:root{color-scheme:dark;--bg: #0c100e;--surface: #131a16;--surface-raised: #1a2320;--border: #2a3531;--border-strong: #3d4b45;--control-border: #607468;--ink: #e9e7de;--ink-muted: #a7b0aa;--ink-faint: #78837c;--accent: #c9a24a;--accent-bright: #e0bf6b;--accent-deep: #8a6a1f;--leaf: #56a06d;--danger: #d4534b;--warn: #d9a441;--focus-ring: var(--accent-bright);--font-sans: system-ui, -apple-system, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;--font-mono: ui-monospace, SFMono-Regular, Menlo, Consolas, "Liberation Mono", monospace;--text-sm: .875rem;--text-md: 1rem;--text-lg: 1.25rem;--text-xl: 1.75rem;--text-2xl: 2.25rem;--space-1: .25rem;--space-2: .5rem;--space-3: .75rem;--space-4: 1rem;--space-5: 1.5rem;--space-6: 3rem;--radius-sm: 4px;--radius-md: 8px;--radius-lg: 14px;--shadow-1: 0 1px 2px rgb(0 0 0 / 40%);--shadow-2: 0 6px 24px rgb(0 0 0 / 45%);--dur-fast: .12s;--dur-med: .24s;--ease: cubic-bezier(.2, .7, .2, 1)}*{box-sizing:border-box}html,body{margin:0;min-height:100%}body{background:var(--bg);color:var(--ink);font-family:var(--font-sans);font-size:var(--text-md);line-height:1.5;-webkit-font-smoothing:antialiased}#app{min-height:100vh;display:flex;flex-direction:column}:focus-visible{outline:2px solid var(--focus-ring);outline-offset:2px}.skip-link{position:absolute;left:-9999px;top:0;z-index:20;padding:var(--space-2) var(--space-4);background:var(--surface-raised);color:var(--ink);border:1px solid var(--accent);border-radius:var(--radius-sm);text-decoration:none}.skip-link:focus{left:var(--space-3);top:var(--space-3)}.shell-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-4);padding:var(--space-3) var(--space-5);background:var(--surface);border-bottom:1px solid var(--border)}.brand{display:flex;align-items:baseline;gap:var(--space-2);font-weight:700;letter-spacing:.02em;font-size:var(--text-lg)}.brand__mark{color:var(--accent)}.lang-switch{font:inherit;font-size:var(--text-sm);font-weight:600;padding:var(--space-2) var(--space-3);background:var(--surface-raised);color:var(--ink);border:1px solid var(--border-strong);border-radius:var(--radius-md);cursor:pointer;transition:border-color var(--dur-fast) var(--ease),color var(--dur-fast) var(--ease)}.lang-switch:hover{border-color:var(--accent);color:var(--accent-bright)}.shell-nav{display:flex;flex-wrap:wrap;gap:var(--space-1);padding:var(--space-2) var(--space-5);background:var(--surface);border-bottom:1px solid var(--border)}.shell-nav a{color:var(--ink-muted);text-decoration:none;font-size:var(--text-sm);font-weight:600;padding:var(--space-2) var(--space-3);border-radius:var(--radius-md);transition:color var(--dur-fast) var(--ease),background var(--dur-fast) var(--ease)}.shell-nav a:hover{color:var(--accent-bright);background:var(--surface-raised)}.shell-nav a[aria-current=page]{color:var(--accent-bright);background:var(--surface-raised);box-shadow:inset 0 -2px 0 var(--accent)}.shell-main{flex:1;width:100%;max-width:64rem;margin-inline:auto;padding:var(--space-6) var(--space-5)}.shell-main:focus{outline:none}.view-title{margin:0 0 var(--space-4);font-size:var(--text-2xl);line-height:1.15}.view-note{margin:0;padding:var(--space-3) var(--space-4);background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--radius-md);color:var(--ink-muted);max-width:42rem}.view-back{display:inline-block;margin-top:var(--space-4);color:var(--accent-bright)}.empty-state{margin:var(--space-3) 0;padding:var(--space-3) var(--space-4);border:1px dashed var(--border);border-radius:var(--radius-md);color:var(--ink-muted);max-width:42rem}.shell-footer{display:flex;flex-wrap:wrap;gap:var(--space-3);justify-content:space-between;padding:var(--space-4) var(--space-5);border-top:1px solid