/* ==========================================================================
   Makan Family Tree — visual system
   Warm bone paper · ink & gold · jewel-toned branches · slow cinematic motion
   ========================================================================== */

:root {
  /* paper */
  --bone:    #f4efe4;
  --bone-2:  #ece4d4;
  --paper:   #fdfaf4;
  --paper-2: #f7f2e8;

  /* ink */
  --ink:   #1c1a17;
  --ink-2: #4d463b;
  --muted: #8d8474;
  --rule:  rgba(28, 26, 23, .11);
  --rule-2: rgba(28, 26, 23, .06);

  /* metal */
  --gold:   #b0842f;
  --gold-2: #d9b45e;

  --danger: #a8402f;

  /* geometry */
  --r-card:  15px;
  --r-panel: 22px;

  --shadow-card: 0 1px 2px rgba(48, 38, 22, .05), 0 14px 30px -20px rgba(48, 38, 22, .45);
  --shadow-lift: 0 2px 6px rgba(48, 38, 22, .07), 0 26px 46px -24px rgba(48, 38, 22, .55);
  --shadow-pop:  0 4px 12px rgba(38, 30, 18, .09), 0 40px 90px -40px rgba(38, 30, 18, .6);

  --display: "Fraunces", "Iowan Old Style", "Palatino Linotype", Palatino, Georgia, serif;
  --sans: "Manrope", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, sans-serif;

  --topbar-h: 78px;
  --legend-h: 52px;

  --ease: cubic-bezier(.22, .68, .28, 1);
  --ease-out: cubic-bezier(.16, 1, .3, 1);
}

:root { color-scheme: light; }

/* ──────────────────────────────────────────────────────────────────────
   NIGHT LIBRARY
   Not an inversion of the day theme — its own set of artwork (luminous gold
   filigree on true black, so it composites with `screen`), its own leather-and-
   lamplight surfaces, and brighter branch colours that survive a dark ground.
   ────────────────────────────────────────────────────────────────────── */
:root[data-theme="night"] {
  color-scheme: dark;

  --bone:    #0d0c0b;
  --bone-2:  #141210;
  --paper:   #1c1915;
  --paper-2: #24201a;

  --ink:   #f0e8d8;
  --ink-2: #c2b49b;
  --muted: #8a7c66;
  --rule:  rgba(240, 232, 216, .14);
  --rule-2: rgba(240, 232, 216, .07);

  --gold:   #d9ae5a;
  --gold-2: #f0d08a;
  --danger: #e08a72;

  --shadow-card: 0 1px 2px rgba(0, 0, 0, .6), 0 16px 34px -22px rgba(0, 0, 0, 1);
  --shadow-lift: 0 2px 8px rgba(0, 0, 0, .65), 0 30px 54px -26px rgba(0, 0, 0, 1);
  --shadow-pop:  0 6px 16px rgba(0, 0, 0, .7), 0 46px 100px -44px rgba(0, 0, 0, 1);
}

/* the night artwork sits on true black, so screen drops the ground away */
:root[data-theme="night"] .ov-tree {
  background-image: url("art/tree-night.jpg");
  background-position: center 46%;
  mix-blend-mode: screen;
  opacity: .95;
}
:root[data-theme="night"] .ov-wash {
  background-image: url("art/wash-night.jpg");
  mix-blend-mode: screen;
  opacity: .6;
}
:root[data-theme="night"] .ov-roots {
  background-image: url("art/roots-night.jpg");
  mix-blend-mode: screen;
  opacity: .75;
  transform: none;
  -webkit-mask-image: linear-gradient(to top, #000 22%, transparent 88%);
          mask-image: linear-gradient(to top, #000 22%, transparent 88%);
}
:root[data-theme="night"] .ov-veil {
  background:
    radial-gradient(120% 80% at 50% 0%, transparent 34%, color-mix(in srgb, var(--bone) 62%, transparent) 82%),
    linear-gradient(180deg, color-mix(in srgb, var(--bone) 50%, transparent) 0%, transparent 30%, transparent 60%, color-mix(in srgb, var(--bone) 82%, transparent) 96%);
}
:root[data-theme="night"] .ov-inner::before {
  background: radial-gradient(ellipse at center,
    color-mix(in srgb, var(--bone) 82%, transparent) 0%,
    color-mix(in srgb, var(--bone) 52%, transparent) 45%,
    transparent 74%);
}

:root[data-theme="night"] .bd-tree {
  background-image: url("art/tree-night.jpg");
  mix-blend-mode: screen;
  opacity: .22;
}
:root[data-theme="night"] .bd-roots {
  background-image: url("art/roots-night.jpg");
  mix-blend-mode: screen;
  opacity: .5;
}
:root[data-theme="night"] .bd-aurora { opacity: .34; filter: blur(110px); }
:root[data-theme="night"] .bd-a1 { background: radial-gradient(circle, color-mix(in srgb, #e8794a 55%, transparent), transparent 68%); }
:root[data-theme="night"] .bd-a2 { background: radial-gradient(circle, color-mix(in srgb, #35b3a2 48%, transparent), transparent 68%); }
:root[data-theme="night"] .bd-a3 { background: radial-gradient(circle, color-mix(in srgb, #9b82e0 45%, transparent), transparent 68%); }

:root[data-theme="night"] .drawer-sprig {
  background-image: url("art/sprig-night.jpg");
  mix-blend-mode: screen;
  opacity: .5;
}

:root[data-theme="night"] .grain { mix-blend-mode: screen; opacity: .1; }

/* a single warm lamp hanging over the canvas */
:root[data-theme="night"] .viewport::after {
  content: "";
  position: absolute;
  inset: 0;
  pointer-events: none;
  background: radial-gradient(90% 55% at 50% -8%, color-mix(in srgb, var(--gold) 13%, transparent), transparent 62%);
  z-index: 1;
}

