:root{--primary:#2563eb;--primary-light:#eff6ff;--primary-hover:#1d4ed8;--success:#059669;--success-light:#ecfdf5;--warn:#d97706;--warn-light:#fffbeb;--danger:#dc2626;--danger-light:#fef2f2;--bg:#f8fafc;--surface:#fff;--border:#e2e8f0;--border-light:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#94a3b8;--radius-sm:6px;--radius:10px;--radius-lg:14px;--radius-xl:18px;--shadow-sm:0 1px 3px #0f172a0f, 0 1px 2px #0f172a0a;--shadow:0 4px 12px #0f172a14, 0 1px 3px #0f172a0d;--shadow-lg:0 12px 32px #0f172a1f, 0 2px 8px #0f172a0f;--sidebar-w:224px;--topbar-h:56px;--font:-apple-system, BlinkMacSystemFont, "Segoe UI", "Inter", sans-serif}*,:before,:after{box-sizing:border-box;margin:0;padding:0}body{font-family:var(--font);background:var(--bg);color:var(--text-primary);-webkit-font-smoothing:antialiased;font-size:14px;line-height:1.5}button{cursor:pointer;background:0 0;border:none;font-family:inherit}input,select,textarea{font-family:inherit;font-size:14px}a{text-decoration:none}::-webkit-scrollbar{width:5px;height:5px}::-webkit-scrollbar-track{background:0 0}::-webkit-scrollbar-thumb{background:var(--border);border-radius:10px}#root{min-height:100vh;display:flex}.sidebar{width:var(--sidebar-w);min-width:var(--sidebar-w);background:var(--surface);border-right:1px solid var(--border);z-index:10;flex-direction:column;display:flex;position:fixed;top:0;bottom:0;left:0}.sidebar-logo{border-bottom:1px solid var(--border-light);padding:20px 20px 16px}.sidebar-logo h2{color:var(--primary);letter-spacing:-.4px;font-size:17px;font-weight:800}.sidebar-logo span{color:var(--text-muted);letter-spacing:.3px;text-transform:uppercase;margin-top:1px;font-size:10px;font-weight:600;display:block}.sidebar-nav{flex:1;padding:10px;overflow-y:auto}.nav-item{border-radius:var(--radius-sm);cursor:pointer;color:var(--text-secondary);align-items:center;gap:9px;margin-bottom:1px;padding:9px 12px;font-size:13px;font-weight:500;transition:background .12s,color .12s;display:flex;position:relative}.nav-item:hover{background:var(--bg);color:var(--text-primary)}.nav-item.active{background:var(--primary-light);color:var(--primary);font-weight:600}.nav-item.active:before{content:"";background:var(--primary);border-radius:0 3px 3px 0;width:3px;position:absolute;top:4px;bottom:4px;left:0}.sidebar-user{border-top:1px solid var(--border-light);align-items:center;gap:10px;padding:14px 16px;display:flex}.avatar{color:#fff;border-radius:8px;flex-shrink:0;justify-content:center;align-items:center;width:32px;height:32px;font-size:12px;font-weight:700;display:flex}.main{margin-left:var(--sidebar-w);flex-direction:column;flex:1;min-height:100vh;display:flex}.topbar{background:var(--surface);border-bottom:1px solid var(--border);height:var(--topbar-h);z-index:5;box-shadow:var(--shadow-sm);justify-content:space-between;align-items:center;padding:0 28px;display:flex;position:sticky;top:0}.topbar h1{color:var(--text-primary);letter-spacing:-.2px;font-size:15px;font-weight:700}.page-content{flex:1;padding:24px 28px}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm)}.card-header{border-bottom:1px solid var(--border-light);justify-content:space-between;align-items:center;padding:14px 20px;display:flex}.card-header h2{color:var(--text-primary);letter-spacing:-.1px;font-size:13px;font-weight:700}.kpi-grid{grid-template-columns:repeat(4,1fr);gap:14px;margin-bottom:22px;display:grid}.kpi-card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);cursor:pointer;box-shadow:var(--shadow-sm);padding:18px 20px;transition:box-shadow .2s,transform .2s}.kpi-card:hover{box-shadow:var(--shadow);transform:translateY(-1px)}.kpi-label{color:var(--text-muted);text-transform:uppercase;letter-spacing:.4px;margin-bottom:8px;font-size:11px;font-weight:600}.kpi-value{font-size:28px;font-weight:800;line-height:1}.kpi-sub{color:var(--text-muted);margin-top:4px;font-size:11px}.btn{border-radius:var(--radius);cursor:pointer;white-space:nowrap;border:1px solid #0000;align-items:center;gap:6px;padding:8px 16px;font-size:13px;font-weight:600;transition:background .15s,box-shadow .15s,opacity .15s;display:inline-flex}.btn-primary{background:var(--primary);color:#fff;box-shadow:0 1px 3px #2563eb40}.btn-primary:hover{background:var(--primary-hover);box-shadow:0 3px 8px #2563eb4d}.btn-ghost{background:var(--surface);color:var(--text-secondary);border-color:var(--border)}.btn-ghost:hover{background:var(--bg);color:var(--text-primary)}.btn-danger{background:var(--danger-light);color:var(--danger);border-color:#fecaca}.btn-danger:hover{background:#fee2e2}.btn-sm{padding:5px 11px;font-size:12px}.badge{letter-spacing:.1px;border-radius:20px;align-items:center;padding:2px 9px;font-size:11px;font-weight:700;display:inline-flex}.chip{border-radius:8px;align-items:center;padding:3px 10px;font-size:12px;font-weight:600;display:inline-flex}.tag{text-transform:uppercase;letter-spacing:.3px;border-radius:5px;align-items:center;padding:2px 7px;font-size:10px;font-weight:700;display:inline-flex}.form-group{margin-bottom:16px}.form-label{color:var(--text-secondary);letter-spacing:.1px;margin-bottom:5px;font-size:12px;font-weight:600;display:block}.form-input{border:1.5px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;color:var(--text-primary);outline:none;padding:9px 12px;font-size:13px;transition:border-color .15s,box-shadow .15s}.form-input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-select{border:1.5px solid var(--border);border-radius:var(--radius);background:var(--surface);width:100%;color:var(--text-primary);outline:none;padding:9px 12px;font-size:13px;transition:border-color .15s,box-shadow .15s}.form-select:focus{border-color:var(--primary);box-shadow:0 0 0 3px #2563eb1a}.form-row{grid-template-columns:1fr 1fr;gap:14px;display:grid}.modal-overlay{z-index:100;-webkit-backdrop-filter:blur(2px);backdrop-filter:blur(2px);background:#0f172a73;justify-content:center;align-items:center;padding:20px;display:flex;position:fixed;inset:0}.modal{background:var(--surface);border-radius:var(--radius-xl);width:100%;max-width:560px;max-height:90vh;box-shadow:var(--shadow-lg);border:1px solid var(--border-light);padding:28px;overflow-y:auto}.modal h2{color:var(--text-primary);letter-spacing:-.2px;margin-bottom:22px;font-size:16px;font-weight:700}.empty-state{text-align:center;color:var(--text-muted);padding:56px 24px;font-size:13px;line-height:1.7}.task-row{border-bottom:1px solid var(--border-light);cursor:pointer;align-items:center;gap:12px;padding:13px 20px;transition:background .12s;display:flex}.task-row:hover{background:var(--bg)}.task-row:last-child{border-bottom:none}.task-expand{background:var(--bg);border-bottom:1px solid var(--border);padding:16px 20px}.progress-bar{background:var(--bg);border-radius:10px;height:6px;overflow:hidden}.progress-fill{border-radius:10px;height:100%;transition:width .4s}.bar-chart-row{align-items:center;gap:10px;margin-bottom:9px;display:flex}.bar-chart-label{width:120px;color:var(--text-secondary);text-align:right;text-overflow:ellipsis;white-space:nowrap;flex-shrink:0;font-size:12px;overflow:hidden}.bar-chart-track{background:var(--bg);border-radius:6px;flex:1;height:10px;overflow:hidden}.bar-chart-fill{border-radius:6px;height:100%;transition:width .3s}.bar-chart-val{width:52px;color:var(--text-secondary);flex-shrink:0;font-size:12px;font-weight:600}.star-btn{cursor:pointer;background:0 0;border:none;padding:1px;font-size:18px;line-height:1;transition:transform .1s}.star-btn:hover{transform:scale(1.15)}.star-btn.readonly{cursor:default}.star-btn.readonly:hover{transform:none}.login-wrap{background:linear-gradient(135deg,#eff6ff 0%,#f5f3ff 100%);flex:1;justify-content:center;align-items:center;width:100%;min-height:100vh;display:flex}.login-card{background:var(--surface);border-radius:var(--radius-xl);width:420px;box-shadow:var(--shadow-lg);border:1px solid var(--border-light);padding:44px 40px}.tab-bar{background:var(--bg);border-radius:var(--radius);border:1px solid var(--border-light);gap:2px;margin-bottom:20px;padding:3px;display:flex}.tab-btn{border-radius:var(--radius-sm);color:var(--text-muted);cursor:pointer;text-align:center;background:0 0;border:none;flex:1;padding:7px;font-size:12px;font-weight:500;transition:all .15s}.tab-btn.active{background:var(--surface);color:var(--primary);box-shadow:var(--shadow-sm);font-weight:700}.comment-item{border-bottom:1px solid var(--border-light);padding:11px 16px}.comment-item:last-child{border:none}.section-title{color:var(--text-muted);text-transform:uppercase;letter-spacing:.5px;margin:16px 0 10px;font-size:11px;font-weight:700}input[type=file]{display:none}.file-label{border:1.5px dashed var(--border);border-radius:var(--radius);cursor:pointer;color:var(--text-muted);align-items:center;gap:6px;padding:7px 14px;font-size:12px;transition:border-color .15s,color .15s,background .15s;display:inline-flex}.file-label:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-light)}.version-row{border-bottom:1px solid var(--border-light);align-items:center;gap:10px;padding:11px 16px;display:flex}.version-row:last-child{border:none}.chat-wrap{flex-direction:column;gap:10px;padding:16px;display:flex}.chat-msg{flex-direction:column;max-width:74%;display:flex}.chat-msg.mine{align-self:flex-end;align-items:flex-end}.chat-msg.theirs{align-self:flex-start;align-items:flex-start}.chat-bubble{word-break:break-word;border-radius:16px;padding:9px 14px;font-size:13px;line-height:1.5}.chat-msg.mine .chat-bubble{background:var(--primary);color:#fff;border-bottom-right-radius:4px}.chat-msg.theirs .chat-bubble{background:var(--bg);color:var(--text-primary);border:1px solid var(--border-light);border-bottom-left-radius:4px}.chat-meta{color:var(--text-muted);margin-top:3px;padding:0 2px;font-size:10px}.panel-backdrop{z-index:500;-webkit-backdrop-filter:blur(1px);backdrop-filter:blur(1px);background:#0f172a4d;justify-content:flex-end;display:flex;position:fixed;inset:0}.panel-slide{background:var(--surface);flex-direction:column;width:600px;max-width:100vw;height:100vh;transition:transform .25s cubic-bezier(.4,0,.2,1);display:flex;overflow-y:auto;transform:translate(100%);box-shadow:-12px 0 48px #0f172a2e}.panel-slide.open{transform:translate(0)}.panel-header{border-bottom:1px solid var(--border);background:var(--surface);z-index:1;justify-content:space-between;align-items:center;gap:12px;padding:18px 22px;display:flex;position:sticky;top:0}.panel-title{color:var(--text-primary);text-overflow:ellipsis;white-space:nowrap;flex:1;font-size:15px;font-weight:700;overflow:hidden}.panel-body{flex:1;padding:22px;overflow-y:auto}@media (width<=768px){.panel-slide{width:100vw}.kpi-grid{grid-template-columns:repeat(2,1fr)}.form-row{grid-template-columns:1fr}}