/* Layout */

/* Public navbar */
.nav-public {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(11, 13, 18, 0.7);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--border);
}
.theme-light .nav-public { background: rgba(246, 247, 251, 0.8); }

.nav-public .inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 0;
}
.nav-public .brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.05rem;
  color: var(--text);
  letter-spacing: -0.01em;
}
.nav-public .brand .logo-mark {
  width: 32px; height: 32px;
  border-radius: 9px;
  background: linear-gradient(135deg, var(--accent), var(--accent-2));
  display: grid; place-items: center;
  color: #fff;
  font-weight: 900;
  font-size: 14px;
  box-shadow: 0 8px 24px -6px rgba(99,102,241,.55);
}
.nav-public .links { display: flex; gap: 6px; align-items: center; }
.nav-public .links a { color: var(--text-muted); padding: 8px 14px; border-radius: 10px; font-weight: 500; font-size: 14px; transition: all var(--transition); }
.nav-public .links a:hover { color: var(--text); background: var(--surface); }

.nav-toggle { display: none; background: transparent; border: 1px solid var(--border); color: var(--text); padding: 8px 12px; border-radius: 10px; cursor: pointer; }

@media (max-width: 820px) {
  .nav-public .links { display: none; position: absolute; top: 100%; left: 0; right: 0; flex-direction: column; background: var(--bg-elev); border-top: 1px solid var(--border); padding: 12px; }
  .nav-public.is-open .links { display: flex; }
  .nav-toggle { display: inline-flex; }
}

/* Public footer */
footer.public {
  margin-top: 80px;
  border-top: 1px solid var(--border);
  padding: 40px 0;
  color: var(--text-muted);
  font-size: 13px;
}
footer.public .inner { display: flex; justify-content: space-between; flex-wrap: wrap; gap: 20px; }

/* Dashboard layout */
.app-shell {
  display: grid;
  grid-template-columns: 260px 1fr;
  min-height: 100vh;
}
.sidebar {
  background: var(--bg-elev);
  border-right: 1px solid var(--border);
  padding: 20px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
  overflow-y: auto;
}
.sidebar .brand { display: flex; align-items: center; gap: 10px; padding: 8px 10px; margin-bottom: 22px; font-weight: 800; color: var(--text); }
.sidebar nav { display: flex; flex-direction: column; gap: 2px; }
.sidebar nav .group { font-size: 11px; text-transform: uppercase; letter-spacing: .08em; color: var(--text-dim); padding: 14px 12px 6px; }
.sidebar nav a {
  display: flex; align-items: center; gap: 10px;
  padding: 9px 12px; border-radius: 10px;
  color: var(--text-muted); font-size: 14px; font-weight: 500;
  transition: all var(--transition);
}
.sidebar nav a:hover { color: var(--text); background: var(--surface); }
.sidebar nav a.is-active { color: var(--text); background: var(--accent-soft); }
.sidebar nav a.is-active::before { content: ''; width: 3px; height: 18px; background: var(--accent); border-radius: 2px; margin-right: 4px; }

.main-area { display: flex; flex-direction: column; min-width: 0; }

.topbar {
  position: sticky;
  top: 0;
  z-index: 20;
  background: rgba(11, 13, 18, 0.7);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  padding: 14px 28px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.theme-light .topbar { background: rgba(246, 247, 251, 0.8); }
.topbar .title { font-weight: 700; font-size: 1.1rem; }
.topbar .actions { display: flex; gap: 10px; align-items: center; }

.content { padding: 28px; flex: 1; }

@media (max-width: 980px) {
  .app-shell { grid-template-columns: 1fr; }
  .sidebar {
    position: fixed; inset: 0 auto 0 0; width: 260px;
    transform: translateX(-100%); transition: transform var(--transition);
    z-index: 60; box-shadow: var(--shadow-lg);
  }
  .sidebar.is-open { transform: none; }
  .topbar { padding: 12px 18px; }
  .content { padding: 18px; }
}

/* Grid utilities */
.grid { display: grid; gap: 18px; }
.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)); }
@media (max-width: 1100px) { .grid-4 { grid-template-columns: repeat(2, 1fr); } .grid-3 { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 680px)  { .grid-4, .grid-3, .grid-2 { grid-template-columns: 1fr; } }

.stack { display: flex; flex-direction: column; gap: 18px; }
.row { display: flex; align-items: center; gap: 14px; flex-wrap: wrap; }
.spacer { flex: 1; }