:root {
  --ink: #26312a;
  --ink-soft: #5d6a5f;
  --paper: #fbf7ee;
  --card: #fffdf8;
  --line: #e3dccb;
  --accent: #3f6b46;
  --accent-ink: #fff;
  --gold: #d39a2c;
  --flag: #f1c232;
  --danger: #b23b2b;
  --bark: #6b4a2f;
  --bark-dark: #4d3420;
  --sky-top: #dce8e2;
  --sky-mid: #eef0e2;
  --sky-bottom: #f8f0dc;
  --ground: #7f9e62;
  --ground-dark: #5f7f48;
  --label: #2a3a2e;
  --label-halo: rgba(251, 247, 238, 0.92);
  --shadow: 0 10px 30px rgba(40, 50, 35, 0.14);
  --radius: 14px;
  --serif: "Fraunces", Georgia, "Times New Roman", serif;
  --sans: "Figtree", system-ui, -apple-system, "Segoe UI", sans-serif;
}
@media (prefers-color-scheme: dark) {
  :root:not([data-theme="light"]) {
    --ink: #ece6d6; --ink-soft: #a9b3a6; --paper: #141b17; --card: #1c2520; --line: #2f3b33;
    --accent: #7fb07f; --accent-ink: #0f1712; --bark: #8a6444; --bark-dark: #5e4129;
    --sky-top: #0e1726; --sky-mid: #18263a; --sky-bottom: #263347; --ground: #2c4430; --ground-dark: #1f3324;
    --label: #ece6d6; --label-halo: rgba(20, 27, 23, 0.85); --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
  }
}
:root[data-theme="dark"] {
  --ink: #ece6d6; --ink-soft: #a9b3a6; --paper: #141b17; --card: #1c2520; --line: #2f3b33;
  --accent: #7fb07f; --accent-ink: #0f1712; --bark: #8a6444; --bark-dark: #5e4129;
  --sky-top: #0e1726; --sky-mid: #18263a; --sky-bottom: #263347; --ground: #2c4430; --ground-dark: #1f3324;
  --label: #ece6d6; --label-halo: rgba(20, 27, 23, 0.85); --shadow: 0 10px 30px rgba(0, 0, 0, 0.45);
}

* { box-sizing: border-box; }
html, body { margin: 0; height: 100%; background: var(--paper); color: var(--ink); font-family: var(--sans); font-size: 16px; }
body { -webkit-font-smoothing: antialiased; }
h1, h2, h3 { font-family: var(--serif); font-weight: 600; letter-spacing: -0.01em; margin: 0; }
a { color: var(--accent); }
.muted { color: var(--ink-soft); }
[hidden] { display: none !important; }
button, input, textarea, select { font: inherit; color: inherit; }

/* ---------- buttons & inputs ---------- */
.btn { display: inline-flex; align-items: center; gap: .4rem; border: 1px solid var(--line); background: var(--card);
  padding: .6rem 1rem; border-radius: 999px; cursor: pointer; font-weight: 600; text-decoration: none; color: var(--ink); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: var(--accent-ink); }
.btn.ghost { background: transparent; }
.btn.danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 40%, var(--line)); }
.btn.small { padding: .35rem .75rem; font-size: .88rem; }
.btn:hover { filter: brightness(1.05); }
.btn:disabled { opacity: .5; cursor: default; }
.icon-btn { width: 40px; height: 40px; border-radius: 50%; border: 1px solid var(--line); background: var(--card);
  font-size: 1.25rem; line-height: 1; cursor: pointer; display: grid; place-items: center; box-shadow: var(--shadow); color: var(--ink); }
input, textarea, select { width: 100%; padding: .6rem .75rem; border-radius: 10px; border: 1px solid var(--line); background: var(--paper); }
input:focus, textarea:focus, select:focus { outline: 2px solid color-mix(in srgb, var(--accent) 50%, transparent); border-color: var(--accent); }
label { display: grid; gap: .3rem; font-size: .88rem; font-weight: 600; color: var(--ink-soft); }
.toggle { display: inline-flex; align-items: center; gap: .45rem; font-weight: 500; white-space: nowrap; }
.toggle input { width: auto; }
.form-error { color: var(--danger); min-height: 1.2em; margin: 0; font-size: .9rem; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); padding: 1.1rem 1.2rem; }

