:root { --bg:#f5f6f8; --fg:#16191f; --muted:#5a6370; --card:#fff; --line:#d8dce2; --acc:#1d4fd7; --acc-fg:#fff; --err:#b3261e; }
@media (prefers-color-scheme: dark) {
  :root { --bg:#0f1115; --fg:#e8eaee; --muted:#9aa3b2; --card:#171a21; --line:#2a2f3a; --acc:#5b84f0; --acc-fg:#0b0d12; --err:#ff8a80; }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--fg); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", sans-serif; }
header { display: flex; justify-content: space-between; align-items: center; gap: 12px; padding: 12px 16px; background: var(--card); border-bottom: 1px solid var(--line); }
header form { display: flex; align-items: center; gap: 12px; margin: 0; }
.card { width: calc(100% - 32px); max-width: 440px; margin: 10vh auto; padding: 24px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
h1 { margin: 0 0 4px; font-size: 1.5rem; }
.muted { color: var(--muted); margin: 0 0 16px; }
.err { color: var(--err); font-weight: 600; }
label { display: block; margin: 12px 0; font-weight: 600; }
input { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
button { padding: 10px 16px; font: inherit; font-weight: 600; color: var(--acc-fg); background: var(--acc); border: 0; border-radius: 8px; cursor: pointer; }
button.link { padding: 4px 8px; color: var(--acc); background: none; text-decoration: underline; }
form > button { width: 100%; margin-top: 8px; }
:focus-visible { outline: 3px solid var(--acc); outline-offset: 2px; }

/* tappa 2: navigazione, tabella, moduli */
nav { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; }
a { color: var(--acc); }
.wide { max-width: 980px; margin: 24px auto; padding: 0 16px; }
.bar { display: flex; align-items: center; gap: 16px; flex-wrap: wrap; margin: 12px 0 16px; }
.bar form { margin: 0; }
.bar form > button { width: auto; margin: 0; }
.btn { display: inline-block; padding: 10px 16px; font-weight: 600; color: var(--acc-fg); background: var(--acc); border-radius: 8px; text-decoration: none; }
.scroll { overflow-x: auto; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: 10px 14px; text-align: left; vertical-align: top; border-bottom: 1px solid var(--line); }
thead th { font-size: .85rem; color: var(--muted); }
tbody tr:last-child > * { border-bottom: 0; }
.pill { display: inline-block; padding: 2px 10px; border-radius: 999px; font-size: .875rem; font-weight: 600; border: 1px solid currentColor; }
.pill.ok { color: #1b7a3a; } .pill.ko { color: var(--err); } .pill.pend, .pill.off { color: var(--muted); }
@media (prefers-color-scheme: dark) { .pill.ok { color: #6fdc8c; } }
fieldset { margin: 0 0 16px; padding: 8px 16px 12px; background: var(--card); border: 1px solid var(--line); border-radius: 12px; }
legend { padding: 0 6px; font-weight: 700; }
small { display: block; font-weight: 400; }
small.err { font-weight: 600; }
select { display: block; width: 100%; margin-top: 4px; padding: 10px 12px; font: inherit; color: var(--fg); background: var(--bg); border: 1px solid var(--line); border-radius: 8px; }
label.check { display: flex; gap: 8px; align-items: center; font-weight: 400; }
label.check input { width: auto; margin: 0; }
.form form > .bar > button { width: auto; margin: 0; }

/* tappa 3: scheda cliente */
section { margin: 28px 0; }
h2 { margin: 0 0 8px; font-size: 1.25rem; }
h3 { margin: 20px 0 8px; font-size: 1rem; }
.dati { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px 24px; margin: 0; }
.dati dt { font-size: .85rem; color: var(--muted); }
.dati dd { margin: 0; overflow-wrap: anywhere; }
code { font-size: .85rem; }