.workspace-shell { --right-rail-width: 0px; grid-template-columns: var(--left-rail-width, 238px) minmax(0, 1fr); }
.workspace-shell > .workspace-command-band { display: none; }
.workspace-shell .main { min-width: 0; }
.workspace-shell .composer-attach { position: relative; overflow: hidden; }
.workspace-shell .composer-attach input[type="file"] { width: 1px; min-width: 1px; height: 1px; min-height: 1px; top: 0; left: 0; }
.workspace-shell .composer-attach .sr-only { top: 0; left: 0; }
.workspace-command-band { margin: 0 0 18px; padding: 9px 0 12px; border-top: 1px solid var(--line); border-bottom: 1px solid var(--line); }
.workspace-command-band[hidden], [data-workspace-tools][hidden] { display: none; }
.workspace-primary-actions { display: flex; flex-wrap: wrap; align-items: center; gap: 8px; }
.workspace-command-band .button, .workspace-command-band button { display: inline-flex; align-items: center; justify-content: center; gap: 6px; min-height: 34px; font-size: 13px; width: auto; margin: 0; }
.workspace-command-band svg, .workspace-dialog-header svg, .thread-reply-button svg { width: 16px; height: 16px; display: block; }
.workspace-tools-group { display: contents; }
[data-workspace-tools] { margin-top: 8px; }
[data-workspace-tools]:empty { display: none; }
.workspace-command-band .rail-form, .workspace-command-band .file-filter-strip { display: flex; flex-wrap: wrap; align-items: end; gap: 8px; width: 100%; margin: 8px 0 0; padding: 0; border: 0; border-radius: 0; background: transparent; }
.workspace-command-band label { display: grid; gap: 4px; margin: 0; width: auto; font-size: 12px; min-width: 100px; }
.workspace-command-band input, .workspace-command-band select { min-height: 33px; font-size: 13px; width: auto; min-width: 110px; max-width: 260px; }
.workspace-command-band input[type="checkbox"] { min-width: 0; width: auto; }
.workspace-command-band .file-tools-top { justify-content: flex-start; }
.workspace-command-band .upload-menu-options { z-index: 100; }
.workspace-command-band .upload-destination-note { color: var(--muted); font-size: 12px; }
.workspace-command-band .file-upload-form input[type="file"] { display: none; }
.workspace-command-band [data-file-selection-bar][hidden] { display: none; }
.workspace-dialog { color: var(--ink); background: var(--surface); border: 1px solid var(--line-strong); border-radius: 7px; width: min(820px, calc(100vw - 32px)); max-width: none; max-height: calc(100dvh - 48px); padding: 0; overflow: auto; }
.workspace-dialog::backdrop { background: rgba(0, 0, 0, .58); }
.workspace-dialog-header, .workspace-dialog-footer { display: flex; align-items: center; justify-content: space-between; gap: 12px; padding: 17px 22px; background: var(--surface); }
.workspace-dialog-header { border-bottom: 1px solid var(--line); position: sticky; top: 0; z-index: 5; }
.workspace-dialog-header h2 { margin: 0; font-size: 20px; line-height: 1.3; font-weight: 600; }
.workspace-dialog-footer { border-top: 1px solid var(--line); justify-content: flex-end; }
.workspace-dialog-body { padding: 20px 22px; min-width: 0; }
.workspace-dialog .workspace-icon-button { width: 32px; min-height: 32px; padding: 7px; }
.workspace-dialog .rail-panel { border: 0; border-radius: 0; box-shadow: none; background: transparent; padding: 0; margin: 0 0 20px; }
.workspace-dialog .rail-panel:last-child { margin-bottom: 0; }
.workspace-dialog .rail-form { display: grid; gap: 12px; margin: 14px 0; width: 100%; }
.workspace-dialog .rail-form label { display: grid; gap: 5px; margin: 0; color: var(--muted); min-width: 0; font-size: 13px; }
.workspace-dialog input:not([type="checkbox"]):not([type="radio"]), .workspace-dialog select, .workspace-dialog textarea { width: 100%; min-width: 0; }
.workspace-dialog .rail-form button, .workspace-dialog .rail-form .button { width: auto; justify-self: start; }
.workspace-dialog h2 { font-size: 20px; }
.workspace-dialog h3 { font-size: 15px; margin: 18px 0 9px; }
