/* App shell: sidebar + top bar on large screens, top bar + bottom tabs on phones. */

.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) minmax(0, 1fr);
  min-height: 100vh;
  min-height: 100dvh;
}

/* ---------- Sidebar ---------- */
.sidebar {
  position: sticky; top: 0; height: 100vh; height: 100dvh; overflow-y: auto;
  background: var(--c-sidebar); border-right: 1px solid var(--border);
  padding: var(--s-5) var(--s-4); display: flex; flex-direction: column;
}
.brand { display: flex; align-items: center; gap: var(--s-3); padding: 0 var(--s-2) var(--s-5); border-bottom: 1px solid var(--border); }
.monogram {
  width: 44px; height: 44px; border-radius: 50%; border: 1px solid var(--c-gold);
  display: grid; place-items: center; font-family: var(--font-display); font-size: 16px; color: var(--c-gold-text); flex-shrink: 0;
}
.brand-name { font-family: var(--font-display); font-size: 20px; font-weight: 600; line-height: 22px; }
.nav-group { font-size: 10px; font-weight: 700; letter-spacing: 0.16em; color: var(--c-grey-soft); padding: var(--s-4) var(--s-3) 6px; }
.nav-link {
  display: flex; align-items: center; gap: var(--s-3); min-height: 40px; padding: 0 var(--s-3);
  border-radius: var(--r-button); color: var(--text); text-decoration: none; font-size: 14px;
}
.nav-link:hover { background: var(--c-beige); color: var(--text); }
.nav-link[aria-current='page'] { background: var(--accent-soft); color: var(--c-aubergine); font-weight: 700; }
.nav-link .soon { margin-left: auto; font-size: 10px; font-weight: 700; color: var(--c-grey-soft); letter-spacing: 0.06em; }
.sidebar-foot { margin-top: auto; padding-top: var(--s-4); display: flex; flex-direction: column; gap: var(--s-2); }

/* ---------- Main column ---------- */
.main-col { display: flex; flex-direction: column; min-width: 0; }
.topbar {
  position: sticky; top: 0; z-index: 20; height: var(--topbar-h);
  display: flex; align-items: center; justify-content: space-between; gap: var(--s-4);
  padding: 0 var(--s-6); background: color-mix(in srgb, var(--bg) 92%, transparent);
  backdrop-filter: blur(6px); border-bottom: 1px solid var(--border);
}
.topbar-mobile-title { display: none; }
.content { padding: var(--s-6) var(--s-6) var(--s-8); max-width: 1320px; width: 100%; margin: 0 auto; }
.page-head { display: flex; justify-content: space-between; align-items: flex-end; gap: var(--s-4); flex-wrap: wrap; margin-bottom: var(--s-5); }

.bottom-nav { display: none; }
.topbar .menu-btn { display: none; }

/* ---------- Grids ---------- */
.grid { display: grid; gap: var(--s-5); }
.grid-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid-5-7 { grid-template-columns: 5fr 7fr; }
.stack { display: flex; flex-direction: column; gap: var(--s-4); }
.row { display: flex; align-items: center; gap: var(--s-3); flex-wrap: wrap; }
.spread { display: flex; justify-content: space-between; align-items: baseline; gap: var(--s-3); }

/* ---------- Laptop / tablet landscape: icon rail ---------- */
@media (max-width: 1199px) {
  .app { grid-template-columns: var(--rail-w) minmax(0, 1fr); }
  .sidebar { padding: var(--s-4) var(--s-2); align-items: center; }
  .sidebar .brand { padding: 0 0 var(--s-4); border: 0; }
  .sidebar .brand-text, .sidebar .nav-group, .sidebar .nav-label, .sidebar .soon, .sidebar .sidebar-foot .backup-mini { display: none; }
  .nav-link { width: 48px; justify-content: center; padding: 0; }
  .grid-4 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
  .content { padding: var(--s-5); }
  .topbar { padding: 0 var(--s-5); }
}

/* ---------- Tablet portrait and phone: slide-in menu + bottom tabs ---------- */
@media (max-width: 899px) {
  .app { grid-template-columns: minmax(0, 1fr); }
  .sidebar {
    position: fixed; inset: 0 auto 0 0; z-index: 60; width: min(300px, 86vw); align-items: stretch;
    padding: var(--s-5) var(--s-4); transform: translateX(-102%); transition: transform var(--t-fast);
    box-shadow: var(--e2);
  }
  .sidebar .brand-text, .sidebar .nav-group, .sidebar .nav-label, .sidebar .soon, .sidebar .sidebar-foot .backup-mini { display: revert; }
  .sidebar .brand { padding: 0 var(--s-2) var(--s-5); border-bottom: 1px solid var(--border); }
  .nav-link { width: auto; justify-content: flex-start; padding: 0 var(--s-3); }
  .app.menu-open .sidebar { transform: none; }
  .scrim { position: fixed; inset: 0; z-index: 55; background: rgba(20, 19, 22, 0.4); }
  .topbar .menu-btn { display: inline-grid; }
  .topbar { height: 60px; padding: 0 var(--s-2); }
  .topbar .search, .topbar .actor, .topbar .add-desktop { display: none; }
  .topbar-mobile-title { display: block; font-family: var(--font-display); font-size: 20px; font-weight: 600; }
  .content { padding: var(--s-4) var(--s-4) calc(var(--bottomnav-h) + var(--s-6)); }
  .grid-2, .grid-3, .grid-5-7 { grid-template-columns: minmax(0, 1fr); }
  .grid { gap: var(--s-3); }

  .bottom-nav {
    position: fixed; left: 0; right: 0; bottom: 0; z-index: 40; display: grid;
    grid-template-columns: repeat(5, minmax(0, 1fr)); align-items: center;
    height: calc(var(--bottomnav-h) + env(safe-area-inset-bottom)); padding: 4px 8px env(safe-area-inset-bottom);
    background: var(--surface); border-top: 1px solid var(--border);
  }
  .bottom-nav a, .bottom-nav button {
    display: flex; flex-direction: column; align-items: center; gap: 2px; min-height: var(--tap);
    font-size: 11px; font-weight: 600; color: var(--text-2); text-decoration: none; background: none; border: 0; padding: 0;
  }
  .bottom-nav [aria-current='page'] { color: var(--accent); }
  .bottom-nav .fab {
    justify-self: center; width: 56px; height: 56px; border-radius: 50%; background: var(--accent); color: #fff;
    margin-top: -20px; box-shadow: 0 6px 16px rgba(91, 58, 110, 0.35); justify-content: center;
  }
}