/* Esplora · the Plantiverse brain, drawn like the OMNIA 2 graph view:
   one colour (carta da zucchero) for everything, yellow for what is linked. */

.xb {
  --sugar: #9db7d5; --yel: #ffd24a; --space: #02030a;
  --glass: rgba(10, 14, 22, 0.82); --glass-line: rgba(157, 183, 213, 0.18);
  background: var(--space); overflow: hidden;
}
.xb .top { background: rgba(2, 3, 10, 0.72); border-bottom-color: var(--glass-line); }
.xb .top__in { padding-left: var(--gutter); }
.xb-crumb { font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--sugar); margin-right: auto; padding-left: 14px; border-left: 1px solid var(--glass-line); }
.xb-back { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-dark-mid); padding: 7px 12px; border: 1px solid var(--glass-line); border-radius: 999px; }
.xb-back:hover { color: var(--on-dark); border-color: var(--sugar); }
.xb .lang button[aria-pressed="true"] { background: var(--sugar); }

.xb-main { position: fixed; inset: 74px 0 0 0; }
#gl { position: absolute; inset: 0; width: 100%; height: 100%; display: block; cursor: grab; touch-action: none; }
#gl.is-drag { cursor: grabbing; } #gl.is-over { cursor: pointer; }

/* labels drawn as HTML over the canvas: crisp text, no WebGL fonts */
.xb-labels { position: absolute; inset: 0; pointer-events: none; overflow: hidden; }
.xb-labels span { position: absolute; transform: translate(10px, -50%); white-space: nowrap; font-size: 11px; color: rgba(214, 226, 240, 0.86);
  text-shadow: 0 0 6px var(--space), 0 0 2px var(--space); }
.xb-labels .is-root { font-family: var(--mono); font-size: 13px; letter-spacing: 0.3em; font-weight: 600; color: #fff; transform: translate(-50%, 18px); }
.xb-labels .is-hub { font-family: var(--mono); font-size: 10.5px; letter-spacing: 0.2em; text-transform: uppercase; color: #dbe6f2; transform: translate(-50%, 14px);
  background: rgba(2, 3, 10, 0.62); padding: 2px 7px; border-radius: 4px; }
.xb-labels .is-root { background: rgba(2, 3, 10, 0.55); padding: 3px 9px; border-radius: 5px; }
.xb-labels .is-yel { color: var(--yel); }
.xb-labels .is-sel { color: var(--yel); font-size: 13px; font-weight: 600; }

.xb-tip { position: absolute; z-index: 6; pointer-events: none; padding: 6px 10px; border-radius: 8px; background: var(--glass); border: 1px solid var(--glass-line); font-size: 0.8rem; color: var(--on-dark); max-width: 280px; }
.xb-tip small { display: block; color: var(--sugar); font-family: var(--mono); font-size: 0.58rem; letter-spacing: 0.1em; text-transform: uppercase; }

.xb-search { position: absolute; z-index: 7; top: 16px; left: 50%; transform: translateX(-50%); width: min(560px, calc(100% - 32px)); display: flex; gap: 6px; padding: 6px;
  background: var(--glass); border: 1px solid var(--glass-line); border-radius: 999px; backdrop-filter: blur(12px); -webkit-backdrop-filter: blur(12px); }
.xb-search:focus-within { border-color: var(--sugar); }
.xb-search input { flex: 1; min-width: 0; background: none; border: 0; outline: 0; color: var(--on-dark); font: 0.95rem/1.2 var(--sans); padding: 8px 14px; }
.xb-search input::placeholder { color: var(--on-dark-low); }
.xb-search button { font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; font-weight: 600; background: var(--sugar); color: var(--space); border-radius: 999px; padding: 9px 16px; }
.xb-results { position: absolute; z-index: 7; top: 70px; left: 50%; transform: translateX(-50%); width: min(560px, calc(100% - 32px)); max-height: 56%; overflow-y: auto; list-style: none; margin: 0; padding: 6px;
  background: rgba(10, 14, 22, 0.96); border: 1px solid var(--glass-line); border-radius: 14px; }
.xb-results button { width: 100%; text-align: left; display: grid; grid-template-columns: auto 1fr; gap: 2px 12px; padding: 9px 12px; border-radius: 9px; }
.xb-results button:hover, .xb-results button.is-on { background: rgba(157, 183, 213, 0.1); }
.xb-results b { font-weight: 500; color: var(--on-dark); }
.xb-results small { grid-column: 2; color: var(--on-dark-low); font-size: 0.78rem; }
.xb-results .none { padding: 12px; color: var(--on-dark-mid); font-size: 0.9rem; }

