:root {
    --colore-primario: #2b6cb0;
    --colore-primario-scuro: #1a4971;
    --colore-ok: #2f855a;
    --colore-warn: #c05621;
    --colore-errore: #c53030;
    --colore-sfondo: #f4f6f8;
    --colore-bordo: #dde3e8;
    --colore-testo: #1a202c;
}

* { box-sizing: border-box; }

body {
    margin: 0;
    font-family: -apple-system, Segoe UI, Roboto, Arial, sans-serif;
    background: var(--colore-sfondo);
    color: var(--colore-testo);
}

.layout { min-height: 100vh; }

.topbar {
    display: flex;
    align-items: center;
    gap: 1.5rem;
    background: var(--colore-primario-scuro);
    color: #fff;
    padding: 0.75rem 1.5rem;
    position: sticky;
    top: 0;
    z-index: 20;
}
.topbar-brand { font-weight: 700; font-size: 1.15rem; }
.topbar-nav { display: flex; gap: 0.25rem; flex: 1; flex-wrap: wrap; }
.topbar-nav a {
    color: #fff;
    text-decoration: none;
    opacity: 0.85;
    padding: 0.5rem 0.9rem;
    border-radius: 6px;
}
.topbar-nav a:hover { opacity: 1; background: rgba(255, 255, 255, 0.1); }
.topbar-nav a.active { opacity: 1; background: rgba(255, 255, 255, 0.18); font-weight: 600; }
.topbar-user { display: flex; align-items: center; gap: 0.9rem; }
.topbar-user-info { display: flex; flex-direction: column; line-height: 1.2; text-align: right; }
.topbar-user-info small { color: #cbd5e0; font-size: 0.75rem; }
.topbar-link { color: #fff; opacity: 0.85; text-decoration: none; font-size: 0.9rem; }
.topbar-link:hover { opacity: 1; text-decoration: underline; }
.hamburger { display: none; background: none; border: none; color: #fff; font-size: 1.4rem; cursor: pointer; }

.container { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
.container-wide { max-width: 1400px; width: 95%; }

@media (max-width: 860px) {
    .topbar { flex-wrap: wrap; }
    .topbar-nav { display: none; flex-basis: 100%; flex-direction: column; }
    .topbar.nav-open .topbar-nav { display: flex; }
    .hamburger { display: block; }
}

h1 { margin-top: 0; }

.login-box {
    max-width: 380px;
    margin: 4rem auto;
    background: #fff;
    padding: 2rem;
    border-radius: 8px;
    border: 1px solid var(--colore-bordo);
}

.form label { display: block; margin-top: 1rem; margin-bottom: 0.25rem; font-weight: 600; font-size: 0.9rem; }
.form input, .form select, .form textarea {
    width: 100%;
    padding: 0.5rem 0.6rem;
    border: 1px solid var(--colore-bordo);
    border-radius: 4px;
    font-size: 1rem;
}
.form input[type="checkbox"] { width: 1.05rem; height: 1.05rem; flex: none; padding: 0; margin: 0; accent-color: var(--colore-primario); }
.checkbox-inline { display: flex; align-items: center; gap: 0.5rem; margin-top: 1rem; font-weight: 600; font-size: 0.9rem; }
.form-actions { margin-top: 1.5rem; display: flex; gap: 0.75rem; }

button, .button {
    display: inline-block;
    background: var(--colore-primario);
    color: #fff;
    border: none;
    padding: 0.55rem 1.1rem;
    border-radius: 4px;
    font-size: 0.95rem;
    cursor: pointer;
    text-decoration: none;
}
button:hover, .button:hover { background: var(--colore-primario-scuro); }
.button-secondary { background: #718096; }
.button-secondary:hover { background: #4a5568; }
.button-danger { background: var(--colore-errore); }
.button-danger:hover { background: #9b2c2c; }

