/* =========================================================
   Base + estrutura da aplicação (sidebar, rail, bottom nav)
   ========================================================= */
*, *::before, *::after { box-sizing: border-box; }
html { -webkit-text-size-adjust: 100%; text-size-adjust: 100%; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: var(--font-ui);
  font-size: var(--fs-md);
  line-height: 1.55;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
  min-height: 100dvh;
}
img, svg { display: block; max-width: 100%; }
button, input, select, textarea { font: inherit; color: inherit; }
a { color: var(--primary); text-decoration: none; }
a:hover { text-decoration: underline; text-underline-offset: 3px; }
h1, h2, h3, h4 { margin: 0; line-height: 1.2; font-weight: 700; }
p { margin: 0; }
:focus-visible { outline: 2px solid var(--border-focus); outline-offset: 2px; border-radius: 6px; }
[tabindex="-1"]:focus, [tabindex="-1"]:focus-visible { outline: none; }
[hidden] { display: none !important; }
::selection { background: var(--primary-soft); color: var(--text); }
.sr-only {
  position: absolute !important; width: 1px; height: 1px; padding: 0; margin: -1px;
  overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; border: 0;
}
.skip-link {
  position: fixed; left: 12px; top: -60px; z-index: 1000;
  background: var(--surface-2); color: var(--text); padding: 10px 14px; border-radius: var(--r-sm);
  border: 1px solid var(--border-2); transition: top var(--dur-2) var(--ease-out);
}
.skip-link:focus { top: 12px; }

.display { font-family: var(--font-display); font-weight: 600; letter-spacing: 0.005em; }
.muted { color: var(--text-2); }
.subtle { color: var(--text-3); }
.mono { font-family: var(--font-mono); font-size: 0.92em; }
.nowrap { white-space: nowrap; }

/* ---------- App shell ---------- */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100dvh;
  transition: grid-template-columns var(--dur-3) var(--ease-out);
}
.app[data-sidebar="collapsed"] { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }
.app[data-chrome="none"] { display: block; }
.app[data-chrome="none"] .sidebar,
.app[data-chrome="none"] .topbar,
.app[data-chrome="none"] .bottomnav,
.app[data-chrome="none"] .modebar { display: none; }

.main {
  min-width: 0;
  position: relative;
}
.page {
  max-width: var(--content-max);
  margin: 0 auto;
  padding: var(--sp-8) var(--sp-8) var(--sp-16);
}
.page--wide { max-width: 1680px; }
.page--flush { padding: 0; max-width: none; }

