/* SportsFun HK — Navigation */

/* ─── Top Nav (mobile) ────────────────────────────────────────── */
.top-nav {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--nav-h); background: var(--surface);
  border-bottom: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-between;
  padding: 0 16px; z-index: 200;
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
}
.top-nav .logo {
  display: flex; align-items: center; gap: 10px;
  font-weight: 900; font-size: 1.1rem; color: var(--primary);
}
.top-nav .logo-icon {
  width: 36px; height: 36px; background: var(--primary);
  border-radius: var(--radius); display: flex; align-items: center;
  justify-content: center; font-size: 1.2rem;
}
.nav-actions { display: flex; align-items: center; gap: 8px; }

/* ─── Bottom Navigation (mobile) ─────────────────────────────── */
.bottom-nav {
  position: fixed; bottom: 0; left: 0; right: 0;
  height: var(--bottom-nav-h); background: var(--surface);
  border-top: 1px solid var(--border);
  display: flex; align-items: center; justify-content: space-around;
  z-index: 200; padding: 0 8px;
  padding-bottom: env(safe-area-inset-bottom, 0px);
}
.bottom-nav .nav-item {
  flex: 1; display: flex; flex-direction: column;
  align-items: center; gap: 4px; padding: 8px 4px;
  color: var(--text-3); font-size: .65rem; font-weight: 600;
  border-radius: var(--radius); cursor: pointer;
  transition: all var(--transition); position: relative;
}
.bottom-nav .nav-item.active { color: var(--primary); }
.bottom-nav .nav-item .nav-icon {
  font-size: 1.3rem; transition: transform var(--transition);
}
.bottom-nav .nav-item.active .nav-icon { transform: scale(1.15); }
.bottom-nav .nav-item .nav-dot {
  position: absolute; top: 6px; right: calc(50% - 18px);
  width: 8px; height: 8px; background: var(--error);
  border-radius: 50%; border: 2px solid var(--surface);
}
/* Active pill effect */
.bottom-nav .nav-item.active::before {
  content: ''; position: absolute; top: 4px;
  width: 24px; height: 3px; background: var(--primary);
  border-radius: 2px; top: 0;
}

/* ─── Sidebar (desktop) ───────────────────────────────────────── */
.sidebar {
  position: fixed; left: 0; top: 0; bottom: 0;
  width: var(--sidebar-w); background: var(--surface);
  border-right: 1px solid var(--border);
  display: flex; flex-direction: column;
  z-index: 200; overflow-y: auto;
}
.sidebar-logo {
  padding: 20px 20px 16px;
  border-bottom: 1px solid var(--border);
}
.sidebar-logo .logo-text {
  font-size: 1.2rem; font-weight: 900; color: var(--primary);
}
.sidebar-logo .logo-sub {
  font-size: .75rem; color: var(--text-3); margin-top: 2px;
}
.sidebar-user {
  padding: 16px 20px; border-bottom: 1px solid var(--border);
  display: flex; align-items: center; gap: 12px;
}
.sidebar-user-info { min-width: 0; }
.sidebar-user-name { font-weight: 700; font-size: .9rem; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.sidebar-user-role { font-size: .72rem; color: var(--text-3); }

.sidebar-nav { flex: 1; padding: 12px 12px; display: flex; flex-direction: column; gap: 2px; }
.sidebar-section { font-size: .68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: .08em; color: var(--text-4); padding: 10px 10px 6px; }
.sidebar-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 12px; border-radius: var(--radius);
  color: var(--text-2); font-weight: 600; font-size: .88rem;
  cursor: pointer; transition: all var(--transition);
}
.sidebar-item:hover { background: var(--surface-2); color: var(--text-1); }
.sidebar-item.active {
  background: var(--primary-glow); color: var(--primary);
}
.sidebar-item .item-icon { font-size: 1.1rem; flex-shrink: 0; }
.sidebar-item .item-badge {
  margin-left: auto; background: var(--error); color: #fff;
  padding: 1px 7px; border-radius: var(--radius-full); font-size: .7rem;
}

.sidebar-footer {
  padding: 12px 12px; border-top: 1px solid var(--border);
  display: flex; flex-direction: column; gap: 4px;
}

/* ─── Mobile/Desktop toggle ───────────────────────────────────── */
@media (max-width: 767px) {
  .sidebar { display: none; }
  .top-nav { display: flex; }
  .main-content { padding-top: var(--nav-h); padding-bottom: var(--bottom-nav-h); }
}
@media (min-width: 768px) {
  .bottom-nav { display: none; }
  .top-nav { left: var(--sidebar-w); }
}