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13px;display:flex}.doc-title{font-size:13.5px;font-weight:600;line-height:1.35}.doc-meta{color:var(--text-faint);margin-top:auto;font-size:11.5px}.viewer-overlay{z-index:100;-webkit-user-select:none;user-select:none;background:#0b0f0e;flex-direction:column;display:flex;position:fixed;inset:0}.viewer-bar{color:#e7e5e4;background:#00000059;flex-shrink:0;align-items:center;gap:14px;height:56px;padding:0 18px;display:flex}.viewer-bar .v-title{white-space:nowrap;text-overflow:ellipsis;font-size:14px;font-weight:600;overflow:hidden}.viewer-bar .icon-btn{color:#d6d3d1}.viewer-bar .icon-btn:hover{color:#fff;background:#ffffff1a}.viewer-stage{flex:1;place-items:center;padding:26px;display:grid;position:relative;overflow:auto}.viewer-page{pointer-events:none;-webkit-user-drag:none;-webkit-user-select:none;user-select:none;border-radius:3px;max-width:100%;max-height:100%;box-shadow:0 8px 40px #00000080}.viewer-nav{color:#e7e5e4;background:#00000059;flex-shrink:0;justify-content:center;align-items:center;gap:18px;height:60px;display:flex}.viewer-pageinfo{font-variant-numeric:tabular-nums;text-align:center;color:#d6d3d1;min-width:96px;font-size:13.5px}.viewer-blur{-webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);text-align:center;color:#e7e5e4;z-index:5;background:#08090a;place-items:center;padding:30px;display:grid;position:absolute;inset:0}.viewer-blur.printscreen{border:2px solid #f59e0b}.viewer-loading{color:#9ca3af;align-items:center;gap:10px;display:flex}.viewer-page-wrap{line-height:0;display:inline-block;position:relative}.markup-toolbar{color:#e7e5e4;background:#00000059;flex-shrink:0;align-items:center;gap:10px;height:48px;padding:0 18px;display:flex}.markup-toolbar-group{align-items:center;gap:4px;display:flex}.markup-toolbar .icon-btn{color:#d6d3d1}.markup-toolbar .icon-btn:hover{color:#fff;background:#ffffff1a}.markup-toolbar .icon-btn.active{color:#fff;background:#ffffff29}.markup-colors{border-left:1px solid #ffffff26;padding-left:6px}.markup-color-swatch{cursor:pointer;border:2px solid #ffffff59;border-radius:50%;width:18px;height:18px;padding:0}.markup-color-swatch.active{border-color:#fff}.markup-copy-select{color:#e7e5e4;appearance:none;background:#ffffff14;border-color:#fff3;width:auto;padding:6px 26px 6px 10px;font-size:12.5px}.markup-copy-select-caret{pointer-events:none;color:#d6d3d1;margin-left:-22px}.markup-overlay{z-index:1;touch-action:none;cursor:crosshair;position:absolute;inset:0}.markup-overlay.markup-readonly{cursor:default;pointer-events:none}.markup-overlay.markup-erasing{cursor:cell}.markup-svg{width:100%;height:100%;position:absolute;inset:0;overflow:visible}.markup-note-pin{position:absolute;transform:translate(-50%,-50%)}.markup-note-dot{cursor:pointer;pointer-events:auto;background:#d97706;border:2px solid #fff;border-radius:50% 50% 50% 0;width:20px;height:20px;padding:0;transform:rotate(45deg);box-shadow:0 1px 4px #0006}.markup-note-dot-pending{cursor:default;background:#78716c}.markup-note-popover{border-radius:var(--radius-sm);width:220px;box-shadow:var(--shadow-lg);pointer-events:auto;z-index:2;background:#fff;padding:8px;position:absolute;top:24px;left:0}.markup-note-popover textarea{min-height:60px;font-size:13px}.markup-note-popover-actions{justify-content:flex-end;margin-top:4px;display:flex}.markup-note-readonly{color:var(--text);white-space:pre-wrap;padding:10px;font-size:13px}.audio-player{background:linear-gradient(135deg, var(--brand-darker), var(--brand-dark));border-radius:var(--radius-lg);color:#f7d3e2;max-width:460px;box-shadow:var(--shadow);margin:40px auto;padding:26px}.audio-player .a-title{color:#fff;align-items:center;gap:10px;margin-bottom:18px;font-weight:600;display:flex}.audio-controls{align-items:center;gap:14px;display:flex}.audio-play{width:50px;height:50px;color:var(--brand-dark);cursor:pointer;background:#fff;border:none;border-radius:50%;flex-shrink:0;place-items:center;display:grid}.audio-seek{appearance:none;cursor:pointer;background:#ffffff40;border-radius:3px;width:100%;height:5px}.audio-seek::-webkit-slider-thumb{-webkit-appearance:none;cursor:pointer;background:#fff;border-radius:50%;width:14px;height:14px}.audio-time{font-variant-numeric:tabular-nums;min-width:42px;font-size:12px}.messages-split{grid-template-columns:320px 