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9px;border:none;border-radius:6px;background:transparent;font-size:13px;color:var(--text);cursor:pointer;text-align:left}.folder-item:hover{background:var(--surface-alt)}.folder-item.active{background:var(--accent-soft);color:var(--accent);font-weight:600}.folder-item.drop-target{outline:2px solid var(--accent);outline-offset:-2px;background:var(--accent-soft)}.folder-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.folder-count{font-size:11px;font-weight:600;background:var(--accent);color:var(--accent-text);border-radius:999px;padding:1px 7px}.mail-list{position:relative;width:380px;flex:none;overflow-y:auto;overflow-x:hidden;overscroll-behavior-y:contain;border-right:1px solid var(--border)}.mail-pull-refresh{position:absolute;z-index:5;top:0;left:0;display:flex;align-items:center;justify-content:center;gap:8px;width:100%;height:44px;border-bottom:1px solid var(--border);background:var(--surface-alt);color:var(--text-muted);font-size:12px;opacity:0;pointer-events:none;transition:transform .16s ease,opacity .12s ease}.mail-pull-refresh.visible{opacity:1}.mail-row{position:relative;display:flex;gap:10px;width:100%;padding:10px 12px;border:none;border-bottom:1px solid var(--border);background:transparent;text-align:left;cursor:pointer;touch-action:pan-y;transition:transform .16s ease,background-color .12s ease}.mail-row.swiping{transition:none}.mail-row[data-swipe-action]:after{position:absolute;top:50%;padding:4px 8px;border-radius:999px;color:#fff;font-size:11px;font-weight:700;transform:translateY(-50%);content:attr(data-swipe-action);pointer-events:none}.mail-row[data-swipe-action=Delete]{box-shadow:inset 5px 0 var(--danger)}.mail-row[data-swipe-action=Delete]:after{left:8px;background:var(--danger)}.mail-row[data-swipe-action=Archive]{box-shadow:inset -5px 0 var(--accent)}.mail-row[data-swipe-action=Archive]:after{right:8px;background:var(--accent)}.mail-row:hover{background:var(--surface-alt)}.mail-row.selected{background:var(--accent-soft)}.mail-row.checked{background:color-mix(in srgb,var(--accent-soft) 62%,var(--surface));box-shadow:inset 3px 0 var(--accent)}.mail-select-wrap{display:grid;place-items:center;flex:none;width:28px;height:38px;margin:-4px -4px 0;cursor:pointer}.mail-select{width:17px;height:17px;margin:0;accent-color:var(--accent);cursor:pointer}.mail-folder-tag{flex:none;padding:1px 6px;border-radius:999px;background:var(--surface-alt);border:1px solid var(--border);font-size:10px;color:var(--text-muted);white-space:nowrap;max-width:90px;overflow:hidden;text-overflow:ellipsis}.mail-row.unread .mail-from,.mail-row.unread .mail-subject{font-weight:650}.mail-avatar{flex:none;width:30px;height:30px;border-radius:50%;background:var(--surface-alt);color:var(--text-muted);display:flex;align-items:center;justify-content:center;font-size:11px;font-weight:600;position:relative;overflow:hidden}.mail-avatar-photo{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;border-radius:50%}.mail-row-main{flex:1;min-width:0;display:flex;flex-direction:column;gap:1px}.mail-row-top{display:flex;justify-content:space-between;gap:8px}.mail-from{font-size:13px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-date{font-size:11px;color:var(--text-muted);flex:none}.mail-subject{font-size:13px;color:var(--text);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-verb{margin-right:5px;font-size:12px;font-weight:400;color:var(--text-muted)}.mail-preview{font-size:12px;color:var(--text-muted);overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-flag{flex:none;color:#d5d8dd;font-size:15px;cursor:pointer}.mail-flag.on{color:#eda100}.mail-reader{flex:1;display:flex;flex-direction:column;min-width:0;overflow-y:auto}.reader-header{padding:16px 