*,:before,:after{box-sizing:border-box}:root{--bg:#f8f7ff;--bg-subtle:#fff;--card:#fff;--border:#e7e0ff;--text:#1e1b2e;--muted:#65607a;--muted-strong:#5a5670;--primary:#4f46e5;--primary-hover:#4338ca;--danger:#dc2626;--danger-hover:#b91c1c;--radius:14px;--radius-sm:10px;--shadow:0 4px 24px #1e145014;--shadow-sm:0 1px 6px #1e145012;--focus:0 0 0 3px #4f46e54d}:root[data-theme=dark]{--bg:#12111a;--bg-subtle:#1a1926;--card:#1e1d2e;--border:#2e2c45;--text:#eceaf6;--muted:#a8a5bb;--muted-strong:#b8b5c9;--primary:#7c75ff;--primary-hover:#6a63e6;--shadow:0 4px 24px #0006;--shadow-sm:0 1px 8px #0000004d}html,body{background:var(--bg);color:var(--text);-webkit-font-smoothing:antialiased;margin:0;padding:0;font-family:Inter,system-ui,-apple-system,sans-serif;line-height:1.5}html{transition:background-color .22s,color .22s}.card,.header,.input,.btn,.badge,.search-wrap,.todo-item,.modal,.empty-illust{transition:background-color .2s,border-color .2s,color .2s,box-shadow .2s}@media (prefers-reduced-motion:reduce){html,.card,.header,.input,.btn,.badge,.search-wrap,.todo-item,.modal,.empty-illust{transition:none!important}.toast,.modal-overlay,.todo-item{animation:none!important}}a{color:var(--primary);text-decoration:none}a:hover{text-decoration:underline}a:focus-visible{box-shadow:var(--focus);border-radius:4px;outline:none}.header{z-index:10;background:color-mix(in srgb, var(--card) 88% transparent);border-bottom:1px solid var(--border);-webkit-backdrop-filter:blur(8px);position:sticky;top:0}@supports not (background:color-mix(in srgb, red 50% transparent)){.header{background:var(--card)}}.header-inner{justify-content:space-between;align-items:center;gap:16px;max-width:720px;margin:0 auto;padding:14px 16px;display:flex}.header-actions{align-items:center;gap:10px;display:flex}.header-user{color:var(--muted);text-overflow:ellipsis;white-space:nowrap;max-width:160px;font-size:13px;overflow:hidden}.brand{align-items:center;gap:12px;display:flex}.brand-mark{background:var(--primary);color:#fff;border-radius:10px;place-items:center;width:36px;height:36px;font-size:18px;font-weight:700;display:grid}.brand-title{letter-spacing:-.02em;margin:0;font-size:20px;font-weight:700;line-height:1.2}.brand-sub{color:var(--muted);margin:0;font-size:13px;line-height:1.3}.app{flex-direction:column;min-height:100vh;display:flex}.container{flex-direction:column;flex:1;gap:20px;width:100%;max-width:720px;margin:0 auto;padding:24px 16px 32px;display:flex}.card{background:var(--card);border:1px solid var(--border);border-radius:var(--radius);box-shadow:var(--shadow-sm)}.banner{border-radius:var(--radius-sm);border:1px solid;padding:12px 14px;font-size:13px;line-height:1.4}.banner-error{color:#7f1d1d;background:#fef2f2;border-color:#fecaca}:root[data-theme=dark] .banner-error{color:#fecaca;background:#2a1212;border-color:#4a1f1f}.banner-warning{color:#78350f;background:#fffbeb;border-color:#fde68a}:root[data-theme=dark] .banner-warning{color:#fde68a;background:#2a2410;border-color:#5a4a1a}.input-card{box-shadow:var(--shadow);padding:18px}.input-card:focus-within{border-color:color-mix(in srgb, var(--primary) 24% var(--border))}.input-row{gap:10px;display:flex}.input{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-subtle);color:var(--text);font:inherit;outline:none;flex:1;padding:11px 14px;font-size:15px;transition:border-color .15s,box-shadow .15s}.input::placeholder{color:var(--muted)}.input:focus{border-color:var(--primary);box-shadow:var(--focus)}.input-sm{padding:8px 12px;font-size:14px}.textarea{resize:vertical;min-height:64px}.select{cursor:pointer}.field{flex-direction:column;gap:6px;display:flex}.field-label{color:var(--muted-strong);letter-spacing:.02em;text-transform:uppercase;font-size:12px;font-weight:600}.field-error{color:var(--danger);margin:8px 0 