1fr;height:100%;display:grid}.convo-list{border-right:1px solid var(--border);background:var(--surface);overflow-y:auto}.convo-list .convo-head{border-bottom:1px solid var(--border);padding:18px 18px 12px;font-size:16px;font-weight:600}.convo-item{cursor:pointer;border-bottom:1px solid var(--border);align-items:center;gap:11px;padding:13px 16px;display:flex}.convo-item:hover{background:var(--surface-2)}.convo-item.active{background:var(--brand-tint)}.convo-item .c-body{flex:1;min-width:0}.convo-item .c-name{justify-content:space-between;gap:8px;font-size:13.5px;font-weight:600;display:flex}.convo-item .c-preview{color:var(--text-muted);white-space:nowrap;text-overflow:ellipsis;font-size:12.5px;overflow:hidden}.convo-unread{background:var(--accent);color:#fff;border-radius:999px;flex-shrink:0;place-items:center;min-width:18px;height:18px;padding:0 5px;font-size:11px;font-weight:700;display:grid}.thread{background:var(--surface-2);flex-direction:column;height:100%;display:flex}.thread-head{border-bottom:1px solid var(--border);background:var(--surface);flex-shrink:0;align-items:center;gap:11px;height:60px;padding:0 20px;display:flex}.thread-body{flex-direction:column;flex:1;gap:8px;padding:20px;display:flex;overflow-y:auto}.bubble{word-wrap:break-word;border-radius:14px;max-width:64%;padding:9px 13px;font-size:13.5px;line-height:1.45}.bubble.them{background:var(--surface);border:1px solid var(--border);border-bottom-left-radius:4px;align-self:flex-start}.bubble.me{background:var(--brand);color:#fff;border-bottom-right-radius:4px;align-self:flex-end}.bubble .b-time{opacity:.7;margin-top:3px;font-size:10.5px}.thread-input{border-top:1px solid var(--border);background:var(--surface);flex-shrink:0;gap:10px;padding:14px 18px;display:flex}.thread-input textarea{resize:none;min-height:40px;max-height:120px}.progress-row{border-bottom:1px solid var(--border);align-items:center;gap:14px;padding:12px 0;display:flex}.progress-row:last-child{border-bottom:none}.status-dot{border-radius:50%;flex-shrink:0;width:10px;height:10px}.status-dot.completed{background:var(--success)}.status-dot.in_progress{background:var(--accent)}.status-dot.not_started{background:var(--text-faint)}.modal-backdrop{z-index:200;background:#14121073;place-items:center;padding:24px;display:grid;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius-lg);box-shadow:var(--shadow-lg);width:100%;max-width:460px;max-height:90vh;overflow-y:auto}.modal-head{border-bottom:1px solid var(--border);justify-content:space-between;align-items:center;padding:18px 20px;display:flex}.modal-body{padding:20px}.modal-foot{border-top:1px solid var(--border);justify-content:flex-end;gap:10px;padding:16px 20px;display:flex}@media (width<=820px){:root{--sidebar-w:0px}.shell{grid-template-columns:1fr;grid-template-areas:"header""main"}.sidebar{z-index:80;width:240px;box-shadow:var(--shadow-lg);transition:transform .2s;position:fixed;top:0;bottom:0;left:0;transform:translate(-100%)}.sidebar.open{transform:translate(0)}.messages-split{grid-template-columns:1fr}.messages-split.show-thread .convo-list,.messages-split:not(.show-thread) .thread{display:none}.page{padding:18px 16px}}.menu-backdrop{z-index:40;position:fixed;inset:0}.nav-toggle{display:none}@media (width<=820px){.nav-toggle{display:inline-grid}}.app-body{height:100%}.app-body.has-titlebar{height:calc(100% - 32px)}.desktop-titlebar{background:var(--brand-darker);color:#f7d3e2;-webkit-app-region:drag;-webkit-user-select:none;user-select:none;align-items:center;height:32px;padding-left:12px;display:flex}.desktop-titlebar .dt-brand{letter-spacing:-.01em;align-items:center;gap:7px;font-size:12px;font-weight:600;display:flex}.desktop-titlebar .dt-spacer{flex:1}.desktop-titlebar .dt-btn{-webkit-app-region:no-drag;color:#f7d3e2;cursor:pointer;background:0 0;border:none;place-items:center;width:46px;height:32px;display:grid}.desktop-titlebar .dt-btn:hover{background:#ffffff14}.desktop-titlebar .dt-close:hover{color:#fff;background:#dc2626}.security-toast{border-radius:var(--radius);border:1px solid var(--danger);background:var(--danger-tint);color:var(--text);box-shadow:var(--shadow-sm);align-items:center;gap:10px;margin-bottom:18px;padding:12px 14px;display:flex}.security-toast span{flex:1}.security-toast.urgent{background:#fef3c7;border-width:2px}