var(--border);color:var(--ink-faint);font-size:var(--text-sm)}@media(max-width:640px){.shell-header,.shell-nav,.shell-footer,.shell-main{padding-inline:var(--space-3)}}@media(prefers-reduced-motion:reduce){*,*:before,*:after{animation-duration:.01ms!important;transition-duration:.01ms!important}}.shell-main--wide{max-width:none;padding:var(--space-4) clamp(var(--space-3),2vw,var(--space-5)) var(--space-5)}.tree-view{--tree-height: clamp(34rem, calc(100vh - 19rem) , 54rem);display:flex;flex-direction:column;gap:var(--space-3);min-width:0}.tree-header{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--space-3)}.tree-view .view-title{margin-bottom:var(--space-1)}.tree-view .view-subtitle{margin:0}.tree-actions{display:flex;flex-wrap:wrap;align-items:center;gap:var(--space-2);margin:0}.tree-actions .btn{min-height:2.5rem;font-weight:650}.tree-search{display:flex;flex:1 1 16rem;min-width:0}.tree-search input{width:100%;min-height:2.5rem}.tree-notice{margin:0;padding:var(--space-2) var(--space-3);border:1px solid var(--border);border-left:3px solid var(--accent);border-radius:var(--radius-md);background:var(--surface);font-size:var(--text-sm)}.tree-notice.is-error{border-left-color:var(--danger);background:color-mix(in srgb,var(--danger) 10%,var(--surface))}.tree-notice.is-ok{border-left-color:var(--leaf)}.tree-layout{display:grid;grid-template-areas:"sidebar main editor";grid-template-columns:minmax(12rem,14rem) minmax(0,1fr) minmax(17rem,21rem);gap:var(--space-3);align-items:start;min-width:0}.tree-main{grid-area:main;height:var(--tree-height);min-width:0}.tree-sidebar{grid-area:sidebar}.tree-editor{grid-area:editor}.tree-sidebar,.tree-editor{height:var(--tree-height);min-width:0;padding:var(--space-3);overflow-y:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:var(--border-strong) transparent;background:linear-gradient(180deg,var(--surface-raised),var(--surface));border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-1)}.panel-header{display:flex;align-items:center;justify-content:space-between;gap:var(--space-2);margin-bottom:var(--space-3)}.panel-header h2{margin:0;font-size:var(--text-lg);line-height:1.2}.count-badge{min-width:1.6rem;padding:.05rem .4rem;border:1px solid var(--border-strong);border-radius:999px;color:var(--ink-muted);font-size:.75rem;font-variant-numeric:tabular-nums;text-align:center}.people-list{display:flex;flex-direction:column;gap:2px;margin:0;padding:0;list-style:none}.people-list .person-item{display:flex;flex-direction:column;gap:.12rem;width:100%;padding:.45rem .55rem;border:1px solid transparent;border-radius:var(--radius-md);background:transparent;color:var(--ink);text-align:left;cursor:pointer}.people-list .person-item:hover{border-color:var(--border);background:var(--surface-raised)}.people-list .person-item.is-selected{border-color:color-mix(in srgb,var(--accent) 65%,var(--border));background:color-mix(in srgb,var(--accent) 12%,transparent)}.person-item__name{overflow:hidden;font-size:.875rem;font-weight:650;text-overflow:ellipsis;white-space:nowrap}.person-item__meta{display:flex;flex-wrap:wrap;align-items:center;gap:.3rem;color:var(--ink-faint);font-size:.72rem;font-variant-numeric:tabular-nums}.mini-badge{padding:.05rem .35rem;border-radius:999px;background:var(--accent);color:#171208;font-size:.56rem;font-weight:800;letter-spacing:.07em;line-height:1.4;text-transform:uppercase}.tree-warnings{margin-top:var(--space-4);padding:var(--space-2) var(--space-3);border:1px solid color-mix(in srgb,var(--warn) 55%,var(--border));border-radius:var(--radius-md);background:color-mix(in srgb,var(--warn) 8%,transparent)}.tree-warnings h2{margin:0 0 .25rem;font-size:.72rem;letter-spacing:.06em;text-transform:uppercase}.tree-warnings ul{margin:0;padding-left:1rem;color:var(--ink-muted);font-size:.78rem}.tree-editor__head{display:flex;align-items:flex-start;justify-content:space-between;gap:var(--space-3);margin-bottom:var(--space-3);padding-bottom:var(--space-3);border-bottom:1px solid var(--border)}.tree-editor__head