:root{
  --bg:#0f172a; --panel:#1e293b; --panel2:#273449; --line:#334155;
  --text:#e2e8f0; --muted:#94a3b8; --accent:#38bdf8; --accent2:#f472b6;
  --green:#34d399; --danger:#f87171; --radius:14px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:'Segoe UI',system-ui,sans-serif;background:var(--bg);color:var(--text);min-height:100vh;display:flex;flex-direction:column}
.app-header{display:flex;align-items:center;gap:16px;padding:14px 22px;background:var(--panel);border-bottom:1px solid var(--line);flex-wrap:wrap}
.logo{background:linear-gradient(135deg,var(--accent),var(--accent2));color:#0f172a;font-weight:800;padding:8px 14px;border-radius:10px;letter-spacing:1px}
.app-header h1{font-size:1.15rem;flex:1}
.header-actions{display:flex;gap:8px;flex-wrap:wrap}
.btn{border:none;border-radius:10px;padding:9px 16px;font-size:.88rem;font-weight:600;cursor:pointer;transition:.2s}
.btn.primary{background:var(--accent);color:#0f172a}
.btn.primary:hover{filter:brightness(1.1)}
.btn.ghost{background:transparent;color:var(--muted);border:1px solid var(--line)}
.btn.ghost:hover{color:var(--text);border-color:var(--muted)}
.btn.danger{color:var(--danger);border-color:#7f1d1d}
.btn.danger:hover{background:rgba(248,113,113,.12)}
.btn.small{padding:5px 10px;font-size:.78rem}

.layout{display:flex;flex:1;gap:0;min-height:0}
.sidebar{width:300px;background:var(--panel);border-right:1px solid var(--line);display:flex;flex-direction:column;overflow:hidden}
.search-box{padding:14px}
.search-box input{width:100%;padding:10px 14px;border-radius:10px;border:1px solid var(--line);background:var(--panel2);color:var(--text);outline:none}
.search-box input:focus{border-color:var(--accent)}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:8px;padding:0 14px 14px}
.stat{background:var(--panel2);border-radius:10px;padding:10px 6px;text-align:center}
.stat .n{font-size:1.25rem;font-weight:800;color:var(--accent)}
.stat .l{font-size:.66rem;color:var(--muted);text-transform:uppercase;letter-spacing:.5px}
.member-list{flex:1;overflow-y:auto;padding:6px 10px 14px}
.member-item{display:flex;align-items:center;gap:10px;padding:8px;border-radius:10px;cursor:pointer}
.member-item:hover{background:var(--panel2)}
.member-item img{width:38px;height:38px;border-radius:50%;object-fit:cover;border:2px solid var(--line)}
.avatar-fallback{width:38px;height:38px;border-radius:50%;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:.8rem;flex-shrink:0}
.mi-info{min-width:0}
.mi-name{font-size:.88rem;font-weight:600;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.mi-sub{font-size:.72rem;color:var(--muted)}

