:root{--brand: #5B4EFF;--brand-tint: #EEEDFE;--brand-border: #CECBF6;--brand-mid: #534AB7;--brand-dark: #3C3489;--brand-muted: #AFA9EC;--brand-deep: #26215C;--bg: #F5F6FA;--surface: #FFFFFF;--border: rgba(0,0,0,.08);--text-primary: #111827;--text-secondary: #6B7280;--text-muted: #9CA3AF;--radius-sm: 8px;--radius-md: 12px;--radius-full: 999px}*{margin:0;padding:0;box-sizing:border-box}body{font-family:-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;-webkit-font-smoothing:antialiased;background:var(--bg);color:var(--text-primary);font-size:14px;line-height:1.5;font-weight:400}button{cursor:pointer;border:none;font-family:inherit;font-size:inherit}input,select,textarea{font-family:inherit;font-size:inherit}.empty-state{color:var(--text-muted);font-size:.875rem;padding:20px 0}.loading{color:var(--text-muted);font-size:.875rem}button:hover,button:active{transform:none}.login-container{display:flex;align-items:center;justify-content:center;min-height:100vh;background:var(--brand)}.login-card{background:#fff;border-radius:var(--radius-md);padding:40px;max-width:460px;width:100%;box-shadow:0 16px 48px #5b4eff40;text-align:center}.login-card h1{font-size:2rem;font-weight:500;margin-bottom:8px;color:var(--brand)}.login-card p{color:var(--text-secondary);margin-bottom:28px;font-size:.95rem}.features{background:var(--brand-tint);border:.5px solid var(--brand-border);border-radius:var(--radius-sm);padding:16px 20px;margin-bottom:28px;text-align:left}.features ul{list-style:none}.features li{padding:6px 0;color:var(--text-secondary);font-size:.875rem}.slack-button{display:inline-flex;align-items:center;justify-content:center;gap:10px;background:var(--brand);color:#fff;padding:11px 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var(--border)}.btn-ghost:hover{background:var(--brand-tint);color:var(--brand-dark)}.priority-group{margin-bottom:2px}.section-label{font-size:.68rem;font-weight:500;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);padding:10px 6px 3px;display:block;border-top:.5px solid var(--border);margin-top:2px}.priority-group:first-child .section-label{border-top:none;margin-top:0;padding-top:4px}.channel-item.draggable{display:flex;align-items:center;gap:6px;padding:5px 8px;border-radius:var(--radius-sm);cursor:grab;-webkit-user-select:none;user-select:none;font-size:.875rem;font-weight:400;color:var(--text-primary);transition:background .1s,color .1s}.channel-item.draggable:hover{background:var(--brand-tint);color:var(--brand-dark)}.channel-item.dragging{background:var(--surface);border:.5px solid var(--brand);border-radius:var(--radius-sm);padding:5px 10px;box-shadow:0 4px 16px #5b4eff2e;cursor:grabbing;font-size:.875rem}.channel-name{flex:1;color:inherit;font-size:inherit;font-weight:inherit;text-decoration:none}.priority-dot{width:6px;height:6px;border-radius:50%;flex-shrink:0;margin-left:auto}.priority-dot.priority-unassigned{background:var(--brand-border)}.priority-dot.priority-important{background:var(--brand)}.priority-dot.priority-normal{background:var(--brand-mid)}.priority-dot.priority-low{background:var(--brand-muted)}.priority-dot.priority-silenced{background:var(--brand-border);opacity:.4}.drop-zone{border-radius:var(--radius-sm);transition:background .1s;min-height:20px}.drop-zone.drop-over{background:var(--brand-tint);outline:1px dashed var(--brand-border)}.drop-zone-channels{min-height:8px;padding:1px 0}.drop-indicator{text-align:center;color:var(--brand);font-size:.72rem;padding:4px;font-style:italic}.sub-section{margin:2px 0 2px 10px;border-left:.5px solid var(--brand-border);padding-left:8px}.sub-section.drop-over{border-left:1px solid var(--brand);background:var(--brand-tint);border-radius:0 var(--radius-sm) var(--radius-sm) 0}.section-header{display:flex;align-items:center;justify-content:space-between}.section-toggle{display:flex;align-items:center;gap:5px;background:none;border:none;cursor:pointer;font-size:.78rem;font-weight:400;color:var(--text-secondary);padding:3px 