:root{--bg:#000000;--surface:#0d0d0d;--surface2:#1a1a1a;--surface3:#262626;--border:#2a2a2a;--accent:#f59e0b;--accent-dim:#92400e;--text:#f0f0f0;--text-muted:#888888;--danger:#ef4444;--success:#22c55e;--phase-alpha:#f59e0b;--phase-beta:#3b82f6;--phase-rc:#8b5cf6;--phase-stable:#22c55e;--phase-archived:#6b7280;--pri-urgent:#ef4444;--pri-high:#f97316;--pri-medium:#eab308;--pri-low:#3b82f6;--pri-none:#4b5563;--sidebar-w:260px;--radius:8px;--radius-sm:4px;--transition:.15s ease}*,*:before,*:after{box-sizing:border-box;margin:0;padding:0}html,body,#root{height:100%;background:var(--bg);color:var(--text);font-family:Inter,Segoe UI,system-ui,sans-serif;font-size:14px;line-height:1.5;-webkit-font-smoothing:antialiased}a{color:inherit;text-decoration:none}button{cursor:pointer;font:inherit;border:none;background:none;color:inherit}input,textarea,select{font:inherit;background:var(--surface2);color:var(--text);border:1px solid var(--border);border-radius:var(--radius-sm);padding:8px 12px;outline:none;transition:border-color var(--transition);width:100%}input:focus,textarea:focus,select:focus{border-color:var(--accent)}textarea{resize:vertical;min-height:80px}select option{background:var(--surface2)}::-webkit-scrollbar{width:6px;height:6px}::-webkit-scrollbar-track{background:transparent}::-webkit-scrollbar-thumb{background:var(--surface3);border-radius:3px}::-webkit-scrollbar-thumb:hover{background:var(--border)}.flex{display:flex}.col{flex-direction:column}.gap-4{gap:4px}.gap-8{gap:8px}.gap-12{gap:12px}.gap-16{gap:16px}.center{align-items:center}.between{justify-content:space-between}.grow{flex:1}.hidden{display:none!important}.btn{display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--radius-sm);font-size:13px;font-weight:500;transition:background var(--transition),opacity var(--transition);white-space:nowrap}.btn-primary{background:var(--accent);color:#000}.btn-primary:hover{background:#fbbf24}.btn-ghost{background:transparent;color:var(--text-muted)}.btn-ghost:hover{background:var(--surface2);color:var(--text)}.btn-danger{background:transparent;color:var(--danger)}.btn-danger:hover{background:#7f1d1d22}.btn-icon{padding:6px;border-radius:var(--radius-sm);color:var(--text-muted);line-height:1}.btn-icon:hover{background:var(--surface2);color:var(--text)}.btn:disabled{opacity:.4;pointer-events:none}.tag{display:inline-flex;align-items:center;gap:4px;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;letter-spacing:.03em;text-transform:uppercase}.overlay{position:fixed;top:0;right:0;bottom:0;left:0;background:#000000bf;display:flex;align-items:center;justify-content:center;z-index:100;padding:16px}.modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;width:100%;max-width:480px;max-height:90vh;overflow-y:auto}.modal-title{font-size:16px;font-weight:600;margin-bottom:20px;display:flex;align-items:center;justify-content:space-between}.form-group{display:flex;flex-direction:column;gap:6px;margin-bottom:16px}.form-label{font-size:12px;color:var(--text-muted);font-weight:500}.form-row{display:grid;grid-template-columns:1fr 1fr;gap:12px}.toast-container{position:fixed;bottom:24px;right:24px;display:flex;flex-direction:column;gap:8px;z-index:200}.toast{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius);padding:12px 16px;font-size:13px;min-width:240px;animation:slideIn .2s ease}.toast.success{border-left:3px solid var(--success)}.toast.error{border-left:3px solid var(--danger)}@keyframes slideIn{0%{transform:translate(20px);opacity:0}to{transform:translate(0);opacity:1}}.empty-state{display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;padding:60px 20px;color:var(--text-muted);text-align:center}.empty-state .icon{font-size:48px;opacity:.4}.empty-state h3{font-size:15px;color:var(--text)}.empty-state p{font-size:13px}.app-layout{display:flex;height:100vh;overflow:hidden}.sidebar{display:flex;flex-direction:column;background:var(--surface);border-right:1px solid var(--border);height:100%;transition:width .2s ease;overflow:hidden;flex-shrink:0}.sidebar-header{display:flex;align-items:center;justify-content:space-between;padding:14px 12px;border-bottom:1px solid var(--border);min-height:52px}.sidebar-logo{display:flex;align-items:center}.sidebar-section{padding:12px;border-bottom:1px solid var(--border)}.sidebar-nav{display:flex;flex-direction:column;padding:8px}.sidebar-group{padding:0 8px 4px}.sidebar-group-label{padding:8px 6px 4px;font-size:10px;font-weight:600;color:var(--text-muted);letter-spacing:.06em;text-transform:uppercase}.sidebar-link{display:flex;align-items:center;gap:8px;padding:7px 10px;border-radius:var(--radius-sm);color:var(--text-muted);font-size:13px;transition:background var(--transition),color var(--transition);overflow:hidden}.sidebar-link:hover{background:var(--surface2);color:var(--text)}.sidebar-link.active{background:var(--accent-dim);color:var(--accent)}.board-link-title{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1}.sidebar-bottom{margin-top:auto;padding:12px;border-top:1px solid