20px 12px;border-bottom:1px solid var(--border)}.reader-header h1{margin:0 0 8px;font-size:18px}.reader-meta{display:flex;flex-wrap:wrap;gap:10px;font-size:12px;color:var(--text-muted);margin-bottom:10px}.reader-recipients{margin:-4px 0 10px;font-size:12px}.reader-recipient-row{display:flex;gap:8px;line-height:1.5}.reader-recipient-label{flex:none;width:22px;color:var(--text-muted)}.reader-recipient-list{color:var(--text-muted);min-width:0;word-break:break-word}.reader-actions{display:flex;gap:6px;flex-wrap:wrap}.reader-frame{flex:none;display:block;width:100%;border:none;background:var(--surface)}.remote-banner{display:flex;align-items:center;gap:12px;margin-top:12px;padding:9px 12px;border-radius:6px;background:#e374001a;color:#8a4b00;font-size:12px}.attachments{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}.attachment{display:flex;flex-direction:column;padding:6px 10px;border:1px solid var(--border);border-radius:6px;text-decoration:none;color:var(--text);font-size:12px}.attachment:hover{background:var(--surface-alt)}.attachment-size{color:var(--text-muted);font-size:10px}.mail-search{height:26px;min-width:180px;padding:0 9px;border:1px solid var(--border);border-radius:6px;font-size:12px}.mail-hint{padding:20px;color:var(--text-muted);font-size:13px}.mail-searching{display:flex;align-items:center;gap:8px}.mail-search-spinner{width:13px;height:13px;flex:none;border:2px solid color-mix(in srgb,var(--text-muted) 28%,transparent);border-top-color:var(--accent);border-radius:50%;animation:mail-search-spin .75s linear infinite}@keyframes mail-search-spin{to{transform:rotate(360deg)}}@media(prefers-reduced-motion:reduce){.mail-search-spinner{animation:none}}.mail-user{font-size:12px;color:var(--text-muted)}.mail-error{font-size:12px;color:var(--danger)}.mail-selection-count{flex:none;padding:3px 9px;border-radius:999px;background:var(--accent-soft);color:var(--accent);font-size:12px;font-weight:650;white-space:nowrap}.tool.danger{color:var(--danger)}.compose{width:620px;max-width:92vw}.compose-field{display:flex;align-items:center;gap:8px;margin-bottom:6px}.compose-field label{width:56px;font-size:12px;color:var(--text-muted)}.compose-field input{flex:1;height:30px;padding:0 9px;border:1px solid var(--border);border-radius:6px;font-size:13px}.recipient-control{position:relative;flex:1;display:flex}.recipient-control input{width:100%}.recipient-suggestions,.mention-suggestions{z-index:10;margin:0;padding:4px;list-style:none;background:var(--surface);border:1px solid var(--border);border-radius:8px;box-shadow:0 6px 20px #0000001f;max-height:216px;overflow-y:auto}.recipient-suggestions{position:absolute;top:calc(100% + 2px);left:0;right:0}.mention-suggestions{position:fixed;min-width:200px;max-width:320px}.recipient-suggestions li,.mention-suggestions li{display:flex;align-items:baseline;gap:8px;padding:6px 8px;border-radius:6px;cursor:pointer}.recipient-suggestions li.active,.mention-suggestions li.active{background:var(--surface-alt)}.recipient-name{font-size:13px;color:var(--text)}.recipient-address{font-size:12px;color:var(--text-muted)}.compose-inline{flex:none;padding:12px 20px 14px;border-bottom:1px solid var(--border);background:var(--surface-alt)}.compose-inline-head{display:flex;align-items:baseline;gap:8px;margin-bottom:8px;font-size:13px}.compose-inline-from{font-size:12px;color:var(--text-muted)}.compose-inline .richtext-surface{min-height:110px;max-height:none;overflow-y:visible}.richtext{margin-top:8px;border:1px solid var(--border);border-radius:6px;overflow:hidden;background:var(--surface)}.richtext-toolbar{display:flex;flex-wrap:wrap;gap:2px;padding:4px 6px;border-bottom:1px solid var(--border);background:var(--surface-alt)}.richtext-button{min-width:26px;height:24px;padding:0 6px;border:1px solid transparent;border-radius:4px;background:transparent;color:var(--text);font-size:12px;cursor:pointer}.richtext-button:hover{background:var(--surface);border-color:var(--border)}.richtext-surface{min-height:160px;max-height:340px;overflow-y:auto;padding:10px;font-size:13px;line-height:1.55;outline:none}.richtext-surface img{max-width:100%;height:auto}.richtext-surface .mention a{color:var(--accent)!important}.richtext-surface blockquote{margin:6px 0 6px 8px;padding-left:10px;border-left:3px solid var(--border);color:var(--text-muted)}.compose-quoted{margin-top:10px;border:1px solid var(--border);border-radius:6px;background:var(--surface-alt)}.compose-quoted summary{padding:6px 10px;font-size:12px;color:var(--text-muted);cursor:pointer}.compose-quoted-body{max-height:260px;overflow:auto;padding:0 10px 10px;font-size:13px}.compose-quoted-body img{max-width:100%;height:auto}.compose-body{width:100%;margin-top:8px;font-family:inherit;font-size:13px;line-height:1.6;resize:vertical}.compose-attach{margin-top:10px}.compose-attach input[type=file]{flex:1;font-size:12px;color:var(--text-muted)}.compose-attach-hint{font-size:11px;color:var(--text-muted)}.compose-file-drop{position:relative;box-shadow:inset 0 0 0 2px var(--accent)}.compose-file-drop:after{content:"Drop files to attach";position:absolute;z-index:20;inset:8px;display:grid;place-items:center;border:2px dashed var(--accent);border-radius:8px;background:color-mix(in srgb,var(--surface) 88%,transparent);color:var(--accent);font-size:15px;font-weight:600;pointer-events:none}.compose-attachments{list-style:none;margin:8px 0 0;padding:0}.compose-attachments li{display:flex;align-items:center;gap:8px;padding:4px 0;font-size:12px}.compose-attachment-name{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.compose-attachment-total{color:var(--text-muted)}.compose-attachment-remove{margin-left:auto;width:20px;height:20px;border:1px solid var(--border);border-radius:4px;background:none;color:var(--text-muted);cursor:pointer;line-height:1}.compose-attachment-remove:hover{color:var(--danger);border-color:var(--danger)}.compose-actions{display:flex;gap:8px;margin-top:10px}.compose-actions .signin-submit{width:auto;padding:0 22px}.compose-actions .modal-close{width:auto;padding:0 18px;margin-top:0}.ms-signin{display:flex;align-items:center;justify-content:center;gap:10px;width:100%;height:40px;margin-bottom:8px;border:1px solid #8c8c8c;border-radius:6px;background:#fff;color:#5e5e5e;font-size:14px;font-weight:600;cursor:pointer}.ms-signin:hover{background:#f3f3f3}.ms-logo{display:grid;grid-template-columns:9px 9px;grid-template-rows:9px 9px;gap:2px;flex:none}.ms-logo span{display:block;width:9px;height:9px}.or-divider{display:flex;align-items:center;gap:10px;margin:16px 0 12px;color:var(--text-muted);font-size:11px}.or-divider:before,.or-divider:after{content:"";flex:1;height:1px;background:var(--border)}.sheet-tabs{display:flex;align-items:stretch;gap:2px;flex:none;height:30px;padding:0 8px;border-top:1px solid var(--border);background:var(--surface-alt);overflow-x:auto}.sheet-tab