.main-view{flex:1;overflow:auto;padding:22px}
.view-header{display:flex;align-items:baseline;gap:14px;margin-bottom:18px;flex-wrap:wrap}
.view-header h2{font-size:1.25rem}
.view-sub{color:var(--muted);font-size:.85rem;flex:1}
.tree-wrap{background:var(--panel2);border:1px solid var(--line);border-radius:var(--radius);padding:26px 14px;overflow:auto}
.tree-root{display:flex;flex-direction:column;align-items:center}
.tree-node{display:flex;flex-direction:column;align-items:center}
.couple{display:flex;gap:6px;align-items:flex-start}
.tcard{width:118px;background:var(--panel);border:2px solid var(--line);border-radius:12px;padding:10px 6px;text-align:center;cursor:pointer;transition:.2s}
.tcard:hover{border-color:var(--accent);transform:translateY(-2px)}
.tcard.selected{border-color:var(--accent);box-shadow:0 0 0 3px rgba(56,189,248,.25)}
.tcard img{width:62px;height:62px;border-radius:50%;object-fit:cover;margin:0 auto 6px;border:2px solid var(--accent);display:block}
.tcard .avatar-fallback{width:62px;height:62px;font-size:1.2rem;margin:0 auto 6px}
.tcard .tname{font-size:.8rem;font-weight:700;line-height:1.2}
.tcard .tyears{font-size:.66rem;color:var(--muted)}
.tcard.gen0{border-color:var(--accent2)}
.gen-tag{font-size:.6rem;color:var(--accent2);text-transform:uppercase;letter-spacing:1px;margin-bottom:2px}
.children-line{width:2px;height:26px;background:var(--line)}
.children-row{display:flex;justify-content:center;flex-wrap:wrap;gap:34px;position:relative;padding-top:26px}
.children-row::before{content:'';position:absolute;top:0;left:50%;transform:translateX(-50%);min-width:60%;height:2px;background:var(--line)}
.children-row .tree-node{position:relative;padding-top:2px}
.children-row .tree-node::before{content:'';position:absolute;top:-26px;left:50%;width:2px;height:26px;background:var(--line)}

.detail-panel{margin-top:18px;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:18px;display:none}
.detail-panel.show{display:block}

.modal{position:fixed;inset:0;background:rgba(0,0,0,.6);display:none;align-items:center;justify-content:center;z-index:50;padding:20px}
.modal.open{display:flex}
.modal-card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);width:100%;max-width:640px;max-height:90vh;overflow-y:auto;padding:22px}
.modal-head{display:flex;justify-content:space-between;align-items:center;margin-bottom:16px}
.modal-head h3{font-size:1.1rem}
.modal-foot{display:flex;justify-content:flex-end;gap:10px;margin-top:18px;border-top:1px solid var(--line);padding-top:14px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.form-grid label{display:flex;flex-direction:column;gap:5px;font-size:.8rem;color:var(--muted);font-weight:600}
.form-grid .full{grid-column:1/-1}
.form-grid input,.form-grid select,.form-grid textarea{padding:9px 12px;border-radius:9px;border:1px solid var(--line);background:var(--panel2);color:var(--text);font-size:.9rem;outline:none;font-family:inherit}
.form-grid input:focus,.form-grid select:focus,.form-grid textarea:focus{border-color:var(--accent)}
.d-grid{display:grid;grid-template-columns:150px 1fr;gap:10px;font-size:.88rem}
.d-grid dt{color:var(--muted)}
.d-grid dt,.d-grid dd{padding:6px 0;border-bottom:1px dashed var(--line)}
.d-photo{display:flex;gap:16px;align-items:center;margin-bottom:14px}
.d-photo img{width:84px;height:84px;border-radius:14px;object-fit:cover;border:2px solid var(--accent)}
.d-photo .avatar-fallback{width:84px;height:84px;font-size:1.6rem}
.d-rel{margin-top:14px;padding-top:12px;border-top:1px solid var(--line)}
.d-rel h4{font-size:.8rem;color:var(--accent);text-transform:uppercase;letter-spacing:1px;margin-bottom:8px}
.chip{display:inline-flex;align-items:center;gap:6px;background:var(--panel2);border:1px solid var(--line);border-radius:99px;padding:4px 12px 4px 4px;margin:3px 6px 3px 0;cursor:pointer;font-size:.82rem}
.chip img{width:24px;height:24px;border-radius:50%;object-fit:cover}
.chip:hover{border-color:var(--accent)}
.app-footer{text-align:center;padding:12px;color:var(--muted);font-size:.75rem;border-top:1px solid var(--line);background:var(--panel)}
.empty{color:var(--muted);text-align:center;padding:40px 20px;font-size:.9rem}
@media(max-width:820px){
  .layout{flex-direction:column}
  .sidebar{width:100%;max-height:280px;border-right:none;border-bottom:1px solid var(--line)}
  .form-grid{grid-template-columns:1fr}
}