:root{--bg-dark:#0d1117;--bg-panel:#161b22;--bg-hover:#21262d;--text-main:#c9d1d9;--text-muted:#8b949e;--accent:#ffc54d;--accent-hover:#c79021;--danger:#f85149;--success:#2ea043;--text-xs:12px;--text-sm:14px;--text-base:16px;--text-lg:18px;--text-xl:22px;--border:1px solid #30363d;--radius:8px}*{box-sizing:border-box;margin:0;padding:0}body{background-color:var(--bg-dark);color:var(--text-main);font-family:Montserrat,sans-serif;font-size:var(--text-base);-webkit-font-smoothing:antialiased;line-height:1.5}*{scrollbar-width:thin;scrollbar-color:#30363d transparent}::-webkit-scrollbar{width:10px;height:10px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:#30363d;border-radius:6px}::-webkit-scrollbar-thumb:hover{background:#3f4652}.app-container{flex-direction:column;height:100vh;display:flex;overflow:hidden}.sidebar{background-color:var(--bg-panel);border-right:var(--border);flex-direction:column;width:270px;height:100vh;display:none}.sidebar-header{border-bottom:var(--border);padding:20px}.nav-links{flex:1;padding:10px 0;list-style:none;overflow-y:auto}.nav-links li.divider{background:#30363d;height:1px;margin:10px 20px}.nav-links a{color:#f2f2f3;justify-content:flex-start;align-items:center;padding:15px 20px;text-decoration:none;transition:all .2s;display:flex}.nav-links a:hover{color:var(--text-main);background:var(--bg-hover)}.nav-links a.active{color:#171a1f;background:var(--accent);font-weight:600}.badge{font-size:var(--text-xs);background:#30363d;border-radius:4px;padding:2px 6px;font-weight:700}.content-area{padding:20px;padding-bottom:calc(100px + env(safe-area-inset-bottom));flex:1;overflow-y:auto}.page-section{max-width:800px;margin:0 auto;animation:.3s fadeIn;display:none}.page-section.active{display:block}@keyframes fadeIn{0%{opacity:0;transform:translateY(10px)}to{opacity:1;transform:translateY(0)}}.section-header{margin-bottom:24px}.section-header h1{font-size:var(--text-xl);color:#fff}.section-header p{color:var(--text-muted);margin-top:4px}.stats-grid{grid-template-columns:1fr 1fr;gap:12px;margin-bottom:24px;display:grid}.stat-card{background:var(--bg-panel);border-radius:var(--radius);border:var(--border);text-align:center;padding:20px}.stat-card h3{font-size:var(--text-sm);color:var(--text-muted);font-weight:500}.stat-val{color:#fff;margin-top:8px;font-size:32px;font-weight:700}.quick-actions{flex-direction:column;gap:12px;display:flex}.hide-desktop{display:none}.hide-mobile{display:inline}@media (width<=767px){.hide-desktop{display:inline!important}.hide-mobile{display:none!important}}.btn{border-radius:var(--radius);cursor:pointer;font-weight:600;font-size:var(--text-base);border:none;justify-content:center;align-items:center;min-height:48px;padding:12px 16px;transition:all .2s;display:inline-flex}.btn-block{width:100%}.btn-sm{min-height:unset;font-size:var(--text-sm);padding:8px 12px}.btn-primary{background:var(--accent);color:#171a1f}.btn-primary:hover:not(:disabled){background:var(--accent-hover)}.btn-primary:disabled{opacity:.5;cursor:not-allowed}.btn-secondary{background:var(--bg-panel);color:var(--text-main);border:var(--border)}.btn-secondary:hover{background:var(--bg-hover)}.form-group{margin-bottom:16px}.form-group 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h4{font-size:var(--text-base);color:#fff;margin-bottom:2px}.wf-card p{color:var(--text-muted);font-size:11px;line-height:1.2}.file-drop-area{border-radius:var(--radius);text-align:center;cursor:pointer;background:var(--bg-panel);border:2px dashed #30363d;margin-bottom:24px;padding:40px 20px;transition:all .2s;position:relative}.file-drop-area.dragover{border-color:var(--accent);background:#8957e50d}.file-drop-area