0;font-size:13px}.char-count{color:var(--muted);font-variant-numeric:tabular-nums;font-size:12px}.char-count.warn{color:#d97706;font-weight:600}.char-count.danger{color:var(--danger);font-weight:600}.input-meta{justify-content:space-between;align-items:center;gap:12px;margin-top:10px;display:flex}.details-grid{gap:12px;margin-top:14px;display:grid}@media (width>=560px){.details-grid{grid-template-columns:1fr 180px}}.link-btn{color:var(--primary);font:inherit;cursor:pointer;background:0 0;border:none;border-radius:6px;margin-left:-4px;padding:2px 4px;font-size:13px;font-weight:600}.link-btn:hover{text-decoration:underline}.link-btn:focus-visible{box-shadow:var(--focus);outline:none}.btn{border-radius:var(--radius-sm);min-height:40px;font:inherit;cursor:pointer;white-space:nowrap;border:1px solid #0000;justify-content:center;align-items:center;gap:6px;padding:0 18px;font-size:14px;font-weight:600;line-height:1;transition:background .15s,border-color .15s,color .15s,transform 80ms,box-shadow .15s;display:inline-flex}.btn:focus-visible{box-shadow:var(--focus);outline:none}.btn:hover{transform:translateY(-.5px)}.btn:active{filter:brightness(.97);transform:translateY(.5px)}.btn:disabled{opacity:.5;pointer-events:none}.btn-primary{background:var(--primary);color:#fff;border-color:var(--primary)}.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover)}.btn-ghost{background:var(--bg-subtle);border-color:var(--border);color:var(--text)}.btn-ghost:hover{background:var(--bg)}.btn-danger{background:var(--danger);color:#fff;border-color:var(--danger)}.btn-danger:hover{background:var(--danger-hover)}.btn-danger-ghost{background:var(--bg-subtle);color:var(--danger);border-color:#fecaca}.btn-danger-ghost:hover{background:#fef2f2;border-color:#fca5a5}:root[data-theme=dark] .btn-danger-ghost{color:#fca5a5;border-color:#4a1f1f}:root[data-theme=dark] .btn-danger-ghost:hover{background:#2a1212}.btn-sm{min-height:36px;padding:0 14px;font-size:13px}.icon-btn{border-radius:10px;place-items:center;width:40px;height:40px;min-height:40px;padding:0;display:grid}.icon-btn svg{width:18px;height:18px;display:block}.toolbar{background:var(--bg-subtle);flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px;display:flex}.search-wrap{border:1px solid var(--border);border-radius:var(--radius-sm);background:var(--bg-subtle);flex:1;align-items:center;gap:8px;min-width:200px;padding:0 10px;display:flex}.search-wrap:focus-within{border-color:var(--primary);box-shadow:var(--focus)}.search-icon{color:var(--muted);flex-shrink:0;place-items:center;display:grid}.search-icon svg{width:16px;height:16px;display:block}.search-input{background:0 0;border:none;flex:1;min-width:0;padding-left:0;box-shadow:none!important}.search-input::-webkit-search-cancel-button{display:none}.search-input::-webkit-search-decoration{display:none}.filter-bar{flex-wrap:wrap;gap:6px;display:flex}.results-meta{width:100%;color:var(--muted);font-variant-numeric:tabular-nums;padding:2px 2px 0;font-size:13px}.results-meta strong{color:var(--text);font-weight:600}.list-section{min-height:200px;overflow:hidden}.todo-list{margin:0;padding:0;list-style:none}.todo-item{border-bottom:1px solid var(--border);align-items:flex-start;gap:12px;padding:16px;display:flex}.todo-item:last-child{border-bottom:none}.todo-item.completed .todo-title{color:var(--muted);text-decoration:line-through}.todo-item.completed{opacity:.75}.check-wrap{cursor:pointer;flex-shrink:0;margin-top:2px;position:relative}.check-wrap input{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.checkmark{border:2px solid var(--border);background:var(--bg-subtle);border-radius:7px;place-items:center;width:22px;height:22px;font-size:13px;transition:background .15s,border-color .15s;display:grid}.check-wrap input:checked+.checkmark{background:var(--primary);border-color:var(--primary);color:#fff}.check-wrap input:checked+.checkmark:after{content:"✓";font-size:12px;font-weight:700;line-height:1}.check-wrap