/* side panels, as in OMNIA 2: left = the node, right = what it is linked to */
.xb-left, .xb-right { position: absolute; z-index: 5; top: 16px; bottom: 16px; width: min(360px, 30vw); overflow-y: auto; padding: 22px 20px 30px;
  background: var(--glass); border: 1px solid var(--glass-line); border-radius: 16px; backdrop-filter: blur(14px); -webkit-backdrop-filter: blur(14px); }
.xb-left { left: 16px; } .xb-right { right: 16px; width: min(320px, 26vw); }
.xb-right:empty { display: none; }

.k { display: inline-block; font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sugar); border: 1px solid rgba(157, 183, 213, 0.4); border-radius: 999px; padding: 3px 8px; white-space: nowrap; }
.k--y { color: var(--yel); border-color: rgba(255, 210, 74, 0.45); }
.eb, .card .eb { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.18em; text-transform: uppercase; color: var(--on-dark-low); margin: 22px 0 10px; display: flex; align-items: center; gap: 10px; }
.eb::before { content: ""; width: 20px; height: 1px; background: var(--sugar); }
.card h1 { font-size: clamp(1.35rem, 1.9vw, 1.75rem); line-height: 1.15; letter-spacing: -0.02em; font-weight: 500; margin: 12px 0 8px; color: var(--on-dark); }
.card h1 em { font-family: var(--serif); font-style: italic; font-weight: 400; color: #dbe6f2; }
.card .sub { color: var(--yel); font-family: var(--mono); font-size: 0.64rem; letter-spacing: 0.12em; text-transform: uppercase; margin: 0 0 10px; }
.card p { color: var(--on-dark-mid); line-height: 1.6; margin: 0 0 10px; font-size: 0.92rem; }
.card img.ph { width: 100%; aspect-ratio: 16 / 9; object-fit: cover; border-radius: 10px; margin: 6px 0 10px; opacity: 0.92; }
.card dl { margin: 12px 0; display: grid; grid-template-columns: auto 1fr; gap: 6px 14px; font-size: 0.84rem; }
.card dt { font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-dark-low); padding-top: 3px; }
.card dd { margin: 0; color: var(--on-dark); }
.stat { display: grid; grid-template-columns: 1fr 1fr; gap: 1px; background: var(--glass-line); border: 1px solid var(--glass-line); border-radius: 10px; overflow: hidden; margin: 14px 0 0; }
.stat div { background: rgba(10, 14, 22, 0.9); padding: 11px 12px; }
.stat b { display: block; font-size: 1.25rem; font-weight: 500; color: #dbe6f2; letter-spacing: -0.02em; }
.stat span { font-family: var(--mono); font-size: 0.52rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-dark-low); }
.chips { display: flex; flex-wrap: wrap; gap: 6px; margin: 10px 0 0; }
.chips button { font-size: 0.78rem; color: var(--on-dark-mid); border: 1px solid var(--glass-line); border-radius: 999px; padding: 5px 11px; }
.chips button:hover { color: var(--on-dark); border-color: var(--sugar); }
.go { display: inline-block; margin-top: 16px; font-family: var(--mono); font-size: 0.62rem; letter-spacing: 0.14em; text-transform: uppercase; color: var(--sugar); border-bottom: 1px solid currentColor; padding-bottom: 2px; }
.backbtn { font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-dark-low); margin-bottom: 12px; }
.backbtn:hover { color: var(--on-dark); }
.note, .card .note { font-family: var(--mono); font-size: 0.62rem; line-height: 1.6; color: var(--on-dark-low); margin: 8px 0 0; }
.src { margin: 12px 0 0; padding: 10px 12px; border-left: 2px solid var(--yel); background: rgba(255, 210, 74, 0.05); font-size: 0.74rem; line-height: 1.55; color: var(--on-dark-mid); }
.src b { display: block; font-family: var(--mono); font-size: 0.54rem; letter-spacing: 0.16em; text-transform: uppercase; color: var(--yel); margin-bottom: 4px; }
.src li { margin: 0 0 6px; } .src ol { margin: 0; padding-left: 16px; }

/* phytoremediation table */
.ptab { width: 100%; border-collapse: collapse; font-size: 0.82rem; margin-top: 6px; }
.ptab td { padding: 6px 4px; border-bottom: 1px solid var(--glass-line); color: var(--on-dark); }
.ptab td:first-child { font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-dark-low); width: 52px; }
.ptab td:last-child { white-space: nowrap; text-align: right; color: var(--sugar); font-family: var(--mono); font-size: 0.7rem; }
.ptab button { color: inherit; text-align: left; } .ptab button:hover { color: var(--yel); }

/* indicator charts for sites */
.ind { border: 1px solid var(--glass-line); border-radius: 10px; padding: 10px 12px 8px; margin: 8px 0 0; }
.ind header { display: flex; justify-content: space-between; align-items: baseline; }
.ind header span { font-family: var(--mono); font-size: 0.56rem; letter-spacing: 0.12em; text-transform: uppercase; color: var(--on-dark-low); }
.ind header b { font-weight: 500; color: #dbe6f2; }
.ind svg { width: 100%; height: 46px; display: block; margin-top: 4px; color: var(--sugar); }

