:root{--top-panel-height: 104px;--sidebar-width: 292px;--message-list-width: 430px;--pinned-composer-height: 440px;--workspace-gap: 14px;--accent-color: #006b76;--accent-faint: color-mix(in srgb, var(--accent-color) 8%, #ffffff);--accent-soft: color-mix(in srgb, var(--accent-color) 13%, #f7f8f5);--accent-hover: color-mix(in srgb, var(--accent-color) 17%, #e8ece7);--accent-selected: color-mix(in srgb, var(--accent-color) 18%, #fbfaf7);--accent-border: color-mix(in srgb, var(--accent-color) 42%, #cbd0ca);--accent-focus: color-mix(in srgb, var(--accent-color) 17%, transparent);--accent-ink: color-mix(in srgb, var(--accent-color) 76%, #172026);--accent-strong: color-mix(in srgb, var(--accent-color) 86%, #111827);--workspace-bg: color-mix(in srgb, var(--accent-color) 4%, #f3f0ea);--panel-bg: color-mix(in srgb, var(--accent-color) 4%, #ffffff);--panel-muted-bg: color-mix(in srgb, var(--accent-color) 7%, #edf2ee);--panel-elevated-bg: color-mix(in srgb, var(--accent-color) 2%, #ffffff);--account-list-bg: color-mix(in srgb, var(--accent-color) 9%, #ffffff);--mail-list-bg: color-mix(in srgb, var(--accent-color) 3.5%, #ffffff);--user-selected-row-bg: color-mix(in srgb, var(--accent-color) 18%, #ffffff);--reader-message-bg: color-mix(in srgb, var(--accent-color) 8%, #ffffff);--message-hover-bg: color-mix(in srgb, var(--accent-color) 11%, #ffffff);--policy-visual-color: var(--accent-color);--panel-border: color-mix(in srgb, var(--accent-color) 17%, #d4d8d2);--panel-divider: color-mix(in srgb, var(--accent-color) 12%, #e3e2dd);--panel-resizer-hover: color-mix(in srgb, var(--accent-color) 13%, #f7f8f5);--scrollbar-track: color-mix(in srgb, var(--accent-color) 7%, #e2e7e3);--scrollbar-thumb: color-mix(in srgb, var(--accent-color) 42%, #8ea09a);--scrollbar-thumb-hover: color-mix(in srgb, var(--accent-color) 55%, #657a73);color-scheme:light;font-family:Inter,Segoe 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minmax(0,1fr);grid-template-columns:var(--sidebar-width) 12px var(--message-list-width) 12px minmax(420px,1fr);height:100vh;min-height:620px;overflow:hidden;background:linear-gradient(180deg,#ffffffb8,#fff3),var(--workspace-bg)}.app-ribbon{position:relative;z-index:20;grid-column:1 / -1;display:grid;grid-template-rows:44px 74px;min-width:0;min-height:0;border-bottom:1px solid var(--panel-border);background:var(--panel-elevated-bg);box-shadow:0 1px 3px #141b1f14;overflow:visible}.ribbon-titlebar{display:grid;grid-template-columns:minmax(224px,248px) minmax(320px,680px) minmax(0,1fr);align-items:center;gap:14px;min-height:44px;padding:5px 16px;border-bottom:1px solid var(--panel-divider);background:var(--panel-bg)}.ribbon-brand{display:flex;align-items:center;gap:9px;height:34px;min-width:0;overflow:hidden}.ribbon-search-box{display:grid;grid-template-columns:22px minmax(0,1fr) 24px;align-items:center;gap:6px;grid-column:2;width:100%;height:30px;padding:0 8px;border:1px solid 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var(--panel-border);background:var(--scrollbar-track);cursor:row-resize;touch-action:none;-webkit-user-select:none;user-select:none;-webkit-user-drag:none}.top-panel-resizer:before{position:absolute;z-index:1;top:-7px;right:0;bottom:-7px;left:0;background:transparent;content:""}.top-panel-resizer:after{position:absolute;z-index:2;top:2px;right:0;bottom:2px;left:0;background:transparent;content:"";pointer-events:none}.top-panel-resizer:hover,.top-panel-resizer:focus-visible{background:var(--panel-resizer-hover);outline:0}.top-panel-resizer:hover:after,.top-panel-resizer:focus-visible:after,.resizing-top-panel .top-panel-resizer:after{background:var(--scrollbar-thumb-hover)}.resizing-pane,.resizing-top-panel,.resizing-compose-panel{-webkit-user-select:none;user-select:none}.resizing-pane{cursor:col-resize}.resizing-top-panel,.resizing-compose-panel{cursor:row-resize}.resizing-pane iframe,.resizing-top-panel iframe,.resizing-compose-panel 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auto;align-items:stretch;gap:8px;width:100%;min-height:82px;padding:9px 