:root {
  --wbp-bg:       #f8f9fb;
  --wbp-card:     #ffffff;
  --wbp-border:   #e0e4ea;
  --wbp-text:     #1a2233;
  --wbp-muted:    #6b7a99;
  --wbp-accent:   #2563eb;
  --wbp-ok:       #16a34a;
  --wbp-warn:     #d97706;
  --wbp-fail:     #dc2626;
  --wbp-row-fail: #fff5f5;
  --wbp-preset-active-bg: #dbeafe;
  --wbp-preset-active-text: #1d4ed8;
}

@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --wbp-bg:       #0f1117;
    --wbp-card:     #1a1f2e;
    --wbp-border:   #2e3348;
    --wbp-text:     #e2e8f0;
    --wbp-muted:    #8899b4;
    --wbp-accent:   #3b82f6;
    --wbp-ok:       #22c55e;
    --wbp-warn:     #f59e0b;
    --wbp-fail:     #f87171;
    --wbp-row-fail: #2a1010;
    --wbp-preset-active-bg: #1e3a6e;
    --wbp-preset-active-text: #93c5fd;
  }
}

:root[data-theme="dark"] {
  --wbp-bg:       #0f1117;
  --wbp-card:     #1a1f2e;
  --wbp-border:   #2e3348;
  --wbp-text:     #e2e8f0;
  --wbp-muted:    #8899b4;
  --wbp-accent:   #3b82f6;
  --wbp-ok:       #22c55e;
  --wbp-warn:     #f59e0b;
  --wbp-fail:     #f87171;
  --wbp-row-fail: #2a1010;
  --wbp-preset-active-bg: #1e3a6e;
  --wbp-preset-active-text: #93c5fd;
}

.wbp-shell {
  background: var(--wbp-bg);
  color: var(--wbp-text);
  min-height: 100%;
  padding: 24px;
  font-family: system-ui, sans-serif;
  font-size: 14px;
}

.wbp-header {
  margin-bottom: 20px;
}

.wbp-title {
  font-size: 20px;
  font-weight: 600;
  color: var(--wbp-text);
}

.wbp-subtitle {
  font-size: 13px;
  color: var(--wbp-muted);
  margin-top: 4px;
}

.wbp-card {
  background: var(--wbp-card);
  border: 1px solid var(--wbp-border);
  border-radius: 8px;
  padding: 20px;
  margin-bottom: 16px;
}

.wbp-section-label {
  font-size: 12px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--wbp-muted);
  margin-bottom: 14px;
  display: flex;
  align-items: center;
  gap: 12px;
}

.wbp-presets {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  margin-bottom: 16px;
}

.wbp-preset-btn {
  padding: 6px 14px;
  border-radius: 20px;
  border: 1px solid var(--wbp-border);
  background: transparent;
  color: var(--wbp-muted);
  font-size: 13px;
  cursor: pointer;
  transition: all 0.15s;

  &:hover { border-color: var(--wbp-accent); color: var(--wbp-accent); }

  &.active {
    background: var(--wbp-preset-active-bg);
    color: var(--wbp-preset-active-text);
    border-color: var(--wbp-preset-active-text);
    font-weight: 500;
  }
}

.wbp-date-row {
  display: flex;
  align-items: flex-end;
  gap: 16px;
  flex-wrap: wrap;
}

.wbp-field {
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.wbp-label {
  font-size: 12px;
  color: var(--wbp-muted);
  font-weight: 500;
}

.wbp-input {
  padding: 8px 12px;
  border: 1px solid var(--wbp-border);
  border-radius: 6px;
  background: var(--wbp-bg);
  color: var(--wbp-text);
  font-size: 14px;
  min-width: 160px;
  color-scheme: light dark;

  &[readonly] { opacity: 0.7; cursor: default; }
  &:focus { outline: 2px solid var(--wbp-accent); outline-offset: -1px; }
}

.wbp-run-btn {
  padding: 9px 22px;
  background: var(--wbp-accent);
  color: #fff;
  border: none;
  border-radius: 6px;
  font-size: 14px;
  font-weight: 500;
  cursor: pointer;
  transition: opacity 0.15s;
  white-space: nowrap;

  &:hover:not(:disabled) { opacity: 0.88; }
  &:disabled { opacity: 0.5; cursor: not-allowed; }
}

.wbp-spinner {
  display: inline-flex;
  align-items: center;
  gap: 8px;

  &::before {
    content: '';
    display: inline-block;
    width: 14px; height: 14px;
    border: 2px solid rgba(255,255,255,0.4);
    border-top-color: #fff;
    border-radius: 50%;
    animation: spin 0.7s linear infinite;
  }
}

@keyframes spin { to { transform: rotate(360deg); } }

.wbp-error {
  margin-top: 12px;
  color: var(--wbp-fail);
  font-size: 13px;
}

// ── Table ────────────────────────────────────────────────────────────────────

.wbp-table {
  width: 100%;
  border-collapse: collapse;
  font-size: 13px;

  th {
    text-align: left;
    font-size: 11px;
    font-weight: 600;
    text-transform: uppercase;
    letter-spacing: 0.05em;
    color: var(--wbp-muted);
    border-bottom: 1px solid var(--wbp-border);
    padding: 8px 10px;
  }

  td {
    padding: 9px 10px;
    border-bottom: 1px solid var(--wbp-border);
    vertical-align: middle;
  }

  tbody tr:last-child td { border-bottom: none; }

  .num { text-align: right; font-variant-numeric: tabular-nums; }
  .mono { font-family: monospace; font-size: 12px; }
}

.row-fail td { background: var(--wbp-row-fail); }

.row-detail td { background: var(--wbp-bg); padding: 0; }

.wbp-error-list {
  padding: 10px 16px;
  display: flex;
  flex-direction: column;
  gap: 4px;
}

.wbp-error-row {
  display: flex;
  gap: 12px;
  font-size: 12px;
}

.wbp-ou-id {
  font-family: monospace;
  color: var(--wbp-muted);
  min-width: 60px;
}

.wbp-err-msg { color: var(--wbp-fail); }

// ── Badges ───────────────────────────────────────────────────────────────────

.wbp-badge {
  display: inline-block;
  padding: 2px 8px;
  border-radius: 10px;
  font-size: 11px;
  font-weight: 600;

  &.badge-ok    { background: rgba(22, 163, 74, 0.12); color: var(--wbp-ok); }
  &.badge-warn  { background: rgba(217, 119, 6, 0.12); color: var(--wbp-warn); }
  &.badge-fail  { background: rgba(220, 38, 38, 0.12); color: var(--wbp-fail); }
  &.badge-delta { background: rgba(37, 99, 235, 0.1);  color: var(--wbp-accent); }
}

.wbp-expand-btn {
  margin-left: 8px;
  background: none;
  border: none;
  color: var(--wbp-accent);
  font-size: 12px;
  cursor: pointer;
  padding: 2px 6px;
  border-radius: 4px;

  &:hover { background: rgba(37,99,235,0.08); }
}

// ── Summary ──────────────────────────────────────────────────────────────────

.wbp-summary {
  display: flex;
  gap: 16px;
  font-size: 13px;
  font-weight: normal;
  text-transform: none;
  letter-spacing: 0;
}

.wbp-ok   { color: var(--wbp-ok); font-weight: 600; }
.wbp-fail { color: var(--wbp-fail); font-weight: 600; }