input:focus-visible+.checkmark{box-shadow:var(--focus)}.todo-main{flex:1;min-width:0}.todo-title-row{flex-wrap:wrap;align-items:center;gap:8px;display:flex}.todo-title{word-break:break-word;-webkit-line-clamp:2;-webkit-box-orient:vertical;font-size:16px;font-weight:650;line-height:1.35;display:-webkit-box;overflow:hidden}.todo-desc{color:var(--muted);white-space:pre-wrap;word-break:break-word;-webkit-line-clamp:3;-webkit-box-orient:vertical;margin:6px 0 0;font-size:14px;line-height:1.5;display:-webkit-box;overflow:hidden}.todo-desc.expanded{display:block}.todo-date{color:var(--muted);font-variant-numeric:tabular-nums;margin-top:6px;font-size:12px;display:block}.badge{text-transform:uppercase;letter-spacing:.05em;border-radius:99px;padding:3px 8px;font-size:11px;font-weight:700;line-height:1}.badge-low{color:#075985;background:#e0f2fe}.badge-medium{color:#78350f;background:#fef3c7}.badge-high{color:#7f1d1d;background:#fee2e2}:root[data-theme=dark] .badge-low{color:#7dd3fc;background:#0c2a3a}:root[data-theme=dark] .badge-medium{color:#fcd34d;background:#3a2e0c}:root[data-theme=dark] .badge-high{color:#fca5a5;background:#3a1212}.search-hit{background:color-mix(in srgb, var(--primary) 18% transparent);border-radius:3px;padding:0 1px;font-weight:600}:root[data-theme=dark] .search-hit{background:#7c75ff47}.todo-actions{flex-shrink:0;gap:6px;margin-top:2px;display:flex}.edit-form{flex-direction:column;gap:8px;display:flex}.edit-actions{gap:8px;display:flex}.hint{color:var(--muted);margin:0;font-size:12px}.empty{text-align:center;flex-direction:column;align-items:center;gap:0;padding:40px 24px 36px;display:flex}.empty-illust{width:96px;height:72px;color:var(--primary);opacity:.95;margin-bottom:16px}.empty-illust svg{width:100%;height:100%;display:block}.empty h2{letter-spacing:-.015em;margin:0 0 6px;font-size:18px;font-weight:700;line-height:1.3}.empty p{color:var(--muted);max-width:32ch;margin:0;font-size:14px;line-height:1.5}.empty-actions{flex-wrap:wrap;justify-content:center;gap:10px;margin-top:18px;display:flex}.footer-bar{flex-wrap:wrap;justify-content:space-between;align-items:center;gap:12px;padding:12px 16px;font-size:14px;display:flex}.count{font-variant-numeric:tabular-nums}.count strong{font-size:16px;font-weight:700}.muted{color:var(--muted)}.toast{background:var(--text);color:var(--card);box-shadow:var(--shadow);z-index:50;text-align:center;border-radius:99px;max-width:min(92vw,520px);padding:11px 16px;font-size:14px;font-weight:500;line-height:1.4;position:fixed;bottom:24px;left:50%;transform:translate(-50%)}.modal-overlay{z-index:40;background:#00000073;place-items:center;padding:16px;display:grid;position:fixed;inset:0}.modal{width:100%;max-width:420px;padding:20px}.modal h3{letter-spacing:-.015em;margin:0 0 6px;font-size:17px;font-weight:700}.modal p{color:var(--muted);margin:0 0 16px;font-size:14px;line-height:1.5}.modal-actions{justify-content:flex-end;gap:10px;display:flex}.visually-hidden{clip:rect(0, 0, 0, 0);white-space:nowrap;border:0;width:1px;height:1px;margin:-1px;padding:0;position:absolute;overflow:hidden}.app-footer{text-align:center;color:var(--muted);padding:16px;font-size:13px}.error-boundary{background:var(--bg);place-items:center;min-height:100vh;padding:24px 16px;display:grid}.error-card{width:100%;max-width:560px;padding:24px}.error-card h2{letter-spacing:-.02em;margin:0 0 8px;font-size:20px;font-weight:700}.error-card p{color:var(--muted);margin:0 0 16px;font-size:14px;line-height:1.6}.error-actions{flex-wrap:wrap;gap:10px;display:flex}.auth-card{flex-direction:column;gap:16px;width:100%;max-width:420px;margin:0 auto;padding:22px;display:flex}.auth-header h2{margin:0 0 4px;font-size:20px;font-weight:700}.auth-tabs{gap:8px;display:flex}.auth-card form{flex-direction:column;gap:12px;display:flex}.auth-submit{justify-content:center;width:100%;margin-top:4px}.auth-hint{font-size:12px;line-height:1.5}.auth-container{align-items:center}.auth-footer{text-align:center;max-width:420px;margin-top:8px;font-size:13px}