/* RoGamedevCompany — hub.css
 * Confluence-style two-pane knowledge hub. Reuses the design tokens declared in
 * styles.css (must be loaded first). Layout: fixed topbar + a two-column body
 * that fills the viewport; each column scrolls independently. On mobile the
 * left viewer becomes a full-screen menu and the content takes over.
 */

/* ---------- shell ---------- */
html, body { height: 100%; }
body.hub-body-lock { overflow: hidden; }

.hub-shell {
  display: flex;
  flex-direction: column;
  height: 100vh;
  height: 100dvh;
}

.hub-topbar {
  flex: 0 0 auto;
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 0 clamp(12px, 2.5vw, 20px);
  height: 56px;
  border-bottom: 1px solid var(--color-border);
  background: color-mix(in srgb, var(--color-surface) 92%, transparent);
  backdrop-filter: blur(8px);
  z-index: 30;
}
.hub-brand {
  display: flex; align-items: center; gap: 10px;
  text-decoration: none; color: var(--color-text); font-weight: 800;
}
.hub-brand__mark {
  width: 30px; height: 30px; border-radius: 9px;
  display: grid; place-items: center;
  background: var(--color-primary); color: #04130d; font-weight: 900; font-size: 13px;
}
.hub-brand__text small { display: block; font-weight: 600; color: var(--color-muted); font-size: 11px; }
.hub-iconbtn {
  display: inline-grid; place-items: center;
  min-width: 38px; height: 38px; padding: 0 10px;
  border: 1px solid var(--color-border); border-radius: var(--radius-pill);
  background: var(--color-surface-2); color: var(--color-text);
  font-weight: 700; font-size: 13px;
}
.hub-iconbtn:hover { border-color: var(--color-border-strong); }
.hub-iconbtn svg { width: 18px; height: 18px; }
.hub-menu-btn { display: none; }
.hub-search-btn { display: none; }

/* three-zone topbar: brand (left) · search (center) · controls (right) */
.hub-topbar__side { display: flex; align-items: center; gap: 10px; flex: 1 1 0; min-width: 0; }
.hub-topbar__left { justify-content: flex-start; }
.hub-topbar__right { justify-content: flex-end; }

/* circular language button with masked country-flag colours under the code */
.hub-langbtn {
  position: relative; flex: 0 0 auto;
  width: 38px; height: 38px; padding: 0; border-radius: 50%; overflow: hidden;
  border: 1px solid var(--color-border-strong); background: var(--color-surface-2);
}
.hub-langbtn:hover { filter: brightness(1.06); }
.hub-langbtn__flag { position: absolute; inset: 0; }
.hub-langbtn__flag svg { width: 100%; height: 100%; display: block; }
.hub-langbtn__scrim { position: absolute; inset: 0; background: rgba(0, 0, 0, 0.32); }
.hub-langbtn__code {
  position: absolute; inset: 0; z-index: 2;
  display: grid; place-items: center;
  font-size: 12px; font-weight: 900; letter-spacing: 0.02em; color: #fff;
  text-shadow: 0 1px 2px rgba(0, 0, 0, 0.85);
}

/* desktop topbar search + dropdown */
.hub-topsearch {
  position: relative; flex: 0 1 480px;
  display: flex; align-items: center;
}
.hub-topsearch__icon {
  position: absolute; left: 12px; width: 16px; height: 16px; color: var(--color-muted);
  pointer-events: none;
}
.hub-topsearch input {
  width: 100%; padding: 8px 12px 8px 34px;
  border: 1px solid var(--color-border); border-radius: var(--radius-pill);
  background: var(--color-surface-2); color: var(--color-text); font-size: 13.5px;
}
.hub-topsearch input:focus { outline: none; border-color: var(--color-border-strong); background: var(--color-surface); }
.hub-searchpop {
  position: absolute; top: calc(100% + 8px); left: 0; right: 0; z-index: 40;
  max-height: 70vh; overflow-y: auto;
  padding: 8px; border: 1px solid var(--color-border-strong); border-radius: var(--radius-md);
  background: var(--color-surface); box-shadow: var(--shadow-strong);
}
.hub-results__head {
  font-size: 11px; font-weight: 900; letter-spacing: 0.14em; text-transform: uppercase;
  color: var(--color-muted); padding: 6px 10px 8px;
}

/* ---------- body / two columns ---------- */
.hub-main {
  flex: 1 1 auto;
  display: grid;
  grid-template-columns: var(--hub-sw, 338px) 7px minmax(0, 1fr);
  min-height: 0;
}

/* left content viewer */
.hub-sidebar {
  background: color-mix(in srgb, var(--color-surface) 60%, transparent);
  overflow-y: auto;
  padding: 12px 8px 40px;
  min-height: 0;
}
.hub-sidebar__title {
  font-size: 11px; font-weight: 900; letter-spacing: 0.16em; text-transform: uppercase;
  color: var(--color-muted); padding: 6px 10px 8px;
}

/* search box */
.hub-search { position: relative; padding: 0 8px 10px; }
.hub-search input {
  width: 100%; padding: 8px 30px 8px 12px;
  border: 1px solid var(--color-border); border-radius: 9px;
  background: var(--color-surface-2); color: var(--color-text); font-size: 13px;
}
.hub-search input:focus { outline: none; border-color: var(--color-border-strong); }
.hub-search__clear {
  position: absolute; top: 6px; right: 14px; width: 24px; height: 28px;
  background: none; border: 0; color: var(--color-muted); font-size: 18px; line-height: 1;
}

