.style-layout {
  display: grid;
  grid-template-columns: 300px 1fr;
  grid-template-rows: auto 1fr;
  height: 100vh;
}
.style-header { grid-column: 1 / -1; }

.style-controls {
  grid-row: 2;
  background: var(--bg-surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  overflow-y: auto;
  box-shadow: var(--shadow-md);
}
.style-controls-inner { padding: var(--spacing-md); }

.style-name-field {
  margin-bottom: var(--spacing-lg);
}

.style-property-group {
  margin-bottom: var(--spacing-md);
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
}
.style-property-group-header {
  padding: var(--spacing-sm) var(--spacing-md);
  background: var(--bg-surface-hover);
  font-size: var(--fs-xs); font-weight: 600;
  text-transform: uppercase; letter-spacing: 0.04em;
  border-bottom: 1px solid var(--border);
}
.style-property-group-body {
  padding: var(--spacing-sm) var(--spacing-md);
}

.link-state-tabs {
  display: flex; border-bottom: 1px solid var(--border);
  margin-bottom: var(--spacing-md);
}
.link-state-tab {
  flex: 1; text-align: center;
  padding: 6px 8px; font-size: var(--fs-xs);
  color: var(--text-secondary); cursor: pointer;
  border: 1px solid transparent; border-bottom: none;
  margin-bottom: -1px;
  transition: all var(--transition-fast);
}
.link-state-tab:hover { color: var(--text-dark); }
.link-state-tab.active { color: var(--text-on-accent); background: var(--accent); border-color: var(--accent); border-radius: var(--radius-md) var(--radius-md) 0 0; }
.link-state-tab.disabled { opacity: 0.4; cursor: default; }

.style-preview-area {
  grid-row: 2;
  padding: var(--spacing-xl);
  overflow-y: auto;
  display: flex; justify-content: center; align-items: flex-start;
  background: #e8e8e8;
}
.style-preview-frame {
  width: 100%; max-width: 700px;
  background: var(--bg-canvas); color: var(--text-dark);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  border: 1px solid lightgray;
  padding: var(--spacing-2xl);
  font-family: Arial, Helvetica, sans-serif;
  font-size: 13px; line-height: 1.5;
}
.style-preview-frame p { margin-bottom: 1em; }
.style-preview-frame ul { padding-left: 2em; margin-bottom: 1em; }
.style-preview-frame ul li { margin-bottom: 0.3em; }
.style-preview-frame a { color: #0066cc; text-decoration: underline; }

.style-footer {
  grid-column: 1 / -1;
  display: flex; align-items: center; justify-content: space-between;
  padding: var(--spacing-sm) var(--spacing-lg);
  border-top: 1px solid var(--border);
  background: var(--bg-surface);
}