*, *::before, *::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}

html {
    scroll-behavior: smooth;
}

body {
    font-family: 'Barlow', sans-serif;
    background: var(--bg);
    color: var(--text);
    min-height: 100vh;
}

a {
    color: var(--green);
    text-decoration: none;
}

a:hover {
    text-decoration: underline;
}

/* Spacing utilities */
.mt-1 { margin-top: 0.25rem; }
.mt-2 { margin-top: 0.5rem; }
.mt-4 { margin-top: 1rem; }
.mt-6 { margin-top: 1.5rem; }
.mb-4 { margin-bottom: 1rem; }
.mb-6 { margin-bottom: 1.5rem; }
.py-6 { padding-top: 1.5rem; padding-bottom: 1.5rem; }

/* Wrap principale */
.wrap {
    max-width: 1400px;
    margin: 0 auto;
    padding: 24px 20px;
}

/* Grid di sistema */
.grid-2 {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 20px;
}

@media (max-width: 900px) {
    .grid-2 { grid-template-columns: 1fr; }
}

.f-row {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 12px;
}

.f-row-3 {
    display: grid;
    grid-template-columns: 1fr 1fr 1fr;
    gap: 12px;
}

/* Empty state */
.empty {
    text-align: center;
    padding: 40px 20px;
    color: var(--muted);
}

.empty-icon {
    font-size: 40px;
    margin-bottom: 10px;
    display: block;
}

/* Loading overlay */
.loading-overlay {
    display: flex;
    align-items: center;
    justify-content: center;
    padding: 40px;
    color: var(--muted);
    font-size: 14px;
    gap: 10px;
}