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8px;color:#1f2937;font-weight:850}.provider-heading:hover{background:#f8fafc}.provider-heading svg{color:#728097;transition:transform .16s ease}.provider-heading svg.open{transform:rotate(0)}.provider-heading svg:not(.open){transform:rotate(-90deg)}.quick-menu button{grid-template-columns:18px 1fr auto}.provider-logo{width:22px;height:22px;display:grid;place-items:center;border-radius:7px;overflow:hidden;color:#fff;font-size:10px;font-weight:900}.provider-logo svg{width:100%;height:100%;display:block}.provider-logo.provider-outlook{background:transparent}.provider-logo.provider-163{background:#dc2626}.provider-logo.provider-gmail,.provider-logo.provider-qq{background:#fff;box-shadow:inset 0 0 0 1px #e5e7eb}.provider-logo.provider-imap{background:#0f766e}.compact-list{gap:7px}.mailbox-row-wrap{position:relative;box-sizing:border-box;width:calc(100% - 6px);max-width:calc(100% - 6px);min-width:0;min-height:60px;margin-right:6px;border:1px solid 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.edit-mailbox{opacity:1}.mailbox-order-actions{position:absolute;right:8px;bottom:8px;width:52px;display:flex;align-items:center;justify-content:center;gap:2px;opacity:.62;transition:opacity .15s ease}.mailbox-row-wrap:hover .mailbox-order-actions,.mailbox-row-wrap.active .mailbox-order-actions{opacity:1}.mailbox-order-actions button{width:18px;height:18px;display:flex;align-items:center;justify-content:center;padding:0;border:1px solid #e2e8f0;border-radius:6px;color:#64748b;background:#fffffff0;line-height:0}.mailbox-order-actions button:hover{color:#3444c5;border-color:#cfd8ff;background:#f8faff}.edit-mailbox:hover{color:#3444c5;background:#eef2ff}.mailbox-edit-panel{margin:0 6px 8px;padding:8px;display:grid;gap:7px;border:1px solid #dbe2ff;border-radius:8px;background:#fbfcff}.mailbox-edit-panel input{height:32px;font-size:12px}.mailbox-edit-panel div{display:grid;grid-template-columns:1fr 1fr;gap:7px}.mailbox-edit-panel button{height:30px;border:1px solid #dce5f0;border-radius:7px;color:#334155;background:#fff;font-size:12px;font-weight:800}.mailbox-edit-panel button:first-child{color:#fff;border-color:#3444c5;background:#3444c5}.empty-provider{padding:8px 10px;color:#94a3b8;font-size:12px}.provider-group-skeleton{pointer-events:none}.skeleton-provider-heading{border-color:transparent}.skeleton-chevron{width:14px;height:14px}.skeleton-line.provider-name{width:72px}.skeleton-line.provider-count{width:16px}.skeleton-mailbox-row{min-height:58px}.skeleton-line.mailbox-name{width:86px}.skeleton-line.mailbox-address{width:128px;margin-top:8px}.skeleton-line.mailbox-count{width:16px}.mature-list{grid-template-rows:auto auto 1fr}.mail-list-status{min-height:38px;padding:0 14px;display:flex;align-items:center;justify-content:space-between;gap:12px;border-bottom:1px solid #edf1f6;color:#708096;font-size:12px;overflow:hidden}.mail-list-status span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mail-list-status span:first-child{flex:0 0 auto}.mail-list-status span:last-child{flex:1 1 auto;justify-content:flex-end;text-align:right}.mail-list-status.updating{color:#3344c5;background:linear-gradient(90deg,#eff6ffc7,#f0fdfab8)}.mail-list-status.updating span:last-child{display:inline-flex;align-items:center;gap:6px;font-weight:820}.mail-list-status.updating span:last-child:before{content:"";width:6px;height:6px;border-radius:999px;background:#14b8a6;box-shadow:0 0 0 4px #14b8a61f;animation:statusPulse 1.3s ease-in-out infinite}.message-tags{width:42px;min-height:24px;display:flex;flex-direction:column;align-items:flex-end;justify-items:end;gap:6px;margin-top:2px;overflow:hidden}.message-tags b{padding:3px 6px;border-radius:999px;color:#9a3412;background:#ffedd5;font-size:11px}.message-tags b.pin-tag{color:#7c3d00;background:#fff4d8}.message-tags i{width:7px;height:7px;border-radius:999px;background:#3444c5}.message-row.pinned{border-color:#f8dc92;background:linear-gradient(90deg,#fff7e0eb,#fffffff5 44%),#fff;box-shadow:inset 3px 0 #f4b63f}.message-row.pinned.active{border-color:#efc55f;background:linear-gradient(90deg,#fff4d8f5,#f6f8fffa 58%),#fff}.message-row.pinned .message-icon{color:#a16207;background:#fff4d8}.load-more-messages{min-height:40px;border:1px dashed #d8e1ef;border-radius:8px;color:#3444c5;background:#fbfcff;font-size:13px;font-weight:820;transition:transform .16s ease,border-color .16s ease,background .16s ease}.load-more-messages:hover{transform:translateY(-1px);border-color:#cfd8ff;background:#f6f8ff}.load-more-messages.loading{color:#3444c5;border-style:solid;background:linear-gradient(90deg,#f7f9ff,#eef2ff,#f7f9ff);background-size:200% 100%;animation:historyLoading 1.2s linear infinite}.load-more-messages.loaded,.load-more-messages.complete{color:#147d64;border-color:#147d6447;background:#f1fbf8}.load-more-messages.failed{color:#b42318;border-color:#b4231840;background:#fff7f6}@keyframes historyLoading{to{background-position:-200% 0}}.mature-detail{position:relative}.inline-user{margin-left:0}.user-popover{position:absolute;z-index:1000;top:48px;right:16px;width:252px;padding:12px;display:grid;gap:9px;border:1px solid #dbe2ff;border-radius:8px;background:#fff;box-shadow:0 18px 38px #0f172a1f;animation:viewEnter .16s ease}.user-popover-head{min-width:0;display:grid;grid-template-columns:34px 1fr;align-items:center;gap:9px}.user-avatar{width:34px;height:34px;display:grid;place-items:center;border-radius:8px;color:#fff;background:linear-gradient(135deg,#3444c5,#0f766e);font-size:14px;font-weight:900}.user-popover-head strong,.user-popover-head small{display:block}.user-popover-head small{margin-top:2px;color:#64748b;font-size:12px}.user-stats{padding:8px;display:grid;grid-template-columns:repeat(3,1fr);gap:8px;border:1px solid #edf1f6;border-radius:8px;background:#f8fafc}.user-stats span{display:grid;gap:2px;color:#64748b;font-size:11px;text-align:center}.user-stats strong{color:#172033;font-size:15px}.user-popover>div:not(.user-stats){display:flex;align-items:center;justify-content:space-between;gap:12px;color:#64748b;font-size:12px}.user-popover strong{color:#1f2937}.switch-row{display:flex;grid-template-columns:none;align-items:center;gap:8px;color:#334155;font-size:13px}.switch-row input{width:16px;height:16px}.retention-setting{padding:8px;display:grid;gap:8px;border:1px solid #edf1f6;border-radius:8px;background:#fbfcff}.retention-setting>span{color:#64748b;font-size:12px;font-weight:760}.retention-setting div{display:grid;grid-template-columns:1fr 1fr;gap:7px}.retention-setting button{height:30px;border:1px solid #e1e8f2;border-radius:8px;color:#475569;background:#fff;font-size:12px;font-weight:820}.retention-setting button.active{color:#3444c5;border-color:#cfd8ff;background:#f3f6ff;box-shadow:inset 0 -2px #5264ff}.user-popover small{color:#94a3b8;line-height:1.5}.popover-action{height:32px;border:1px solid #e1e8f2;border-radius:8px;color:#334155;background:#fff;font-size:12px;font-weight:820}.popover-action:hover{color:#3444c5;border-color:#cfd8ff;background:#f8faff}.topbar-popover{top:42px;right:0;width:520px;grid-template-columns:160px 1fr auto;align-items:center;gap:10px}.topbar-popover .user-popover-head{grid-template-columns:34px 1fr}.topbar-popover .user-stats{grid-template-columns:repeat(3,minmax(48px,1fr))}.topbar-popover .switch-row,.topbar-popover>small{justify-self:start}.settings-drawer-layer{position:fixed;top:0;right:0;bottom:0;left:0;z-index:1200;display:flex;justify-content:flex-end;pointer-events:none}.settings-drawer-backdrop{position:absolute;top:0;right:0;bottom:0;left:0;border:0;background:transparent;-webkit-backdrop-filter:none;backdrop-filter:none;pointer-events:auto}.system-settings-drawer{position:relative;z-index:1;width:min(360px,calc(100vw - 20px));height:calc(100vh - 20px);margin:10px;padding:14px;display:flex;flex-direction:column;gap:12px;overflow:auto;border:1px solid #dbe2ff;border-radius:10px;background:linear-gradient(180deg,#f8fafffa,#fffffff5),#fff;box-shadow:-18px 0 46px #0f172a2e;pointer-events:auto;animation:settingsDrawerIn .22s cubic-bezier(.2,.8,.2,1)}.settings-drawer-header{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:2px 0 4px}.settings-drawer-header span,.settings-section-title small,.sync-diagnostic 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p{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.add-mailbox{width:100%;height:38px;margin-bottom:12px;display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;color:#fff;background:#3344d6;font-size:13px;font-weight:800;box-shadow:0 12px 24px #3344d62e}.add-mailbox.compact{width:auto;min-width:116px;margin-bottom:0;padding:0 14px}.add-mailbox:hover,.primary-action:hover:not(:disabled),.secondary-action:hover:not(:disabled),.secondary-button:hover:not(:disabled){transform:translateY(-1px);box-shadow:0 16px 28px #3344d633}.form-grid.compact{grid-template-columns:minmax(0,1fr) 72px;gap:8px}.check-row{display:flex;align-items:center;gap:8px;color:#64748b}.check-row input{width:15px;height:15px}.secondary-action{min-height:36px;display:inline-flex;align-items:center;justify-content:center;gap:7px;border:0;border-radius:8px;color:#fff;background:#3344d6;font-size:13px;font-weight:820;transition:transform .17s cubic-bezier(.2,.8,.2,1),background .17s 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strong,.mailbox-row small{display:block;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mailbox-row small{margin-top:2px;color:#718096;font-size:12px}.mailbox-row small+small{color:#94a3b8}.mailbox-row em{color:#3444c5;font-style:normal;font-weight:800}.status-dot,.unread-dot{border-radius:50%}.status-dot{width:8px;height:8px;background:#22c55e}.status-dot.syncing{background:#38bdf8}.status-dot.auth_expired,.status-dot.connection_failed{background:#f97316}.status-dot.paused{background:#94a3b8}.search-box{height:34px;min-width:206px;padding:0 10px;display:flex;align-items:center;gap:7px;border:1px solid #e3e9f2;border-radius:8px;color:#7b8798;background:#f8fafc;font-size:12px}.search-box.active{border-color:#cfd8ff;background:#f6f8ff;box-shadow:0 0 0 3px #dbe2ff73}.clear-search{width:22px;height:22px;display:grid;place-items:center;flex:0 0 auto;border:0;border-radius:999px;color:#64748b;background:#e8edf7;font-size:15px;line-height:1;transition:background .15s 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