var(--border)}.active-icon{background:var(--surface3)!important;color:var(--accent)!important}.app-main{flex:1;overflow:hidden;display:flex;flex-direction:column}.page-content{flex:1;overflow-y:auto;padding:24px}.page-header{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}.page-title{font-size:20px;font-weight:700}.section-title{font-size:12px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:12px;display:flex;align-items:center;gap:8px}.home-section{margin-bottom:32px}.board-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(220px,1fr));gap:16px}.board-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;cursor:pointer;transition:border-color var(--transition),transform var(--transition);display:flex;flex-direction:column;gap:8px}.board-card:hover{border-color:var(--accent);transform:translateY(-1px)}.board-card-header{display:flex;align-items:center;justify-content:space-between}.board-card-title{font-size:14px;font-weight:600}.board-card-desc{font-size:12px;color:var(--text-muted);overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical}.board-card-footer{display:flex;justify-content:space-between;margin-top:auto;padding-top:4px}.board-page{display:flex;flex-direction:column;height:100%;overflow:hidden}.board-topbar{display:flex;align-items:center;justify-content:space-between;padding:10px 20px;border-bottom:1px solid var(--border);background:var(--surface);gap:16px;flex-shrink:0}.board-view-area{flex:1;overflow:auto}.view-tabs{display:flex;background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:2px;gap:2px}.view-tab{padding:5px 12px;border-radius:3px;font-size:12px;font-weight:500;color:var(--text-muted);transition:background var(--transition),color var(--transition)}.view-tab:hover{color:var(--text)}.view-tab.active{background:var(--surface);color:var(--text)}.kanban-board{display:flex;gap:16px;padding:20px 20px 40px;align-items:flex-start;overflow-x:auto;min-height:100%}.k-column{min-width:280px;max-width:280px;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);display:flex;flex-direction:column;flex-shrink:0;transition:outline .1s}.k-col-header{padding:10px 12px;border-bottom:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;gap:6px}.k-count{font-size:11px;color:var(--text-muted);background:var(--surface2);padding:1px 7px;border-radius:999px}.k-cards{padding:8px;display:flex;flex-direction:column;gap:6px;flex:1;min-height:60px}.k-card{background:var(--surface2);border:1px solid var(--border);border-radius:6px;padding:10px 12px;cursor:pointer;transition:border-color .15s,transform .1s;-webkit-user-select:none;user-select:none}.k-card:hover{border-color:var(--accent);transform:translateY(-1px)}.k-add-card{width:100%;padding:8px;font-size:12px;color:var(--text-muted);text-align:left;border-top:1px solid var(--border);border-radius:0 0 var(--radius) var(--radius);transition:background .15s,color .15s}.k-add-card:hover{background:var(--surface2);color:var(--accent)}.k-add-col{min-width:180px;height:44px;background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius);color:var(--text-muted);font-size:13px;flex-shrink:0;align-self:flex-start;transition:border-color .15s,color .15s}.k-add-col:hover{border-color:var(--accent);color:var(--accent)}.card-modal{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:24px;width:100%;max-width:860px;max-height:92vh;overflow-y:auto}.card-modal-body{display:grid;grid-template-columns:1fr 220px;gap:24px}@media (max-width: 640px){.card-modal-body{grid-template-columns:1fr}}.card-modal-left{display:flex;flex-direction:column;gap:0;min-width:0}.card-modal-right{display:flex;flex-direction:column;gap:0}.cm-section{margin-bottom:20px}.cm-label{font-size:11px;font-weight:600;color:var(--text-muted);text-transform:uppercase;letter-spacing:.06em;margin-bottom:8px}.md-preview{background:var(--surface2);border:1px solid var(--border);border-radius:var(--radius-sm);padding:10px 12px;font-size:13px;line-height:1.7;min-height:100px}.md-preview h1,.md-preview h2,.md-preview h3{margin:.5em 0 .3em;color:var(--text)}.md-preview h1{font-size:16px}.md-preview h2{font-size:14px}.md-preview h3{font-size:13px}.md-preview code{background:var(--surface3);padding:1px 5px;border-radius:3px;font-family:monospace;font-size:12px}.md-preview ul{padding-left:20px}.md-preview strong{color:var(--text)}.filter-bar{display:flex;align-items:center;gap:8px;flex-wrap:wrap;position:relative;flex:1}.filter-pill{display:inline-flex;align-items:center;gap:4px;padding:2px 6px 2px 10px;background:var(--accent-dim);color:var(--accent);border-radius:999px;font-size:11px;font-weight:600}.filter-pill button{color:var(--accent);font-size:10px;padding:1px 3px;border-radius:50%;line-height:1}.filter-pill button:hover{background:#ffffff26}.filter-panel{position:absolute;top:calc(100% + 8px);left:0;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:14px;z-index:50;min-width:240px;box-shadow:0 8px 32px #0006;display:flex;flex-direction:column;gap:10px}.filter-panel-row{display:flex;flex-direction:column;gap:4px}.category-chip{display:inline-flex;align-items:center;gap:4px;padding:4px 12px;border-radius:999px;font-size:12px;font-weight:500;background:var(--surface2);color:var(--text-muted);border:1px solid var(--border);cursor:pointer;transition:all .15s;white-space:nowrap}.category-chip:hover{border-color:var(--accent);color:var(--text)}.category-chip[data-active=true]{background:var(--accent-dim);color:var(--accent);border-color:var(--accent)}