/* cards read as lamplit leather rather than paper */
:root[data-theme="night"] .node {
  background:
    linear-gradient(175deg, var(--paper-2), var(--paper)) padding-box,
    linear-gradient(155deg,
      color-mix(in srgb, var(--c) 78%, transparent),
      color-mix(in srgb, var(--c) 14%, transparent) 48%,
      color-mix(in srgb, var(--c) 45%, transparent)) border-box;
}
:root[data-theme="night"] .node::before { opacity: 1; }
:root[data-theme="night"] .node.is-root {
  background:
    linear-gradient(175deg, color-mix(in srgb, var(--gold) 14%, var(--paper-2)), var(--paper)) padding-box,
    linear-gradient(155deg, color-mix(in srgb, var(--gold) 85%, transparent), color-mix(in srgb, var(--gold) 22%, transparent) 55%, color-mix(in srgb, var(--gold) 55%, transparent)) border-box;
}
:root[data-theme="night"] .node.placeholder { background: color-mix(in srgb, var(--paper) 40%, transparent); }
:root[data-theme="night"] .link-path { opacity: .62; }

:root[data-theme="night"] .btn-primary { color: #17140f; }
:root[data-theme="night"] .fab { color: #17140f; background: linear-gradient(150deg, var(--gold-2), var(--gold)); border-color: color-mix(in srgb, var(--gold-2) 70%, transparent); }
:root[data-theme="night"] .ov-enter svg { background: var(--gold); color: #17140f; }
:root[data-theme="night"] .toast { background: var(--paper-2); color: var(--ink); border: 1px solid var(--rule); }
:root[data-theme="night"] .modal-backdrop { background: color-mix(in srgb, #000 68%, transparent); }

/* the toggle shows where you are going, not where you are */
#themeToggle .ico-sun { display: none; }
:root[data-theme="night"] #themeToggle .ico-moon { display: none; }
:root[data-theme="night"] #themeToggle .ico-sun { display: block; }

* { box-sizing: border-box; }
[hidden] { display: none !important; }

html, body {
  margin: 0;
  height: 100%;
  overflow: hidden;
  overscroll-behavior: none;
}

body {
  font-family: var(--sans);
  color: var(--ink);
  background: var(--bone);
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
  display: flex;
  flex-direction: column;
}

button { font: inherit; color: inherit; }

::selection { background: color-mix(in srgb, var(--gold) 30%, transparent); }

/* film grain over everything ------------------------------------------- */
.grain {
  position: fixed;
  inset: -50%;
  z-index: 500;
  pointer-events: none;
  opacity: .38;
  mix-blend-mode: multiply;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='200' height='200'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.85' numOctaves='3'/%3E%3C/filter%3E%3Crect width='200' height='200' filter='url(%23n)' opacity='.42'/%3E%3C/svg%3E");
}

/* ======================================================================
   OVERTURE
   ====================================================================== */

.overture {
  position: fixed;
  inset: 0;
  z-index: 400;
  display: grid;
  grid-template-rows: 1fr auto;
  place-items: center;
  background: var(--bone);
  /* scroll rather than clip when the screen is too short for the content */
  overflow-y: auto;
  overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
  cursor: pointer;
  user-select: none;
  -webkit-user-select: none;
  touch-action: manipulation;
  transition: opacity 1.05s var(--ease-out), transform 1.05s var(--ease-out), filter 1.05s var(--ease-out);
}
.overture.lifted {
  opacity: 0;
  transform: translateY(-3%) scale(1.04);
  filter: blur(14px);
  pointer-events: none;
}

.ov-art { position: absolute; inset: 0; overflow: hidden; }

.ov-wash {
  position: absolute;
  inset: -12%;
  background: url("art/wash.jpg") center/cover no-repeat;
  opacity: .55;
  filter: saturate(1.15);
  animation: washDrift 46s ease-in-out infinite alternate;
}
@keyframes washDrift {
  from { transform: scale(1.06) translate3d(-1.5%, 1%, 0) rotate(-.6deg); }
  to   { transform: scale(1.16) translate3d(2.5%, -1.5%, 0) rotate(.7deg); }
}

.ov-tree {
  position: absolute;
  inset: 0;
  background: url("art/tree.jpg") center 22% / cover no-repeat;
  mix-blend-mode: multiply;
  opacity: .92;
  transform: scale(1.12);
  animation: treeSettle 3.6s var(--ease-out) forwards;
}
@keyframes treeSettle { to { transform: scale(1.005); } }

.ov-roots {
  position: absolute;
  left: -6%; right: -6%; bottom: -4%;
  height: 46%;
  background: url("art/roots.jpg") center bottom / cover no-repeat;
  mix-blend-mode: multiply;
  opacity: .5;
  transform: scaleY(-1);
  filter: blur(.3px);
  -webkit-mask-image: linear-gradient(to bottom, #000 18%, transparent 84%);
          mask-image: linear-gradient(to bottom, #000 18%, transparent 84%);
}

.ov-veil {
  position: absolute;
  inset: 0;
  background:
    radial-gradient(120% 80% at 50% 0%, transparent 30%, color-mix(in srgb, var(--bone) 72%, transparent) 78%),
    linear-gradient(180deg, color-mix(in srgb, var(--bone) 55%, transparent) 0%, transparent 26%, transparent 52%, color-mix(in srgb, var(--bone) 88%, transparent) 92%);
}


.ov-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  padding: calc(40px + env(safe-area-inset-top)) 24px 0;
  max-width: 780px;
  align-self: center;
}
/* a breath of light so the type never fights the canopy */
.ov-inner::before {
  content: "";
  position: absolute;
  left: 50%; top: 50%;
  width: 165%; height: 190%;
  transform: translate(-50%, -50%);
  background: radial-gradient(ellipse at center,
    color-mix(in srgb, var(--bone) 88%, transparent) 0%,
    color-mix(in srgb, var(--bone) 62%, transparent) 42%,
    transparent 72%);
  pointer-events: none;
  z-index: -1;
}

.ov-kicker {
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 14px;
  margin: 0 0 26px;
  font-size: 11px;
  letter-spacing: .34em;
  text-transform: uppercase;
  color: color-mix(in srgb, var(--gold) 80%, var(--ink));
  font-weight: 700;
  opacity: 0;
  animation: riseIn .9s var(--ease-out) .35s forwards;
}
.ov-kicker i { width: 44px; height: 1px; background: currentColor; opacity: .5; }