h2{margin:0;font-size:var(--text-lg);line-height:1.2}.tree-editor__head p{margin:.1rem 0 0;color:var(--ink-muted);font-size:var(--text-sm);font-variant-numeric:tabular-nums}.tree-editor__empty{display:flex;flex-direction:column;justify-content:center;min-height:70%;color:var(--ink-muted);font-size:var(--text-sm);text-align:center}.form{display:flex;flex-direction:column;gap:var(--space-3)}.form-row{display:flex;flex-wrap:wrap;gap:var(--space-2);margin:0}.form-row>label{display:flex;flex:1 1 9rem;flex-direction:column;gap:.25rem;min-width:0;color:var(--ink-muted);font-size:.75rem;font-weight:600}.form-row input,.form-row select{width:100%;padding:.5rem .6rem;font-size:var(--text-sm)}.form-row .checkbox{flex:0 1 auto;flex-direction:row;align-self:flex-end;align-items:center;gap:.45rem;padding-bottom:.55rem;color:var(--ink);font-size:var(--text-sm);font-weight:500;white-space:nowrap}.form-row .checkbox input{width:auto;margin:0}.form-dates{display:flex;flex-direction:column;gap:var(--space-2);margin:0;padding:var(--space-2) var(--space-3) var(--space-3);border:1px solid var(--border);border-radius:var(--radius-md)}.form-dates legend{padding:0 .25rem;color:var(--ink-muted);font-size:.72rem;font-weight:700;letter-spacing:.04em;text-transform:uppercase}.form-hint{margin:0;color:var(--ink-faint);font-size:.7rem}.form-actions{display:flex;flex-wrap:wrap;gap:var(--space-2);margin:0}.form-actions .btn{padding:.45rem .75rem;font-size:var(--text-sm)}.relations{margin-top:var(--space-4);padding-top:var(--space-3);border-top:1px solid var(--border)}.relations h2{margin:0 0 var(--space-2);font-size:.72rem;letter-spacing:.06em;text-transform:uppercase}.relation-group{display:flex;flex-direction:column;gap:.35rem;margin-bottom:var(--space-3)}.relation-group h3{margin:0;color:var(--ink-muted);font-size:.72rem;font-weight:650;letter-spacing:.04em;text-transform:uppercase}.relation-chips{display:flex;flex-wrap:wrap;gap:4px;margin:0;padding:0;list-style:none}.relation-chip{display:flex;max-width:100%;overflow:hidden;border:1px solid var(--border-strong);border-radius:999px;background:var(--surface)}.relation-chip__name{max-width:12rem;overflow:hidden;padding:.18rem .45rem .18rem .6rem;border:0;background:transparent;color:var(--ink);font-size:.76rem;text-overflow:ellipsis;white-space:nowrap;cursor:pointer}.relation-chip__name:hover{color:var(--accent-bright)}.relation-chip__remove{width:1.5rem;border:0;border-left:1px solid var(--border);background:transparent;color:var(--ink-faint);font-size:1rem;line-height:1;cursor:pointer}.relation-chip__remove:hover{background:color-mix(in srgb,var(--danger) 15%,transparent);color:#ff9b94}.relation-add{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:4px}.relation-add label{display:flex;min-width:0}.relation-add select{width:100%;padding:.35rem .45rem;font-size:.76rem}.relation-add .btn{padding:.25rem .5rem;font-size:.7rem;white-space:nowrap}.tree-canvas{position:relative;display:flex;flex-direction:column;width:100%;height:100%;min-height:30rem;overflow:hidden;border:1px solid var(--border);border-radius:var(--radius-lg);background:radial-gradient(circle at 50% 15%,rgb(201 162 74 / 8%),transparent 55%),radial-gradient(circle at 50% 100%,rgb(86 160 109 / 7%),transparent 60%),#0a0f0c;box-shadow:inset 0 0 90px #00000059,var(--shadow-1)}.tree-canvas:fullscreen{height:100vh;min-height:100vh;border:0;border-radius:0;background-color:#080c0a}.tree-canvas-toolbar{position:relative;z-index:6;display:flex;flex:0 0 auto;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:6px;padding:8px 10px;border-bottom:1px solid rgb(255 255 255 / 5%);background:linear-gradient(180deg,#131a16eb,#131a16a6)}.tree-head-select{display:flex;flex-direction:column;gap:1px;min-width:0;padding:3px 8px 4px;border:1px solid var(--border-strong);border-radius:9px;background:#0a0f0c8c}.tree-head-select