.alert { padding: 0.65rem 1rem; border-radius: 4px; margin-bottom: 1rem; }
.alert-ok { background: #f0fff4; color: var(--colore-ok); border: 1px solid #c6f6d5; }
.alert-error { background: #fff5f5; color: var(--colore-errore); border: 1px solid #fed7d7; }

.cards { display: grid; grid-template-columns: repeat(auto-fit, minmax(160px, 1fr)); gap: 1rem; margin: 1.5rem 0; }
.card { background: #fff; border: 1px solid var(--colore-bordo); border-radius: 8px; padding: 1.25rem; text-align: center; }
.card-value { display: block; font-size: 2rem; font-weight: 700; color: var(--colore-primario); }
.card-label { display: block; font-size: 0.85rem; color: #4a5568; margin-top: 0.25rem; }
.card a { text-decoration: none; color: inherit; display: block; }

.table { width: 100%; border-collapse: collapse; background: #fff; margin-top: 1rem; }
.table th, .table td { text-align: left; padding: 0.6rem 0.75rem; border-bottom: 1px solid var(--colore-bordo); }
.table th { background: #edf2f7; font-size: 0.85rem; text-transform: uppercase; letter-spacing: 0.03em; }
.table-actions { display: flex; flex-wrap: wrap; gap: 0.4rem; align-items: center; }
.table-actions form { display: inline; margin: 0; }
.table-actions a { margin: 0; }

.btn-icon {
    display: inline-flex; align-items: center; justify-content: center;
    padding: 0.35rem 0.7rem; border: 1px solid var(--colore-bordo); border-radius: 6px;
    background: #fff; color: var(--colore-primario); font-size: 0.85rem;
    cursor: pointer; text-decoration: none;
}
.btn-icon:hover { background: var(--colore-primario); border-color: var(--colore-primario); color: #fff; }
.btn-icon--warn { color: var(--colore-warn); }
.btn-icon--warn:hover { background: var(--colore-warn); border-color: var(--colore-warn); color: #fff; }

.badge { display: inline-block; font-size: 0.7rem; text-transform: uppercase; padding: 0.15rem 0.5rem; border-radius: 999px; background: #edf2f7; color: #4a5568; }
.badge--info { background: #ebf8ff; color: var(--colore-primario); }
.badge--warn { background: #fffaf0; color: var(--colore-warn); }
.badge--ok { background: #f0fff4; color: var(--colore-ok); }
.badge--danger { background: #fff5f5; color: var(--colore-errore); }

.footer { text-align: center; color: #a0aec0; padding: 2rem 0 1rem; }
.muted { color: #4a5568; font-size: 0.9rem; }

.tabs { display: flex; flex-wrap: wrap; gap: 0.25rem; margin: 1.25rem 0 0; }
.tab {
    position: relative; display: inline-block; text-decoration: none; line-height: 1.2;
    background: #dde3e8; color: var(--colore-testo); border: 1px solid var(--colore-bordo);
    padding: 0.6rem 1.15rem; font-weight: 600; cursor: pointer; border-radius: 8px 8px 0 0;
    margin-bottom: -1px;
}
.tab:hover { background: #cbd5e0; }
.tab.is-active { background: #fff; border-bottom-color: #fff; color: var(--colore-primario); z-index: 1; }
.tab-panel { background: #fff; border: 1px solid var(--colore-bordo); border-radius: 0 8px 8px 8px; padding: 1.25rem; margin-bottom: 1.25rem; }
.tab-panel[hidden] { display: none; }
.tab-panel > :first-child { margin-top: 0; }
.subpanel[hidden] { display: none; }
.subpanel > :first-child { margin-top: 0; }

.codice-box {
    font-size: 1.6rem; letter-spacing: 0.25em; font-weight: 700;
    background: #f0fff4; color: var(--colore-ok); border: 1px solid #c6f6d5;
    padding: 0.75rem 1rem; border-radius: 6px; text-align: center; margin: 0.75rem 0;
}

.eventi-log { max-height: 320px; overflow: auto; font-size: 0.85rem; }
.eventi-log table { margin-top: 0; }