.ov-title { margin: 0; line-height: .92; }
.ov-title span { display: block; }

.ov-l1 {
  font-family: var(--display);
  font-weight: 300;
  font-size: clamp(64px, 15vw, 168px);
  letter-spacing: -.03em;
  font-variation-settings: "SOFT" 22, "WONK" 1;
  opacity: 0;
  animation: riseIn 1.25s var(--ease-out) .5s forwards;
}
.ov-l2 {
  font-family: var(--display);
  font-weight: 300;
  font-style: italic;
  font-size: clamp(22px, 4.6vw, 46px);
  letter-spacing: .01em;
  color: var(--ink-2);
  margin-top: .12em;
  opacity: 0;
  animation: riseIn 1.25s var(--ease-out) .68s forwards;
}

.ov-lede {
  margin: 26px auto 0;
  max-width: 460px;
  font-size: 14.5px;
  line-height: 1.7;
  color: var(--ink-2);
  opacity: 0;
  animation: riseIn 1.1s var(--ease-out) .9s forwards;
}

@keyframes riseIn {
  from { opacity: 0; transform: translateY(22px); filter: blur(6px); }
  to   { opacity: 1; transform: none; filter: none; }
}

.ov-enter {
  margin-top: 38px;
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 15px 13px 26px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 78%, transparent);
  backdrop-filter: blur(10px);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .14em;
  text-transform: uppercase;
  cursor: pointer;
  opacity: 0;
  animation: riseIn 1s var(--ease-out) 1.1s forwards;
  transition: background .3s, border-color .3s, transform .3s var(--ease), box-shadow .3s;
  box-shadow: var(--shadow-card);
}
.ov-enter:hover {
  transform: translateY(-2px);
  border-color: color-mix(in srgb, var(--gold) 55%, transparent);
  box-shadow: var(--shadow-lift);
}
.ov-enter svg {
  width: 30px; height: 30px;
  padding: 6px;
  border-radius: 50%;
  background: var(--ink);
  color: var(--bone);
  animation: nudge 2.6s var(--ease) infinite;
}
@keyframes nudge {
  0%, 72%, 100% { transform: translateY(0); }
  84% { transform: translateY(3px); }
}

.ov-foot {
  position: relative;
  z-index: 2;
  width: 100%;
  padding: 0 24px calc(26px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  align-items: center;
  gap: 16px;
  opacity: 0;
  animation: riseIn 1s var(--ease-out) 1.35s forwards;
}

.ov-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 11px;
  letter-spacing: .2em;
  text-transform: uppercase;
  color: var(--muted);
}
.ov-meta b { font-family: var(--display); font-size: 15px; font-weight: 500; color: var(--ink); letter-spacing: 0; margin-right: 4px; }
.ov-meta i { width: 4px; height: 4px; border-radius: 50%; background: var(--gold); opacity: .6; }

/* credits, set like a plate at the foot of a poster */
.ov-credits {
  margin: 0;
  padding-top: 15px;
  border-top: 1px solid color-mix(in srgb, var(--gold) 26%, transparent);
  max-width: 560px;
  display: flex;
  flex-direction: column;
  gap: 3px;
  text-align: center;
}
.ov-credits > div {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  align-items: baseline;
  gap: 8px;
}
.ov-credits dt {
  font-size: 8.5px;
  letter-spacing: .24em;
  text-transform: uppercase;
  font-weight: 700;
  color: color-mix(in srgb, var(--gold) 80%, var(--ink));
}
.ov-credits dd {
  margin: 0;
  font-family: var(--display);
  font-size: 12.5px;
  font-style: italic;
  font-weight: 400;
  color: var(--ink-2);
  line-height: 1.45;
}

/* ======================================================================
   TOPBAR
   ====================================================================== */

.topbar {
  flex: none;
  /* The bar has to GROW by the safe area, not just pad inwards — otherwise the
     content is squashed up into the notch instead of being pushed clear of it. */
  height: calc(var(--topbar-h) + env(safe-area-inset-top));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 12px;
  padding: 0 max(20px, env(safe-area-inset-left)) 0 max(20px, env(safe-area-inset-right));
  padding-top: env(safe-area-inset-top);
  background: color-mix(in srgb, var(--bone) 78%, transparent);
  backdrop-filter: saturate(1.5) blur(16px);
  border-bottom: 1px solid var(--rule);
  position: relative;
  z-index: 40;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  min-width: 0;
  border: 0;
  background: none;
  padding: 0;
  cursor: pointer;
  text-align: left;
}

.brand-mark {
  width: 44px; height: 44px;
  flex: none;
  display: grid; place-items: center;
  border-radius: 14px;
  background: linear-gradient(145deg, color-mix(in srgb, var(--gold) 22%, transparent), color-mix(in srgb, var(--gold) 6%, transparent));
  border: 1px solid color-mix(in srgb, var(--gold) 30%, transparent);
  color: var(--gold);
  transition: transform .4s var(--ease);
}
.brand:hover .brand-mark { transform: rotate(-6deg) scale(1.05); }
.brand-mark svg { width: 25px; height: 25px; }

.brand-text { min-width: 0; display: block; }
.brand-name {
  display: block;
  font-family: var(--display);
  font-size: 24px;
  font-weight: 400;
  letter-spacing: -.01em;
  line-height: 1.1;
  white-space: nowrap;
}
.brand-sub {
  display: block;
  font-size: 9.5px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--muted);
  margin-top: 2px;
  white-space: nowrap;
}

.topbar-tools { display: flex; align-items: center; gap: 9px; }

/* search --------------------------------------------------------------- */
.search { position: relative; }

.search-ico {
  position: absolute; left: 11px; top: 50%;
  transform: translateY(-50%);
  width: 16px; height: 16px;
  color: var(--muted);
  pointer-events: none;
}

.search input {
  font: inherit;
  font-size: 13.5px;
  width: 210px;
  padding: 10px 12px 10px 33px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 70%, transparent);
  color: var(--ink);
  outline: none;
  transition: border-color .25s, box-shadow .25s, width .3s var(--ease), background .25s;
}
.search input::-webkit-search-cancel-button { display: none; }
.search input:focus {
  background: var(--paper);
  border-color: color-mix(in srgb, var(--gold) 50%, transparent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--gold) 13%, transparent);
}