span{color:var(--ink-faint);font-size:.55rem;font-weight:700;letter-spacing:.08em;text-transform:uppercase}.tree-head-select select{max-width:10rem;padding:0;border:0;border-radius:0;background:transparent;color:var(--ink);font-size:.78rem;font-weight:600}.tree-controls{display:flex;align-items:center;gap:2px;padding:3px;border:1px solid var(--border-strong);border-radius:9px;background:#0a0f0c8c}.tree-scale{min-width:2.65rem;color:var(--ink-muted);font-size:.68rem;font-variant-numeric:tabular-nums;text-align:center}.tree-controls .btn{min-height:1.8rem;padding:.2rem .45rem;border-color:transparent;background:transparent;font-size:.7rem;box-shadow:none}.tree-controls .btn:hover{border-color:var(--border);background:var(--surface-raised)}.btn--icon{display:inline-grid;place-items:center;width:1.8rem;min-width:1.8rem;padding:0;font-size:1rem;line-height:1}.tree-viewport{position:relative;flex:1;min-height:0;overflow:hidden;touch-action:none;cursor:grab}.tree-viewport.is-panning,.tree-viewport.is-panning .tree-card{cursor:grabbing}.tree-stage{position:absolute;top:0;left:0;transform-origin:0 0;will-change:transform}.tree-surface{position:relative;width:100%;height:100%;background-image:radial-gradient(circle,rgb(169 190 178 / 13%) 1px,transparent 1px);background-size:24px 24px}.tree-generation-band{position:absolute;right:8px;left:8px;border-top:1px solid rgb(201 162 74 / 9%);border-bottom:1px solid rgb(201 162 74 / 9%);border-radius:16px;background:linear-gradient(90deg,#c9a24a03,#c9a24a0d,#c9a24a03);pointer-events:none}.tree-connectors{position:absolute;inset:0;overflow:visible;pointer-events:none}.tree-edge{fill:none;stroke-linecap:round;stroke-linejoin:round}.tree-edge--child{stroke:#a7b0aa8c;stroke-width:1.5}.tree-edge--partner{stroke:var(--accent);stroke-width:2.5;opacity:.8}.tree-card{position:absolute;display:flex;align-items:center;gap:10px;padding:10px 11px;overflow:visible;border:1px solid #35443d;border-radius:12px;background:linear-gradient(150deg,#1b2620,#111915 75%);color:var(--ink);text-align:left;cursor:grab;touch-action:none;box-shadow:0 6px 18px #00000052,inset 0 1px #ffffff09;transition:border-color var(--dur-fast) var(--ease),box-shadow var(--dur-fast) var(--ease),opacity var(--dur-fast) var(--ease)}.tree-card:hover{border-color:#61776c;box-shadow:0 9px 22px #0006,inset 0 1px #ffffff0d}.tree-card.is-head{border-color:var(--accent);box-shadow:0 0 0 1px #c9a24a59,0 10px 28px #00000073,0 0 24px #c9a24a1f}.tree-card.is-selected{outline:2px solid var(--accent-bright);outline-offset:2px}.tree-card.is-dimmed,.tree-unlinked__item.is-dimmed{opacity:.22;filter:saturate(.45)}.tree-card.is-drop-target{border-color:var(--leaf);box-shadow:0 0 0 3px #56a06d4d,0 10px 28px #00000073}.tree-card:focus-visible{outline:3px solid var(--focus-ring);outline-offset:2px}.tree-card__portrait{display:grid;flex:0 0 42px;place-items:center;width:42px;height:42px;border:1px solid #4d6256;border-radius:50%;background:radial-gradient(circle at 35% 25%,#3b4b42,#1b2620 72%);color:var(--accent-bright);font-size:.76rem;font-weight:750;letter-spacing:.03em}.tree-card__body{display:flex;flex:1;flex-direction:column;gap:3px;min-width:0}.tree-card__name{display:-webkit-box;overflow:hidden;font-size:.82rem;font-weight:650;line-height:1.14;overflow-wrap:anywhere;-webkit-box-orient:vertical;-webkit-line-clamp:2}.tree-card__years{overflow:hidden;color:var(--ink-faint);font-size:.66rem;font-variant-numeric:tabular-nums;text-overflow:ellipsis;white-space:nowrap}.tree-card__badge{position:absolute;top:-8px;right:7px;padding:1px 5px;border-radius:999px;background:var(--accent);color:#171208;font-size:.48rem;font-weight:800;letter-spacing:.07em;line-height:1.45;text-transform:uppercase;box-shadow:0 2px 8px #00000073}.tree-unlinked{position:absolute;bottom:10px;left:10px;z-index:6;width:min(15.5rem,calc(100% - 20px));max-height:42%;padding:9px;overflow-y:auto;border:1px