:root{--bg-page:#f8fafc;--bg-surface:#fff;--bg-subtle:#f1f5f9;--text-primary:#0f172a;--text-secondary:#475569;--text-muted:#64748b;--border-color:#e2e8f0;--primary:#2563eb;--primary-hover:#1d4ed8;--primary-soft:#eff6ff;--success:#16a34a;--success-soft:#f0fdf4;--warning:#d97706;--warning-soft:#fffbeb;--danger:#dc2626;--danger-hover:#b91c1c;--danger-soft:#fef2f2;--radius-lg:14px;--radius-md:10px;--radius-sm:8px;--shadow-sm:0 1px 3px #0f172a0f, 0 1px 2px #0f172a0a;--shadow-md:0 4px 12px #0f172a14;color:var(--text-primary);background-color:var(--bg-page);-webkit-font-smoothing:antialiased;font-family:Inter,-apple-system,BlinkMacSystemFont,Segoe UI,Roboto,sans-serif;font-weight:400;line-height:1.5}*{box-sizing:border-box;margin:0;padding:0}body{background:linear-gradient(180deg, #eff6ff 0%, var(--bg-page) 240px);min-height:100vh;color:var(--text-primary)}.app-container{max-width:1020px;margin:0 auto;padding:28px 16px 64px}.app-header{flex-wrap:wrap;justify-content:space-between;align-items:flex-start;gap:16px;margin-bottom:24px;display:flex}.brand-group{flex-direction:column;gap:6px;display:flex}.brand-badge{text-transform:uppercase;letter-spacing:.04em;background:var(--primary-soft);width:fit-content;color:var(--primary);border:1px solid #bfdbfe;border-radius:999px;align-items:center;gap:8px;padding:4px 10px;font-size:.78rem;font-weight:600;display:inline-flex}.app-title{color:var(--text-primary);letter-spacing:-.02em;font-size:1.75rem;font-weight:700}.app-subtitle{color:var(--text-secondary);font-size:.95rem}.header-actions{flex-wrap:wrap;align-items:center;gap:10px;display:flex}.status-pill{background:var(--bg-surface);border:1px solid var(--border-color);box-shadow:var(--shadow-sm);border-radius:999px;align-items:center;gap:6px;padding:6px 12px;font-size:.82rem;font-weight:500;display:inline-flex}.status-dot{background:var(--success);border-radius:50%;width:8px;height:8px}.status-dot.offline{background:var(--danger)}.summary-grid{grid-template-columns:repeat(3,1fr);gap:14px;margin-bottom:24px;display:grid}.summary-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);cursor:pointer;text-align:left;flex-direction:column;gap:4px;padding:16px 20px;transition:transform .15s,border-color .15s,box-shadow .15s;display:flex}.summary-card:hover{box-shadow:var(--shadow-md);transform:translateY(-1px)}.summary-card.active{border-color:var(--primary);background:var(--primary-soft)}.summary-label{color:var(--text-secondary);font-size:.85rem;font-weight:600}.summary-value{color:var(--text-primary);font-size:1.85rem;font-weight:700}.summary-card.pending .summary-value{color:var(--warning)}.summary-card.completed .summary-value{color:var(--success)}.notification-banner{border-radius:var(--radius-md);justify-content:space-between;align-items:center;gap:12px;margin-bottom:18px;padding:12px 16px;font-size:.92rem;font-weight:500;display:flex}.notification-banner.success{background:var(--success-soft);color:#166534;border:1px solid #bbf7d0}.notification-banner.error{background:var(--danger-soft);color:#991b1b;border:1px solid #fecaca}.banner-close{cursor:pointer;color:inherit;opacity:.75;background:0 0;border:none;padding:2px 6px;font-size:1rem}.auth-bar{background:var(--warning-soft);border-radius:var(--radius-md);border:1px solid #fde68a;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;margin-bottom:20px;padding:12px 16px;display:flex}.auth-bar-info{color:#92400e;font-size:.88rem}.auth-bar-controls{align-items:center;gap:8px;display:flex}.main-layout{grid-template-columns:350px 1fr;align-items:start;gap:22px;display:grid}.panel-card{background:var(--bg-surface);border:1px solid var(--border-color);border-radius:var(--radius-lg);box-shadow:var(--shadow-sm);padding:20px}.panel-title{color:var(--text-primary);margin-bottom:16px;font-size:1.1rem;font-weight:700}.task-form{flex-direction:column;gap:14px;display:flex}.form-field{flex-direction:column;gap:6px;display:flex}.form-field label{color:var(--text-secondary);font-size:.86rem;font-weight:600}.input-control,.textarea-control,.select-control{border:1px solid var(--border-color);border-radius:var(--radius-sm);background:var(--bg-surface);width:100%;color:var(--text-primary);padding:10px 12px;font-family:inherit;font-size:.92rem;transition:border-color .15s,box-shadow .15s}.input-control:focus,.textarea-control:focus,.select-control:focus{border-color:var(--primary);outline:none;box-shadow:0 0 0 3px #2563eb24}.textarea-control{resize:vertical;min-height:84px}.form-row-2{grid-template-columns:1fr 1fr;gap:10px;display:grid}.field-hint{color:var(--text-muted);text-align:right;font-size:.76rem}.btn{border-radius:var(--radius-sm);cursor:pointer;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:9px 15px;font-family:inherit;font-size:.9rem;font-weight:600;transition:background-color .15s,border-color .15s,opacity .15s;display:inline-flex}.btn:disabled{opacity:.6;cursor:not-allowed}.btn-primary{background:var(--primary);color:#fff}.btn-primary:hover:not(:disabled){background:var(--primary-hover)}.btn-secondary{background:var(--bg-subtle);color:var(--text-primary);border-color:var(--border-color)}.btn-secondary:hover:not(:disabled){background:#e2e8f0}.btn-danger{background:var(--danger);color:#fff}.btn-danger:hover:not(:disabled){background:var(--danger-hover)}.btn-ghost-danger{color:var(--danger);background:0 0;border-color:#fecaca}.btn-ghost-danger:hover:not(:disabled){background:var(--danger-soft)}.btn-sm{padding:6px 10px;font-size:.82rem}.toolbar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;margin-bottom:16px;display:flex}.search-box{flex:220px;position:relative}.filter-tabs{background:var(--bg-subtle);border-radius:var(--radius-sm);gap:4px;padding:4px;display:inline-flex}.filter-tab{color:var(--text-secondary);cursor:pointer;background:0 0;border:none;border-radius:6px;padding:6px 12px;font-family:inherit;font-size:.84rem;font-weight:600}.filter-tab.active{background:var(--bg-surface);color:var(--primary);box-shadow:var(--shadow-sm)}.task-list{flex-direction:column;gap:12px;display:flex}.task-item{border:1px solid var(--border-color);border-radius:var(--radius-md);background:var(--bg-surface);flex-direction:column;gap:10px;padding:15px 16px;transition:border-color .15s,box-shadow .15s;display:flex}.task-item:hover{box-shadow:var(--shadow-sm);border-color:#cbd5e1}.task-item.completed{background:#f8fafc}.task-top{justify-content:space-between;align-items:flex-start;gap:12px;display:flex}.task-check-group{flex:1;align-items:flex-start;gap:12px;display:flex}.task-checkbox{width:20px;height:20px;accent-color:var(--primary);cursor:pointer;flex-shrink:0;margin-top:2px}.task-content{flex-direction:column;flex:1;gap:4px;display:flex}.task-title{color:var(--text-primary);word-break:break-word;font-size:1rem;font-weight:600}.task-item.completed .task-title{color:var(--text-muted);text-decoration:line-through}.task-desc{color:var(--text-secondary);white-space:pre-wrap;word-break:break-word;font-size:.88rem}.task-meta{border-top:1px dashed var(--border-color);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:10px;padding-top:8px;display:flex}.badge-group{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.badge{border-radius:999px;align-items:center;padding:2px 9px;font-size:.76rem;font-weight:600;display:inline-flex}.badge-status-pending{background:var(--warning-soft);color:#b45309}.badge-status-completed{background:var(--success-soft);color:#15803d}.badge-priority-high{color:#b91c1c;background:#fef2f2}.badge-priority-medium{color:#1d4ed8;background:#eff6ff}.badge-priority-low{color:#475569;background:#f1f5f9}.badge-date{color:var(--text-muted);font-size:.78rem}.task-actions{align-items:center;gap:6px;display:flex}.state-box{text-align:center;color:var(--text-secondary);border:1px dashed var(--border-color);border-radius:var(--radius-md);background:var(--bg-subtle);padding:40px 20px}.state-title{color:var(--text-primary);margin-bottom:6px;font-size:1rem;font-weight:600}.modal-backdrop{z-index:100;background:#0f172a7a;justify-content:center;align-items:center;padding:16px;display:flex;position:fixed;inset:0}.modal-card{background:var(--bg-surface);border-radius:var(--radius-lg);width:100%;max-width:480px;box-shadow:var(--shadow-md);flex-direction:column;gap:16px;padding:22px;display:flex}.modal-title{font-size:1.15rem;font-weight:700}.modal-footer{justify-content:flex-end;gap:10px;display:flex}@media (width<=820px){.main-layout,.summary-grid,.form-row-2{grid-template-columns:1fr}}