/* ---------- login ---------- */
.login { min-height: 100vh; display: grid; place-items: center; padding: 24px 16px;
  background: radial-gradient(1200px 600px at 50% 110%, var(--ground) 0 30%, transparent 31%),
              linear-gradient(var(--sky-top), var(--sky-bottom)); }
.login-card { width: min(420px, 100%); background: var(--card); border-radius: 22px; padding: 2rem 1.6rem; box-shadow: var(--shadow); text-align: center; }
.login-mark { width: 84px; height: 84px; }
.login-card h1 { font-size: 2rem; line-height: 1.1; margin: .4rem 0 .6rem; }
.login-card form { display: grid; gap: .9rem; text-align: left; margin-top: 1.2rem; }
.login-card .btn { justify-content: center; }

/* ---------- top bar ---------- */
.topbar { position: fixed; inset: 0 0 auto 0; height: 60px; z-index: 20; display: flex; align-items: center; gap: 1rem;
  padding: 0 16px; background: color-mix(in srgb, var(--paper) 88%, transparent); backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--line); }
.brand { display: flex; align-items: center; gap: .5rem; text-decoration: none; color: var(--ink); font-family: var(--serif); font-weight: 700; font-size: 1.15rem; white-space: nowrap; }
.brand svg { width: 34px; height: 34px; }
.brand em { font-style: normal; font-weight: 400; color: var(--ink-soft); }
.tabs { display: flex; gap: .25rem; overflow-x: auto; scrollbar-width: none; flex: 1; justify-content: center; }
.tabs a { padding: .45rem .85rem; border-radius: 999px; text-decoration: none; color: var(--ink-soft); font-weight: 600; font-size: .95rem; white-space: nowrap; }
.tabs a.active { background: var(--accent); color: var(--accent-ink); }
.me { display: flex; align-items: center; gap: .5rem; font-size: .9rem; white-space: nowrap; }
.me .role { font-size: .72rem; text-transform: uppercase; letter-spacing: .08em; background: var(--gold); color: #fff; padding: .1rem .45rem; border-radius: 6px; }

main { padding-top: 60px; }
.view-tree { position: fixed; inset: 60px 0 0 0; }
.tree-stage { position: absolute; inset: 0; background: linear-gradient(var(--sky-top) 0%, var(--sky-mid) 55%, var(--sky-bottom) 100%); overflow: hidden; }
#tree-svg { width: 100%; height: 100%; display: block; touch-action: none; cursor: grab; }
#tree-svg:active { cursor: grabbing; }

/* tree drawing */
.branch { fill: none; stroke: var(--bark); stroke-linecap: round; }
.trunk { fill: var(--bark); }
.trunk-shade { fill: var(--bark-dark); opacity: .35; }
.ground { fill: var(--ground); }
.ground-back { fill: var(--ground-dark); opacity: .6; }
.node { cursor: pointer; }
.node .leaf { stroke: rgba(0,0,0,.18); stroke-width: 1; transition: transform .15s; }
.node:hover .leaf, .node.focus .leaf { transform: scale(1.35); }
.node .vein { stroke: rgba(255,255,255,.45); stroke-width: 1; fill: none; pointer-events: none; }
.node text { font-family: var(--sans); fill: var(--label); paint-order: stroke; stroke: var(--label-halo); stroke-width: 4px; stroke-linejoin: round; pointer-events: none; }
.node .nick { fill: var(--ink-soft); font-style: italic; }
.node.dim { opacity: .18; }
.node .flag { fill: var(--flag); stroke: #a07b00; stroke-width: 1; }
.node .more { fill: var(--card); stroke: var(--bark); stroke-width: 1.5; }
.node .more-text { font-size: 10px; font-weight: 700; fill: var(--bark); stroke: none; }
.branch.dim { opacity: .15; }
.gen1-label { font-family: var(--serif); font-weight: 600; }
.root-plaque rect { fill: var(--card); stroke: var(--bark); stroke-width: 2; }
.root-plaque text { font-family: var(--serif); fill: var(--ink); stroke: none; }
.pulse { fill: none; stroke: var(--gold); stroke-width: 3; animation: pulse 1.4s ease-out 3; }
@keyframes pulse { from { r: 8; opacity: 1; } to { r: 40; opacity: 0; } }

