:root{color:#1f2328;background:#f6f8fa;font-family:Inter,ui-sans-serif,system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,Microsoft YaHei,sans-serif;font-synthesis:none;text-rendering:optimizeLegibility;-webkit-font-smoothing:antialiased;--border: #d8dee4;--muted: #656d76;--surface: #ffffff;--surface-soft: #eef2f7;--primary: #1f6feb;--primary-strong: #1158c7;--danger: #cf222e;--danger-soft: #ffebe9;--success: #1a7f37;--success-soft: #dafbe1;--warning: #9a6700;--warning-soft: #fff8c5;--shadow: 0 12px 30px rgba(31, 35, 40, .08)}*{box-sizing:border-box}body{margin:0;min-width:320px;min-height:100vh;background:linear-gradient(180deg,#1f6feb14,#f6f8fa00 260px),#f6f8fa}button,input,textarea,select{font:inherit}button{cursor:pointer}button:disabled{cursor:not-allowed;opacity:.6}.app-shell{width:min(1120px,100%);margin:0 auto;padding:20px}.top-bar{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:8px 0 18px}.eyebrow{margin:0 0 4px;color:var(--muted);font-size:.88rem}h1,h2,h3,p{margin-top:0}h1{margin-bottom:0;font-size:2rem;line-height:1.15}h2{margin-bottom:0;font-size:1rem}h3{margin:8px 0 6px;font-size:1.05rem;line-height:1.35;overflow-wrap:anywhere}.install-button,.primary-button,.secondary-button,.icon-button,.filter-chip,.link-button,.segmented-control button{border:1px solid transparent;border-radius:8px;min-height:40px;transition:background .15s ease,border-color .15s ease,color .15s ease,transform .15s ease}.install-button,.primary-button,.secondary-button{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:0 14px;white-space:nowrap}.install-button,.primary-button{background:var(--primary);color:#fff}.install-button:hover,.primary-button:hover{background:var(--primary-strong)}.secondary-button{background:var(--surface);border-color:var(--border);color:#24292f}.secondary-button:hover{border-color:#8c959f}.secondary-button.square{width:42px;padding:0}.summary-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;margin-bottom:16px}.summary-item{min-height:76px;padding:13px;border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.summary-item span{display:block;color:var(--muted);font-size:.84rem}.summary-item strong{display:block;margin-top:8px;font-size:1.5rem;line-height:1}.summary-item.danger strong{color:var(--danger)}.workspace{display:grid;grid-template-columns:minmax(0,1.4fr) minmax(280px,.8fr);gap:16px;align-items:start}.task-form,.category-panel,.filter-panel,.task-list{border:1px solid var(--border);border-radius:8px;background:var(--surface);box-shadow:var(--shadow)}.task-form,.category-panel,.filter-panel{padding:16px}.filter-panel,.task-list{margin-top:16px}.section-heading{display:flex;align-items:center;gap:8px;margin-bottom:14px;color:#24292f}.list-heading{justify-content:space-between;padding:16px 16px 0}.list-heading span{color:var(--muted);font-size:.9rem}.field{display:grid;gap:7px;margin-bottom:13px}.field.compact{margin-bottom:0}.field span,.segmented-field legend{color:var(--muted);font-size:.86rem}.field input,.field textarea,.field select,.search-box input{width:100%;min-height:42px;border:1px solid var(--border);border-radius:8px;background:#fff;color:#24292f;padding:9px 11px;outline:none}.field textarea{resize:vertical;min-height:86px}.field input:focus,.field textarea:focus,.field select:focus,.search-box input:focus{border-color:var(--primary);box-shadow:0 0 0 3px #1f6feb24}.field-grid,.filter-selects{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:12px}.segmented-field{border:0;margin:0 0 13px;padding:0}.segmented-control{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:8px;margin-top:7px}.segmented-control button,.filter-chip{background:var(--surface-soft);color:#24292f;padding:0 10px}.segmented-control button.active,.filter-chip.active{background:#ddf4ff;border-color:#54aeef;color:#0969da}.form-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:4px}.form-error{margin:0 0 