/* search results */
.hub-results { list-style: none; margin: 0; padding: 0 2px; }
.hub-result a {
  display: flex; align-items: flex-start; gap: 8px;
  padding: 8px 10px; border-radius: 8px; text-decoration: none; color: var(--color-text);
}
.hub-result a:hover { background: var(--color-surface-2); }
.hub-result__dot { color: var(--color-muted); opacity: 0.5; margin-top: 1px; }
.hub-result__text { min-width: 0; }
.hub-result__text small { display: block; color: var(--color-muted); font-size: 11px; }
.hub-results__empty { color: var(--color-muted); padding: 8px 12px; font-size: 13px; }

.hub-tree { list-style: none; margin: 0; padding: 0; }
.hub-row {
  display: flex; align-items: center; gap: 0;
  border-radius: 8px;
}
.hub-row:hover { background: var(--color-surface-2); }
.hub-row.is-active { background: color-mix(in srgb, var(--color-primary) 16%, transparent); }
.hub-row.is-active .hub-row__link { color: var(--color-primary-strong); font-weight: 700; }
.hub-row.is-active .hub-row__dot { color: var(--color-primary-strong); opacity: 1; }
.hub-row--primary {
  margin: 0 0 6px;
  border: 1px solid color-mix(in srgb, var(--color-primary) 28%, var(--color-border));
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-primary) 18%, var(--color-surface-2)),
    color-mix(in srgb, var(--color-surface-3) 88%, transparent));
  box-shadow: 0 10px 28px rgba(0, 0, 0, 0.16);
}
.hub-row--primary:hover {
  background: linear-gradient(135deg,
    color-mix(in srgb, var(--color-primary) 24%, var(--color-surface-2)),
    var(--color-surface-3));
}
.hub-row--primary .hub-row__link {
  min-height: 42px;
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}
.hub-row--primary .hub-row__icon { opacity: 1; }
.hub-row--base {
  margin: 12px 0 4px;
  border-top: 1px solid var(--color-border);
  border-radius: 0;
}
.hub-row--base .hub-row__link {
  min-height: 34px;
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  color: var(--color-muted);
}
.hub-row--base:hover,
.hub-row--base.is-active {
  background: transparent;
}
.hub-row--base.is-active .hub-row__link {
  color: var(--color-primary-strong);
}
.hub-row__caret {
  flex: 0 0 auto; width: 26px; height: 32px;
  display: grid; place-items: center;
  background: none; border: 0; color: var(--color-muted);
  font-size: 22px; line-height: 1; font-weight: 700;
  transition: transform 140ms ease;
}
.hub-row__caret:hover { color: var(--color-text); }
.hub-row__caret.is-open { transform: rotate(90deg); }
.hub-row__caret.is-leaf { visibility: hidden; }
.hub-row__link {
  flex: 1 1 auto; min-width: 0;
  display: flex; align-items: center; gap: 9px;
  padding: 8px 8px 8px 0;
  color: var(--color-text); text-decoration: none; font-size: 14px;
  border: 0; background: none; text-align: left;
  white-space: nowrap; overflow: hidden; text-overflow: ellipsis;
}
.hub-row__dot {
  flex: 0 0 auto; width: 26px; text-align: center;
  color: var(--color-muted); opacity: 0.5; font-size: 14px; line-height: 32px;
}
.hub-row__icon { flex: 0 0 auto; opacity: 0.8; }
.hub-row__text { overflow: hidden; text-overflow: ellipsis; }

/* draggable divider */
.hub-resizer { position: relative; cursor: col-resize; touch-action: none; }
.hub-resizer::after {
  content: ''; position: absolute; top: 0; bottom: 0; left: 3px; width: 1px;
  background: var(--color-border); transition: background 120ms ease, width 120ms ease;
}
.hub-resizer:hover::after,
.hub-resizer.is-active::after { left: 2px; width: 3px; background: var(--color-primary); }

/* right page pane */
.hub-content {
  overflow-y: auto;
  min-height: 0;
  padding: clamp(18px, 3vw, 40px) clamp(16px, 4vw, 56px) 96px;
}
.hub-article { max-width: 820px; margin: 0 auto; }

.hub-breadcrumb {
  display: flex; flex-wrap: wrap; align-items: center; gap: 6px;
  font-size: 12.5px; color: var(--color-muted); margin-bottom: 14px;
}
.hub-breadcrumb a { color: var(--color-muted); text-decoration: none; }
.hub-breadcrumb a:hover { color: var(--color-text); }
.hub-breadcrumb .sep { opacity: 0.5; }

.hub-article h1 { font-size: clamp(28px, 4vw, 40px); line-height: 1.15; margin-bottom: 18px; }
.hub-prose { font-size: 16px; line-height: 1.7; }
.hub-prose h2 { font-size: clamp(20px, 2.6vw, 26px); margin: 32px 0 12px; scroll-margin-top: 70px; }
.hub-prose h3 { font-size: clamp(17px, 2.1vw, 20px); margin: 24px 0 10px; scroll-margin-top: 70px; }
.hub-prose p { margin: 0 0 14px; }
.hub-prose ul, .hub-prose ol { margin: 0 0 14px; padding-left: 22px; }
.hub-prose li { margin: 4px 0; }
.hub-prose a {
  color: #60a5fa;
  text-decoration: none;
  border-bottom: 1px solid color-mix(in srgb, #60a5fa 34%, transparent);
}
.hub-prose a:hover {
  color: #93c5fd;
  border-bottom-color: currentColor;
}
[data-theme='light'] .hub-prose a { color: #2563eb; border-bottom-color: color-mix(in srgb, #2563eb 28%, transparent); }
[data-theme='light'] .hub-prose a:hover { color: #1d4ed8; }
.hub-prose blockquote {
  margin: 0 0 14px; padding: 4px 16px; border-left: 3px solid var(--color-border-strong);
  color: var(--color-muted);
}
.hub-prose code {
  background: var(--color-surface-3); padding: 2px 6px; border-radius: 6px;
  font-size: 0.9em; font-family: ui-monospace, SFMono-Regular, Menlo, Consolas, monospace;
}
.hub-prose img.hub-img { max-width: 100%; border-radius: var(--radius-md); cursor: zoom-in; display: block; margin: 14px 0; }