.search-results {
  position: absolute;
  top: calc(100% + 8px); right: 0;
  width: 300px;
  max-height: 340px;
  overflow-y: auto;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: 16px;
  box-shadow: var(--shadow-pop);
  padding: 6px;
  z-index: 60;
  animation: popIn .2s var(--ease-out);
}
@keyframes popIn { from { opacity: 0; transform: translateY(-6px); } }

.search-results button {
  display: block;
  width: 100%;
  text-align: left;
  border: 0;
  background: none;
  padding: 9px 11px;
  border-radius: 10px;
  cursor: pointer;
  font-size: 13.5px;
  line-height: 1.35;
  transition: background .15s;
}
.search-results button:hover, .search-results button:focus-visible {
  background: var(--paper-2);
  outline: none;
}
.search-results button small {
  display: block;
  color: var(--muted);
  font-size: 11.5px;
  margin-top: 1px;
}
.search-results .empty { padding: 12px; color: var(--muted); font-size: 13px; }

/* buttons -------------------------------------------------------------- */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 7px;
  padding: 10px 15px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 70%, transparent);
  font-size: 12.5px;
  font-weight: 600;
  letter-spacing: .04em;
  cursor: pointer;
  transition: background .2s, border-color .2s, color .2s, transform .2s var(--ease);
  white-space: nowrap;
}
.btn svg { width: 16px; height: 16px; flex: none; }
.btn:hover { background: var(--paper); border-color: color-mix(in srgb, var(--ink) 18%, transparent); }
.btn:active { transform: scale(.97); }
.btn-icon { padding: 10px; }

.btn-primary {
  background: var(--ink);
  border-color: var(--ink);
  color: var(--bone);
}
.btn-primary:hover { background: var(--ink); filter: brightness(1.25); }

.btn-ghost[aria-pressed="true"] {
  background: linear-gradient(145deg, color-mix(in srgb, var(--gold) 24%, transparent), color-mix(in srgb, var(--gold) 10%, transparent));
  border-color: color-mix(in srgb, var(--gold) 45%, transparent);
  color: color-mix(in srgb, var(--gold) 80%, var(--ink));
}

.btn-danger { color: var(--danger); border-color: color-mix(in srgb, var(--danger) 32%, transparent); }
.btn-danger:hover { background: color-mix(in srgb, var(--danger) 9%, transparent); border-color: var(--danger); }

/* ======================================================================
   LEGEND
   ====================================================================== */

.legend-wrap {
  flex: none;
  height: var(--legend-h);
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 0 20px;
  border-bottom: 1px solid var(--rule);
  background: color-mix(in srgb, var(--bone) 60%, transparent);
  backdrop-filter: blur(10px);
  position: relative;
  z-index: 30;
}

.legend-label {
  flex: none;
  font-size: 9.5px;
  letter-spacing: .26em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

.legend {
  display: flex;
  align-items: center;
  gap: 7px;
  overflow-x: auto;
  scrollbar-width: none;
  padding: 3px 0;
}
.legend::-webkit-scrollbar { display: none; }

.chip {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  flex: none;
  padding: 6px 14px 6px 10px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 60%, transparent);
  font-size: 12px;
  font-weight: 600;
  letter-spacing: .02em;
  color: var(--ink-2);
  cursor: pointer;
  transition: border-color .25s, color .25s, background .25s, transform .25s var(--ease);
}
.chip::before {
  content: "";
  width: 9px; height: 9px;
  border-radius: 50%;
  background: var(--c, var(--muted));
  box-shadow: 0 0 0 3px color-mix(in srgb, var(--c, var(--muted)) 16%, transparent);
  flex: none;
}
.chip:hover { transform: translateY(-1px); border-color: color-mix(in srgb, var(--c, var(--ink)) 40%, transparent); }
.chip[aria-pressed="true"] {
  border-color: color-mix(in srgb, var(--c) 60%, transparent);
  color: var(--ink);
  background: color-mix(in srgb, var(--c) 12%, var(--paper));
}
.chip-all::before { background: conic-gradient(#c0562e, #17786d, #6b4e9b, #2d6da6, #ab3a5b, #c0562e); }

/* ======================================================================
   CANVAS
   ====================================================================== */

.viewport {
  flex: 1 1 auto;
  position: relative;
  overflow: hidden;
  cursor: grab;
  touch-action: none;
  background: var(--bone);
}
.viewport.grabbing { cursor: grabbing; }

/* layered background --------------------------------------------------- */
.backdrop {
  position: absolute;
  inset: -10%;
  pointer-events: none;
  will-change: transform;
}

.bd-aurora {
  position: absolute;
  border-radius: 50%;
  filter: blur(90px);
  opacity: .5;
}
.bd-a1 {
  width: 48vw; height: 48vw;
  left: 4%; top: 2%;
  background: radial-gradient(circle, color-mix(in srgb, #c0562e 45%, transparent), transparent 68%);
  animation: float1 38s ease-in-out infinite alternate;
}
.bd-a2 {
  width: 54vw; height: 54vw;
  right: 2%; top: 12%;
  background: radial-gradient(circle, color-mix(in srgb, #17786d 42%, transparent), transparent 68%);
  animation: float2 46s ease-in-out infinite alternate;
}
.bd-a3 {
  width: 42vw; height: 42vw;
  left: 38%; bottom: -6%;
  background: radial-gradient(circle, color-mix(in srgb, #6b4e9b 38%, transparent), transparent 68%);
  animation: float3 52s ease-in-out infinite alternate;
}
@keyframes float1 { to { transform: translate3d(9vw, 6vh, 0) scale(1.18); } }
@keyframes float2 { to { transform: translate3d(-11vw, 9vh, 0) scale(1.12); } }
@keyframes float3 { to { transform: translate3d(6vw, -8vh, 0) scale(1.22); } }

