.collaboration-sheet { z-index: 130; }
.collaboration-sheet .panel { width: min(720px, 100%); max-width: 100%; box-sizing: border-box; }
.collaboration-sheet .section-head { align-items: flex-start; gap: 12px; }
.collaboration-sheet .section-head > div { min-width: 0; overflow-wrap: anywhere; }
.collaboration-sheet .field { display: flex; flex-direction: column; gap: 7px; margin: 12px 0; min-width: 0; }
.collaboration-sheet input:not([type=checkbox]), .collaboration-sheet textarea, .collaboration-sheet select { width: 100%; box-sizing: border-box; font-size: 16px; min-width: 0; }
.collaboration-note { background: var(--green-soft, #eaf6ef); padding: 13px 15px; border-radius: 12px; color: #31594a; line-height: 1.65; font-size: 14px; margin: 12px 0; }
.collaboration-muted { font-size: 13px; color: var(--muted, #74837c); line-height: 1.6; }
.division-draft { border: 1px solid #dbe5df; border-radius: 14px; padding: 10px 14px 14px; margin: 16px 0; min-width: 0; background: #fafcfb; }
.division-draft legend { padding: 0 7px; color: #31594a; font-weight: 650; font-size: 14px; }
.division-draft-top { display: grid; grid-template-columns: minmax(0, 1.4fr) minmax(0, 1fr); gap: 14px; }
.division-more { margin: 4px 0 8px; font-size: 14px; }
.division-more summary { cursor: pointer; padding: 6px 0; color: #677c70; }
.division-remove { font-size: 13px; padding: 8px 0; }
.division-checkbox, .division-existing-row label { display: flex; gap: 8px; align-items: center; font-size: 14px; }
.collaboration-sheet input[type=checkbox] { width: 19px; height: 19px; flex: 0 0 19px; accent-color: #265b44; }
.division-existing-row { display: flex; gap: 16px; align-items: center; justify-content: space-between; padding: 12px 0; border-bottom: 1px solid #e6ece8; }
.division-existing-row > span { min-width: 0; overflow-wrap: anywhere; }
.division-existing-row small, .notice-record small, .notice-people small { display: block; color: #78887f; font-size: 12px; margin-top: 5px; }
.division-existing-row label { flex: 0 0 auto; color: #a14a37; }
.collaboration-save { position: sticky; bottom: -24px; padding: 14px 0 max(14px, env(safe-area-inset-bottom)); background: white; border-top: 1px solid #e8eeeb; }
.collaboration-save .btn { width: 100%; min-height: 48px; }
.collaboration-error { color: #a93929; font-size: 14px; white-space: pre-wrap; }
.notice-people { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); gap: 8px; border: 0; padding: 0; margin: 20px 0; min-width: 0; }
.notice-people legend { margin-bottom: 12px; }
.notice-people label { display: flex; align-items: center; gap: 9px; border: 1px solid #dfe7e2; padding: 12px; border-radius: 12px; cursor: pointer; min-width: 0; }
.notice-people label span { overflow-wrap: anywhere; min-width: 0; }
.collaboration-parent { text-align: left; padding: 12px 0 0; overflow-wrap: anywhere; }
.collaboration-tree { margin: 14px 0; padding: 20px; box-shadow: none; }
.division-node { border: 0; background: #f6f9f7; color: inherit; font: inherit; display: flex; align-items: flex-start; gap: 10px; width: calc(100% - var(--division-depth) * 12px); margin: 7px 0 7px calc(var(--division-depth) * 12px); padding: 13px; text-align: left; border-radius: 10px; cursor: pointer; }
.division-node:hover { background: #e9f2ed; }
.division-node-main { min-width: 0; flex: 1; overflow-wrap: anywhere; }
.division-node small { display: block; color: #72867b; font-size: 12px; margin-top: 5px; }
.division-node-status { font-size: 12px; white-space: nowrap; color: #557264; }
.division-result { display: -webkit-box !important; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.division-node.is-cancelled { opacity: .68; }
.notice-inbox { margin: 14px 0; padding: 16px 20px; }
.notice-inbox > summary { display: flex; flex-wrap: wrap; gap: 7px 16px; align-items: center; justify-content: space-between; cursor: pointer; font-weight: 650; }
.notice-inbox > summary b { font-size: 13px; color: #b75d30; margin-left: 8px; }
.notice-inbox > summary small { font-size: 12px; font-weight: 400; color: #71867a; }
.notice-record { padding: 15px 0; border-bottom: 1px solid #e7ece9; overflow-wrap: anywhere; }
.notice-record:last-child { border-bottom: 0; }
.notice-record p { white-space: pre-wrap; font-size: 14px; line-height: 1.6; margin: 10px 0; }
.notice-title { font-weight: 650; text-align: left; padding: 0; }
.notice-record-actions { display: flex; justify-content: flex-end; }
.collaboration-history, .collaboration-notices { margin-top: 14px; }
@media (max-width: 600px) {
  .division-draft-top { grid-template-columns: minmax(0, 1fr); gap: 0; }
  .collaboration-sheet .panel { padding: 18px 18px max(24px, env(safe-area-inset-bottom)); }
  .collaboration-tree { padding: 15px; }
  .division-node { padding: 11px; width: calc(100% - var(--division-depth) * 7px); margin-left: calc(var(--division-depth) * 7px); }
  .division-existing-row { flex-wrap: wrap; gap: 7px; }
  .notice-people label { padding: 10px 8px; }
}