:root {
  --pmx-primary: #405189;
  --pmx-accent: #3577f1;
  --pmx-success: #0ab39c;
  --pmx-bg: #f3f6f9;
  --pmx-surface: #ffffff;
  --pmx-border: #e9ebec;
  --pmx-text: #212529;
  --pmx-muted: #878a99;
}

* {
  box-sizing: border-box;
}

html,
body {
  margin: 0;
  padding: 0;
  min-height: 100vh;
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
  background: var(--pmx-bg);
  color: var(--pmx-text);
}

.pmx-header {
  background: linear-gradient(135deg, var(--pmx-primary) 0%, #2d3a66 100%);
  color: #fff;
  padding: 20px 24px 16px;
  box-shadow: 0 2px 8px rgba(64, 81, 137, 0.25);
}

.pmx-header h1 {
  margin: 0 0 4px;
  font-size: 1.35rem;
  font-weight: 700;
  letter-spacing: -0.02em;
}

.pmx-header p {
  margin: 0;
  font-size: 0.875rem;
  opacity: 0.85;
}

.pmx-toolbar {
  display: flex;
  flex-wrap: wrap;
  gap: 12px 20px;
  align-items: flex-end;
  padding: 16px 24px;
  background: var(--pmx-surface);
  border-bottom: 1px solid var(--pmx-border);
  position: sticky;
  top: 0;
  z-index: 100;
}

.pmx-field label {
  display: block;
  font-size: 0.7rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  color: var(--pmx-muted);
  margin-bottom: 4px;
}

.pmx-field select {
  min-width: 180px;
  padding: 8px 12px;
  border: 1px solid var(--pmx-border);
  border-radius: 8px;
  font-size: 0.9rem;
  background: #fff;
}

.pmx-actions {
  display: flex;
  gap: 8px;
  align-items: center;
  margin-left: auto;
}

.pmx-btn {
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--pmx-border);
  background: #fff;
  font-size: 0.875rem;
  font-weight: 600;
  cursor: pointer;
}

.pmx-btn--primary {
  background: var(--pmx-accent);
  border-color: var(--pmx-accent);
  color: #fff;
}

.pmx-toggle {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 0.875rem;
  cursor: pointer;
  user-select: none;
}

.pmx-main {
  padding: 24px;
  max-width: 1400px;
  margin: 0 auto;
}

.pmx-status {
  padding: 12px 16px;
  border-radius: 8px;
  background: #fff3cd;
  border: 1px solid #ffecb5;
  margin-bottom: 20px;
  font-size: 0.875rem;
}

.pmx-status--error {
  background: #fde8e4;
  border-color: #f06548;
}

.pmx-group {
  margin-bottom: 40px;
}

.pmx-group-title {
  font-size: 0.7rem;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--pmx-muted);
  padding-bottom: 8px;
  margin-bottom: 20px;
  border-bottom: 1px solid var(--pmx-border);
}

.pmx-row {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  justify-content: center;
  align-items: flex-start;
}

.pmx-ad {
  display: inline-flex;
  flex-direction: column;
  gap: 8px;
  align-items: flex-start;
}

.pmx-ad-label {
  font-size: 11px;
  font-family: ui-monospace, 'SF Mono', Menlo, Consolas, monospace;
  color: #555;
  background: var(--pmx-surface);
  border: 1px solid var(--pmx-border);
  border-radius: 6px;
  padding: 3px 8px;
}

.pmx-ad-label b {
  color: var(--pmx-text);
}

.pmx-ad-label .role {
  color: var(--pmx-accent);
  font-weight: 600;
  margin-left: 6px;
}

.pmx-ad iframe {
  display: block;
  border: 0;
  background: #000;
  box-shadow: 0 1px 3px rgba(0, 0, 0, 0.08), 0 8px 24px rgba(0, 0, 0, 0.06);
}

.pmx-scaled-wide {
  width: 100%;
  max-width: 1280px;
  overflow: hidden;
}

.pmx-scaled-wide-inner {
  width: 1920px;
  transform-origin: top left;
}

.pmx-footer {
  text-align: center;
  padding: 24px;
  font-size: 0.75rem;
  color: var(--pmx-muted);
}