.hub-pagelink {
  font-weight: 600;
}
.hub-pagelink::before { content: '\2197\00a0'; opacity: 0.6; font-size: 0.85em; }

/* ---------- blocks ---------- */
.hub-columns { display: grid; gap: clamp(14px, 2.4vw, 22px); margin: 0 0 16px; }
.hub-columns--even { grid-template-columns: 1fr 1fr; }
.hub-columns--right { grid-template-columns: 65fr 35fr; }
.hub-columns--left { grid-template-columns: 30fr 70fr; }
.hub-col > :last-child { margin-bottom: 0; }

.hub-mark {
  font-weight: 800;
  border-radius: 6px;
  padding: 0 0.18em;
}
.hub-mark--green {
  color: var(--color-success);
  background: color-mix(in srgb, var(--color-success) 12%, transparent);
}
.hub-mark--yellow {
  color: var(--color-warning);
  background: color-mix(in srgb, var(--color-warning) 14%, transparent);
}
.hub-mark--red {
  color: var(--color-danger);
  background: color-mix(in srgb, var(--color-danger) 12%, transparent);
}

.hub-callout {
  display: flex; gap: 12px; margin: 0 0 16px;
  padding: 14px 16px; border-radius: var(--radius-md);
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-left: 4px solid var(--color-info);
}
.hub-callout__icon {
  flex: 0 0 auto; width: 22px; height: 22px; border-radius: 50%;
  display: grid; place-items: center; font-weight: 900; font-size: 13px;
  background: color-mix(in srgb, var(--color-info) 22%, transparent); color: var(--color-text);
}
.hub-callout__body > :last-child { margin-bottom: 0; }
.hub-callout--success { border-left-color: var(--color-success); }
.hub-callout--success .hub-callout__icon { background: color-mix(in srgb, var(--color-success) 24%, transparent); }
.hub-callout--warn, .hub-callout--warning { border-left-color: var(--color-warning); }
.hub-callout--warn .hub-callout__icon, .hub-callout--warning .hub-callout__icon { background: color-mix(in srgb, var(--color-warning) 26%, transparent); }
.hub-callout--question { border-left-color: var(--color-accent); }
.hub-callout--question .hub-callout__icon { background: color-mix(in srgb, var(--color-accent) 24%, transparent); }

.hub-checklist { list-style: none; margin: 0 0 16px; padding: 0; }
.hub-checklist__item { margin: 0; }
.hub-checklist__item label {
  display: flex; align-items: flex-start; gap: 10px;
  padding: 8px 10px; border-radius: 8px; cursor: pointer;
}
.hub-checklist__item label:hover { background: var(--color-surface-2); }
.hub-checklist input { position: absolute; opacity: 0; width: 0; height: 0; }
.hub-check__box {
  flex: 0 0 auto; width: 20px; height: 20px; margin-top: 1px;
  border: 2px solid var(--color-border-strong); border-radius: 6px;
  display: grid; place-items: center;
}
.hub-check:checked + .hub-check__box {
  background: var(--color-primary); border-color: var(--color-primary);
}
.hub-check:checked + .hub-check__box::after {
  content: '\2713'; color: #ffffff; font-size: 16px; font-weight: 900;
  line-height: 1; text-align: center;
}
.hub-check:checked ~ .hub-check__label { color: var(--color-muted); text-decoration: line-through; }
.hub-check:focus-visible + .hub-check__box { outline: 2px solid var(--color-accent); outline-offset: 2px; }

.hub-tablewrap { overflow-x: auto; margin: 0 0 16px; -webkit-overflow-scrolling: touch; }
.hub-tablewrap table { border-collapse: collapse; width: 100%; min-width: 480px; font-size: 14px; }
.hub-tablewrap th, .hub-tablewrap td {
  border: 1px solid var(--color-border); padding: 9px 12px; text-align: left; vertical-align: top;
}
.hub-tablewrap thead th { background: var(--color-surface-2); }
.hub-tablewrap th:first-child,
.hub-tablewrap td:first-child {
  width: 30%;
  min-width: 170px;
  white-space: nowrap;
}
.hub-tablewrap th:first-child a,
.hub-tablewrap td:first-child a {
  white-space: nowrap;
}
/* Bank comparison: slim first two columns, give the rest the room. */
.hub-banktable th:first-child,
.hub-banktable td:first-child {
  width: 16%;
  min-width: 96px;
  white-space: normal;
}
.hub-banktable th:first-child a,
.hub-banktable td:first-child a {
  white-space: normal;
}
.hub-banktable th:nth-child(2),
.hub-banktable td:nth-child(2) {
  width: 11%;
  min-width: 78px;
}
.hub-tablewrap:has(.hub-kpi-table) {
  overflow-x: visible;
}
.hub-kpi-table,
.hub-kpi-table thead,
.hub-kpi-table tbody {
  display: block;
  width: 100%;
  min-width: 0 !important;
}
.hub-kpi-table {
  border-collapse: separate;
  border-spacing: 0;
}
.hub-kpi-table thead {
  height: 0;
  overflow: hidden;
}
.hub-kpi-table tbody {
  display: grid;
  gap: 12px;
}
.hub-kpi-table tr {
  display: grid;
  grid-template-columns: minmax(120px, 20%) minmax(0, 1fr) minmax(0, 1fr);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-surface-2) 72%, transparent);
  overflow: hidden;
}
.hub-kpi-table th,
.hub-kpi-table td {
  border: 0;
}
.hub-kpi-table td {
  padding: 14px 16px;
}
.hub-kpi-table td:first-child {
  width: auto;
  min-width: 0;
  white-space: normal;
  color: var(--color-text);
  font-weight: 900;
  letter-spacing: 0.02em;
  background: color-mix(in srgb, var(--color-surface-3) 72%, transparent);
}
.hub-kpi-table td:nth-child(2),
.hub-kpi-table td:nth-child(3) {
  line-height: 1.65;
}
.hub-kpi-table td:nth-child(2)::before,
.hub-kpi-table td:nth-child(3)::before {
  display: block;
  margin: 0 0 6px;
  color: var(--color-muted);
  font-size: 11px;
  font-weight: 900;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}
.hub-kpi-table td:nth-child(2)::before { content: 'PFA'; }
.hub-kpi-table td:nth-child(3)::before { content: 'SRL'; }