.bd-tree {
  position: absolute;
  left: 50%; top: 48%;
  width: min(1500px, 105vw);
  aspect-ratio: 1900 / 1069;
  transform: translate(-50%, -50%);
  background: url("art/tree.jpg") center/contain no-repeat;
  mix-blend-mode: multiply;
  opacity: .07;
  filter: blur(1.5px);
  -webkit-mask-image: radial-gradient(ellipse 62% 62% at 50% 50%, #000 30%, transparent 78%);
          mask-image: radial-gradient(ellipse 62% 62% at 50% 50%, #000 30%, transparent 78%);
}
.bd-roots {
  position: absolute;
  left: 50%; bottom: -2%;
  width: min(1700px, 120vw);
  aspect-ratio: 1800 / 775;
  transform: translateX(-50%);
  background: url("art/roots.jpg") center bottom/contain no-repeat;
  mix-blend-mode: multiply;
  opacity: .16;
  /* the artwork's ground is not pure black, so without this its rectangle
     shows as a hard edge once the blend mode lifts it */
  -webkit-mask-image: linear-gradient(to top, #000 18%, transparent 82%);
          mask-image: linear-gradient(to top, #000 18%, transparent 82%);
}

.stage {
  position: absolute;
  top: 0; left: 0;
  transform-origin: 0 0;
  will-change: transform;
}
.stage.animating { transition: transform .6s var(--ease-out); }

.links { position: absolute; top: 0; left: 0; overflow: visible; pointer-events: none; }

.link-path {
  fill: none;
  stroke: var(--c, var(--ink));
  stroke-width: 1.8;
  stroke-linecap: round;
  stroke-linejoin: round;
  opacity: .5;
  transition: opacity .35s, stroke-width .35s;
}
.link-path.drawing {
  stroke-dasharray: var(--len);
  stroke-dashoffset: var(--len);
  animation: drawLine 1.1s var(--ease-out) forwards;
  animation-delay: var(--d, 0ms);
}
@keyframes drawLine { to { stroke-dashoffset: 0; } }

.rows, .cards { position: absolute; top: 0; left: 0; }

/* generation rail ------------------------------------------------------ */
.row-line {
  position: absolute;
  height: 0;
  border-top: 1px dashed var(--rule-2);
}
.row-label {
  position: absolute;
  transform: translateY(-50%);
  white-space: nowrap;
  text-align: center;
}
.row-label b {
  display: block;
  font-family: var(--display);
  font-size: 30px;
  font-weight: 300;
  font-style: italic;
  line-height: 1;
  color: color-mix(in srgb, var(--gold) 62%, transparent);
  margin-bottom: 6px;
}
.row-label span {
  display: block;
  font-size: 9px;
  letter-spacing: .3em;
  text-transform: uppercase;
  color: var(--muted);
  font-weight: 600;
}

/* person card ---------------------------------------------------------- */
.node {
  position: absolute;
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 0 13px;
  border: 1px solid transparent;
  border-radius: var(--r-card);
  background:
    linear-gradient(175deg, var(--paper), var(--paper-2)) padding-box,
    linear-gradient(155deg,
      color-mix(in srgb, var(--c) 55%, transparent),
      color-mix(in srgb, var(--c) 8%, transparent) 48%,
      color-mix(in srgb, var(--c) 30%, transparent)) border-box;
  box-shadow: var(--shadow-card), 0 10px 30px -22px color-mix(in srgb, var(--c) 90%, transparent);
  cursor: pointer;
  overflow: hidden;
  transition:
    transform .32s var(--ease),
    box-shadow .32s var(--ease),
    opacity .35s var(--ease);
}

/* a soft branch-coloured light inside the top of the card */
.node::before {
  content: "";
  position: absolute;
  left: 50%; top: -34px;
  width: 130%; height: 62px;
  transform: translateX(-50%);
  background: radial-gradient(ellipse at center, color-mix(in srgb, var(--c) 26%, transparent), transparent 70%);
  opacity: .8;
  pointer-events: none;
}

.node.entering {
  opacity: 0;
  animation: cardIn .85s var(--ease-out) forwards;
  animation-delay: var(--d, 0ms);
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(16px) scale(.94); filter: blur(5px); }
  to   { opacity: 1; transform: none; filter: none; }
}

.node:hover {
  transform: translateY(-4px) scale(1.035);
  box-shadow: var(--shadow-lift), 0 18px 44px -20px color-mix(in srgb, var(--c) 95%, transparent);
  z-index: 5;
}

.node.selected {
  box-shadow:
    0 0 0 1.5px color-mix(in srgb, var(--c) 75%, transparent),
    0 0 0 6px color-mix(in srgb, var(--c) 16%, transparent),
    var(--shadow-lift);
  z-index: 6;
}

.node.pulse { animation: pulse 1.5s var(--ease-out); }
@keyframes pulse {
  0%   { box-shadow: 0 0 0 0 color-mix(in srgb, var(--c) 60%, transparent), var(--shadow-card); }
  70%  { box-shadow: 0 0 0 26px color-mix(in srgb, var(--c) 0%, transparent), var(--shadow-card); }
  100% { box-shadow: var(--shadow-card); }
}

.node .line {
  display: flex;
  align-items: center;
  justify-content: center;
  white-space: nowrap;
  position: relative;
}
.node .nm {
  font-size: 13.5px;
  font-weight: 600;
  letter-spacing: .004em;
  line-height: 1.25;
}
.node .nm.q { border-bottom: 1.5px dotted color-mix(in srgb, var(--ink) 32%, transparent); }

.node .note {
  font-size: 10px;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--muted);
  text-align: center;
  line-height: 1.3;
  margin-top: 3px;
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  position: relative;
}

/* marriage divider inside a couple card */
.node .pair {
  display: flex;
  align-items: center;
  gap: 7px;
  padding: 4px 2px 3px;
  position: relative;
}
.node .pair i {
  flex: 1 1 auto;
  height: 1px;
  background: linear-gradient(90deg, transparent, color-mix(in srgb, var(--c) 55%, transparent), transparent);
}
.node .rings { flex: none; width: 19px; height: 11px; color: var(--c); opacity: .95; }

/* the two grand tiers get the display face */
.node.is-root {
  background:
    linear-gradient(175deg, var(--paper), color-mix(in srgb, var(--gold) 9%, var(--paper-2))) padding-box,
    linear-gradient(155deg, color-mix(in srgb, var(--gold) 70%, transparent), color-mix(in srgb, var(--gold) 15%, transparent) 55%, color-mix(in srgb, var(--gold) 45%, transparent)) border-box;
}
.node.is-root .nm {
  font-family: var(--display);
  font-size: 21px;
  font-weight: 400;
  letter-spacing: -.005em;
}
.node.is-root .note { color: var(--gold); }

