/* ==========================================================================
   Layout — mobile (320–767) · tablet (768–1199) · desktop (1200+)
   ========================================================================== */
.app { min-height: 100dvh; }

.shell { display: grid; grid-template-columns: 1fr; height: 100dvh; }

.main {
  display: flex; flex-direction: column;
  min-width: 0; height: 100dvh; overflow: hidden;
}

.view {
  flex: 1 1 auto; min-height: 0;
  overflow-y: auto; overflow-x: hidden;
  -webkit-overflow-scrolling: touch;
}
.view--fill { overflow: hidden; }

.view__inner {
  width: 100%; max-width: var(--content-max); margin: 0 auto;
  padding: var(--s4) var(--s4) var(--s8);
  display: flex; flex-direction: column; gap: var(--s5);
}

/* --- Barra superior ---------------------------------------------------- */
.topbar {
  flex: 0 0 auto;
  display: flex; align-items: center; gap: var(--s3);
  height: calc(var(--header-h) + var(--safe-t));
  padding: var(--safe-t) var(--s4) 0;
  background: var(--bg);
  border-bottom: 1px solid var(--line);
  position: relative; z-index: 20;
}
.topbar__brand { display: flex; align-items: center; gap: var(--s3); min-width: 0; }
.topbar__title {
  font-family: var(--font-sign); font-size: var(--fs-17); font-weight: 600;
  line-height: 1.1; letter-spacing: -0.005em;
}
.topbar__sub {
  font-family: var(--font-text); font-size: var(--fs-12); color: var(--text-3);
}
.topbar__actions { margin-left: auto; display: flex; align-items: center; gap: var(--s1); }

/* Marca: montanha em placa */
.brandmark {
  width: 32px; height: 32px; flex: 0 0 auto;
  border-radius: var(--r-plate);
  background: var(--forest); color: var(--brass-2);
  display: grid; place-items: center;
}
.brandmark svg { width: 19px; height: 19px; }

/* --- Navegação inferior (só mobile) ----------------------------------- */
.bottomnav {
  flex: 0 0 auto;
  display: grid; grid-template-columns: repeat(5, 1fr);
  padding-bottom: var(--safe-b);
  background: var(--surface);
  border-top: 1px solid var(--line);
  z-index: 30;
}
.bottomnav__item {
  display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: 3px; min-height: var(--bottomnav-h); padding: 6px 2px;
  color: var(--text-3); text-decoration: none;
  font-family: var(--font-sign); font-size: var(--fs-12); font-weight: 600;
  border-top: 2px solid transparent;
  transition: color var(--t1) var(--ease), border-color var(--t1) var(--ease);
  -webkit-tap-highlight-color: transparent;
}
.bottomnav__item svg { width: 21px; height: 21px; }
.bottomnav__item[aria-current="page"] { color: var(--forest); border-top-color: var(--forest); }

/* --- Rail (tablet) / sidebar (desktop) -------------------------------- */
.sidebar { display: none; }

@media (min-width: 768px) {
  .shell { grid-template-columns: var(--rail-w) 1fr; }
  .bottomnav { display: none; }

  .sidebar {
    display: flex; flex-direction: column;
    height: 100dvh; overflow-y: auto; overflow-x: hidden;
    padding: calc(var(--s4) + var(--safe-t)) var(--s2) var(--s4);
    gap: var(--s5);
    background: var(--forest);
    color: var(--forest-4);
    border-right: 1px solid var(--ink);
  }
  .sidebar__brand { display: grid; place-items: center; gap: var(--s2); }
  .sidebar__brand .brandmark { background: rgba(255,255,255,.1); color: var(--brass-2); }
  .sidebar__brand .topbar__title,
  .sidebar__brand .topbar__sub,
  .sidebar__meta,
  .sidebar__group { display: none; }