.hub-kpi-list {
  display: grid;
  gap: 12px;
  margin: 0 0 18px;
}
.hub-kpi-row {
  display: grid;
  grid-template-columns: minmax(120px, 20%) minmax(0, 1fr) minmax(0, 1fr);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-surface-2) 72%, transparent);
  overflow: hidden;
}
.hub-kpi-row__topic,
.hub-kpi-row__cell {
  padding: 14px 16px;
}
.hub-kpi-row__topic {
  margin: 0;
  color: var(--color-text);
  font-size: 14px;
  font-weight: 900;
}
.hub-kpi-row__cell {
  line-height: 1.65;
}
.hub-kpi-row__label {
  display: none;
}
.hub-kpi-row__cell p {
  margin: 0;
}

.hub-card {
  background: var(--color-surface-2); border: 1px solid var(--color-border);
  border-radius: var(--radius-md); padding: 16px;
}
.hub-card > :last-child { margin-bottom: 0; }
.hub-card__title { margin: 0 0 8px; font-size: 16px; }
.hub-compare { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin: 0 0 16px; }

.hub-code { position: relative; margin: 0 0 16px; }
.hub-code pre {
  margin: 0; padding: 16px; overflow-x: auto;
  background: #0b1220; color: #e6edf7; border: 1px solid var(--color-border);
  border-radius: var(--radius-md); font-size: 13.5px; line-height: 1.6;
}
[data-theme='light'] .hub-code pre { background: #0f172a; color: #e6edf7; }
.hub-code code { background: none; padding: 0; }
.hub-code__copy {
  position: absolute; top: 8px; right: 8px;
  padding: 4px 10px; font-size: 12px; font-weight: 700;
  border: 1px solid var(--color-border-strong); border-radius: 6px;
  background: var(--color-surface-3); color: var(--color-text);
}

.hub-video { position: relative; margin: 0 0 16px; border-radius: var(--radius-md); overflow: hidden; }
.hub-video iframe, .hub-video video { width: 100%; aspect-ratio: 16 / 9; display: block; border: 0; }

.hub-details {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  padding: 4px 14px; margin: 0 0 16px; background: var(--color-surface-2);
}
.hub-details summary { cursor: pointer; font-weight: 700; padding: 8px 0; }
.hub-details__body { padding: 4px 0 8px; }

/* ---------- draft placeholder + child pages ---------- */
.hub-draft {
  display: flex; align-items: center; gap: 12px;
  padding: 16px 18px; margin: 0 0 20px;
  border: 1px dashed var(--color-border-strong); border-radius: var(--radius-md);
  background: var(--color-surface-2); color: var(--color-muted);
}
.hub-draft__tag {
  flex: 0 0 auto; padding: 3px 10px; border-radius: var(--radius-pill);
  background: var(--color-surface-3); color: var(--color-text);
  font-size: 11px; font-weight: 900; letter-spacing: 0.12em;
}

.hub-children { margin: 24px 0 0; }
.hub-children__title { font-size: 13px !important; font-weight: 900; letter-spacing: 0.12em;
  text-transform: uppercase; color: var(--color-muted); margin: 0 0 10px !important; }
.hub-children ul { list-style: none; margin: 0; padding: 0; display: grid; gap: 8px; }
.hub-children li { margin: 0; }
.hub-children a {
  display: flex; align-items: center; justify-content: space-between;
  padding: 12px 16px; border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface-2); color: var(--color-text);
  text-decoration: none; font-weight: 600;
}
.hub-children a:hover { border-color: var(--color-border-strong); background: var(--color-surface-3); }
.hub-children__more { color: var(--color-muted); }

/* ---------- loading / empty ---------- */
.hub-empty { color: var(--color-muted); padding: 40px 0; }

/* ---------- local-data notice ---------- */
.hub-notice {
  position: fixed; left: 50%; bottom: 16px; transform: translateX(-50%);
  z-index: 60; width: min(640px, calc(100% - 24px));
  display: flex; align-items: center; gap: 14px;
  padding: 12px 16px; border-radius: var(--radius-md);
  background: var(--color-surface-3); border: 1px solid var(--color-border-strong);
  box-shadow: var(--shadow-strong); font-size: 13.5px; color: var(--color-muted);
}
.hub-notice__body { flex: 1 1 auto; }
.hub-notice a { color: var(--color-primary-strong); }
.hub-notice button {
  flex: 0 0 auto; padding: 8px 16px; border-radius: var(--radius-pill);
  border: 0; background: var(--color-primary); color: #04130d; font-weight: 800;
}

