-bottom: 10px; }

.spinner {
  display: inline-block;
  width: 14px; height: 14px;
  border: 2px solid rgba(255,255,255,0.3);
  border-top-color: white;
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 6px;
  vertical-align: -2px;
}
@keyframes spin { to { transform: rotate(360deg); } }