.node.is-branch .nm {
  font-family: var(--display);
  font-size: 16.5px;
  font-weight: 400;
  letter-spacing: -.004em;
}

.node.placeholder {
  background: color-mix(in srgb, var(--paper) 45%, transparent);
  border: 1px dashed color-mix(in srgb, var(--c) 45%, var(--rule));
  box-shadow: none;
}
.node.placeholder::before { opacity: .35; }
.node.placeholder .nm {
  color: var(--muted);
  font-weight: 500;
  font-style: italic;
  font-family: var(--display);
  font-size: 14px;
}

/* lineage tracing on hover --------------------------------------------- */
.stage.tracing .node:not(.lineage) { opacity: .2; }
.stage.tracing .link-path:not(.lineage) { opacity: .08; }
.stage.tracing .link-path.lineage {
  opacity: 1;
  stroke-width: 2.6;
  filter: drop-shadow(0 0 6px color-mix(in srgb, var(--c) 65%, transparent));
}
.stage.tracing .node.lineage {
  box-shadow:
    0 0 0 1.5px color-mix(in srgb, var(--c) 55%, transparent),
    var(--shadow-lift),
    0 14px 40px -18px color-mix(in srgb, var(--c) 90%, transparent);
}

/* zoomed right out — drop the small print so the shape reads as a poster */
.stage.far .note { display: none; }
.stage.far .row-label span { opacity: 0; }
.stage.far .node { box-shadow: var(--shadow-card); }

/* branch isolation ----------------------------------------------------- */
.stage.focused .node:not(.in-focus)      { opacity: .11; }
.stage.focused .link-path:not(.in-focus) { opacity: .05; }

/* controls ------------------------------------------------------------- */
.zoom-controls {
  position: absolute;
  right: 18px;
  bottom: calc(18px + env(safe-area-inset-bottom));
  display: flex;
  flex-direction: column;
  gap: 7px;
  z-index: 20;
}
.zbtn {
  width: 42px; height: 42px;
  display: grid; place-items: center;
  border-radius: 14px;
  border: 1px solid var(--rule);
  background: color-mix(in srgb, var(--paper) 82%, transparent);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
  font-size: 17px;
  cursor: pointer;
  transition: background .2s, transform .2s var(--ease), border-color .2s;
}
.zbtn:hover { background: var(--paper); transform: translateY(-1px); border-color: color-mix(in srgb, var(--gold) 45%, transparent); }
.zbtn:active { transform: scale(.94); }
.zbtn-wide { font-size: 10.5px; font-weight: 700; letter-spacing: .16em; text-transform: uppercase; }

.hint {
  position: absolute;
  left: 50%; bottom: calc(20px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  font-size: 10.5px;
  letter-spacing: .13em;
  text-transform: uppercase;
  font-weight: 600;
  color: var(--muted);
  background: color-mix(in srgb, var(--paper) 74%, transparent);
  backdrop-filter: blur(12px);
  padding: 9px 18px;
  border-radius: 999px;
  border: 1px solid var(--rule);
  pointer-events: none;
  white-space: nowrap;
  transition: opacity .8s;
  z-index: 15;
}
.hint.gone { opacity: 0; }

/* edit bar ------------------------------------------------------------- */
.editbar {
  position: fixed;
  left: 50%;
  bottom: calc(22px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  display: flex;
  align-items: center;
  gap: 10px;
  z-index: 45;
  animation: cardIn .5s var(--ease-out);
}

.fab {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 22px 13px 17px;
  border: 1px solid color-mix(in srgb, var(--gold) 40%, transparent);
  border-radius: 999px;
  background: linear-gradient(150deg, var(--ink), color-mix(in srgb, var(--ink) 80%, var(--gold)));
  color: var(--bone);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .08em;
  cursor: pointer;
  box-shadow: 0 12px 34px -12px rgba(40, 30, 15, .75);
  transition: transform .25s var(--ease), box-shadow .25s, opacity .25s;
}
.fab svg { width: 18px; height: 18px; }
.fab:hover { transform: translateY(-2px); box-shadow: 0 18px 42px -14px rgba(40, 30, 15, .85); }
.fab:disabled { opacity: .5; cursor: default; transform: none; }

/* publish sits quiet until there is something to publish */
.fab-publish {
  background: color-mix(in srgb, var(--paper) 88%, transparent);
  color: var(--ink);
  border-color: var(--rule);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow-card);
}
.fab-publish:hover { box-shadow: var(--shadow-lift); }

.fab-publish.dirty {
  background: linear-gradient(150deg, var(--gold-2), var(--gold));
  border-color: color-mix(in srgb, var(--gold) 60%, transparent);
  color: #2a2113;
  box-shadow: 0 12px 34px -12px color-mix(in srgb, var(--gold) 70%, transparent);
}
.fab-publish.dirty::after {
  content: "";
  width: 7px; height: 7px;
  border-radius: 50%;
  background: #2a2113;
  animation: breathe 2.4s var(--ease) infinite;
}
@keyframes breathe { 0%, 100% { opacity: .35; } 50% { opacity: 1; } }

.fab-publish.busy { opacity: .7; cursor: progress; }

/* ======================================================================
   DRAWER
   ====================================================================== */

.drawer {
  position: fixed;
  top: calc(var(--topbar-h) + var(--legend-h) + 16px + env(safe-area-inset-top));
  right: 18px;
  width: 348px;
  max-height: calc(100dvh - var(--topbar-h) - var(--legend-h) - 34px - env(safe-area-inset-top));
  overflow-x: hidden;
  overflow-y: auto;
  background: color-mix(in srgb, var(--paper) 94%, transparent);
  backdrop-filter: blur(18px) saturate(1.3);
  border: 1px solid var(--rule);
  border-radius: var(--r-panel);
  box-shadow: var(--shadow-pop);
  padding: 24px;
  z-index: 50;
  animation: drawerIn .38s var(--ease-out);
}
@keyframes drawerIn { from { opacity: 0; transform: translateY(-12px) scale(.98); } }