/* ---------- mobile search panel ---------- */
.hub-searchpanel {
  position: fixed; inset: 0; z-index: 70;
  background: var(--color-bg);
  display: flex; flex-direction: column;
}
.hub-searchpanel__bar {
  position: relative; flex: 0 0 auto;
  display: flex; align-items: center; gap: 8px;
  padding: 12px; border-bottom: 1px solid var(--color-border);
}
.hub-searchpanel__icon {
  position: absolute; left: 24px; width: 18px; height: 18px; color: var(--color-muted); pointer-events: none;
}
.hub-searchpanel__bar input {
  flex: 1 1 auto; padding: 10px 14px 10px 40px;
  border: 1px solid var(--color-border); border-radius: var(--radius-pill);
  background: var(--color-surface-2); color: var(--color-text); font-size: 15px;
}
.hub-searchpanel__bar input:focus { outline: none; border-color: var(--color-border-strong); }
.hub-searchpanel__bar button {
  flex: 0 0 auto; background: none; border: 0; color: var(--color-primary-strong);
  font-weight: 700; padding: 6px 4px;
}
.hub-searchpanel__body { flex: 1 1 auto; overflow-y: auto; padding: 10px 8px 40px; }

/* ---------- lightbox ---------- */
.hub-lightbox {
  position: fixed; inset: 0; z-index: 80;
  background: rgba(2, 6, 14, 0.86);
  display: grid; place-items: center; padding: 24px;
}
.hub-lightbox img { max-width: 92vw; max-height: 88vh; border-radius: var(--radius-md); }
.hub-lightbox__close {
  position: absolute; top: 16px; right: 20px; font-size: 28px; line-height: 1;
  background: none; border: 0; color: #fff;
}

/* ---------- data sheet (editable, local) ---------- */
.hub-datasheet { margin: clamp(14px, 2vw, 20px) 0; display: grid; gap: clamp(14px, 2vw, 20px); }
.hub-ds__group {
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-surface) 60%, transparent);
  overflow: hidden;
}
.hub-ds__grouphead {
  display: flex; align-items: center; gap: 10px;
  padding: clamp(7px, 1.1vw, 10px) clamp(12px, 1.8vw, 16px);
  border-bottom: 1px solid var(--color-border);
  background: var(--color-surface-2);
}
.hub-ds__grouptitle {
  margin: 0; flex: 0 1 auto; display: flex; align-items: center; gap: 8px;
  font-size: clamp(13px, 1.4vw, 14px); font-weight: 700; color: var(--color-muted);
  letter-spacing: 0.02em; text-transform: uppercase;
}
.hub-ds__help {
  flex: 0 0 auto; display: inline-flex; align-items: center; justify-content: center;
  width: 20px; height: 20px; border-radius: 50%;
  border: 1px solid var(--color-border-strong); background: var(--color-surface);
  color: var(--color-muted); font-size: 12px; font-weight: 700; line-height: 1;
  text-decoration: none; text-transform: none; transition: color .12s, border-color .12s, background .12s;
}
.hub-ds__help:hover { color: var(--color-accent); border-color: var(--color-accent); }
/* Per-row "?" sits just before the field label. */
.hub-ds__help--row {
  width: 16px; height: 16px; font-size: 10.5px; margin-right: 7px; vertical-align: 1px;
}
.hub-ds__label .hub-ds__help--row { flex: 0 0 auto; }
.hub-ds__edit {
  flex: 0 0 auto; padding: 4px 12px; border-radius: 999px;
  border: 1px solid var(--color-border-strong); background: var(--color-surface);
  color: var(--color-text); font: inherit; font-size: 12px; font-weight: 600;
  cursor: pointer; transition: border-color .12s, color .12s, background .12s;
}
.hub-ds__edit:hover { border-color: var(--color-primary); color: var(--color-primary); }
.hub-ds__group.is-editing .hub-ds__edit {
  background: var(--color-primary); border-color: var(--color-primary); color: #fff;
}
.hub-ds__table { width: 100%; border-collapse: collapse; }
.hub-ds__row { border-bottom: 1px solid var(--color-border); }
.hub-ds__row:last-child { border-bottom: 0; }
.hub-ds__label {
  width: 42%; text-align: left; vertical-align: middle; font-weight: 600;
  color: var(--color-text); font-size: clamp(13px, 1.4vw, 14px);
  padding: clamp(8px, 1.2vw, 11px) clamp(12px, 1.8vw, 16px);
}
.hub-ds__value { padding: clamp(5px, 0.9vw, 8px) clamp(12px, 1.8vw, 16px); }
.hub-ds__input {
  width: 100%; box-sizing: border-box;
  padding: clamp(7px, 1vw, 9px) clamp(9px, 1.2vw, 11px);
  border: 1px solid var(--color-border); border-radius: 9px;
  background: var(--color-surface); color: var(--color-text);
  font: inherit; font-size: clamp(13px, 1.4vw, 14px);
}
.hub-ds__input:focus { outline: none; border-color: var(--color-border-strong); }
.hub-ds__input.is-filled { border-color: color-mix(in srgb, var(--color-accent) 30%, var(--color-border)); }
.hub-ds__input::placeholder { color: var(--color-muted); opacity: 0.5; font-style: italic; }
textarea.hub-ds__input { resize: vertical; min-height: 38px; }
/* View mode: read-only fields read as click-to-copy chips. */
.hub-ds__input[readonly] {
  background: color-mix(in srgb, var(--color-surface-2) 70%, transparent);
  border-color: transparent; cursor: default;
}
.hub-ds__input[readonly].is-filled { cursor: copy; }
.hub-ds__input.is-copied {
  border-color: color-mix(in srgb, var(--color-accent) 45%, var(--color-border));
  background: color-mix(in srgb, var(--color-accent) 12%, transparent);
}

/* Hint line under a control. */
.hub-ds__hint { display: block; margin-top: 4px; color: var(--color-muted); font-size: 12px; }