10px;color:var(--danger);font-size:.9rem}.category-list{display:grid;gap:8px;margin-bottom:14px}.category-row{display:grid;grid-template-columns:16px minmax(0,1fr) 36px;align-items:center;gap:8px;min-height:38px;color:#24292f}.color-dot{display:inline-block;width:12px;height:12px;border-radius:999px}.category-create{display:grid;grid-template-columns:minmax(0,1fr) 46px 42px;gap:8px;align-items:end}.color-picker{display:grid;place-items:center;width:46px;height:42px;border:1px solid var(--border);border-radius:8px;background:var(--surface);cursor:pointer}.color-picker input{width:0;height:0;opacity:0;pointer-events:none}.filter-panel{display:grid;gap:12px}.search-box{display:grid;grid-template-columns:22px minmax(0,1fr);align-items:center;gap:8px;min-height:44px;border:1px solid var(--border);border-radius:8px;padding:0 10px;background:#fff}.search-box input{min-height:40px;border:0;padding:0;box-shadow:none}.search-box input:focus{box-shadow:none}.filter-row{display:flex;flex-wrap:wrap;gap:8px}.filter-chip{min-width:74px}.toggle-row{display:flex;flex-wrap:wrap;align-items:center;gap:14px;color:var(--muted);font-size:.92rem}.toggle-row label{display:inline-flex;align-items:center;gap:6px}.link-button{min-height:34px;padding:0;background:transparent;color:var(--primary)}.task-list{overflow:hidden}.tasks{display:grid;gap:10px;padding:16px}.task-item{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:12px;padding:14px;border:1px solid var(--border);border-left:4px solid var(--primary);border-radius:8px;background:#fff}.task-item.status-done{border-left-color:var(--success);background:#fbfffc}.task-item.status-done h3{color:var(--muted);text-decoration:line-through}.task-item.status-void{border-left-color:#8c959f;background:#f6f8fa}.task-item.status-void h3,.task-item.status-void .task-description{color:var(--muted)}.task-item.overdue{border-color:#ff8182;border-left-color:var(--danger);background:var(--danger-soft)}.task-title-row{display:flex;flex-wrap:wrap;align-items:center;gap:8px}.status-badge,.overdue-badge,.category-badge,.task-meta span{display:inline-flex;align-items:center;min-height:26px;border-radius:999px;padding:3px 9px;font-size:.82rem}.status-badge{gap:5px;background:var(--surface-soft);color:#24292f}.overdue-badge{gap:5px;background:#fff;color:var(--danger);border:1px solid #ff8182}.task-description{margin-bottom:10px;color:var(--muted);line-height:1.55;overflow-wrap:anywhere;white-space:pre-wrap}.task-meta{display:flex;flex-wrap:wrap;gap:7px;color:var(--muted)}.task-meta span{background:var(--surface-soft)}.category-badge{color:#24292f;background:color-mix(in srgb,var(--category-color) 16%,white);border:1px solid color-mix(in srgb,var(--category-color) 38%,white)}.task-actions{display:flex;align-items:flex-start;gap:6px}.icon-button{display:inline-grid;place-items:center;width:38px;height:38px;min-height:38px;border-color:var(--border);background:var(--surface);color:#24292f}.icon-button:hover{border-color:#8c959f;transform:translateY(-1px)}.icon-button.success{background:var(--success-soft);color:var(--success);border-color:#aceebb}.icon-button.danger{background:#fff;color:var(--danger)}.icon-button.muted{color:var(--muted)}.empty-state{display:grid;place-items:center;gap:10px;min-height:190px;color:var(--muted)}.empty-state p{margin-bottom:0}@media(max-width:820px){.app-shell{padding:14px}.top-bar{align-items:flex-start;flex-direction:column}h1{font-size:1.72rem}.summary-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.workspace,.field-grid,.filter-selects,.task-item{grid-template-columns:1fr}.task-actions{justify-content:flex-end}}@media(max-width:460px){.app-shell{padding:10px}.summary-grid{gap:8px}.summary-item{min-height:68px;padding:11px}.task-form,.category-panel,.filter-panel{padding:13px}.segmented-control{grid-template-columns:1fr}.form-actions,.install-button,.primary-button,.secondary-button{width:100%}.secondary-button.square{width:42px}.task-actions{display:grid;grid-template-columns:repeat(4,38px);justify-content:end}}