button,.sheet-add{height:100%;padding:0 14px;border:none;background:transparent;color:var(--text-muted);font-size:12px;cursor:pointer;white-space:nowrap;border-top:2px solid transparent}.sheet-tab button:hover,.sheet-add:hover{background:#0000000a}.sheet-tab.active button{background:var(--surface);color:var(--text);font-weight:600;border-top-color:var(--accent)}.sheet-add{padding:0 11px;font-size:16px;line-height:1}.sheet-rename{height:100%;width:110px;padding:0 8px;border:1px solid var(--accent);border-radius:4px;font-size:12px}.find-bar{display:flex;gap:6px;align-items:center;padding:6px 8px;border-bottom:1px solid var(--border);background:var(--surface)}.find-input{padding:4px 8px;border:1px solid var(--border);border-radius:4px;font:inherit;min-width:160px}.myday{flex:none;width:260px;display:flex;flex-direction:column;min-height:0;border-left:1px solid var(--border);background:var(--surface-alt)}.myday-head{display:flex;align-items:center;justify-content:space-between;gap:4px;padding:10px 12px 6px}.myday-month{font-size:13px;font-weight:600}.myday-nav{width:22px;height:22px;border:1px solid transparent;border-radius:5px;background:transparent;color:var(--text-muted);font-size:14px;line-height:1;cursor:pointer}.myday-nav:hover{background:var(--surface);border-color:var(--border)}.myday-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:1px;padding:0 8px 8px}.myday-weekday{text-align:center;font-size:10px;font-weight:600;color:var(--text-muted);padding-bottom:2px}.myday-day{position:relative;aspect-ratio:1;border:1px solid transparent;border-radius:6px;background:transparent;color:var(--text);font-size:11px;cursor:pointer}.myday-day:hover{background:var(--surface);border-color:var(--border)}.myday-day.outside{color:var(--text-muted);opacity:.45}.myday-day.today{font-weight:700;color:var(--accent);border-color:var(--accent)}.myday-day.selected{background:var(--accent);color:var(--accent-text);border-color:var(--accent)}.myday-day.has-events:after{content:"";position:absolute;left:50%;bottom:3px;width:3px;height:3px;margin-left:-1.5px;border-radius:50%;background:var(--accent)}.myday-day.selected.has-events:after{background:var(--accent-text)}.myday-list{flex:1;min-height:0;overflow-y:auto;padding:4px 12px 12px;border-top:1px solid var(--border)}.myday-heading{margin:8px 0 6px;font-size:11px;font-weight:700;text-transform:uppercase;letter-spacing:.04em;color:var(--text-muted)}.myday-empty{margin:4px 0;font-size:12px;color:var(--text-muted)}.myday-meeting{padding:7px 0;border-bottom:1px solid var(--border)}.myday-meeting:last-child{border-bottom:none}.myday-when{font-size:11px;font-weight:600;color:var(--accent)}.myday-subject{font-size:12px;line-height:1.35}.myday-where{font-size:11px;color:var(--text-muted)}.myday-meeting.cancelled .myday-subject{text-decoration:line-through;color:var(--text-muted)}.myday-join{margin-top:4px;padding:2px 10px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--accent);font-size:11px;cursor:pointer}.myday-join:hover{background:var(--accent-soft)}.myday{transition:width .12s ease}.myday.collapsed{width:34px;background:var(--surface-alt)}.myday-rail{display:flex;flex-direction:column;align-items:center;gap:6px;width:100%;padding:10px 2px;border:none;background:transparent;color:var(--text-muted);cursor:pointer}.myday-rail:hover{background:var(--surface)}.myday-rail-icon{font-size:15px;line-height:1}.myday-rail-next{writing-mode:vertical-rl;font-size:10px;font-weight:600;color:var(--accent);letter-spacing:.02em}.myday-collapse{margin-left:4px}@media(max-width:800px){.mail-app{min-height:100dvh}.mail-app>.toolbar{height:42px;gap:8px;padding:0 