/* Toggle / Yes-No segmented control. */
.hub-ds__toggle { display: inline-flex; gap: 4px; flex-wrap: wrap; }
.hub-ds__tgbtn {
  padding: 6px 14px; border-radius: 8px; cursor: pointer;
  border: 1px solid var(--color-border-strong); background: var(--color-surface);
  color: var(--color-muted); font: inherit; font-size: clamp(13px, 1.4vw, 14px); font-weight: 600;
  transition: border-color .12s, color .12s, background .12s;
}
.hub-ds__tgbtn.is-active { background: var(--color-primary); border-color: var(--color-primary); color: #fff; }
.hub-ds__toggle[data-locked="1"] .hub-ds__tgbtn { cursor: default; }
.hub-ds__toggle[data-locked="1"] .hub-ds__tgbtn:not(.is-active) { opacity: 0.45; }

/* Dropdowns. */
.hub-ds__select {
  width: 100%; box-sizing: border-box;
  padding: clamp(7px, 1vw, 9px) clamp(9px, 1.2vw, 11px);
  border: 1px solid var(--color-border); border-radius: 9px;
  background: var(--color-surface); color: var(--color-text);
  font: inherit; font-size: clamp(13px, 1.4vw, 14px);
}
.hub-ds__select:focus { outline: none; border-color: var(--color-border-strong); }
.hub-ds__select:disabled { background: color-mix(in srgb, var(--color-surface-2) 70%, transparent); color: var(--color-text); opacity: 1; }

/* Platform account picker. */
.hub-ds__platforms { display: grid; gap: 8px; }
.hub-ds__plat { display: grid; gap: 6px; }
.hub-ds__platlabel { display: inline-flex; align-items: center; gap: 8px; cursor: pointer; font-size: clamp(13px, 1.4vw, 14px); font-weight: 600; }
.hub-ds__platlabel input { width: 16px; height: 16px; accent-color: var(--color-primary); }
.hub-ds__platinput { margin-left: 24px; width: calc(100% - 24px); }

/* Copy / status toast. */
.hub-toast {
  position: fixed; left: 50%; bottom: 28px; transform: translate(-50%, 16px);
  z-index: 1200; padding: 9px 16px; border-radius: var(--radius-pill);
  background: var(--color-surface); border: 1px solid var(--color-border-strong);
  color: var(--color-text); font-size: 13px; font-weight: 600;
  box-shadow: var(--shadow-strong); opacity: 0; pointer-events: none;
  transition: opacity .16s ease, transform .16s ease;
}
.hub-toast.is-on { opacity: 1; transform: translate(-50%, 0); }

@media (max-width: 560px) {
  .hub-ds__row { display: grid; grid-template-columns: 1fr; }
  .hub-ds__label { width: auto; padding-bottom: 2px; }
  .hub-ds__value { padding-top: 0; padding-bottom: 12px; }
}

/* ---------- figure (sized, clickable image) ---------- */
.hub-figure { margin: clamp(14px, 2vw, 20px) auto; width: var(--fig-w, 100%); max-width: 100%; }
.hub-figure img {
  display: block; width: 100%; height: auto; cursor: zoom-in;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface);
}
.hub-figure__cap {
  margin-top: 8px; font-size: clamp(12px, 1.3vw, 13px); color: var(--color-muted); text-align: center;
}
@media (max-width: 560px) { .hub-figure { width: 100% !important; } }

/* ---------- file downloads ---------- */
.hub-files { display: grid; gap: 8px; margin: clamp(12px, 1.8vw, 18px) 0; }
.hub-file {
  display: flex; align-items: center; gap: 12px; text-decoration: none;
  padding: clamp(9px, 1.3vw, 12px) clamp(11px, 1.6vw, 14px);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface-2); color: var(--color-text);
}
.hub-file:hover { border-color: var(--color-border-strong); }
.hub-file__kind {
  flex: 0 0 auto; font-size: 11px; font-weight: 800; letter-spacing: 0.04em;
  padding: 3px 7px; border-radius: 6px;
  background: color-mix(in srgb, var(--color-primary) 18%, transparent);
  color: var(--color-primary-strong);
}
.hub-file__label { flex: 1 1 auto; font-weight: 600; font-size: clamp(13px, 1.4vw, 14px); }
.hub-file__dl { flex: 0 0 auto; color: var(--color-muted); font-size: 16px; }

/* ---------- flow map (progress) ---------- */
.hub-map { list-style: none; counter-reset: mapstep; margin: clamp(16px, 2.4vw, 24px) 0; padding: 0; }
.hub-map__step { position: relative; padding: 0 0 clamp(14px, 2vw, 20px) clamp(40px, 5vw, 48px); }
.hub-map__step::before { /* vertical connector */
  content: ""; position: absolute; left: clamp(15px, 1.9vw, 18px); top: clamp(26px, 3vw, 30px);
  bottom: -2px; width: 2px; background: var(--color-border);
}
.hub-map__step:last-child::before { display: none; }
.hub-map__head { display: flex; align-items: center; gap: clamp(8px, 1.2vw, 12px); }
.hub-map__num {
  counter-increment: mapstep; position: absolute; left: 0; top: clamp(-1px, 0vw, 0px);
  width: clamp(30px, 3.8vw, 36px); height: clamp(30px, 3.8vw, 36px);
  display: grid; place-items: center; border-radius: 50%;
  border: 2px solid var(--color-border); background: var(--color-surface-2);
  color: var(--color-muted); font-weight: 800; font-size: clamp(13px, 1.5vw, 15px);
}
.hub-map__num::after { content: counter(mapstep); }
.hub-map__title { font-weight: 700; font-size: clamp(15px, 1.8vw, 17px); color: var(--color-text); }
.hub-map__title a { color: var(--color-primary-strong); text-decoration: none; }
.hub-map__title a:hover { text-decoration: underline; }
.hub-map__subs { list-style: none; margin: clamp(6px, 1vw, 9px) 0 0; padding: 0; display: grid; gap: 5px; }
.hub-map__sub { display: flex; align-items: center; gap: 9px; color: var(--color-text); font-size: clamp(13px, 1.5vw, 14px); }
.hub-map__dot { width: 7px; height: 7px; border-radius: 50%; background: var(--color-border-strong); flex: 0 0 auto; }
.hub-map__subtitle a { color: var(--color-primary-strong); text-decoration: none; }
.hub-map__subtitle a:hover { text-decoration: underline; }

