.campaign-workspace { color: #334155; font-size: .8125rem; }
.campaign-level-switch { display: flex; gap: .25rem; margin-bottom: .75rem; border-bottom: 1px solid #cbd5e1; }
.campaign-level-switch button { border-bottom: 2px solid transparent; padding: .5rem .75rem; font-weight: 600; color: #64748b; }
.campaign-level-switch button.is-active { border-bottom-color: #b91c1c; color: #991b1b; }
.campaign-filters { display: flex; flex-wrap: wrap; align-items: end; gap: .75rem; }
.campaign-filters label { display: grid; gap: .25rem; font-weight: 600; }
.campaign-search { flex: 1; min-width: 12rem; }
.campaign-filters input, .campaign-filters select, .campaign-filters button, .campaign-error button {
  min-height: 2.25rem; border: 1px solid #cbd5e1; border-radius: .25rem; background: #fff; padding: .4rem .65rem; font: inherit;
}
.campaign-filters select { max-width: 100%; }
.campaign-workspace button:disabled, .campaign-workspace input:disabled, .campaign-workspace select:disabled { opacity: .5; cursor: not-allowed; }
.campaign-workspace :focus-visible { outline: 2px solid #1d4ed8; outline-offset: 2px; }
.campaign-status { min-height: 1.25rem; margin: .5rem 0; color: #475569; }
.campaign-error { margin: .5rem 0; color: #991b1b; }
.campaign-error button { margin-left: .5rem; }
.campaign-layout { display: grid; grid-template-columns: minmax(0, 1fr) 17rem; border: 1px solid #cbd5e1; background: #fff; }
.campaign-map { height: clamp(28rem, calc(100dvh - 16rem), 52rem); min-width: 0; isolation: isolate; z-index: 0; background: #e2e8f0; }
.campaign-seats { display: flex; flex-direction: column; min-height: 0; max-height: clamp(28rem, calc(100dvh - 16rem), 52rem); border-left: 1px solid #cbd5e1; }
.campaign-selection { padding: .75rem; border-bottom: 1px solid #e2e8f0; }
.campaign-selection p { margin-top: .25rem; }
.campaign-seat-list { overflow-y: auto; flex: 1; }
.campaign-seat-list button { display: block; width: 100%; padding: .5rem .75rem; border-bottom: 1px solid #e2e8f0; text-align: left; }
.campaign-seat-list button:hover { background: #f1f5f9; }
.campaign-seat-list button.is-selected { background: #e2e8f0; box-shadow: inset 3px 0 #334155; }
.campaign-seat-list small { display: block; margin-top: .125rem; color: #64748b; }
.campaign-empty { padding: .75rem; }
.campaign-source { margin-top: .5rem; color: #475569; font-size: .75rem; }
.campaign-source a { text-decoration: underline; text-underline-offset: 2px; }
@media (max-width: 767px) {
  .campaign-layout { grid-template-columns: minmax(0, 1fr); }
  .campaign-map { height: 55dvh; min-height: 20rem; }
  .campaign-seats { max-height: 18rem; border-left: 0; border-top: 1px solid #cbd5e1; }
}