/* ============================================================================
   base.css — reset, tipografia, layout do shell, fundo ambiente.
   ============================================================================ */

*, *::before, *::after { box-sizing: border-box; }
html, body { height: 100%; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--text-1);
  background: var(--bg-0);
  -webkit-font-smoothing: antialiased;
  text-rendering: optimizeLegibility;
  overflow-x: hidden;
}

/* Fundo ambiente: gradiente sutil + blobs de cor (estética glass/Apple) */
.ambient {
  position: fixed; inset: 0; z-index: -1; overflow: hidden;
  background:
    radial-gradient(1200px 700px at 78% -8%, rgba(106, 163, 255, 0.16), transparent 60%),
    radial-gradient(900px 600px at 8% 12%, rgba(70, 214, 168, 0.10), transparent 55%),
    radial-gradient(1000px 800px at 60% 110%, rgba(185, 155, 242, 0.10), transparent 60%),
    linear-gradient(180deg, var(--bg-0), var(--bg-1));
}
.ambient::after {
  content: ""; position: absolute; inset: 0;
  background-image: radial-gradient(rgba(255,255,255,0.022) 1px, transparent 1px);
  background-size: 3px 3px; opacity: 0.6;
}

a { color: inherit; text-decoration: none; }
button { font-family: inherit; cursor: pointer; }

/* ---- Scrollbar discreta ---- */
::-webkit-scrollbar { width: 10px; height: 10px; }
::-webkit-scrollbar-thumb { background: rgba(255,255,255,0.12); border-radius: 8px; }
::-webkit-scrollbar-thumb:hover { background: rgba(255,255,255,0.2); }

/* ============================ Shell ============================ */
.app {
  display: grid;
  grid-template-columns: var(--sidebar-w) 1fr;
  min-height: 100vh;
}

/* ---- Sidebar de vidro ---- */
.sidebar {
  position: sticky; top: 0; height: 100vh;
  display: flex; flex-direction: column;
  padding: 22px 16px;
  background: var(--glass);
  backdrop-filter: blur(var(--blur)) saturate(140%);
  -webkit-backdrop-filter: blur(var(--blur)) saturate(140%);
  border-right: 1px solid var(--border);
}
.brand { padding: 6px 10px 18px; }
.brand .mark {
  height: 58px; width: auto; max-width: 100%;
  object-fit: contain; display: block; margin-bottom: 12px;
}
.brand h1 { font-size: 15px; margin: 0; letter-spacing: 0.2px; }
.brand p { font-size: 11.5px; color: var(--text-3); margin: 3px 0 0; }

.nav { display: flex; flex-direction: column; gap: 4px; margin-top: 6px; }
.nav a {
  display: flex; align-items: center; gap: 11px;
  padding: 10px 12px; border-radius: var(--r-sm);
  color: var(--text-2); font-size: 13.5px; font-weight: 500;
  transition: background 0.15s ease, color 0.15s ease;
}
.nav a .ic { width: 18px; height: 18px; opacity: 0.85; flex: none; }
.nav a:hover { background: var(--glass-strong); color: var(--text-1); }
.nav a.active {
  background: var(--accent-soft); color: var(--text-1);
  box-shadow: inset 0 0 0 1px var(--border);
}

.sidebar-foot { margin-top: auto; padding: 12px 10px 4px; font-size: 11px; color: var(--text-3); }
.mode-pill {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 4px 9px; border-radius: 999px; font-size: 10.5px; font-weight: 600;
  background: var(--glass-strong); border: 1px solid var(--border); margin-bottom: 8px;
}
.mode-pill .dot { width: 7px; height: 7px; border-radius: 50%; background: var(--aliado); }
.mode-pill.private .dot { background: var(--stub); }

/* ---- Main ---- */
.main { min-width: 0; padding: 30px clamp(18px, 4vw, 46px) 60px; }
.view { max-width: var(--maxw); margin: 0 auto; }
.view-head { margin-bottom: 22px; }
.view-head h2 { font-size: clamp(22px, 3vw, 30px); margin: 0 0 4px; letter-spacing: -0.4px; }
.view-head p { color: var(--text-2); margin: 0; font-size: 14px; max-width: 720px; }

/* ---- Responsivo ---- */
@media (max-width: 880px) {
  .app { grid-template-columns: 1fr; }
  .sidebar {
    position: sticky; top: 0; height: auto; flex-direction: row; align-items: center;
    gap: 8px; padding: 10px 12px; border-right: none; border-bottom: 1px solid var(--border);
    overflow-x: auto;
  }
  .brand { padding: 0 8px 0 0; }
  .brand .mark, .brand p { display: none; }
  .nav { flex-direction: row; margin-top: 0; }
  .nav a span.lbl { display: none; }
  .sidebar-foot { display: none; }
  .main { padding: 20px 16px 50px; }
}

/* ---- util ---- */
.fade-in { animation: fade 0.35s ease both; }
@keyframes fade { from { opacity: 0; transform: translateY(8px); } to { opacity: 1; transform: none; } }
.center-msg { display: grid; place-items: center; min-height: 50vh; color: var(--text-3); gap: 10px; }
.spinner {
  width: 26px; height: 26px; border-radius: 50%;
  border: 2.5px solid rgba(255,255,255,0.15); border-top-color: var(--accent);
  animation: spin 0.8s linear infinite;
}
@keyframes spin { to { transform: rotate(360deg); } }