input[type=file]{opacity:0;cursor:pointer;width:100%;height:100%;position:absolute;top:0;left:0}.image-remove-btn{color:#fff;cursor:pointer;z-index:2;background:#0009;border:none;border-radius:50%;justify-content:center;align-items:center;width:26px;height:26px;font-size:14px;line-height:1;display:flex;position:absolute;top:6px;right:6px}.image-remove-btn:hover{background:var(--danger)}.bc-preview-stack{cursor:pointer;flex-shrink:0;align-self:center;width:104px;height:120px;margin-top:10px;margin-right:14px;position:relative}.bc-preview-box{background:#ffffff0a;border:1px 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li{margin-bottom:4px}.msg strong,.chat-bubble strong{color:#fff}.cfo-menu-item{white-space:nowrap;cursor:pointer;padding:9px 14px;font-size:.85em}.cfo-menu-item:hover{background:var(--bg-hover)}.custom-select-trigger{cursor:pointer;text-align:left;color:#fff;justify-content:space-between;align-items:center;gap:8px;display:flex}.custom-select-trigger span:first-child{text-overflow:ellipsis;white-space:nowrap;overflow:hidden}.custom-select-caret{color:var(--text-muted);flex-shrink:0}.custom-select-panel{z-index:200;border:var(--border);background:#21262d;border-radius:8px;max-height:260px;position:fixed;overflow-y:auto;box-shadow:0 4px 12px #0006}.custom-select-option{font-size:var(--text-sm);cursor:pointer;white-space:nowrap;text-overflow:ellipsis;padding:10px 14px;overflow:hidden}.custom-select-option:hover{background:var(--bg-hover)}.quick-replies{flex-wrap:wrap;gap:8px;padding:0 12px 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.icon{margin-bottom:4px;font-size:24px}.nav-item .label{font-size:14px;font-weight:500}.nav-item.active{color:var(--accent)}.mobile-header{background:var(--bg-panel);border-bottom:var(--border);color:#fff;z-index:90;justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.nav-drawer{background:var(--bg-panel);z-index:99;width:100%;padding:20px;padding-bottom:calc(20px + 60px + env(safe-area-inset-bottom));border-top-left-radius:16px;border-top-right-radius:16px;transition:bottom .3s;position:fixed;bottom:-100%;left:0;box-shadow:0 -4px 20px #00000080}.nav-drawer.open{bottom:0}.drawer-overlay{z-index:98;background:#00000080;width:100%;height:100%;display:none;position:fixed;top:0;left:0}.drawer-overlay.open{display:block}.lightbox-overlay{z-index:300;cursor:zoom-out;background:#000000d9;justify-content:center;align-items:center;width:100%;height:100%;padding:24px;display:flex;position:fixed;top:0;left:0}.lightbox-image-wrap{cursor:default;max-width:100%;max-height:100%;display:inline-flex;position:relative}.lightbox-overlay img{cursor:default;border-radius:8px;max-width:100%;max-height:100%;display:block;box-shadow:0 8px 40px #0009}.lightbox-arrow{color:#fff;cursor:pointer;z-index:301;background:#ffffff1f;border:none;border-radius:50%;width:44px;height:44px;font-size:24px;line-height:1;position:absolute;top:50%;transform:translateY(-50%)}.lightbox-arrow:hover{background:#ffffff40}.lightbox-arrow-left{left:10px}.lightbox-arrow-right{right:10px}.lightbox-dots{z-index:301;gap:8px;display:flex;position:absolute;bottom:16px;left:50%;transform:translate(-50%)}.lightbox-dot{cursor:pointer;background:#ffffff59;border-radius:50%;width:8px;height:8px}.lightbox-dot.active{background:#fff}.bc-push-modal{background:var(--bg-panel);border:var(--border);border-radius:12px;width:100%;max-width:480px;max-height:90vh;padding:24px;overflow-y:auto}.drawer-links{flex-direction:column;gap:16px;list-style:none;display:flex}.drawer-links a{color:var(--text-main);font-size:var(--text-lg);border-bottom:1px solid #30363d;padding:12px 0;text-decoration:none;display:block}@media (width>=768px){.app-container{flex-direction:row}.sidebar{display:flex}.bottom-nav,.mobile-header{display:none}.content-area{padding:40px}.stats-grid{grid-template-columns:repeat(4,1fr)}.quick-actions,.workflow-cards{flex-direction:row}.wf-card{flex:1}.lightbox-arrow-left{left:8px}.lightbox-arrow-right{right:8px}}