/**
 * Layout CSS
 * Estilos base de estructura y layout
 */

/* Body */
body {
    font-family: var(--font-family, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif);
    line-height: var(--line-height-normal, 1.6);
    color: var(--color-text, #333);
    background-color: var(--color-bg, #ffffff);
}

/* Container */
.container {
    max-width: var(--container-width, 1200px);
    margin: 0 auto;
    padding: var(--spacing-lg, 20px);
}

.container-fluid {
    width: 100%;
    padding: var(--spacing-lg, 20px);
}

/* Grid System */
.grid {
    display: grid;
    gap: var(--spacing-lg, 20px);
}

.grid-2 {
    grid-template-columns: repeat(2, 1fr);
}

.grid-3 {
    grid-template-columns: repeat(3, 1fr);
}

.grid-4 {
    grid-template-columns: repeat(4, 1fr);
}

.grid-auto-fit {
    grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
}

.grid-auto-fill {
    grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
}

/* Flexbox Utilities */
.flex {
    display: flex;
}

.flex-center {
    display: flex;
    align-items: center;
    justify-content: center;
}

.flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.flex-column {
    flex-direction: column;
}

.flex-wrap {
    flex-wrap: wrap;
}

.flex-1 {
    flex: 1;
}

/* Spacing */
.gap-sm { gap: var(--spacing-sm, 8px); }
.gap-md { gap: var(--spacing-md, 16px); }
.gap-lg { gap: var(--spacing-lg, 24px); }
.gap-xl { gap: var(--spacing-xl, 32px); }

/* Responsive */
@media (max-width: 1024px) {
    .container {
        padding: var(--spacing-md, 16px);
    }

    .grid-2,
    .grid-3,
    .grid-4 {
        grid-template-columns: 1fr;
    }
}

@media (max-width: 480px) {
    .container {
        padding: var(--spacing-sm, 10px);
    }
}