/* ==========================================================================
   SHARED CARD BASE COMPONENT
   Minimal reusable card class. Page-specific cards extend this base via
   additional classes or CSS custom property overrides for --card-bg and
   --card-border.
   ========================================================================== */

.card-base {
    border-radius: 12px;
    padding: 1.5rem;
    background: var(--card-bg, rgba(255, 255, 255, 0.9));
    border: 1px solid var(--card-border, rgba(0, 0, 0, 0.1));
    box-shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
    transition: transform 0.2s ease, box-shadow 0.2s ease;
}

.card-base:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 25px -5px rgba(0, 0, 0, 0.15);
}