/* Chat workspaces must stay inside the main content panel; the application shell's
   generic fixed `aside` rule is intentionally neutralized for topic navigation. */
.messages-shell{padding:0;overflow:hidden}
.messages-shell .message-toolbar{margin:0;padding:20px 22px;border-bottom:1px solid var(--line);background:#fff}
.messages-shell .message-workspace{border:0;border-radius:0;box-shadow:none}
.message-workspace{position:relative;display:grid;grid-template-columns:minmax(250px,320px) minmax(0,1fr);align-items:stretch;width:100%;min-width:0;max-width:100%;max-height:80dvh;margin:0;padding:0;overflow:hidden;background:#fff}
.message-workspace>.message-topics{position:static!important;z-index:auto!important;inset:auto!important;width:auto!important;height:auto;min-width:0;max-height:none;margin:0!important;padding:18px;align-self:stretch;justify-content:flex-start;overflow:hidden;border:0;border-right:1px solid var(--line);background:#f7f8fc}
.message-topics .new-topic-form{flex:0 0 auto}
.message-topics h2{flex:0 0 auto;margin:0}
.message-topic-list{flex:1 1 auto;min-height:0;max-height:none;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable}
.message-topic{flex:0 0 auto}
.message-topic>span{display:block;margin-top:4px;color:var(--muted);font-size:.82rem;line-height:1.25}
.message-workspace>.conversation-main{display:flex;min-width:0;min-height:560px;max-height:80dvh;overflow:hidden;flex-direction:column;background:#fff}
.conversation-main>.chat-thread{flex:1 1 auto;min-height:300px;max-height:none;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable}
.conversation-main>.chat-compose-panel,.rental-chat>.chat-compose-panel{flex:0 0 auto;width:100%;margin:0;padding:16px 18px;border-top:1px solid var(--line);background:#fff}
.chat-compose-form{display:grid!important;width:100%;min-width:0;grid-template-columns:minmax(0,1fr) auto!important;gap:12px;align-items:end}
.chat-compose-form>.chat-message-input{grid-column:1/-1;width:100%;min-width:0}
.chat-compose-form>.chat-message-input textarea{display:block;width:100%;min-height:108px;resize:vertical}
.chat-compose-form>.chat-attachment{grid-column:1;min-width:0;width:100%}
.chat-compose-form>.chat-attachment input{width:100%}
.chat-compose-form>button{grid-column:2;min-height:46px;white-space:nowrap}
.property-chat-compose>.chat-tenancy-input{grid-column:1/-1;width:100%}
.rental-chat>.chat-thread{max-height:80dvh;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable}

/* A short collection keeps its natural height. Once a data-heavy region would
   exceed 80% of the viewport, it scrolls internally instead of stretching the page. */
.table-wrap,.data-scroll-region{max-height:80dvh;overflow:auto;overscroll-behavior:contain;scrollbar-gutter:stable}
.table-wrap>table thead{position:sticky;z-index:1;top:0;background:#fff}
.utility-identifier-groups{display:grid;gap:18px;margin:0 0 24px;padding-right:4px}
.utility-group{overflow:hidden;border:1px solid var(--line);border-radius:18px;background:#f7f9fd}
.utility-group>h3{margin:0;padding:16px 18px;border-bottom:1px solid var(--line);background:#edf2ff;color:var(--ink)}
.utility-supplier-group{display:grid;gap:12px;padding:16px 18px}
.utility-supplier-group+.utility-supplier-group{border-top:1px solid var(--line)}
.utility-supplier-group>h4{margin:0;color:var(--muted);font-size:.92rem;letter-spacing:.02em}
.utility-identifier-list{display:grid;grid-template-columns:repeat(auto-fit,minmax(min(100%,360px),1fr));gap:12px;margin:0}
.utility-identifier-card{display:grid;gap:12px;padding:16px;border:1px solid var(--line);border-radius:14px;background:#fff}
.utility-identifier-card.historical{background:#f5f6f9;color:var(--muted)}
.utility-identifier-summary{display:flex;align-items:flex-start;justify-content:space-between;gap:12px}
.utility-identifier-summary>div{display:grid;gap:5px;min-width:0}
.utility-identifier-summary code{overflow-wrap:anywhere;color:inherit;font:600 .95rem/1.35 ui-monospace,SFMono-Regular,Menlo,monospace}
.utility-identifier-summary .badge{flex:0 0 auto}
.utility-identifier-summary .origin-manual{background:#e7f8f2;color:#08785e}
.utility-identifier-summary .origin-invoice_import{background:#eaf0ff;color:#3158c7}
.utility-identifier-summary .origin-legacy{background:#f0f1f4;color:#626b7f}
.matching-disabled{color:#b42338}
.utility-identifier-controls{display:flex!important;flex-direction:column;align-items:flex-end;gap:7px!important}