/* right panel: linked nodes */
.filt { display: flex; flex-wrap: wrap; gap: 5px; margin: 0 0 10px; }
.filt button { font-family: var(--mono); font-size: 0.54rem; letter-spacing: 0.1em; text-transform: uppercase; color: var(--on-dark-low); border: 1px solid var(--glass-line); border-radius: 999px; padding: 4px 8px; }
.filt button[aria-pressed="true"] { color: var(--space); background: var(--yel); border-color: var(--yel); }
.links { list-style: none; margin: 0; padding: 0; }
.links li + li { border-top: 1px solid var(--glass-line); }
.links button { width: 100%; text-align: left; padding: 9px 2px; display: grid; gap: 3px; }
.links b { font-weight: 500; color: var(--on-dark); font-size: 0.88rem; line-height: 1.3; }
.links button:hover b, .links button:focus-visible b { color: var(--yel); }
.links small { font-size: 0.7rem; color: var(--on-dark-low); }
.more { font-size: 0.78rem; color: var(--on-dark-low); padding: 10px 2px; }

.xb-tools { position: absolute; z-index: 6; right: calc(min(320px, 26vw) + 32px); bottom: 18px; display: flex; flex-direction: column; gap: 6px; }
.xb-tools button { width: 38px; height: 38px; border-radius: 50%; border: 1px solid var(--glass-line); background: var(--glass); color: var(--on-dark); font-size: 1.05rem; }
.xb-tools button:hover { border-color: var(--sugar); }
.xb-hint { position: absolute; z-index: 4; left: calc(min(360px, 30vw) + 34px); bottom: 14px; margin: 0; font-family: var(--mono); font-size: 0.6rem; letter-spacing: 0.08em; color: var(--on-dark-low); max-width: 46ch; }
.xb-load { position: absolute; inset: 0; display: grid; place-items: center; pointer-events: none; transition: opacity 0.8s; }
.xb-load span { width: 46px; height: 46px; border-radius: 50%; border: 1px solid var(--glass-line); border-top-color: var(--sugar); animation: xbspin 1s linear infinite; }
.xb-load.is-done { opacity: 0; }
@keyframes xbspin { to { transform: rotate(360deg); } }

@media (max-width: 900px) {
  .xb { overflow: auto; }
  .xb-crumb, .xb-back { display: none; }
  .xb-main { position: relative; inset: auto; padding-top: 74px; display: flex; flex-direction: column; }
  .xb-main > #gl, .xb-labels { position: absolute; top: 74px; left: 0; right: 0; height: 62svh; inset: 74px 0 auto 0; }
  .xb-main::before { content: ""; display: block; height: 62svh; flex: none; }
  .xb-search { top: 86px; } .xb-results { top: 140px; }
  .xb-left, .xb-right { position: relative; inset: auto; width: auto; margin: 10px 12px 0; max-height: none; overflow: visible; }
  .xb-right { margin-bottom: 30px; }
  .xb-tools { right: 12px; top: calc(74px + 62svh - 140px); bottom: auto; }
  .xb-hint { display: none; }
  .xb-load { inset: 74px 0 auto 0; height: 62svh; }
}
@media (prefers-reduced-motion: reduce) { .xb-load span { animation: none; } }

/* photos in the left card */
.card .ph--logo { display: grid; place-items: center; aspect-ratio: 16 / 7; border-radius: 10px; margin: 6px 0 10px; background: rgba(157, 183, 213, 0.06); border: 1px solid var(--glass-line); }
.card .ph--logo img { max-height: 34%; max-width: 52%; object-fit: contain; filter: grayscale(1) brightness(0) invert(1); opacity: 0.8; }
.card .ph-wild { margin: 0; }
.card .ph-wild img.ph { margin-bottom: 4px; aspect-ratio: 4 / 3; }
.card .ph-wild figcaption { font-family: var(--mono); font-size: 0.52rem; letter-spacing: 0.08em; color: var(--on-dark-low); margin: 0 0 12px; }
.card .ph-wild figcaption a { color: var(--sugar); }
.card .ph--wait { display: block; aspect-ratio: 4 / 3; border-radius: 10px; margin: 6px 0 10px; background: linear-gradient(100deg, rgba(157, 183, 213, 0.04) 30%, rgba(157, 183, 213, 0.12) 50%, rgba(157, 183, 213, 0.04) 70%) 0 0 / 300% 100%; animation: phwait 1.4s linear infinite; }
@keyframes phwait { to { background-position: -300% 0; } }
@media (prefers-reduced-motion: reduce) { .card .ph--wait { animation: none; } }