10px}.mail-app>.toolbar .mail-user,.mail-app>.toolbar .theme-toggle,.mail-app>.toolbar>.tool{display:none}.mail-app>.toolbar-row{height:42px;padding-inline:6px}.mail-app>.toolbar-row>*{flex:none;white-space:nowrap}.mail-app .mail-day-toggle,.mail-app .myday{display:none}.mail-body{position:relative;width:100%}.mail-folders,.mail-reader{display:none}.mail-list{display:block;width:100%;flex:1;border-right:0}.mail-body.mail-reading:not(.mail-folders-open) .mail-list{display:none}.mail-body.mail-reading:not(.mail-folders-open) .mail-reader{display:flex;width:100%}.mail-body.mail-folders-open .mail-list,.mail-body.mail-folders-open .mail-reader{display:none}.mail-body.mail-folders-open .mail-folders{display:block;width:100%;padding:8px;border-right:0}.mail-body.mail-folders-open .mail-folders.collapsed{width:100%;overflow-y:auto}.folders-collapse{display:none}.reader-mobile-back{display:inline-flex;align-items:center;min-height:32px;margin:0 0 8px;padding:0 4px;border:0;background:transparent;color:var(--accent);font:inherit;cursor:pointer}.mobile-folder-close{margin-left:4px;font-size:13px}.reader-header{padding:10px 12px 12px}.reader-header h1{font-size:17px}.compose-inline{padding:10px 12px 14px}.compose-field{flex-wrap:wrap}.compose-field label{width:40px}.compose-attach-hint{flex-basis:100%;margin-left:48px}.modal.compose{width:calc(100vw - 20px);max-height:calc(100dvh - 20px)}}.chat-body{flex:1;display:flex;min-height:0}.chat-list{flex:none;width:220px;padding:8px;border-right:1px solid var(--border);overflow-y:auto;display:flex;flex-direction:column;gap:2px}.chat-new{margin-bottom:8px}.chat-signout{width:auto;margin-top:0;padding:0 10px}.chat-thread{flex:1;display:flex;flex-direction:column;min-width:0}.chat-thread-head{display:flex;align-items:center;gap:8px;padding:10px 14px;border-bottom:1px solid var(--border);font-size:13px}.chat-messages{flex:1;min-height:0;overflow-y:auto;padding:14px;display:flex;flex-direction:column;gap:10px}.chat-group{display:flex;flex-direction:column;gap:3px;align-items:flex-start;max-width:70%}.chat-group.mine{align-self:flex-end;align-items:flex-end}.chat-group-head{display:flex;gap:8px;align-items:baseline;padding:0 4px}.chat-author{font-size:12px;font-weight:600;color:var(--text)}.chat-time{font-size:11px;color:var(--text-muted)}.chat-bubble{padding:7px 11px;border-radius:12px;background:var(--surface-alt);font-size:13px;line-height:1.5;white-space:pre-wrap;overflow-wrap:anywhere}.chat-group.mine .chat-bubble{background:var(--accent-soft);color:var(--text)}.chat-composer{flex:none;display:flex;gap:8px;align-items:flex-end;padding:10px 14px;border-top:1px solid var(--border)}.chat-input{flex:1;min-height:38px;max-height:140px;padding:9px 11px;border:1px solid var(--border);border-radius:8px;background:var(--surface);color:var(--text);font:inherit;font-size:13px;resize:vertical}.chat-composer .signin-submit{width:auto;margin-top:0;padding:0 16px;height:38px}.call-bar{display:flex;align-items:center;gap:8px}.call-start{height:26px;padding:0 12px;border:1px solid var(--border);border-radius:999px;background:var(--surface);color:var(--accent);font-size:12px;font-weight:600;cursor:pointer}.call-start:hover{background:var(--surface-alt)}.call-panel{display:flex;flex-direction:column;gap:8px;padding:10px 14px;border-bottom:1px solid