[data-theme="premium"] {
    --bg: #e0e7ff; --bg-section: #c7d2fe; --card-bg: #eef2ff; --card-border: rgba(79, 70, 229, 0.28);
    --navbar-bg: linear-gradient(135deg, #a5b4fc 0%, #818cf8 45%, #c7d2fe 100%);
    --navbar-bg-solid: #a5b4fc;
    --navbar-border: rgba(79, 70, 229, 0.35);
    --navbar-shadow: 0 4px 32px rgba(79, 70, 229, 0.2);
    --primary: #4f46e5; --primary-hover: #4338ca;
    --hero-gradient: linear-gradient(145deg, #e0e7ff 0%, #c7d2fe 50%, rgba(79, 70, 229, 0.1) 100%);
    --promo-bg: linear-gradient(95deg, rgba(79, 70, 229, 0.18), rgba(99, 102, 241, 0.12));
    --dropdown-item-hover: rgba(79, 70, 229, 0.14); --dropdown-item-active: rgba(79, 70, 229, 0.22);
    --float-nav-bg: #818cf8; --float-nav-border: rgba(79, 70, 229, 0.45); --float-nav-text: #312e81; --float-nav-text-muted: #4338ca;
    --float-nav-hover-bg: rgba(79, 70, 229, 0.25); --float-nav-active-bg: rgba(79, 70, 229, 0.35); --float-nav-active-border: #4f46e5;
    --float-nav-shadow: 4px 0 32px rgba(79, 70, 229, 0.22); --card-shadow: 0 6px 24px rgba(79, 70, 229, 0.12); --card-shadow-hover: 0 20px 48px rgba(79, 70, 229, 0.18);
}