0;flex:1}.section-toggle:hover{color:var(--brand-dark)}.section-arrow{font-size:.6rem;color:var(--text-muted)}.section-delete{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.7rem;padding:2px 4px;opacity:0;transition:opacity .15s;border-radius:4px}.sub-section:hover .section-delete,.priority-group:hover>.section-delete{opacity:1}.section-delete:hover{color:var(--brand);background:var(--brand-tint);opacity:1}.add-section-btn{background:none;border:none;color:var(--text-muted);font-size:.78rem;font-weight:400;cursor:pointer;padding:4px 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.channel-name{font-weight:500;font-size:.9rem;color:var(--text-primary);text-decoration:none}.summary-title .channel-name:hover{color:var(--brand)}.message-count-badge,.needs-attention-badge{background:var(--brand-tint);color:var(--brand-dark);font-size:.72rem;font-weight:500;padding:2px 8px;border-radius:var(--radius-full);border:.5px solid var(--brand-border)}.summary-actions{display:flex;gap:6px;align-items:center}.summary-topics{display:flex;flex-wrap:wrap;gap:5px;margin-bottom:10px}.topic-tag{background:var(--brand-tint);color:var(--brand-mid);padding:2px 9px;border-radius:var(--radius-full);font-size:.72rem;font-weight:400;border:.5px solid var(--brand-border)}.summary-keypoints{color:var(--text-secondary);font-size:.875rem;line-height:1.6;margin-bottom:12px}.attention-messages{border:.5px solid var(--brand-border);border-radius:var(--radius-sm);overflow:hidden;margin-top:8px}.attention-header{background:var(--brand-tint);padding:7px 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var(--brand-border);background:var(--brand-tint);color:var(--brand-dark)}.mention-tag,.urgent-tag,.action-tag{background:var(--brand-tint);color:var(--brand-dark);border-color:var(--brand-border)}.dashboard{display:flex;flex-direction:column;height:100vh;background:var(--bg)}.dashboard-header{background:var(--brand);padding:0 20px;height:56px;display:flex;align-items:center;justify-content:space-between;flex-shrink:0}.header-logo{height:44px;width:auto}.header-right{display:flex;align-items:center;gap:12px}.search-btn{background:none;border:none;padding:6px;border-radius:var(--radius-sm);color:#ffffffb3;display:flex;align-items:center;transition:color .15s,background .15s}.search-btn:hover{color:#fff;background:#ffffff1f}.avatar-menu{position:relative}.avatar-btn{width:32px;height:32px;border-radius:50%;background:var(--brand-muted);color:var(--brand-deep);font-size:.8rem;font-weight:500;border:none;cursor:pointer;display:flex;align-items:center;justify-content:center;transition:opacity .15s}.avatar-btn:hover{opacity:.85}.avatar-dropdown{position:absolute;top:calc(100% + 8px);right:0;background:var(--surface);border:.5px solid var(--border);border-radius:var(--radius-md);box-shadow:0 8px 24px #0000001f;min-width:148px;z-index:100;overflow:hidden}.avatar-dropdown-item{display:block;width:100%;padding:10px 16px;text-align:left;font-size:.875rem;color:var(--text-primary);background:none;border:none;cursor:pointer}.avatar-dropdown-item:hover{background:var(--brand-tint);color:var(--brand-dark)}.dashboard-grid{display:grid;grid-template-columns:252px 1fr;gap:0;flex:1;overflow:hidden}.sidebar{background:var(--surface);border-right:.5px solid var(--border);padding:16px 12px;overflow-y:auto}.sidebar h2{font-size:.68rem;font-weight:500;text-transform:uppercase;letter-spacing:.07em;color:var(--text-muted);margin-bottom:8px;padding:0 4px}.main-content{padding:20px;display:flex;flex-direction:column;gap:12px;overflow-y:auto}.section{background:var(--surface);border-radius:var(--radius-md);padding:18px 20px;border:.5px solid var(--border)}.section h2{font-size:.875rem;font-weight:500;color:var(--text-secondary);margin-bottom:14px;display:flex;align-items:center;gap:6px}.sidebar::-webkit-scrollbar,.main-content::-webkit-scrollbar{width:4px}.sidebar::-webkit-scrollbar-track,.main-content::-webkit-scrollbar-track{background:transparent}.sidebar::-webkit-scrollbar-thumb,.main-content::-webkit-scrollbar-thumb{background:var(--brand-border);border-radius:2px}@media (max-width: 768px){.dashboard-grid{grid-template-columns:1fr}}