:root {
  --color-primary-blue: #172a74;
  --color-primary-teal: #21a9af;
  --color-primary-gradient: linear-gradient(135deg, #172a74, #21a9af);
  --color-bg: #f0f2f5;
  --color-surface: #ffffff;
  --color-border: #e4e6eb;
  --color-text-dark: #1c1e21;
  --color-text: #65676b;
  --color-text-light: #8a8d91;
  --radius-lg: 16px;
  --radius-md: 8px;
}

body.social-hub-shell {
  font-family: "Inter", system-ui, -apple-system, sans-serif;
  background: var(--color-bg);
  color: var(--color-text-dark);
}

.social-container { max-width: 1400px; margin: 0 auto; padding: 0 16px; }

.social-widget {
  background: var(--color-surface);
  border-radius: var(--radius-lg);
  box-shadow: 0 1px 2px rgba(0,0,0,0.1);
  padding: 20px;
  margin-bottom: 20px;
  border: 1px solid var(--color-border);
}

.nav-item-social {
  display: flex; align-items: center; gap: 10px; padding: 12px 15px;
  border-radius: var(--radius-md); color: var(--color-text-dark); font-weight: 600;
  text-decoration: none; transition: 0.2s; margin-bottom: 5px;
}
.nav-item-social:hover, .nav-item-social.active {
  background: #e4e6eb; text-decoration: none; color: var(--color-primary-blue);
}
.nav-item-social i { width: 30px; font-size: 1.2rem; color: var(--color-primary-teal); }

.page-header {
  background: var(--color-primary-gradient);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 24px;
  margin-bottom: 20px;
  box-shadow: 0 4px 14px rgba(23,42,116,.18);
}

.sh-btn {
  border-radius: 999px; border: 1px solid var(--color-border);
  background: #fff; color: var(--color-text-dark);
  padding: 8px 14px; font-size: .84rem; font-weight: 700;
}
.sh-btn.primary {
  background: var(--color-primary-gradient);
  border-color: transparent; color: #fff;
}

.sh-input, .sh-select, .sh-textarea {
  width: 100%;
  border: 1px solid #cbd5e1;
  background: #fff;
  color: var(--color-text-dark) !important;
  border-radius: var(--radius-md);
  padding: 10px 12px;
  margin-bottom: 10px;
}
.sh-textarea { min-height: 110px; resize: vertical; }
.sh-label { font-size: .85rem; font-weight: 700; color: var(--color-text-dark); margin-bottom: 5px; display: block; }
.sh-title { font-size: 1.05rem; font-weight: 800; margin: 0 0 12px; color: var(--color-text-dark); }
.sh-note { font-size: .78rem; color: var(--color-text-light); }
.sh-empty { text-align: center; padding: 28px 16px; color: var(--color-text-light); }
.sh-empty i { font-size: 1.6rem; margin-bottom: 8px; color: var(--color-primary-teal); display: block; }

@media (max-width: 991px) { .sidebar-left { display: none; } }