.app-header {
  position: sticky; top: 0; z-index: 5;
  background: rgba(17,24,39,.66);
  backdrop-filter: blur(6px);
  display: flex; align-items: center; justify-content: space-between;
  padding: 10px 16px; border-bottom: 1px solid rgba(255,255,255,.08);
}
.brand { display: flex; align-items: center; gap: 10px; }
.brand-logo { height: 28px; width: auto; filter: drop-shadow(0 2px 8px rgba(0,0,0,.5)); }
.brand-name { font-weight: 700; letter-spacing: .5px; }

.menu-toggle { background: none; border: 1px solid rgba(255,255,255,.2); color: var(--text); border-radius: 8px; padding: 6px 10px; }
.userbox { color: var(--muted); font-size: 14px; }

.app-shell { display: grid; grid-template-columns: 260px 1fr; min-height: calc(100vh - 60px); }
/* Sidebar */
.sidebar {
  background: rgba(31,41,55,.5);
  backdrop-filter: blur(8px);
  border-right: 1px solid rgba(255,255,255,.06);
  padding: 14px;
  position: relative;      /* penting: jadikan positioned element */
  z-index: 6;              /* pastikan di atas overlay (overlay z-index: 4) */
}
.sidebar nav a {
  display: block; padding: 10px 12px; border-radius: 8px; color: var(--text);
  margin-bottom: 6px; transition: background .2s;
}
.sidebar nav a:hover { background: rgba(255,255,255,.08); }

.content { padding: 18px; }

.auth-container {
  min-height: 100vh; display: grid; place-items: start center; padding: 40px 20px;
}

/* Hero pada halaman login */
.login-hero {
  text-align: center;
  margin: 10px 0 16px;
}
.login-logo {
  width: 128px;
  height: 128px;
  display: block;
  margin: 0 auto 12px;
  object-fit: contain;
}
.login-title {
  font-size: clamp(22px, 3.2vw, 28px);
  font-weight: 800;
  letter-spacing: .3px;
  margin: 0 0 4px 0;
}
.login-subtitle {
  color: var(--muted);
  font-size: 13px;
  margin: 0 0 10px 0;
}

/* Panel box login */
.login-panel {
  width: 100%;
  max-width: 520px;
  padding: 0; /* header terpisah, isi form tetap padded via components.css */
  overflow: hidden; /* agar radius header rapi */
  margin: 0 auto;   /* rata tengah */
}
.auth-card { width: 100%; max-width: 420px; }

/* Logo login: fix 128x128 dan rata tengah */
.login-logo {
  width: 128px;
  height: 128px;
  display: block;
  margin: 0 auto 12px;
  object-fit: contain;
}

// Kecilkan font nama aplikasi pada halaman login (ketika tidak ada logo)
.auth-card h1 {
  font-size: clamp(18px, 2.6vw, 22px);
  font-weight: 600;
  text-align: center;
  margin: 0 0 12px 0;
}
.grid { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); }
.grid-2 { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); }
.grid-3 { display: grid; gap: 12px; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); }

.sidebar-overlay {
  position: fixed; left: 0; right: 0; top: 60px; bottom: 0;
  background: rgba(0,0,0,.35);
  display: none; z-index: 4;
}
body.sidebar-open .sidebar-overlay { display: block; }

@media (max-width: 900px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar { position: fixed; left: -300px; top: 60px; bottom: 0; width: 260px; transition: left .2s; z-index: 6; }
  .sidebar.open { left: 0; }

  /* Opsional: buat overlay tidak menutupi area sidebar */
  body.sidebar-open .sidebar-overlay { left: 260px; }
}