/*
PuntVault Enterprise UI Framework
Phase 3.1 - Layout System

Purpose:
- Standardize page sections, containers, grids, stacks, and spacing.
- Additive only. Existing page layouts remain untouched until templates are migrated.
*/

.pv-section {
    padding: var(--pv-space-2xl) 0;
}

.pv-section-tight {
    padding: var(--pv-space-xl) 0;
}

.pv-section-compact {
    padding: var(--pv-space-lg) 0;
}

.pv-shell {
    width: min(1180px, calc(100% - 32px));
    margin-inline: auto;
}

.pv-shell-wide {
    width: min(1320px, calc(100% - 32px));
    margin-inline: auto;
}

.pv-shell-narrow {
    width: min(860px, calc(100% - 32px));
    margin-inline: auto;
}

.pv-layout-stack {
    display: grid;
    gap: var(--pv-space-lg);
}

.pv-layout-stack-sm {
    display: grid;
    gap: var(--pv-space-md);
}

.pv-layout-stack-lg {
    display: grid;
    gap: var(--pv-space-xl);
}

.pv-layout-split {
    display: grid;
    grid-template-columns: minmax(0, 1.1fr) minmax(320px, 0.9fr);
    gap: var(--pv-space-xl);
    align-items: center;
}

.pv-grid-2 {
    display: grid;
    grid-template-columns: repeat(2, minmax(0, 1fr));
    gap: var(--pv-space-lg);
}

.pv-grid-3 {
    display: grid;
    grid-template-columns: repeat(3, minmax(0, 1fr));
    gap: var(--pv-space-lg);
}

.pv-grid-4 {
    display: grid;
    grid-template-columns: repeat(4, minmax(0, 1fr));
    gap: var(--pv-space-lg);
}

.pv-grid-auto {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
    gap: var(--pv-space-lg);
}

.pv-center {
    text-align: center;
}

.pv-flex-between {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: var(--pv-space-md);
}

.pv-flex-wrap {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    gap: var(--pv-space-md);
}

@media (max-width: 980px) {
    .pv-layout-split,
    .pv-grid-2,
    .pv-grid-3,
    .pv-grid-4 {
        grid-template-columns: 1fr;
    }

    .pv-section {
        padding: var(--pv-space-xl) 0;
    }

    .pv-shell,
    .pv-shell-wide,
    .pv-shell-narrow {
        width: min(100% - 24px, 1320px);
    }

    .pv-flex-between {
        align-items: flex-start;
        flex-direction: column;
    }
}

@media (max-width: 640px) {
    .pv-section {
        padding: var(--pv-space-lg) 0;
    }

    .pv-section-tight {
        padding: var(--pv-space-lg) 0;
    }

    .pv-grid-auto {
        grid-template-columns: 1fr;
    }
}