/* ======================================================
   CARDS - Sistema de tarjetas reutilizable
   ====================================================== */

/* -------- CARD BASE -------- */

.card {
    background: var(--bg-card);
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    box-shadow: var(--shadow-sm);
    overflow: hidden;
    transition: var(--transition-fast);
}

    /* Hover suave */

    .card:hover {
        box-shadow: var(--shadow-md);
        transform: translateY(-2px);
    }

/* -------- HEADER -------- */

.card-header {
    padding: .65rem 1rem;
    font-size: 0.9rem;
    font-weight: 600;
    background: #f8f9fa;
    border-bottom: 1px solid var(--border-color);
    display: flex;
    align-items: center;
    justify-content: space-between;
}

/* -------- BODY -------- */

.card-body {
    padding: 1rem;
}

/* -------- FOOTER -------- */

.card-footer {
    padding: .65rem 1rem;
    background: #f8f9fa;
    border-top: 1px solid var(--border-color);
    display: flex;
    justify-content: flex-end;
    gap: .5rem;
}

/* -------- CARD TITLE -------- */

.card-title {
    font-size: 1rem;
    font-weight: 600;
    margin-bottom: .25rem;
}

.card-subtitle {
    font-size: .85rem;
    color: var(--text-secondary);
}

/* -------- CARD VARIANTS -------- */

/* Card destacada */

.card-primary {
    border-left: 4px solid var(--color-primary);
}

/* Card secundaria */

.card-secondary {
    border-left: 4px solid var(--color-secondary);
}

/* Card ligera (sin sombra) */

.card-soft {
    box-shadow: none;
}

/* -------- GRID DE TARJETAS -------- */

.card-grid {
    display: grid;
    gap: 1rem;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
}