/* decorative corner motif — kept strictly inside the panel so it can never
   add a stray scrollbar */
.drawer-sprig {
  position: absolute;
  right: 0; bottom: 0;
  width: 180px; height: 180px;
  background: url("art/sprig.jpg") center/contain no-repeat;
  mix-blend-mode: multiply;
  opacity: .34;
  pointer-events: none;
  -webkit-mask-image: radial-gradient(ellipse 90% 90% at 78% 78%, #000 25%, transparent 72%);
          mask-image: radial-gradient(ellipse 90% 90% at 78% 78%, #000 25%, transparent 72%);
}

.drawer-close {
  position: absolute;
  top: 15px; right: 15px;
  width: 32px; height: 32px;
  display: grid; place-items: center;
  border: 0; border-radius: 10px;
  background: none;
  color: var(--muted);
  cursor: pointer;
  transition: background .2s, color .2s;
  z-index: 2;
}
.drawer-close svg { width: 16px; height: 16px; }
.drawer-close:hover { background: var(--paper-2); color: var(--ink); }

.d-kicker {
  font-size: 9.5px;
  letter-spacing: .28em;
  text-transform: uppercase;
  color: var(--c, var(--muted));
  font-weight: 700;
  margin-bottom: 10px;
  position: relative;
}
.d-name {
  font-family: var(--display);
  font-size: 34px;
  font-weight: 300;
  line-height: 1.05;
  letter-spacing: -.02em;
  margin: 0 30px 4px 0;
  position: relative;
}
.d-spouse {
  font-size: 14px;
  color: var(--ink-2);
  margin: 0 0 18px;
  font-style: italic;
  font-family: var(--display);
  position: relative;
}
.d-spouse strong { font-style: normal; font-weight: 500; }
.d-note { font-size: 12.5px; color: var(--muted); margin: -10px 0 18px; position: relative; }

.d-flag {
  display: inline-block;
  font-size: 11px;
  letter-spacing: .06em;
  padding: 5px 12px;
  border-radius: 999px;
  background: color-mix(in srgb, var(--gold) 16%, transparent);
  border: 1px solid color-mix(in srgb, var(--gold) 30%, transparent);
  color: color-mix(in srgb, var(--gold) 85%, var(--ink));
  margin-bottom: 14px;
  position: relative;
}

.d-row {
  display: flex;
  gap: 12px;
  padding: 11px 0;
  border-top: 1px solid var(--rule);
  font-size: 13.5px;
  line-height: 1.5;
  position: relative;
}
.d-row dt {
  flex: none; width: 76px;
  color: var(--muted);
  margin: 0;
  font-size: 10px;
  letter-spacing: .16em;
  text-transform: uppercase;
  font-weight: 600;
  padding-top: 3px;
}
.d-row dd { margin: 0; flex: 1; }

.d-link {
  border: 0; background: none; padding: 0;
  color: var(--ink);
  cursor: pointer;
  font: inherit;
  font-weight: 600;
  text-align: left;
  border-bottom: 1px solid color-mix(in srgb, var(--gold) 50%, transparent);
  transition: color .2s, border-color .2s;
}
.d-link:hover { color: var(--gold); border-color: var(--gold); }
.d-kids { display: flex; flex-wrap: wrap; gap: 5px 12px; }

.d-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 7px;
  margin-top: 18px;
  padding-top: 17px;
  border-top: 1px solid var(--rule);
  position: relative;
}
.d-actions .btn { padding: 8px 12px; font-size: 12px; }

/* ======================================================================
   MODALS
   ====================================================================== */

.modal-backdrop {
  position: fixed;
  inset: 0;
  background: color-mix(in srgb, #14110c 52%, transparent);
  backdrop-filter: blur(6px);
  display: grid;
  place-items: center;
  padding: 24px;
  z-index: 80;
  animation: fadeIn .22s ease;
}
@keyframes fadeIn { from { opacity: 0; } }

.modal {
  width: min(480px, 100%);
  max-height: min(88dvh, 780px);
  display: flex;
  flex-direction: column;
  background: var(--paper);
  border: 1px solid var(--rule);
  border-radius: var(--r-panel);
  box-shadow: var(--shadow-pop);
  animation: modalIn .34s var(--ease-out);
  overflow: hidden;
}
.modal-narrow { width: min(420px, 100%); }
@keyframes modalIn { from { opacity: 0; transform: translateY(16px) scale(.97); } }

.modal-head {
  flex: none;
  position: relative;
  padding: 24px 24px 14px;
}
.modal-head h2 {
  font-family: var(--display);
  font-size: 26px;
  font-weight: 300;
  letter-spacing: -.015em;
  margin: 0;
}

.modal-body { overflow-y: auto; padding: 4px 24px 24px; }

.field { display: block; margin-bottom: 16px; }
.field-label {
  display: block;
  font-size: 10px;
  letter-spacing: .18em;
  text-transform: uppercase;
  font-weight: 700;
  color: var(--muted);
  margin-bottom: 7px;
}
.field-label em { font-style: normal; font-weight: 500; letter-spacing: .1em; opacity: .8; }

.field input, .field select {
  font: inherit;
  font-size: 14.5px;
  width: 100%;
  padding: 11px 13px;
  border-radius: 12px;
  border: 1px solid var(--rule);
  background: var(--bone);
  color: var(--ink);
  outline: none;
  transition: border-color .2s, box-shadow .2s, background .2s;
}
.field input:focus, .field select:focus {
  background: var(--paper);
  border-color: color-mix(in srgb, var(--gold) 55%, transparent);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--gold) 13%, transparent);
}
.field input[readonly] { color: var(--muted); background: var(--paper-2); }
.field-help {
  display: block;
  font-size: 11.5px;
  color: var(--muted);
  margin-top: 6px;
  line-height: 1.45;
}

.check {
  display: flex;
  align-items: flex-start;
  gap: 9px;
  font-size: 13px;
  color: var(--ink-2);
  line-height: 1.45;
  margin-bottom: 4px;
}
.check input { margin-top: 2px; accent-color: var(--gold); }

.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 9px;
  margin-top: 22px;
}

.menu-note { font-size: 12.5px; color: var(--muted); line-height: 1.6; margin: 0 0 16px; }