  .sidebar__nav { display: flex; flex-direction: column; gap: 2px; }
  .navitem {
    display: flex; flex-direction: column; align-items: center; gap: 4px;
    padding: 9px 4px; border-radius: var(--r-plate);
    color: var(--forest-4); text-decoration: none;
    font-family: var(--font-sign); font-size: var(--fs-12); font-weight: 600;
    text-align: center;
    transition: background var(--t1) var(--ease), color var(--t1) var(--ease);
  }
  .navitem svg { width: 20px; height: 20px; }
  .navitem:hover { background: rgba(255,255,255,.08); color: #fff; }
  .navitem[aria-current="page"] { background: rgba(255,255,255,.14); color: #fff; }
  .navitem__long { display: none; }
  .navitem__short { display: inline; }
  .sidebar__foot { margin-top: auto; }

  .topbar { padding-left: var(--s5); padding-right: var(--s5); }
  .view__inner { padding: var(--s5) var(--s5) var(--s8); gap: var(--s6); }
}

@media (min-width: 1200px) {
  .shell { grid-template-columns: var(--sidebar-w) 1fr; }
  .sidebar { padding: calc(var(--s5) + var(--safe-t)) var(--s4) var(--s5); }
  .sidebar__brand { grid-auto-flow: column; justify-content: start; align-items: center; }
  .sidebar__brand .topbar__title { display: block; color: #fff; }
  .sidebar__brand .topbar__sub { display: block; color: var(--forest-4); }
  .sidebar__meta { display: block; }
  .sidebar__group {
    display: block; padding: 0 var(--s2) var(--s1);
    font-family: var(--font-text); font-size: var(--fs-12); color: var(--forest-3);
  }
  .navitem {
    flex-direction: row; align-items: center; gap: var(--s3);
    padding: 9px var(--s3); font-size: var(--fs-15); text-align: left;
  }
  .navitem__long { display: inline; }
  .navitem__short { display: none; }
  .view__inner { padding: var(--s6) var(--s7) var(--s9); }
}

/* --- Grades ------------------------------------------------------------
   Base primeiro, media queries depois: na mesma especificidade quem vem
   por último ganha, e um valor solto embaixo cancelaria o breakpoint.   */
.grid-3 { display: grid; grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-2 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-6 { display: grid; grid-template-columns: repeat(2, minmax(0, 1fr)); }
@media (min-width: 560px) { .grid-6 { grid-template-columns: repeat(3, minmax(0, 1fr)); } }
@media (min-width: 1200px) { .grid-6 { grid-template-columns: repeat(6, minmax(0, 1fr)); } }

/* Conteúdo + painel.
   Trilha sempre minmax(0, 1fr): com `1fr` puro o mínimo automático é
   min-content, e um filho com texto sem quebra empurra a coluna além da
   largura da tela. */
.split { display: grid; gap: var(--s5); grid-template-columns: minmax(0, 1fr); }
.split > * { min-width: 0; }
@media (min-width: 768px) {
  .split { grid-template-columns: minmax(0, 1.55fr) minmax(238px, 1fr); align-items: start; }
  .split__aside { position: sticky; top: var(--s2); display: flex; flex-direction: column; gap: var(--s4); }
}
@media (min-width: 1200px) {
  .split { grid-template-columns: minmax(0, 1fr) minmax(330px, .62fr); gap: var(--s6); }
}

.cols2 { display: grid; gap: var(--s4); grid-template-columns: minmax(0, 1fr); }
.cols2 > * { min-width: 0; }
@media (min-width: 700px) { .cols2 { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Duas colunas no máximo: dentro do split, três ficariam estreitas */
.cards { display: grid; gap: var(--s3); grid-template-columns: minmax(0, 1fr); }
.cards > * { min-width: 0; }
@media (min-width: 620px) { .cards { grid-template-columns: repeat(2, minmax(0, 1fr)); } }

/* Visibilidade por faixa — nunca sobrescreve o display do elemento */
@media (min-width: 768px) { .only-mobile { display: none !important; } }
@media (max-width: 767px) { .from-tablet { display: none !important; } }