:root{--bg: #ffffff;--bg-panel: #f5f4f2;--bg-card: #ebe9e6;--text: #1a1a18;--text-muted: #5c5650;--accent: #b8860b;--accent-dim: #8b6914;--edge-parent: #5a7a9e;--edge-spouse: #a85a5a;--edge-child: #5a9a7a;--radius: 8px;--font-serif: "Cormorant Garamond", Georgia, serif;--font-sans: "DM Sans", system-ui, sans-serif}*{box-sizing:border-box}body{margin:0;font-family:var(--font-sans);background:var(--bg);color:var(--text);min-height:100vh;line-height:1.5}#app{display:grid;grid-template-columns:280px 1fr;grid-template-rows:auto 1fr;grid-template-areas:"header header" "sidebar main";min-height:100vh}.header{grid-area:header;display:flex;align-items:center;gap:1rem;padding:1rem 1.5rem;background:var(--bg-panel);border-bottom:1px solid rgba(0,0,0,.08)}.logo{font-family:var(--font-serif);font-size:1.75rem;font-weight:600;margin:0;color:var(--accent)}.tagline{margin:0;color:var(--text-muted);font-size:.9rem}.header-actions{margin-left:auto;display:flex;gap:.5rem}.btn{font-family:var(--font-sans);font-size:.875rem;padding:.5rem 1rem;border-radius:var(--radius);cursor:pointer;border:none;font-weight:500}.btn-primary{background:var(--accent);color:#fff}.btn-primary:hover{background:var(--accent-dim);color:#fff}.btn-ghost{background:transparent;color:var(--text-muted);border:1px solid var(--text-muted)}.btn-ghost:hover{color:var(--text);border-color:var(--text)}.btn-secondary{background:var(--bg-card, #ebe9e6);color:var(--text);border:1px solid var(--border, #ddd)}.btn-secondary:hover{background:var(--bg);border-color:var(--text-muted)}.sidebar{grid-area:sidebar;background:var(--bg-panel);padding:1.25rem;border-right:1px solid rgba(0,0,0,.06);overflow-y:auto}.sidebar h2{font-family:var(--font-serif);font-size:1.25rem;margin:0 0 .5rem;color:var(--accent)}.sidebar-hint{font-size:.8rem;color:var(--text-muted);margin:0 0 1rem}.form-relation{display:flex;flex-direction:column;gap:.5rem;margin-bottom:1.5rem}.form-relation select{padding:.5rem;border-radius:var(--radius);border:1px solid var(--bg-card);background:var(--bg);color:var(--text);font-family:var(--font-sans)}.person-list h3{font-size:.9rem;color:var(--text-muted);margin:0 0 .5rem}.person-list ul{list-style:none;padding:0;margin:0}.person-list li{padding:.35rem 0;border-bottom:1px solid rgba(0,0,0,.06);display:flex;justify-content:space-between;align-items:center;gap:.5rem}.person-list li button{background:none;border:none;color:var(--text-muted);cursor:pointer;font-size:.75rem;padding:.2rem}.person-list li button:hover{color:var(--accent)}.main{grid-area:main;position:relative;display:flex;flex-direction:column;min-height:0;overflow:hidden}#tree-container{flex:1;min-height:400px;width:100%;height:100%;background:var(--bg);position:relative}#tree-legend{position:absolute;bottom:1rem;left:1rem;display:flex;gap:1rem;font-size:.8rem;color:var(--text-muted)}.legend-item{display:flex;align-items:center;gap:.35rem}.legend-item .edge{width:20px;height:3px;border-radius:2px}.legend-item .edge.parent{background:var(--edge-parent)}.legend-item .edge.spouse{background:var(--edge-spouse)}.legend-item .edge.child{background:var(--edge-child)}#tree-container .error,#tree-container .tree-empty{padding:2rem;color:var(--text-muted)}.tree-wrapper{overflow:auto;min-height:100%}.tree-canvas{position:relative}.tree-connectors{display:block}.tree-connectors .connector-line{stroke:#4a4a4a;stroke-width:2.5;stroke-linecap:square;stroke-linejoin:miter;opacity:1}.tree-nodes{position:absolute;left:0;top:0;right:0;bottom:0;pointer-events:none}.tree-nodes .tree-node{position:absolute;pointer-events:auto}:root{--male-header: #388E3C;--male-tag: #388E3C;--male-btn: #66BB6A;--male-card: #fff;--male-border: rgba(52, 119, 216, .25);--female-header: #C2185B;--female-tag: #C2185B;--female-btn: #E91E63;--female-card: #fff;--female-border: rgba(233, 30, 99, .25);--female-text: #1a1a18;--female-photo: #E0E0E0}.tree{padding:1.5rem;display:flex;flex-direction:column;align-items:center;gap:0;min-height:100%}.tree-level{display:flex;justify-content:center;align-items:flex-end;gap:3rem;flex-wrap:wrap}.tree-connector{width:2px;min-height:28px;background:var(--text-muted);opacity:.5;margin:0 auto}.tree-couple{display:flex;align-items:stretch;gap:0}.tree-couple__line{display:block;width:24px;align-self:center;border-bottom:2px solid var(--text-muted);opacity:.6}.tree-children{display:flex;justify-content:center;gap:1.5rem;flex-wrap:wrap}.tree-card{width:140px;background:#fff;border-radius:12px;overflow:hidden;box-shadow:0 2px 10px #00000014;border:1px solid rgba(0,0,0,.08);cursor:pointer;transition:transform .15s;color:var(--text)}.tree-card--male{background:var(--male-card);border-color:var(--male-border)}.tree-card--female{background:var(--female-card);border-color:var(--female-border);border-width:1.5px}.tree-card--female .tree-card__photo{color:var(--female-photo)}.tree-card:hover{transform:translateY(-2px)}.tree-card__header{height:10px}.tree-card--male .tree-card__header{background:var(--male-header);border-radius:12px 12px 0 0}.tree-card--female .tree-card__header{background:var(--female-header);border-radius:12px 12px 0 0}.tree-card__tag{padding:6px 8px 4px;min-height:2em;font-size:.75rem;font-weight:600;text-align:center;line-height:1.2;display:flex;align-items:center;justify-content:center}.tree-card--male .tree-card__tag{background:var(--male-tag);color:#fff}.tree-card--male .tree-card__tag .tree-card__tag-en{color:#fffffff2}.tree-card--female .tree-card__tag{background:var(--female-tag);color:#fff}.tree-card--female .tree-card__tag .tree-card__tag-en{color:#fffffff2}.tree-card__tag-en{font-size:.65rem;font-weight:400}.tree-card__photo{padding:12px 20px 8px;color:silver;display:flex;justify-content:center;align-items:center}.tree-card__photo svg,.tree-card__photo .tree-card__photo-img{width:56px;height:70px;display:block}.tree-card__photo .tree-card__photo-img{object-fit:cover;border-radius:50%}.tree-card__name-en{text-align:center;font-size:.8rem;color:#1a1a18;padding:0 6px 8px}.tree-card--male .tree-card__name-en{color:#1a1a18}.tree-card--female .tree-card__name-en{color:var(--female-text)}.tree-card__actions{display:flex;justify-content:center;gap:6px;padding:8px 10px 10px;border-top:1px solid rgba(0,0,0,.06)}.tree-card--male .tree-card__actions{border-top-color:var(--male-border)}.tree-card--female .tree-card__actions{border-top-color:var(--female-border)}.tree-card__btn{width:28px;height:28px;border-radius:50%;border:none;cursor:pointer;font-size:.85rem;display:inline-flex;align-items:center;justify-content:center;padding:0;transition:opacity .15s;color:#fff;overflow:hidden}.tree-card__btn:hover{opacity:.9}.tree-card__btn .tree-card__btn-icon{display:block;width:100%;height:100%;object-fit:contain}.tree-card__btn:has(.tree-card__btn-icon){background:transparent}.tree-card--male .tree-card__btn:not(:has(.tree-card__btn-icon)){background:var(--male-btn)}.tree-card--female .tree-card__btn:not(:has(.tree-card__btn-icon)){background:var(--female-btn)}.tree-card--placeholder{opacity:.85}.tree-card--placeholder .tree-card__tag{font-style:italic}dialog{border:none;border-radius:var(--radius);padding:0;background:var(--bg-panel);color:var(--text);box-shadow:0 20px 60px #00000080;max-width:420px;width:90%}dialog::backdrop{background:#00000059}#form-person{padding:1.5rem}#form-person h2{font-family:var(--font-serif);margin:0 0 1rem;color:var(--accent)}#form-person label{display:block;margin-bottom:.75rem;font-size:.9rem}#form-person input,#form-person select,#form-person textarea{width:100%;padding:.5rem;margin-top:.25rem;border-radius:var(--radius);border:1px solid var(--bg-card);background:var(--bg);color:var(--text);font-family:var(--font-sans)}.modal-actions{display:flex;gap:.5rem;margin-top:1.25rem}.modal-actions .btn-primary{flex:1}.modal-title{margin:0 0 .5rem;font-size:1.25rem;color:var(--text)}.modal-message{margin:0;font-size:.95rem;color:var(--text-muted, #5c5650);line-height:1.4}.modal[open]{padding:1.5rem}