.identifier-switch-form{margin:0}
.identifier-switch{position:relative;display:block;width:60px;height:28px;padding:0;border:0;border-radius:999px;color:#fff;box-shadow:inset 0 2px 4px rgba(13,25,50,.24);cursor:pointer;transition:background .2s ease,box-shadow .2s ease}
.identifier-switch.is-on{background:linear-gradient(135deg,#38b82e,#75d85e)}
.identifier-switch.is-off{background:linear-gradient(135deg,#db3e2d,#f27668)}
.identifier-switch i{position:absolute;top:3px;width:22px;height:22px;border-radius:50%;background:linear-gradient(#fff,#dfe2e8);box-shadow:0 2px 4px rgba(16,24,40,.42);transition:left .2s ease}
.identifier-switch.is-on i{left:35px}.identifier-switch.is-off i{left:3px}
.identifier-switch span{position:absolute;top:0;display:flex;height:28px;align-items:center;font-size:.61rem;font-weight:800;letter-spacing:.03em}
.identifier-switch .switch-on{left:8px}.identifier-switch .switch-off{right:6px}
.identifier-switch.is-on .switch-off,.identifier-switch.is-off .switch-on{visibility:hidden}
.identifier-switch:hover{filter:saturate(1.1);box-shadow:inset 0 2px 5px rgba(13,25,50,.28),0 0 0 3px rgba(78,102,235,.12)}
.identifier-switch:focus-visible{outline:3px solid rgba(78,102,235,.35);outline-offset:3px}
.identifier-remove-form{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:18px;padding-top:16px;border-top:1px solid #f3c3c7}
.identifier-remove-form .check{flex:1;margin:0}
.utility-identifier-add{padding-top:20px;border-top:1px solid var(--line)}
.utility-identifier-card details{border-top:1px solid var(--line);padding-top:12px}
.utility-identifier-card summary{width:max-content;list-style:none}
.utility-identifier-card summary::-webkit-details-marker{display:none}
.utility-identifier-card details[open] summary{margin-bottom:14px}
@media(max-width:700px){.utility-supplier-group{padding:14px}.utility-identifier-summary{align-items:stretch;flex-direction:column}.utility-identifier-summary .badge{width:max-content}.utility-identifier-controls{align-items:flex-start}.identifier-remove-form{align-items:stretch;flex-direction:column}}
.batch-file-picker{display:grid;gap:8px;max-width:680px;margin-bottom:18px}
.batch-invoice-panel{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(320px,.75fr);gap:18px;align-items:start}
.batch-invoice-panel>.section-head,.batch-invoice-panel>.batch-file-picker{grid-column:1/-1}
.batch-invoice-panel [data-batch-table]{max-height:80dvh;overflow:auto}
.batch-invoice-panel,[data-cost-form]{position:relative}
.invoice-processing-overlay{position:absolute;inset:0;z-index:30;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:.8rem;min-height:10rem;border-radius:inherit;background:rgba(248,250,255,.9);color:var(--ink,#17213b);text-align:center;cursor:progress;backdrop-filter:blur(2px)}
.invoice-processing-overlay[hidden]{display:none!important}
.processing-hourglass{display:block;font-size:2.4rem;line-height:1;animation:processing-hourglass 1.2s ease-in-out infinite}
@keyframes processing-hourglass{0%,100%{transform:rotate(0deg) scale(1)}50%{transform:rotate(180deg) scale(1.08)}}
.batch-preview{position:sticky;top:18px;min-width:0;padding:14px;border:1px solid var(--line);border-radius:18px;background:#f7f8fc}
.batch-preview object,.batch-preview img{display:block;width:100%;height:68dvh;object-fit:contain;border:0;border-radius:10px;background:#fff}
.batch-import-actions{display:flex;align-items:center;justify-content:flex-end;gap:16px;margin-top:14px}.batch-status{display:inline-flex;align-items:center;gap:5px}.batch-status.warning{color:var(--danger,#c83248);font-weight:800}.batch-invoice-panel input[data-batch-select]{width:20px;height:20px;accent-color:var(--primary)}
.warning-row{background:#fff1f2}

@media(max-width:860px){
  .batch-invoice-panel{grid-template-columns:1fr}.batch-preview{position:static}.batch-preview object,.batch-preview img{height:60dvh}
  .message-workspace{grid-template-columns:1fr;max-height:none}
  .message-workspace>.message-topics{max-height:36dvh;border-right:0;border-bottom:1px solid var(--line)}
  .message-workspace>.conversation-main{min-height:520px;max-height:80dvh}
  .chat-compose-form{grid-template-columns:1fr!important}
  .chat-compose-form>.chat-message-input,.chat-compose-form>.chat-attachment,.chat-compose-form>button,.property-chat-compose>.chat-tenancy-input{grid-column:1}
  .chat-compose-form>button{width:100%}
}