solid var(--border-strong);border-radius:11px;background:#131a16f0;box-shadow:var(--shadow-2);backdrop-filter:blur(8px)}.tree-unlinked header{display:flex;align-items:baseline;justify-content:space-between;gap:var(--space-2);margin-bottom:6px}.tree-unlinked header strong{font-size:.7rem;letter-spacing:.05em;text-transform:uppercase}.tree-unlinked header span{color:var(--ink-faint);font-size:.62rem}.tree-unlinked ul{display:flex;flex-direction:column;gap:3px;margin:0;padding:0;list-style:none}.tree-unlinked__item{display:flex;flex-direction:column;width:100%;padding:5px 7px;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface-raised);color:var(--ink);text-align:left;cursor:grab}.tree-unlinked__item:hover{border-color:var(--leaf)}.tree-unlinked__item span{overflow:hidden;font-size:.76rem;font-weight:600;text-overflow:ellipsis;white-space:nowrap}.tree-unlinked__item small{color:var(--ink-faint);font-size:.6rem}.tree-unlinked p{margin:7px 0 0;color:var(--ink-faint);font-size:.62rem;line-height:1.35}.tree-empty{position:absolute;inset:0;display:grid;place-items:center;margin:0;padding:var(--space-5);color:var(--ink-muted);font-size:var(--text-sm);text-align:center}.tree-drag-ghost{position:fixed;z-index:100;display:flex;flex-direction:column;gap:1px;max-width:15rem;padding:6px 10px;border-radius:var(--radius-md);background:var(--accent);color:#171208;pointer-events:none;box-shadow:0 10px 30px #0000008c}.tree-drag-ghost strong{overflow:hidden;font-size:.78rem;text-overflow:ellipsis;white-space:nowrap}.tree-drag-ghost span{font-size:.6rem;opacity:.75}.modal-backdrop{position:fixed;inset:0;z-index:50;display:grid;place-items:center;padding:var(--space-4);background:#050806b8;backdrop-filter:blur(3px)}.modal{width:min(30rem,100%);padding:var(--space-5);border:1px solid var(--border-strong);border-radius:var(--radius-lg);background:var(--surface-raised);box-shadow:0 24px 80px #0009}.modal h2{margin:0 0 .25rem;font-size:var(--text-lg)}.modal p{margin:0 0 var(--space-3);color:var(--ink-muted);font-size:var(--text-sm);overflow-wrap:anywhere}.link-choices{display:flex;flex-direction:column;gap:5px;margin-bottom:var(--space-4)}.link-choice{padding:.55rem .7rem;border:1px solid var(--border);border-radius:var(--radius-md);background:var(--surface);color:var(--ink);font-size:var(--text-sm);text-align:left;cursor:pointer}.link-choice:hover{border-color:var(--border-strong);background:var(--surface-raised)}.link-choice.is-selected{border-color:var(--accent);background:color-mix(in srgb,var(--accent) 10%,var(--surface));box-shadow:inset 3px 0 0 var(--accent)}.btn{padding:.4rem .8rem;border:1px solid var(--border);background:var(--surface);color:var(--ink);cursor:pointer}.btn.primary{border-color:var(--accent);background:var(--accent);color:var(--bg)}.btn.danger{color:#ff8a8a}.warnings{padding:.5rem 1rem;border:1px solid var(--warn);background:#ffb4001a}.small{font-size:.8rem;opacity:.8}@media(max-width:1320px){.tree-layout{grid-template-areas:"main main" "sidebar editor";grid-template-columns:minmax(0,1fr) minmax(17rem,21rem)}.tree-sidebar,.tree-editor{height:auto;max-height:none}.tree-sidebar .people-list{display:grid;grid-template-columns:repeat(auto-fill,minmax(12rem,1fr));gap:3px}}@media(max-width:900px){.tree-layout{grid-template-areas:"main" "sidebar" "editor";grid-template-columns:minmax(0,1fr)}.tree-main,.tree-editor{height:auto}.tree-canvas{height:clamp(27rem,62vh,38rem)}.tree-sidebar,.tree-editor{max-height:none}}@media(max-width:640px){.shell-main--wide{padding-top:var(--space-3)}.tree-header{align-items:flex-start}.tree-actions .btn.primary{flex:0 0 auto}.tree-search{flex-basis:100%}.tree-canvas{height:clamp(25rem,64vh,34rem)}.tree-card__portrait{flex-basis:38px;width:38px;height:38px}.tree-unlinked{width:min(13.5rem,calc(100% - 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