.announcements { max-width: 1600px; margin: 0 auto; }
.a-layout { display: grid; grid-template-columns: minmax(300px, .85fr) minmax(0, 1.4fr); align-items: start; gap: 22px; }
.a-compose-column, .a-history-column { display: grid; grid-template-columns: minmax(0, 1fr); gap: 20px; min-width: 0; }
.a-records { min-width: 0; }
.a-list-tools { display: flex; flex-wrap: wrap; gap: 12px; padding: 16px; border: 1px solid var(--line); border-radius: 12px; background: var(--surface); }
.a-list-tools label { flex: 1 1 180px; min-width: 0; }
.a-list-tools select { width: 100%; min-width: 0; }
.a-list-tools > .a-help { flex-basis: 100%; margin: 0; }
.a-composer, .a-preview, .a-detail, .a-stop-confirmation { display: grid; gap: 16px; padding: 22px; border: 1px solid var(--line); border-radius: 14px; background: var(--surface); box-shadow: var(--shadow); min-width: 0; }
.a-stop-confirmation { border-color: var(--signal); }
.a-stop-confirmation[hidden] { display: none; }
.a-composer { border-top: 3px solid var(--accent); }
.a-fields { display: grid; gap: 18px; border: 0; padding: 0; margin: 0; min-width: 0; }
.a-fields:disabled { opacity: .65; }
.a-fields textarea { min-height: 165px; resize: vertical; line-height: 1.65; }
.a-fields select, .a-fields textarea, .a-fields input:not([type="checkbox"]) { width: 100%; }
.a-help { color: var(--ink-2); font-size: 12px; line-height: 1.6; overflow-wrap: anywhere; }
.a-targets { display: grid; gap: 10px; }
.a-actions { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; }
.a-actions .btn { white-space: normal; text-align: center; }
.a-group-list { max-height: 270px; overflow-y: auto; border: 1px solid var(--line); border-radius: 9px; padding: 4px; }
.a-group-list > .a-help { padding: 14px; }
.announcements label.a-check { display: flex; flex-direction: row; align-items: center; gap: 11px; min-height: 54px; padding: 9px; border-radius: 6px; cursor: pointer; }
.announcements label.a-check:has(input:checked) { background: var(--accent-tint); }
.announcements label.a-check:has(input:disabled) { opacity: .6; cursor: default; }
.announcements .a-check input[type="checkbox"] { flex: none; width: 17px; height: 17px; margin: 0; padding: 0; accent-color: var(--accent); }
.a-check > span { display: grid; gap: 2px; min-width: 0; }
.a-check strong { color: var(--ink); font-weight: 600; overflow-wrap: anywhere; }
.a-check small { font-size: 11px; font-weight: 400; color: var(--ink-2); }
.a-preview { border-color: #cbcffa; background: linear-gradient(150deg, var(--accent-tint), var(--surface) 50%); }
.a-kicker { color: var(--accent); font-size: 10px; font-weight: 700; letter-spacing: .13em; }
.a-message { white-space: pre-wrap; overflow-wrap: anywhere; padding: 16px; border: 1px solid var(--line); border-radius: 10px; background: var(--ground); line-height: 1.75; font-size: 14px; max-height: 400px; overflow-y: auto; }
.a-message[data-attribution="admin"] { border: 2px solid #c39428; background: linear-gradient(135deg, #fff6dc, var(--surface) 65%); }
.a-message[data-attribution="senior"] { border: 2px solid #4c8ed7; background: linear-gradient(135deg, #eaf4ff, var(--surface) 65%); }
.a-message[data-attribution="admin"] strong, .a-message[data-attribution="senior"] strong { color: var(--ink); font-weight: 800; }
.a-preview-groups { margin: 0; padding-left: 22px; max-height: 170px; overflow-y: auto; color: var(--ink-2); font-size: 12px; overflow-wrap: anywhere; }
.a-preview-groups li + li { margin-top: 5px; }
.a-notice:not(:empty), .a-error:not(:empty) { margin-bottom: 16px; padding: 12px 16px; border-radius: 9px; font-size: 13px; }
.a-notice:not(:empty) { color: var(--support); background: #e9f6f2; border: 1px solid #c8e9df; }
.a-error:not(:empty) { color: var(--signal); background: var(--signal-tint); border: 1px solid #efc7d0; }
.a-records .table-card { margin: 0; }
.a-records table { width: 100%; }
.a-records th, .a-records td { padding: 13px 14px; }
.a-excerpt { max-width: 260px; overflow: hidden; white-space: nowrap; text-overflow: ellipsis; color: var(--ink-2); margin: 4px 0; font-size: 12px; }
.a-selected { background: var(--accent-tint); }
.a-badge { display: inline-flex; width: fit-content; padding: 3px 8px; border-radius: 6px; background: #edf0f5; color: var(--ink-2); font-size: 11px; font-weight: 600; white-space: nowrap; }
.a-badge[data-status="active"], .a-badge[data-status="sent"], .a-badge[data-status="completed"] { color: var(--support); background: #e7f5f0; }
.a-badge[data-status="failed"] { color: var(--signal); background: var(--signal-tint); }
.a-badge[data-status="stopped"] { color: var(--signal); background: var(--signal-tint); }
.a-badge[data-status="uncertain"], .a-badge[data-status="unknown"], .a-badge[data-status="paused"] { color: #8a5815; background: #fff3d9; }
.a-badge[data-status="sending"] { color: var(--accent); background: var(--accent-tint); }
.a-detail-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.a-detail, .a-composer { scroll-margin-top: 16px; }
.a-detail .table-card { margin: 0; box-shadow: none; }
.a-detail td { overflow-wrap: anywhere; max-width: 250px; white-space: normal; }
.a-counts { display: flex; flex-wrap: wrap; gap: 8px 14px; font-size: 12px; }
.a-run { display: grid; gap: 9px; border-top: 1px solid var(--line); padding-top: 12px; }
@media (max-width: 1150px) {
  .a-layout { grid-template-columns: minmax(0, 1fr); }
  .a-compose-column { grid-template-columns: repeat(2, minmax(0, 1fr)); align-items: start; }
  .a-compose-column:not(:has(.a-preview:not([hidden]))) { grid-template-columns: minmax(0, 1fr); }
}
@media (max-width: 650px) {
  .announcements { padding: 24px 16px; }
  .a-layout { gap: 16px; }
  .a-compose-column { grid-template-columns: minmax(0, 1fr); }
  .a-composer, .a-preview, .a-detail { padding: 16px; border-radius: 11px; }
  .a-detail-head { align-items: flex-start; flex-direction: column; }
  .a-actions .btn { flex: 1 1 auto; min-height: 42px; }
  .a-records th, .a-records td { padding: 11px; }
  .a-excerpt { max-width: 175px; }
}