.tree-tools { position: absolute; top: 14px; left: 16px; right: 16px; display: flex; gap: .75rem; align-items: flex-start; flex-wrap: wrap; pointer-events: none; }
.tree-tools > * { pointer-events: auto; }
.search { position: relative; width: min(320px, 100%); }
.search input { border-radius: 999px; padding-left: 1rem; background: var(--card); box-shadow: var(--shadow); }
.search-results { position: absolute; top: 110%; left: 0; right: 0; margin: 0; padding: .3rem; list-style: none; background: var(--card); border-radius: 12px; box-shadow: var(--shadow); max-height: 50vh; overflow: auto; }
.search-results li { padding: .5rem .7rem; border-radius: 8px; cursor: pointer; }
.search-results li:hover, .search-results li.on { background: color-mix(in srgb, var(--accent) 14%, transparent); }
.search-results small { display: block; color: var(--ink-soft); }
.branch-chips { display: flex; gap: .4rem; flex-wrap: wrap; }
.chip { border: 1px solid var(--line); background: var(--card); border-radius: 999px; padding: .35rem .75rem; font-size: .85rem; font-weight: 600; cursor: pointer; display: inline-flex; align-items: center; gap: .4rem; box-shadow: var(--shadow); }
.chip i { width: 10px; height: 10px; border-radius: 50%; display: inline-block; }
.chip.on { outline: 2px solid var(--ink); }
.zoom-tools { position: absolute; right: 16px; bottom: 20px; display: grid; gap: .5rem; }
.legend { position: absolute; left: 16px; bottom: 18px; display: flex; gap: .9rem; flex-wrap: wrap; font-size: .8rem; background: color-mix(in srgb, var(--card) 85%, transparent); padding: .45rem .8rem; border-radius: 999px; }
.legend span { display: inline-flex; align-items: center; gap: .35rem; }
.leaf-dot { width: 10px; height: 10px; border-radius: 0 50% 0 50%; background: #3f7d4e; display: inline-block; }
.leaf-dot.gold { background: var(--gold); }
.flag-dot { width: 9px; height: 9px; border-radius: 50%; background: var(--flag); display: inline-block; border: 1px solid #a07b00; }

/* ---------- pages ---------- */
.page { max-width: 1100px; margin: 0 auto; padding: 28px 16px 80px; }
.page.narrow { max-width: 720px; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: 1rem; flex-wrap: wrap; margin-bottom: 1.2rem; }
.page-head h2 { font-size: 1.9rem; }
.page-head p { margin: .25rem 0 0; }
.page-actions { display: flex; gap: .6rem; align-items: center; flex-wrap: wrap; }
.page-actions input[type=search] { width: 240px; }

