:root {
  --bg: #f6f8fb;
  --surface: #ffffff;
  --surface-2: #eef2f7;
  --text: #18212f;
  --text-soft: #5f6c80;
  --border: #d8e0ea;
  --shadow: 0 12px 28px rgba(16, 24, 40, 0.08);
  --radius: 18px;
  --accent: #2563eb;
  --success: #16a34a;
  --warning: #f59e0b;
  --danger: #dc2626;
  --light-btn: #e2e8f0;
}
body.dark {
  --bg: #0f172a;
  --surface: #111827;
  --surface-2: #1f2937;
  --text: #e5edf8;
  --text-soft: #9fb0c6;
  --border: #334155;
  --shadow: 0 12px 28px rgba(0, 0, 0, 0.35);
  --accent: #60a5fa;
  --success: #22c55e;
  --warning: #fbbf24;
  --danger: #f87171;
  --light-btn: #334155;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: Inter, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  background: var(--bg);
  color: var(--text);
}
.topbar {
  display: flex;
  justify-content: space-between;
  gap: 16px;
  align-items: start;
  padding: 28px;
}
h1, h2, h3 { margin: 0 0 8px; }
.subtitle, .file-info, .helper-box p {
  margin: 0;
  color: var(--text-soft);
}
.layout {
  padding: 0 28px 28px;
  display: grid;
  gap: 20px;
}
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 20px;
}
.load-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
}
.panel {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}
.config-grid, .metrics {
  display: grid;
  gap: 14px;
  grid-template-columns: repeat(4, minmax(160px, 1fr));
}
.second-row { margin-top: 14px; }
.field {
  display: flex;
  flex-direction: column;
  gap: 8px;
}
label {
  font-size: .92rem;
  color: var(--text-soft);
}
input, select, button {
  font: inherit;
}
input, select {
  width: 100%;
  padding: 11px 12px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--surface);
  color: var(--text);
}
.helper-box {
  margin-top: 16px;
  padding: 14px;
  border: 1px dashed var(--border);
  border-radius: 14px;
  background: var(--surface-2);
}
.actions {
  margin-top: 16px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.btn {
  border: none;
  border-radius: 12px;
  padding: 11px 14px;
  background: var(--accent);
  color: white;
  cursor: pointer;
}
.btn-secondary { background: #475569; }
.btn-success { background: var(--success); }
.btn-light { background: var(--light-btn); color: var(--text); }
.metric {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 16px;
}
.metric-label {
  display: block;
  font-size: .92rem;
  color: var(--text-soft);
  margin-bottom: 8px;
}
.metric strong { font-size: 1.7rem; }
.table-wrap {
  margin-top: 16px;
  overflow: auto;
  border: 1px solid var(--border);
  border-radius: 14px;
}
table {
  width: 100%;
  border-collapse: collapse;
  background: var(--surface);
  min-width: 1200px;
}
th, td {
  text-align: left;
  padding: 12px;
  border-bottom: 1px solid var(--border);
  vertical-align: top;
}
th {
  background: var(--surface-2);
  position: sticky;
  top: 0;
  z-index: 1;
}
.row-match { background: rgba(34, 197, 94, 0.08); }
.row-no-match { background: rgba(220, 38, 38, 0.06); }
.badge {
  display: inline-flex;
  border-radius: 999px;
  padding: 5px 10px;
  font-size: .84rem;
  font-weight: 700;
}
.badge-ok { background: rgba(34, 197, 94, .12); color: var(--success); }
.badge-bad { background: rgba(220, 38, 38, .12); color: var(--danger); }
.toast-container {
  position: fixed;
  top: 18px;
  right: 18px;
  display: grid;
  gap: 10px;
  z-index: 9999;
}
.toast {
  min-width: 260px;
  max-width: 360px;
  background: var(--surface);
  color: var(--text);
  border-left: 5px solid var(--accent);
  border-radius: 14px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
  padding: 14px 14px 14px 16px;
}
.toast.success { border-left-color: var(--success); }
.toast.error { border-left-color: var(--danger); }
.toast-title { font-weight: 700; margin-bottom: 4px; }
.toast-message { color: var(--text-soft); font-size: .94rem; }
code {
  background: var(--surface-2);
  border: 1px solid var(--border);
  border-radius: 8px;
  padding: 2px 6px;
}
@media (max-width: 1100px) {
  .load-grid, .config-grid, .metrics { grid-template-columns: 1fr 1fr; }
  .topbar { flex-direction: column; }
}
@media (max-width: 680px) {
  .layout, .topbar { padding-left: 16px; padding-right: 16px; }
  .load-grid, .config-grid, .metrics { grid-template-columns: 1fr; }
}