var(--border);background:var(--surface-alt)}.call-videos{position:relative;display:flex;gap:8px;align-items:stretch;min-height:180px}.call-remote{flex:1;min-width:0;max-height:320px;border-radius:10px;background:#000;object-fit:cover}.call-local{flex:none;width:140px;max-height:320px;border-radius:10px;background:#000;object-fit:cover;transform:scaleX(-1)}.call-status{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;border-radius:10px;background:#00000073;color:#fff;font-size:13px;font-weight:600}.call-controls{display:flex;gap:6px}.call-toggle,.call-accept,.call-end{height:30px;padding:0 14px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text);font-size:12px;font-weight:600;cursor:pointer}.call-toggle[aria-pressed=true]{background:var(--accent-soft);color:var(--accent)}.call-accept{background:var(--ok);border-color:var(--ok);color:#fff}.call-end{background:var(--danger);border-color:var(--danger);color:#fff}.call-notice{margin:0;font-size:12px;color:var(--text-muted)}.call-warning{margin:0;font-size:12px;color:var(--warn)}.meeting-panel{display:flex;flex-direction:column;gap:8px;padding:10px 14px;border-bottom:1px solid var(--border);background:var(--surface-alt)}.meeting-grid{display:grid;gap:8px;max-height:380px}.meeting-tile{position:relative;min-width:0}.meeting-video{width:100%;aspect-ratio:4 / 3;border-radius:10px;background:#000;object-fit:cover}.meeting-video.mine{transform:scaleX(-1)}.meeting-label{position:absolute;left:6px;bottom:6px;padding:2px 7px;border-radius:999px;background:#0000008c;color:#fff;font-size:11px;font-weight:600}.meeting-connecting{position:absolute;inset:0;display:flex;align-items:center;justify-content:center;color:#fff;font-size:12px}.meeting-controls{display:flex;align-items:center;gap:6px}.mail-thread-row{cursor:pointer}.mail-twisty{flex:none;width:18px;align-self:center;text-align:center;font-size:17px;line-height:1;color:var(--text-muted);transition:transform .12s ease,color .12s ease}.mail-thread-row:hover .mail-twisty{color:var(--text)}.mail-thread-row.expanded .mail-twisty{transform:rotate(90deg);color:var(--text)}.mail-twisty-spacer{flex:none;width:18px}.mail-thread-count{flex:none;min-width:18px;padding:0 5px;border-radius:999px;background:var(--surface-alt);font-size:11px;font-weight:600;color:var(--text-muted);text-align:center}.mail-thread-row.unread .mail-from,.mail-thread-row.unread .mail-subject{font-weight:650}.mail-thread-row.unread .mail-thread-count{background:var(--accent);color:var(--accent-text)}.mail-thread-row.expanded{background:var(--surface-alt);border-bottom-color:transparent}.mail-row.in-thread{padding-left:66px;background:var(--surface-alt);position:relative}.mail-row.in-thread .mail-subject{color:var(--text-muted)}.mail-row.in-thread:before{content:"";position:absolute;left:12px;top:0;bottom:0;width:2px;background:var(--accent);opacity:.5}.mail-row.in-thread:not(:has(+.mail-row.in-thread)):before{bottom:50%}.mail-row.in-thread.selected{background:var(--accent-soft)}.mail-tool{height:26px;padding:0 10px;border:1px solid var(--border);border-radius:6px;background:var(--surface);color:var(--text-muted);font-size:12px;cursor:pointer}.mail-tool:hover{background:var(--surface-alt)}.mail-tool.active{background:var(--accent-soft);border-color:var(--accent);color:var(--accent);font-weight:600}.mail-mention-badge{margin-right:5px;padding:0 4px;border-radius:4px;background:var(--accent-soft);color:var(--accent);font-size:11px;font-weight:700}.mail-row.in-thread .mail-folder-tag{margin-left:auto}.meeting-video.sharing{transform:none;object-fit:contain;background:#000}