.family-list { display: grid; gap: 1.6rem; }
.family-branch h3 { font-size: 1.25rem; display: flex; align-items: center; gap: .5rem; margin-bottom: .6rem; }
.family-branch h3 i { width: 14px; height: 14px; border-radius: 0 50% 0 50%; display: inline-block; }
.people-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(230px, 1fr)); gap: .6rem; }
.person-card { display: flex; gap: .7rem; align-items: center; padding: .7rem .8rem; border-radius: 12px; background: var(--card); border: 1px solid var(--line); cursor: pointer; text-align: left; width: 100%; }
.person-card:hover { border-color: var(--accent); }
.person-card .sub { font-size: .8rem; color: var(--ink-soft); }
.avatar { width: 42px; height: 42px; border-radius: 50%; flex: none; display: grid; place-items: center; font-weight: 700; color: #fff; overflow: hidden; font-family: var(--serif); }
.avatar img { width: 100%; height: 100%; object-fit: cover; }
.avatar.lg { width: 96px; height: 96px; font-size: 2rem; }
.badge { display: inline-block; font-size: .7rem; font-weight: 700; padding: .05rem .4rem; border-radius: 6px; vertical-align: middle; }
.badge.memory { background: color-mix(in srgb, var(--gold) 22%, transparent); color: #8a5c0c; }
.badge.check { background: color-mix(in srgb, var(--flag) 35%, transparent); color: #6e5400; }
:root[data-theme="dark"] .badge.memory, :root[data-theme="dark"] .badge.check { color: var(--ink); }

/* drawer */
.drawer { position: fixed; top: 60px; right: 0; bottom: 0; width: min(440px, 100%); background: var(--card); z-index: 30; box-shadow: -10px 0 40px rgba(0,0,0,.18);
  transform: translateX(105%); transition: transform .25s ease; overflow-y: auto; padding: 1.4rem 1.3rem 3rem; }
.drawer.open { transform: none; }
.drawer-close { position: absolute; top: 12px; right: 12px; box-shadow: none; }
.p-head { display: flex; gap: 1rem; align-items: center; margin: .4rem 0 1rem; }
.p-head h2 { font-size: 1.6rem; line-height: 1.15; }
.p-head .nick { color: var(--ink-soft); font-style: italic; }
.facts { display: grid; gap: .55rem; margin: 1rem 0; }
.fact { display: grid; grid-template-columns: 110px 1fr; gap: .5rem; font-size: .95rem; }
.fact b { color: var(--ink-soft); font-weight: 600; }
.socials { display: flex; flex-wrap: wrap; gap: .4rem; }
.socials a { font-size: .85rem; padding: .3rem .65rem; border-radius: 999px; background: color-mix(in srgb, var(--accent) 12%, transparent); text-decoration: none; font-weight: 600; }
.rel-list { display: flex; flex-wrap: wrap; gap: .35rem; }
.rel-list button { border: 1px solid var(--line); background: var(--paper); border-radius: 999px; padding: .25rem .65rem; cursor: pointer; font-size: .88rem; }
.drawer .actions { display: flex; gap: .5rem; flex-wrap: wrap; margin-top: 1.2rem; }
.edit-form { display: grid; gap: .8rem; }
.edit-form .two { display: grid; grid-template-columns: 1fr 1fr; gap: .6rem; }
.edit-form fieldset { border: 1px solid var(--line); border-radius: 12px; padding: .8rem; display: grid; gap: .6rem; }
.edit-form legend { font-weight: 700; font-size: .85rem; padding: 0 .3rem; color: var(--ink-soft); }
.note { font-size: .82rem; color: var(--ink-soft); }

/* media */
.media-page { display: grid; grid-template-columns: 220px 1fr; gap: 1.5rem; }
.folders h3 { font-size: 1rem; margin-bottom: .6rem; }
.folders ul { list-style: none; margin: 0 0 .8rem; padding: 0; display: grid; gap: .15rem; }
.folders li button { width: 100%; text-align: left; border: 0; background: transparent; padding: .5rem .7rem; border-radius: 10px; cursor: pointer; display: flex; justify-content: space-between; }
.folders li button.on { background: color-mix(in srgb, var(--accent) 15%, transparent); font-weight: 700; }
.folders li small { color: var(--ink-soft); }
.media-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(170px, 1fr)); gap: .6rem; }
.tile { position: relative; aspect-ratio: 1; border-radius: 12px; overflow: hidden; background: var(--line); cursor: pointer; border: 0; padding: 0; }
.tile img, .tile video { width: 100%; height: 100%; object-fit: cover; display: block; }
.tile .tag { position: absolute; left: 6px; bottom: 6px; background: rgba(0,0,0,.6); color: #fff; font-size: .72rem; padding: .1rem .45rem; border-radius: 6px; }
.tile .file { display: grid; place-items: center; height: 100%; font-weight: 700; color: var(--ink-soft); }
.empty { padding: 2.5rem 1rem; text-align: center; color: var(--ink-soft); border: 2px dashed var(--line); border-radius: var(--radius); }
.upload-progress { display: grid; gap: .4rem; margin-bottom: .8rem; }
.up-row { font-size: .85rem; }
.up-bar { height: 6px; background: var(--line); border-radius: 4px; overflow: hidden; margin-top: .2rem; }
.up-bar i { display: block; height: 100%; background: var(--accent); width: 0; transition: width .3s; }