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky; top: 0;
  height: 100dvh;
  display: flex; flex-direction: column;
  background:
    radial-gradient(120% 50% at 0% 0%, rgba(158,121,188,.10), transparent 60%),
    var(--bg-2);
  border-right: 1px solid var(--border);
  padding: var(--sp-4) var(--sp-3);
  z-index: 40;
  overflow: hidden;
}
.sidebar__brand {
  display: flex; align-items: center; gap: var(--sp-3);
  padding: var(--sp-2) var(--sp-2) var(--sp-5);
  color: var(--text);
  text-decoration: none !important;
  min-height: 56px;
}
.sidebar__brand img { width: 38px; height: 38px; flex: none; }
.sidebar__wordmark {
  font-family: var(--font-display); font-size: 1.62rem; font-weight: 600; letter-spacing: .01em;
  white-space: nowrap; line-height: 1;
}
.sidebar__wordmark b { font-weight: 600; color: var(--crimson-text); }
.sidebar__section-label {
  font-size: var(--fs-xs); text-transform: uppercase; letter-spacing: .14em;
  color: var(--text-3); padding: var(--sp-3) var(--sp-3) var(--sp-2); white-space: nowrap;
}
.nav { display: flex; flex-direction: column; gap: 2px; }
.nav__item {
  position: relative;
  display: flex; align-items: center; gap: var(--sp-3);
  height: 42px; padding: 0 var(--sp-3);
  border-radius: var(--r-sm);
  color: var(--text-2);
  text-decoration: none !important;
  white-space: nowrap;
  border: 0; background: none; cursor: pointer; width: 100%; text-align: left;
  transition: background var(--dur-2), color var(--dur-2);
}
.nav__item svg { width: 20px; height: 20px; flex: none; }
.nav__item:hover { background: var(--primary-soft); color: var(--text); }
.nav__item[aria-current="page"] {
  color: var(--text);
  background: linear-gradient(90deg, var(--primary-soft), transparent 95%);
}
.nav__item[aria-current="page"]::before {
  content: ""; position: absolute; left: -12px; top: 9px; bottom: 9px; width: 3px;
  border-radius: 0 3px 3px 0;
  background: linear-gradient(180deg, var(--primary), var(--crimson));
  box-shadow: 0 0 12px var(--primary);
}
.nav__item[aria-current="page"] svg { color: var(--primary); }
.nav__badge {
  margin-left: auto; font-size: 11px; padding: 1px 7px; border-radius: var(--r-pill);
  background: var(--surface-2); color: var(--text-2);
}
.sidebar__spacer { flex: 1; }
.sidebar__footer {
  display: flex; flex-direction: column; gap: 2px;
  border-top: 1px solid var(--border); padding-top: var(--sp-3);
}
.sidebar__theme { display: flex; align-items: center; justify-content: space-between; gap: var(--sp-2); padding: var(--sp-2) var(--sp-2) var(--sp-2) var(--sp-3); }
.sidebar__collapse {
  position: absolute; right: 10px; top: 22px;
  width: 30px; height: 30px; border-radius: 8px;
  display: grid; place-items: center;
  background: transparent; border: 1px solid transparent; color: var(--text-3); cursor: pointer;
}
.sidebar__collapse:hover { color: var(--text); border-color: var(--border-2); }
.sidebar__collapse svg { width: 18px; height: 18px; }

.app[data-sidebar="collapsed"] .sidebar__wordmark,
.app[data-sidebar="collapsed"] .nav__label,
.app[data-sidebar="collapsed"] .nav__badge,
.app[data-sidebar="collapsed"] .sidebar__section-label,
.app[data-sidebar="collapsed"] .sidebar__theme-label { display: none; }
.app[data-sidebar="collapsed"] .sidebar__brand { justify-content: center; padding-left: 0; padding-right: 0; padding-top: var(--sp-10); }
.app[data-sidebar="collapsed"] .nav__item { justify-content: center; padding: 0; }
.app[data-sidebar="collapsed"] .sidebar__collapse { right: 50%; transform: translateX(50%); top: 12px; }
.app[data-sidebar="collapsed"] .sidebar__theme { justify-content: center; padding: var(--sp-2) 0; }

/* Tooltip no modo recolhido */
.app[data-sidebar="collapsed"] .nav__item:hover::after,
.app[data-sidebar="collapsed"] .nav__item:focus-visible::after {
  content: attr(data-label);
  position: fixed; left: calc(var(--sidebar-w-collapsed) + 6px);
  margin-top: 0;
  background: var(--surface-3); color: var(--text); font-size: var(--fs-sm);
  padding: 6px 10px; border-radius: 6px; box-shadow: var(--shadow-2); pointer-events: none;
  border: 1px solid var(--border-2);
}

/* ---------- Topbar (mobile) ---------- */
.topbar {
  display: none;
  position: sticky; top: 0; z-index: 45;
  height: calc(var(--topbar-h) + var(--safe-top));
  padding: var(--safe-top) var(--sp-4) 0;
  align-items: center; gap: var(--sp-3);
  background: color-mix(in srgb, var(--bg) 86%, transparent);
  backdrop-filter: blur(14px) saturate(140%);
  -webkit-backdrop-filter: blur(14px) saturate(140%);
  border-bottom: 1px solid var(--border);
}
.topbar__brand { display: flex; align-items: center; gap: 10px; color: var(--text); text-decoration: none !important; }
.topbar__brand img { width: 30px; height: 30px; }
.topbar__brand span { font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; }
.topbar__brand b { color: var(--crimson-text); font-weight: 600; }
.topbar__title { font-weight: 600; font-size: var(--fs-md); color: var(--text-2); overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.topbar__actions { margin-left: auto; display: flex; align-items: center; gap: var(--sp-2); }

