.md-shell {
  display: flex;
  flex-direction: column;
  width: 100%;
  height: 100%;
  min-height: 0;
  font-size: 12px;
  color: var(--clr-text);
}
.md-header {
  display: flex;
  align-items: center;
  height: 40px;
  background: var(--clr-primary);
  color: #fff;
  padding: 0 14px;
  flex-shrink: 0;
  font-size: 13px;
  font-weight: 700;
}
.md-body {
  flex: 1;
  min-height: 0;
  border: 1px solid var(--clr-border);
  border-top: none;
  display: flex;
  flex-direction: column;
}

/* Master (table) — top half */
.md-master {
  flex: 1;
  min-height: 0;
  background: var(--clr-surface);
  display: flex;
  flex-direction: column;
  overflow: hidden;
}
.md-title {
  padding: 10px 14px 4px;
  font-size: 15px;
  font-weight: 700;
}
.md-subtitle {
  padding: 0 14px 6px;
  font-size: 11px;
  color: var(--clr-text-dim);
}
.md-table {
  flex: 1;
  overflow-y: auto;
  padding: 0 14px;
}
.md-table table {
  width: 100%;
  border-collapse: collapse;
  font-size: 11px;
}
.md-table th {
  text-align: left;
  font-weight: 600;
  padding: 6px 8px;
  border-bottom: 2px solid var(--clr-border);
  color: var(--clr-text-dim);
}
.md-table td {
  padding: 5px 8px;
  border-bottom: 1px solid var(--clr-border);
  color: var(--clr-text-dim);
}
.md-table tr.selected td {
  background: rgba(78, 108, 242, 0.08);
  color: var(--clr-accent);
  font-weight: 600;
}

/* Resize handle */
.md-divider {
  height: 6px;
  background: var(--clr-border);
  flex-shrink: 0;
  cursor: row-resize;
  display: flex;
  align-items: center;
  justify-content: center;
}
.md-divider::after {
  content: '\2501\2501\2501';
  font-size: 8px;
  color: var(--clr-text-dim);
  letter-spacing: 2px;
}

/* Detail — bottom half */
.md-detail {
  flex: 1;
  min-height: 0;
  background: var(--clr-bg);
  overflow-y: auto;
  padding: 10px 14px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.md-detail-header {
  display: flex;
  align-items: baseline;
  gap: 10px;
}
.md-detail-header h3 {
  font-size: 14px;
  font-weight: 700;
  margin: 0;
}
.md-detail-header span {
  font-size: 10px;
  color: var(--clr-text-dim);
}

/* 2-col sections */
.md-sections {
  display: flex;
  gap: 10px;
  flex: 1;
  min-height: 0;
}
.md-section {
  flex: 1;
  background: var(--clr-surface);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius);
  padding: 10px 12px;
  display: flex;
  flex-direction: column;
  gap: 6px;
}
.md-section h4 {
  font-size: 11px;
  font-weight: 700;
  margin: 0;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--clr-text-dim);
}

/* Shared */
.md-norm {
  font-size: 10px;
  color: var(--clr-text-dim);
  line-height: 1.5;
  padding: 4px 6px;
  background: var(--clr-bg);
  border-radius: 4px;
  border-left: 2px solid var(--clr-accent);
}
.md-field {
  display: flex;
  flex-direction: column;
  gap: 2px;
}
.md-field label {
  font-size: 9px;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--clr-text-dim);
}
.md-field .md-input {
  border: 1px solid var(--clr-border);
  border-radius: 4px;
  padding: 3px 6px;
  font-size: 11px;
  color: var(--clr-text-dim);
  background: #fff;
}
.md-btn-row {
  display: flex;
  gap: 4px;
  padding-top: 6px;
  border-top: 1px solid var(--clr-border);
}
.md-btn {
  font-size: 10px;
  padding: 3px 8px;
  border-radius: 4px;
  border: 1px solid var(--clr-border);
  background: var(--clr-surface);
  color: var(--clr-text-dim);
}
.md-btn.primary {
  background: var(--clr-accent);
  color: #fff;
  border-color: var(--clr-accent);
}