/* done / next states (driven by hub.js from the local profile) */
.hub-map__step.is-done > .hub-map__head .hub-map__num {
  border-color: var(--color-success); background: var(--color-success); color: #04130d;
}
.hub-map__step.is-done > .hub-map__head .hub-map__num::after { content: "\2713"; }
.hub-map__step.is-done::before { background: color-mix(in srgb, var(--color-success) 55%, var(--color-border)); }
.hub-map__step.is-next > .hub-map__head .hub-map__num {
  border-color: var(--color-primary); color: var(--color-primary-strong);
  box-shadow: 0 0 0 4px color-mix(in srgb, var(--color-primary) 20%, transparent);
}
.hub-map__sub.is-done .hub-map__dot { background: var(--color-success); }
.hub-map__sub.is-done .hub-map__subtitle { color: var(--color-muted); }

/* ---------- mobile: menu -> content ---------- */
.hub-back { display: none; }
@media (max-width: 860px) {
  .hub-main { grid-template-columns: 1fr; }
  .hub-resizer { display: none; }
  .hub-menu-btn { display: inline-grid; }
  .hub-topsearch { display: none; }
  .hub-search-btn { display: inline-grid; }
  .hub-sidebar {
    position: fixed; inset: 56px 0 0 0; z-index: 25;
    width: 100%; border-right: 0;
    background: var(--color-bg);
    transform: translateX(-100%); transition: transform 220ms ease;
  }
  .hub-sidebar.is-open { transform: translateX(0); }
  .hub-content { padding-top: 14px; }
  .hub-back { display: inline-flex; align-items: center; gap: 6px; margin-bottom: 12px;
    background: none; border: 0; color: var(--color-primary-strong); font-weight: 700; }
  .hub-columns--even, .hub-columns--right, .hub-columns--left, .hub-compare { grid-template-columns: 1fr; }
  .hub-kpi-table tr { grid-template-columns: 1fr; }
  .hub-kpi-table td:first-child {
    border-bottom: 1px solid var(--color-border);
  }
  .hub-kpi-row { grid-template-columns: 1fr; }
  .hub-kpi-row__topic {
    border-bottom: 1px solid var(--color-border);
  }
}

/* ---------- tax calculator (PFA vs SRL) ---------- */
.hub-calc { margin: clamp(16px, 2.4vw, 24px) 0; display: grid; gap: clamp(12px, 1.8vw, 18px); }
.hub-calc__controls {
  display: flex; flex-direction: column; gap: 14px; padding: clamp(12px, 1.8vw, 18px);
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: color-mix(in srgb, var(--color-surface) 60%, transparent);
}
.hub-calc__row--top { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
.hub-calc__row--fields { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); gap: 12px; align-items: end; }
.hub-calc__field em { color: var(--color-muted); font-style: normal; font-weight: 700; }
.hub-calc__currency { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--color-muted); }
.hub-calc__eurrate { display: inline-flex; align-items: center; gap: 5px; color: var(--color-muted); font-size: 12.5px; }
.hub-calc__eurrate input {
  width: 64px; padding: 3px 6px; text-align: right;
  border: 1px solid var(--color-border); border-radius: 6px;
  background: var(--color-surface); color: var(--color-text); font: inherit; font-size: 12.5px;
}
.hub-calc__currency { display: flex; align-items: center; gap: 8px; font-size: 12.5px; color: var(--color-muted); }
.hub-calc__seg { display: inline-flex; border: 1px solid var(--color-border-strong); border-radius: var(--radius-pill); overflow: hidden; }
.hub-calc__seg--sm button { padding: 4px 12px; font-size: 12.5px; }
.hub-calc__seg button {
  border: 0; background: transparent; color: var(--color-muted);
  font: inherit; font-size: 13px; font-weight: 600; padding: 7px 14px; cursor: pointer; white-space: nowrap;
}
.hub-calc__seg button.is-active { background: var(--color-primary); color: #04130d; }
.hub-calc__field { display: grid; gap: 4px; min-width: 0; }
.hub-calc__field span { font-size: 12px; color: var(--color-muted); font-weight: 600; }
.hub-calc__field input {
  width: 100%; box-sizing: border-box; padding: 8px 10px;
  border: 1px solid var(--color-border); border-radius: 9px;
  background: var(--color-surface); color: var(--color-text); font: inherit; font-size: 14px;
}
.hub-calc__field input:focus { outline: none; border-color: var(--color-border-strong); }

.hub-calc__tabs { display: grid; grid-template-columns: repeat(3, 1fr); gap: 10px; }
.hub-calc__tab {
  display: grid; gap: 4px; justify-items: center; padding: 12px 10px; cursor: pointer;
  border: 1px solid var(--color-border); border-radius: var(--radius-md);
  background: var(--color-surface); color: var(--color-text); font: inherit;
}
.hub-calc__tab span { font-size: 12.5px; color: var(--color-muted); font-weight: 700; }
.hub-calc__tab strong { font-size: clamp(14px, 1.8vw, 17px); font-weight: 800; }
.hub-calc__tab small { display: block; font-size: 11px; color: var(--color-muted); font-weight: 600; }
.hub-calc__tab.is-active { border-color: var(--color-text); box-shadow: 0 0 0 1px var(--color-text) inset; }
.hub-calc__tab.is-winner { border-color: var(--color-primary); box-shadow: 0 0 0 1px var(--color-primary) inset; }
.hub-calc__tab.is-winner span, .hub-calc__tab.is-winner strong { color: var(--color-primary-strong); }