/* ---------- Bottom nav (mobile) ---------- */
.bottomnav {
  display: none;
  position: fixed; left: 0; right: 0; bottom: 0; z-index: 50;
  height: calc(var(--bottomnav-h) + var(--safe-bottom));
  padding: 6px 6px calc(6px + var(--safe-bottom));
  background: color-mix(in srgb, var(--bg-2) 92%, transparent);
  backdrop-filter: blur(16px) saturate(150%);
  -webkit-backdrop-filter: blur(16px) saturate(150%);
  border-top: 1px solid var(--border);
  grid-template-columns: repeat(5, 1fr);
}
.bottomnav__item {
  display: flex; flex-direction: column; align-items: center; justify-content: center; gap: 3px;
  border-radius: 12px; color: var(--text-3); font-size: 11px; font-weight: 600;
  text-decoration: none !important; position: relative;
  min-height: 48px;
}
.bottomnav__item svg { width: 22px; height: 22px; transition: transform var(--dur-2) var(--ease-out); }
.bottomnav__item[aria-current="page"] { color: var(--text); }
.bottomnav__item[aria-current="page"] svg { color: var(--primary); transform: translateY(-1px); }
.bottomnav__item[aria-current="page"]::before {
  content: ""; position: absolute; top: -7px; width: 26px; height: 3px; border-radius: 0 0 3px 3px;
  background: linear-gradient(90deg, var(--primary), var(--crimson));
}

/* ---------- Responsividade ---------- */
/* Tablet: trilho de ícones, expande por cima */
@media (min-width: 768px) and (max-width: 1199px) {
  .app, .app[data-sidebar] { grid-template-columns: var(--sidebar-w-collapsed) minmax(0, 1fr); }
  .app:not([data-sidebar="expanded-overlay"]) .sidebar__wordmark,
  .app:not([data-sidebar="expanded-overlay"]) .nav__label,
  .app:not([data-sidebar="expanded-overlay"]) .nav__badge,
  .app:not([data-sidebar="expanded-overlay"]) .sidebar__section-label,
  .app:not([data-sidebar="expanded-overlay"]) .sidebar__theme-label { display: none; }
  .app:not([data-sidebar="expanded-overlay"]) .nav__item { justify-content: center; padding: 0; }
  .app:not([data-sidebar="expanded-overlay"]) .sidebar__brand { justify-content: center; padding: var(--sp-10) 0 var(--sp-5); }
  .app:not([data-sidebar="expanded-overlay"]) .sidebar__collapse { right: 50%; transform: translateX(50%); top: 12px; }
  .app:not([data-sidebar="expanded-overlay"]) .sidebar__theme { justify-content: center; padding: var(--sp-2) 0; }
  .app[data-sidebar="expanded-overlay"] .sidebar {
    position: fixed; left: 0; top: 0; width: var(--sidebar-w); box-shadow: var(--shadow-3);
  }
  .app[data-sidebar="expanded-overlay"]::after {
    content: ""; position: fixed; inset: 0; background: var(--overlay); z-index: 39;
  }
  .page { padding: var(--sp-6) var(--sp-6) var(--sp-12); }
}

/* Smartphone */
@media (max-width: 767px) {
  .app, .app[data-sidebar] { display: block; }
  .sidebar { display: none; }
  .topbar { display: flex; }
  .bottomnav { display: grid; }
  .app[data-chrome="none"] .bottomnav, .app[data-chrome="none"] .topbar { display: none; }
  /* rolagem até um elemento (teclado, âncoras) não o esconde atrás das barras fixas */
  html:has(.app:not([data-chrome="none"])) { scroll-padding-top: calc(var(--topbar-h) + 12px); scroll-padding-bottom: calc(var(--bottomnav-h) + var(--safe-bottom) + 12px); }
  .page { padding: var(--sp-5) var(--sp-4) var(--sp-8); }
  .app[data-chrome="none"] .page { padding-bottom: var(--sp-10); }
}