10px 9px 14px;border:0;border-bottom:1px solid var(--panel-divider);background:var(--mail-list-bg);color:#1e252b;text-align:left}.message-row.multi-select-mode{grid-template-columns:28px minmax(0,1fr) auto;padding-left:10px}.message-row:hover{background:var(--message-hover-bg)}.message-row.unread{background:color-mix(in srgb,var(--mail-list-bg) 54%,#ffffff)}.message-row.unread .message-from,.message-row.unread .message-subject span{font-weight:800;color:#111820}.message-row.read .message-from,.message-row.read .message-subject span{font-weight:600;color:#253039}.message-row.selected{background:var(--user-selected-row-bg);box-shadow:inset 3px 0 0 var(--accent-color)}.message-row.bulk-selected,.message-row.selected.bulk-selected{background:color-mix(in srgb,var(--accent-color) 24%,#ffffff);box-shadow:inset 3px 0 0 var(--accent-color)}.message-row[class*=sender-policy-]{box-shadow:inset 3px 0 0 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button.danger{border-color:#cbd3ce;color:#627179}.message-row-actions button.danger:hover:not(:disabled){border-color:#e0bfbc;background:#fff1f0;color:#8f241f}.message-row-actions button:disabled{cursor:not-allowed;opacity:.55}.sender-policy-popover{position:absolute;z-index:12;right:42px;top:48px;min-width:142px;padding:6px;border:1px solid #cbd8d3;border-radius:8px;background:#fff;box-shadow:0 10px 28px #14212529}.message-topline,.message-subject{display:flex;align-items:center;gap:8px;min-width:0}.unread-dot{flex:0 0 auto;width:8px;height:8px;border-radius:999px;background:var(--accent-color);box-shadow:0 0 0 2px color-mix(in srgb,var(--accent-color) 16%,transparent)}.message-from,.message-subject span,.message-folder,.message-preview-text{overflow:hidden;text-overflow:ellipsis}.message-from,.message-subject span,.message-folder{white-space:nowrap}.answered-badge{display:inline-flex;flex:0 1 auto;align-items:center;gap:4px;max-width:132px;padding:2px 6px;border:1px solid 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#7c3aed);background:#fff;font-size:10px;font-weight:800;line-height:1.1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.mailbox-access-badge.grant{color:color-mix(in srgb,var(--mailbox-access-color, #2563eb) 82%,#172026)}.message-from{flex:1;font-weight:650;font-size:12px}.message-date{flex:0 0 auto;color:#657176;font-size:11px;font-variant-numeric:tabular-nums;white-space:nowrap}.message-subject{margin-top:6px;font-size:12px}.message-subject>span{flex:1}.message-attachment-strip{display:flex;align-items:center;gap:6px;min-width:0;margin-top:7px;overflow:hidden}.message-attachment-chip{display:inline-flex;align-items:center;gap:5px;max-width:150px;height:26px;min-width:0;padding:0 8px;border:1px solid #d5ddd8;border-radius:5px;background:#fff;color:#45545b;font-size:11px;font-weight:750;line-height:1;cursor:pointer}.message-attachment-chip:hover{border-color:color-mix(in srgb,var(--accent-color) 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#e0e6e2;border-radius:8px;background:#f8faf8}.gateway-policy-row footer{display:flex;align-items:center;justify-content:flex-end;gap:14px}.filter-action-rule-row .core-form-grid.compact{grid-template-columns:repeat(auto-fit,minmax(190px,1fr))}.integration-target-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:10px}.integration-target-card{display:grid;grid-template-columns:22px minmax(0,1fr);gap:3px 8px;min-height:68px;padding:10px;border:1px solid #dbe3de;border-radius:8px;background:#f7faf8}.integration-target-card input{grid-row:span 2;width:17px;height:17px;accent-color:var(--accent-color)}.integration-target-card strong,.integration-target-card span,.core-event-list strong,.core-event-list span,.core-log-line{min-width:0;overflow:hidden;text-overflow:ellipsis}.integration-target-card strong{color:#172026;font-size:12px}.integration-target-card span,.core-log-line{color:#647075;font-size:11px}.core-event-list{display:grid;gap:6px}.core-event-list 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