.hub-calc__panel {
  display: grid; grid-template-columns: minmax(0, 0.9fr) minmax(0, 1.1fr); gap: clamp(14px, 2.5vw, 28px);
  padding: clamp(14px, 2vw, 22px);
  border: 1px solid var(--color-border); border-radius: var(--radius-md); background: var(--color-surface);
}
.hub-calc__left { display: grid; gap: 8px; align-content: start; justify-items: center; text-align: center; }
.hub-calc__leftlabel { color: var(--color-muted); font-size: 13px; }
.hub-calc__big { font-size: clamp(20px, 3.2vw, 30px); font-weight: 800; letter-spacing: -0.01em; }
.hub-calc__donutwrap { display: grid; gap: 10px; justify-items: center; margin-top: 6px; }
.hub-calc__donut { width: clamp(120px, 18vw, 150px); height: auto; }
.hub-calc__ring-bg { fill: none; stroke: var(--color-surface-3); stroke-width: 14; }
.hub-calc__ring-fg { fill: none; stroke: var(--color-accent); stroke-width: 14; stroke-linecap: butt; transition: stroke-dashoffset .3s ease; }
.hub-calc__legend { display: flex; flex-direction: column; gap: 4px; font-size: 12.5px; }
.hub-calc__lg { display: inline-flex; align-items: center; gap: 7px; color: var(--color-text); }
.hub-calc__dot { width: 10px; height: 10px; border-radius: 50%; }
.hub-calc__dot--tax { background: var(--color-accent); }
.hub-calc__dot--net { background: var(--color-text); }

.hub-calc__rows { width: 100%; border-collapse: collapse; }
.hub-calc__rows tr { border-bottom: 1px solid var(--color-border); }
.hub-calc__rows tr:last-child { border-bottom: 0; }
.hub-calc__rl { padding: 9px 0; color: var(--color-muted); font-size: 13.5px; }
.hub-calc__rv { padding: 9px 0; text-align: right; font-weight: 700; font-variant-numeric: tabular-nums; }
.hub-calc__na { padding: 14px 0; color: var(--color-muted); }
.hub-calc__i {
  display: inline-grid; place-items: center; width: 15px; height: 15px; margin-left: 6px;
  border: 1px solid var(--color-border-strong); border-radius: 50%;
  font-size: 9px; font-style: normal; color: var(--color-muted); cursor: help; position: relative;
}
.hub-calc__i:hover::after {
  content: attr(data-tip); position: absolute; left: 50%; bottom: calc(100% + 8px); transform: translateX(-50%);
  width: max-content; max-width: 220px; padding: 7px 10px; border-radius: 8px;
  background: #14181f; color: #fff; font-size: 12px; line-height: 1.35; text-align: left; z-index: 5;
  box-shadow: var(--shadow-strong);
}

.hub-calc__cross {
  padding: 10px 14px; border-radius: var(--radius-md); font-size: 13.5px;
  border: 1px solid color-mix(in srgb, var(--color-accent) 35%, var(--color-border));
  background: color-mix(in srgb, var(--color-accent) 9%, transparent); color: var(--color-text);
}
.hub-calc__slider { display: grid; gap: 8px; padding: 0 2px; }
.hub-calc__sliderhead { display: flex; justify-content: space-between; font-size: 12.5px; color: var(--color-muted); font-weight: 600; }
.hub-calc__sliderhead span:last-child { color: var(--color-text); }
.hub-calc__slider input[type="range"] { width: 100%; accent-color: var(--color-accent); }
.hub-calc__slideraxis { display: flex; justify-content: space-between; font-size: 11px; color: var(--color-muted); }

.hub-calc__constants {
  border: 1px solid color-mix(in srgb, var(--color-warning) 55%, var(--color-border));
  background: color-mix(in srgb, var(--color-warning) 10%, transparent);
  border-radius: var(--radius-md); padding: 6px 14px;
}
.hub-calc__constants summary { cursor: pointer; font-weight: 700; font-size: 13.5px; padding: 6px 0; color: var(--color-warning); }
.hub-calc__cnote { color: var(--color-muted); font-size: 12.5px; margin: 4px 0 10px; }
.hub-calc__ctable { width: 100%; border-collapse: collapse; }
.hub-calc__ctable th { text-align: left; font-weight: 600; font-size: 13px; color: var(--color-text); padding: 6px 8px 6px 0; }
.hub-calc__ctable td { padding: 4px 0; width: 120px; }
.hub-calc__ctable input {
  width: 120px; box-sizing: border-box; padding: 6px 8px;
  border: 1px solid var(--color-border); border-radius: 7px;
  background: var(--color-surface); color: var(--color-text); font: inherit; font-size: 13px; text-align: right;
}
.hub-calc__reset {
  margin: 12px 0 6px; padding: 6px 14px; border-radius: var(--radius-pill); cursor: pointer;
  border: 1px solid var(--color-border-strong); background: var(--color-surface); color: var(--color-text); font: inherit; font-size: 12.5px; font-weight: 600;
}
.hub-calc__cmp { display: block; font-size: 11px; color: var(--color-muted); font-weight: 600; }

@media (max-width: 860px) {
  .hub-calc__row--fields { grid-template-columns: 1fr 1fr; }
  .hub-calc__panel { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .hub-calc__row--fields { grid-template-columns: 1fr; }
  .hub-calc__tabs { grid-template-columns: 1fr; }
}