:root{--bg: #0f1419;--surface: #1a2230;--surface-2: #222d3d;--border: #2d3a4d;--text: #e8edf2;--text-dim: #8a99ab;--accent: #4db6ac;--accent-strong: #26a69a;--warn: #ffb74d;--danger: #ef7a85;--radius: 14px;font-family:-apple-system,BlinkMacSystemFont,Hiragino Sans,Yu Gothic UI,Segoe UI,Roboto,sans-serif}*{box-sizing:border-box}body{margin:0;background:radial-gradient(1200px 600px at 50% -10%,#16202e 0%,var(--bg) 60%);color:var(--text);min-height:100vh;-webkit-font-smoothing:antialiased}#app{max-width:760px;margin:0 auto;padding:24px 16px 80px}header.top{text-align:center;margin-bottom:8px}header.top h1{font-size:1.6rem;margin:0 0 4px;letter-spacing:.02em}header.top p{margin:0;color:var(--text-dim);font-size:.85rem}.card{background:var(--surface);border:1px solid var(--border);border-radius:var(--radius);padding:16px;margin-top:16px}.form-card h2,.list-card h2{font-size:1rem;margin:0 0 12px;color:var(--accent)}label{display:block;font-size:.78rem;color:var(--text-dim);margin:10px 0 4px}input,textarea,select{width:100%;background:var(--surface-2);border:1px solid var(--border);border-radius:10px;color:var(--text);padding:10px 12px;font-size:.95rem;font-family:inherit}textarea{resize:vertical;min-height:60px}input:focus,textarea:focus,select:focus{outline:none;border-color:var(--accent)}.row{display:flex;gap:10px}.row>*{flex:1}button{cursor:pointer;border:none;border-radius:10px;font-size:.92rem;font-weight:600;font-family:inherit;transition:filter .12s ease,transform .05s ease}button:active{transform:translateY(1px)}.btn-primary{background:var(--accent-strong);color:#04201c;padding:12px 16px;width:100%;margin-top:16px}.btn-primary:hover{filter:brightness(1.08)}.btn-ghost{background:transparent;border:1px solid var(--border);color:var(--text-dim);padding:6px 10px;font-size:.78rem}.btn-ghost:hover{color:var(--text);border-color:var(--accent)}.empty{text-align:center;color:var(--text-dim);padding:28px 12px;font-size:.9rem}.person{border:1px solid var(--border);border-radius:12px;padding:14px;margin-top:12px;background:var(--surface-2)}.person.overdue{border-color:var(--warn)}.person.overdue-strong{border-color:var(--danger)}.person-head{display:flex;justify-content:space-between;align-items:baseline;gap:8px}.person-name{font-size:1.05rem;font-weight:700}.person-rel{color:var(--text-dim);font-size:.8rem}.badge{font-size:.72rem;padding:3px 8px;border-radius:999px;white-space:nowrap}.badge.ok{background:#4db6ac2e;color:var(--accent)}.badge.warn{background:#ffb74d2e;color:var(--warn)}.badge.danger{background:#ef7a852e;color:var(--danger)}.person-memo{margin:10px 0 0;font-size:.88rem;color:var(--text);white-space:pre-wrap;line-height:1.5}.meta{font-size:.78rem;color:var(--text-dim);margin-top:8px}.topics{margin-top:12px;background:#4db6ac12;border:1px dashed var(--border);border-radius:10px;padding:10px 12px}.topics .topics-title{font-size:.74rem;color:var(--accent);font-weight:700;display:flex;justify-content:space-between;align-items:center}.topics ul{margin:8px 0 0;padding-left:18px}.topics li{font-size:.86rem;margin:4px 0;line-height:1.45}.person-actions{margin-top:12px;display:flex;gap:8px}.history{margin-top:12px}.history>summary{cursor:pointer;font-size:.78rem;color:var(--text-dim);list-style:none;-webkit-user-select:none;user-select:none;padding:4px 0}.history>summary::-webkit-details-marker{display:none}.history>summary:before{content:"▸ ";color:var(--accent)}.history[open]>summary:before{content:"▾ "}.history>summary:hover{color:var(--text)}.timeline{list-style:none;margin:8px 0 6px;padding:0 0 0 4px;border-left:2px solid var(--border)}.timeline li{position:relative;display:flex;align-items:baseline;gap:8px;padding:5px 0 5px 14px;font-size:.82rem}.timeline li:before{content:"";position:absolute;left:-5px;top:10px;width:8px;height:8px;border-radius:50%;background:var(--accent)}.tl-date{color:var(--accent);font-variant-numeric:tabular-nums;white-space:nowrap}.tl-note{color:var(--text);flex:1;line-height:1.4;white-space:pre-wrap;word-break:break-word}.tl-note.dim{color:var(--text-dim);font-style:italic}.tl-del{background:transparent;color:var(--text-dim);font-size:.95rem;line-height:1;padding:0 4px}.tl-del:hover{color:var(--danger)}.tl-empty{font-size:.8rem;color:var(--text-dim);padding:6px 0}.tl-add{margin-top:4px}.phase-note{margin-top:6px;font-size:.68rem;color:var(--text-dim)}.backup-card h2{color:var(--accent)}.backup-desc{font-size:.8rem;color:var(--text-dim);margin:0 0 12px;line-height:1.5}.backup-actions{display:flex;gap:10px;flex-wrap:wrap}.backup-actions .btn-ghost{flex:1;min-width:140px;padding:10px 12px;font-size:.85rem}.backup-msg{margin-top:12px;padding:10px 12px;border-radius:10px;font-size:.82rem;line-height:1.5}.backup-msg.ok{background:#4db6ac1f;color:var(--accent);border:1px solid var(--border)}.backup-msg.warn{background:#ffb74d1f;color:var(--warn);border:1px solid var(--border)}.backup-msg.err{background:#ef7a851f;color:var(--danger);border:1px solid var(--border)}footer.foot{text-align:center;color:var(--text-dim);font-size:.72rem;margin-top:32px;line-height:1.6}.due-pill{display:inline-block;margin-left:8px;padding:2px 8px;font-size:.72rem;font-weight:600;color:#fff;background:var(--warn, #d97706);border-radius:999px;vertical-align:middle}.empty-cta{margin-top:16px;display:flex;flex-direction:column;align-items:center;gap:6px}.btn-ghost.try-sample{font-size:.85rem;padding:9px 16px;border-color:var(--accent);color:var(--text)}.empty-cta-hint{font-size:.72rem;color:var(--text-dim);line-height:1.5}