.workspace-dialog dl { display: grid; grid-template-columns: minmax(100px, .35fr) minmax(0, 1fr); gap: 9px 18px; font-size: 13px; margin: 14px 0 20px; }
.workspace-dialog dt { color: var(--muted); }
.workspace-dialog dd { margin: 0; overflow-wrap: anywhere; }
.workspace-dialog .file-preview { max-height: 380px; overflow: auto; margin: 0 0 15px; }
.workspace-dialog .file-preview img { max-width: 100%; height: auto; }
.workspace-dialog iframe { max-width: 100%; }
.workspace-dialog .rich-composer { min-width: 0; }
.workspace-dialog .rich-editor { min-height: 130px; max-height: 35vh; }
.workspace-dialog .rail-kicker { font-size: 12px; color: var(--muted); margin: 0 0 8px; }
.workspace-dialog .direct-message-form { display: grid; gap: 13px; }
.workspace-shell .ai-panel, .workspace-shell .mobile-context-button, .workspace-shell .mobile-context-toggle, .workspace-shell .right-rail-handle { display: none; }
.inline-message-thread { flex: 0 0 auto; min-width: 0; border-bottom: 1px solid var(--line); padding-bottom: 8px; }
.inline-message-thread > .message { border-bottom: 0; margin-bottom: 0; }
.inline-thread-actions { padding: 0 0 0 48px; display: flex; gap: 8px; }
.thread-reply-button { display: inline-flex; align-items: center; gap: 5px; color: var(--link); background: transparent; border: 0; padding: 3px 0; min-height: 28px; font-size: 12px; }
.workspace-shell .inline-thread-actions .thread-reply-button, .workspace-shell .inline-thread-body > .thread-reply-button { color: var(--link); background: transparent; border: 0; box-shadow: none; padding: 3px 0; }
.inline-thread-replies { margin: 2px 0 5px 48px; }
.inline-thread-replies[data-reply-count="0"]:not([open]) { display: none; }
.inline-thread-replies > summary { cursor: pointer; font-size: 12px; color: var(--link); padding: 4px 0; width: fit-content; }
.inline-thread-replies > .inline-thread-body { margin-top: 8px; border-left: 2px solid var(--line-strong); padding-left: 16px; }
.inline-thread-replies .comm-message { padding: 12px 0; margin: 0; }
.inline-reply-composer { margin: 10px 0; min-width: 0; }
.inline-reply-composer:empty { display: none; }
.inline-reply-composer .composer { padding: 0; border: 0; margin: 0; }
.inline-reply-composer .rich-editor { min-height: 80px; max-height: 220px; }
.inline-reply-composer .rich-toolbar[hidden] { display: none; }
.thread-tombstone { color: var(--muted); font-size: 13px; padding: 12px; }
.thread-composer-title { display: flex; justify-content: space-between; align-items: center; color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.thread-load-error { color: var(--danger); font-size: 13px; }
.task-archive-row { display: flex; flex-wrap: wrap; gap: 9px; align-items: center; padding: 12px 0; border-bottom: 1px solid var(--line); }
.task-archive-row > span { flex: 1 1 220px; }
@media (min-width: 901px) {
    body[data-view="communications"] .workspace-shell .main:has(> [data-comm-shell]) { display: flex; flex-direction: column; overflow: hidden; }
    body[data-view="communications"] .workspace-shell .main > [data-comm-shell] { flex: 1 1 auto; min-height: 0; max-height: none; height: auto; }
    body[data-view="communications"] .workspace-shell .page-head, body[data-view="communications"] .workspace-shell .workspace-command-band, body[data-view="communications"] .workspace-shell .communications-tabs { flex-shrink: 0; }
}
@media (max-width: 900px) {
    .workspace-shell { grid-template-columns: minmax(0, 1fr); }
    .workspace-command-band .rail-form label { flex: 1 1 130px; }
    .workspace-command-band input, .workspace-command-band select { max-width: 100%; width: 100%; }
    .workspace-dialog { max-height: calc(100dvh - 24px); width: calc(100vw - 16px); }
    .workspace-dialog-body, .workspace-dialog-header, .workspace-dialog-footer { padding: 14px; }
    .workspace-dialog dl { grid-template-columns: 100px minmax(0, 1fr); gap: 8px; }
    .inline-thread-actions { padding-left: 0; }
    .inline-thread-replies { margin-left: 10px; }
    .inline-thread-replies > .inline-thread-body { padding-left: 10px; }
}