.lightbox { position: fixed; inset: 0; background: rgba(10, 14, 12, .88); z-index: 40; display: grid; place-items: center; padding: 16px; }
.lb-inner { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 1rem; width: min(1200px, 100%); max-height: 92vh; }
.lb-media { display: grid; place-items: center; min-height: 0; }
.lb-media img, .lb-media video { max-width: 100%; max-height: 88vh; border-radius: 10px; }
.lb-side { background: var(--card); border-radius: 14px; padding: 1rem; overflow-y: auto; max-height: 88vh; display: grid; gap: .8rem; align-content: start; }
.lb-close { position: fixed; top: 14px; right: 14px; }

/* posts & comments */
.composer { display: grid; gap: .6rem; margin-bottom: 1.2rem; }
.composer .row { display: flex; justify-content: space-between; align-items: center; }
.post { margin-bottom: 1rem; }
.post h3 { font-size: 1.3rem; margin-bottom: .2rem; }
.post .meta { font-size: .82rem; color: var(--ink-soft); margin-bottom: .6rem; }
.post .body { white-space: pre-wrap; line-height: 1.55; }
.pin { color: var(--gold); font-weight: 700; font-size: .8rem; }
.comments { border-top: 1px solid var(--line); margin-top: .9rem; padding-top: .7rem; display: grid; gap: .55rem; }
.comment { font-size: .92rem; }
.comment b { margin-right: .3rem; }
.comment .when { color: var(--ink-soft); font-size: .78rem; margin-left: .3rem; }
.comment .del { border: 0; background: none; color: var(--ink-soft); cursor: pointer; font-size: .78rem; }
.comment-form { display: flex; gap: .4rem; }
.comment-form input { border-radius: 999px; }
.link-btn { border: 0; background: none; color: var(--accent); cursor: pointer; font-weight: 600; padding: 0; }

.activity-list { display: grid; gap: .5rem; }
.act { display: flex; gap: .8rem; align-items: flex-start; padding: .75rem .9rem; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
.act .what { flex: 1; font-size: .93rem; }
.act .diff { font-size: .82rem; color: var(--ink-soft); margin-top: .2rem; }
.act .when { font-size: .78rem; color: var(--ink-soft); white-space: nowrap; }

.toast { position: fixed; left: 50%; bottom: 24px; transform: translate(-50%, 140%); background: var(--ink); color: var(--paper); padding: .7rem 1.1rem; border-radius: 999px; z-index: 50; transition: transform .25s, opacity .25s; opacity: 0; pointer-events: none; font-weight: 600; max-width: calc(100% - 32px); }
.toast.show { transform: translate(-50%, 0); opacity: 1; }

@media (max-width: 760px) {
  .brand span { display: none; }
  .topbar { gap: .5rem; }
  .tabs { justify-content: flex-start; }
  .me .who { display: none; }
  .media-page { grid-template-columns: 1fr; }
  .folders ul { display: flex; overflow-x: auto; gap: .3rem; }
  .folders li button { white-space: nowrap; }
  .lb-inner { grid-template-columns: 1fr; overflow-y: auto; }
  .legend { display: none; }
  .branch-chips { display: none; }
  .page-actions input[type=search] { width: 100%; }
  .fact { grid-template-columns: 90px 1fr; }
}