/* Container de rota com transição */
/* "backwards" (não "both"): uma animação de transform preenchida para frente vira bloco de contenção
   e prenderia elementos position:fixed (ex.: modo espectador) dentro da área da página. */
.route-enter { animation: routeIn var(--dur-3) var(--ease-out) backwards; }
@keyframes routeIn { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* Barra de status do modo de dados */
.modebar {
  display: flex; align-items: center; gap: var(--sp-2); flex-wrap: wrap;
  font-size: var(--fs-xs); color: var(--text-2);
  padding: 6px var(--sp-8);
  border-bottom: 1px solid var(--border);
  background: linear-gradient(90deg, var(--warning-soft), transparent 70%);
}
.modebar--server { background: linear-gradient(90deg, var(--success-soft), transparent 70%); }
.modebar a { font-weight: 600; }
.modebar__btn { font: inherit; font-weight: 700; color: var(--accent, #B48FE0); background: none; border: 0; padding: 0; cursor: pointer; text-decoration: underline; text-underline-offset: 2px; }
.modebar__btn:disabled { opacity: .5; cursor: wait; }
.modebar svg { width: 14px; height: 14px; }
@media (max-width: 767px) { .modebar { padding: 6px var(--sp-4); flex-wrap: nowrap; white-space: nowrap; } .modebar__long { display: none; } .modebar a, .modebar__btn { margin-left: auto; } }
@media (min-width: 768px) { .modebar__short { display: none; } }
@media (min-width: 768px) and (max-width: 1199px) { .modebar { padding: 6px var(--sp-6); } }

/* Troca de tema: dissolvência uniforme da página inteira (ver core/theme.js). O tema antigo fica
   parado e o novo surge por cima com opacidade crescente — sem cortina, sem escurecer no meio.
   As transições próprias dos elementos ficam pausadas para não competir com a dissolvência. */
html.theme-vt::view-transition-group(root) { animation-duration: .75s; }
html.theme-vt::view-transition-old(root) { animation: none; opacity: 1; }
html.theme-vt::view-transition-new(root) { mix-blend-mode: normal; animation: ddThemeFade .75s cubic-bezier(.4, 0, .2, 1) both; }
@keyframes ddThemeFade { from { opacity: 0; } to { opacity: 1; } }
html.theme-vt *, html.theme-vt *::before, html.theme-vt *::after { transition: none !important; }
html.theme-fade, html.theme-fade *, html.theme-fade *::before, html.theme-fade *::after {
  transition: background-color .7s ease, color .7s ease, border-color .7s ease, fill .7s ease, stroke .7s ease, box-shadow .7s ease !important;
}

/* ---------- Rodapé (assinatura Or7 + avisos de marca) ---------- */
.site-footer { border-top: 1px solid var(--border); padding: var(--sp-6) var(--sp-8) calc(var(--sp-6) + var(--safe-bottom)); color: var(--text-3); }
.site-footer__inner { max-width: var(--content-max); margin: 0 auto; display: flex; align-items: center; gap: var(--sp-6) var(--sp-8); flex-wrap: wrap; }
.site-footer__sig { flex: none; }
.site-footer__mark { display: block; width: 210px; height: auto; opacity: .85; }
.site-footer__mark--light { display: none; }
:root[data-theme="light"] .site-footer__mark--dark { display: none; }
:root[data-theme="light"] .site-footer__mark--light { display: block; }
.site-footer__legal { flex: 1 1 320px; min-width: 0; display: grid; gap: 4px; font-size: var(--fs-xs); line-height: 1.5; max-width: 90ch; }
.site-footer__legal a { color: var(--text-2); }
.app[data-chrome="none"] .site-footer--app { display: none; }
.site-footer--welcome { border-top: 0; padding: 0; }
.site-footer--welcome { margin-top: auto; }
.site-footer--welcome .site-footer__inner { flex-direction: column; text-align: center; gap: var(--sp-2); }
.site-footer--welcome .site-footer__mark { width: 150px; }
.site-footer--welcome .site-footer__legal { flex: none; max-width: 56ch; font-size: .6875rem; }
.site-footer--landing { padding-inline: clamp(16px, 4vw, 56px); }
@media (max-width: 767px) {
  .site-footer { padding-inline: var(--sp-4); }
  .site-footer__mark { width: 170px; }
  /* fica acima da barra de navegação inferior */
  .site-footer--app { padding-bottom: calc(var(--bottomnav-h) + var(--safe-bottom) + var(--sp-5)); }
}