.menu-item {
  display: block;
  width: 100%;
  text-align: left;
  border: 1px solid var(--rule);
  background: var(--bone);
  border-radius: 14px;
  padding: 14px 16px;
  margin-bottom: 9px;
  cursor: pointer;
  transition: border-color .2s, background .2s, transform .2s var(--ease);
}
.menu-item:hover { border-color: color-mix(in srgb, var(--gold) 45%, transparent); background: var(--paper-2); transform: translateY(-1px); }
.menu-item strong { display: block; font-size: 14px; font-weight: 600; margin-bottom: 4px; }
.menu-item span { display: block; font-size: 12.5px; color: var(--muted); line-height: 1.5; }
.menu-item code {
  font-size: 11.5px;
  background: color-mix(in srgb, var(--ink) 8%, transparent);
  padding: 1px 5px;
  border-radius: 5px;
}
.menu-item-danger strong { color: var(--danger); }

.credits {
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--rule);
  font-size: 12px;
  color: var(--muted);
  line-height: 1.7;
}
.credits b {
  color: var(--ink-2);
  font-weight: 600;
  font-size: 9.5px;
  letter-spacing: .16em;
  text-transform: uppercase;
  margin-right: 6px;
}

/* toast ---------------------------------------------------------------- */
.toast {
  position: fixed;
  left: 50%;
  bottom: calc(26px + env(safe-area-inset-bottom));
  transform: translateX(-50%);
  background: var(--ink);
  color: var(--bone);
  font-size: 13px;
  font-weight: 500;
  padding: 12px 22px;
  border-radius: 999px;
  box-shadow: var(--shadow-pop);
  z-index: 100;
  animation: toastIn .3s var(--ease-out);
  max-width: calc(100vw - 32px);
  text-align: center;
}
@keyframes toastIn { from { opacity: 0; transform: translate(-50%, 12px); } }
body.editing .toast { bottom: calc(84px + env(safe-area-inset-bottom)); }

/* ======================================================================
   MOBILE
   ====================================================================== */

@media (max-width: 760px) {
  :root { --topbar-h: 68px; --legend-h: 48px; }

  .topbar { padding: 0 14px; gap: 8px; }
  .brand-mark { width: 38px; height: 38px; border-radius: 12px; }
  .brand-mark svg { width: 22px; height: 22px; }
  .brand-name { font-size: 20px; }
  .brand-sub { font-size: 8.5px; letter-spacing: .2em; }

  .search input { width: 40px; padding-right: 4px; }
  .search input::placeholder { color: transparent; }
  .search input:focus { width: min(58vw, 220px); }
  .search input:focus::placeholder { color: var(--muted); }

  #editToggle span { display: none; }
  #editToggle { padding: 10px; }

  .legend-wrap { padding: 0 14px; gap: 10px; }
  .legend-label { display: none; }

  /* the opening screen has to earn its place on a phone in portrait */
  .ov-inner { padding: 24px 20px 0; }
  .ov-kicker { margin-bottom: 18px; font-size: 10px; letter-spacing: .28em; }
  .ov-kicker i { width: 22px; }
  .ov-l1 { font-size: clamp(52px, 17vw, 88px); }
  .ov-l2 { font-size: clamp(20px, 6.2vw, 30px); }
  .ov-lede { margin-top: 18px; font-size: 13px; line-height: 1.6; max-width: 330px; }
  .ov-lede br { display: none; }
  .ov-enter { margin-top: 26px; padding: 11px 13px 11px 22px; font-size: 12px; }
  .ov-enter svg { width: 27px; height: 27px; }

  .ov-foot { gap: 12px; padding-bottom: calc(28px + env(safe-area-inset-bottom)); }
  .ov-meta { gap: 12px; font-size: 9.5px; letter-spacing: .16em; }
  .ov-meta b { font-size: 13px; }
  .ov-credits { padding-top: 12px; gap: 2px; }
  .ov-credits > div { gap: 6px; }
  .ov-credits dt { font-size: 8px; letter-spacing: .2em; }
  .ov-credits dd { font-size: 11.5px; }

  .drawer {
    top: auto; bottom: 0; left: 0; right: 0;
    width: auto;
    max-height: 72dvh;
    border-radius: 24px 24px 0 0;
    border-bottom: 0;
    padding: 24px 20px calc(24px + env(safe-area-inset-bottom));
    animation: sheetIn .34s var(--ease-out);
  }
  .d-name { font-size: 30px; }

  .editbar { bottom: calc(18px + env(safe-area-inset-bottom)); gap: 8px; }
  .fab { padding: 12px 18px 12px 15px; font-size: 12.5px; }
  .hint { display: none; }
  .zoom-controls { bottom: calc(82px + env(safe-area-inset-bottom)); right: 14px; }
  .zbtn { width: 38px; height: 38px; border-radius: 12px; }

  .modal-backdrop { padding: 0; align-items: flex-end; }
  .modal {
    width: 100%;
    max-height: 92dvh;
    border-radius: 24px 24px 0 0;
    animation: sheetIn .34s var(--ease-out);
  }
  .modal-body { padding-bottom: calc(24px + env(safe-area-inset-bottom)); }

  /* tracing is a hover idea — keep the canvas calm on touch */
  .stage.tracing .node:not(.lineage),
  .stage.tracing .link-path:not(.lineage) { opacity: 1; }
}

@keyframes sheetIn { from { transform: translateY(100%); } }

/* short screens — landscape phones, small laptops, and iPhones with the
   address bar showing. Shrink the opening rather than let it overflow. */
@media (max-height: 720px) {
  .ov-kicker { margin-bottom: 14px; }
  .ov-l1 { font-size: clamp(44px, 11vh, 96px); }
  .ov-l2 { font-size: clamp(18px, 3.4vh, 32px); }
  .ov-lede { margin-top: 14px; font-size: 12.5px; }
  .ov-enter { margin-top: 20px; }
  .ov-foot { gap: 10px; }
  .ov-credits { padding-top: 10px; }
}

@media (max-height: 560px) {
  .ov-lede { display: none; }
  .ov-credits dd { font-size: 11px; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .001ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .001ms !important;
  }
  .ov-kicker, .ov-l1, .ov-l2, .ov-lede, .ov-enter, .ov-meta { opacity: 1; }
  .node.entering { opacity: 1; }
}