:root {
  --bg: #f4f6f9;
  --panel: #ffffff;
  --text: #1d2733;
  --muted: #637083;
  --line: #dde3ea;
  --brand: #0b4f8a;
  --brand-dark: #083a66;
  --brand-soft: #e7f0f9;
  --ok: #157347;
  --ok-soft: #e5f4ec;
  --warn: #9a6200;
  --warn-soft: #fff4dd;
  --err: #b42318;
  --err-soft: #fdecea;
  --radius: 8px;
  --mono: ui-monospace, "Cascadia Mono", "Consolas", "SFMono-Regular", monospace;
}
* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: "Segoe UI", system-ui, -apple-system, "Helvetica Neue", Arial, sans-serif;
  font-size: 14px; line-height: 1.45; color: var(--text); background: var(--bg);
}
a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }
h1 { font-size: 22px; margin: 0 0 4px; font-weight: 600; }
h2 { font-size: 16px; margin: 0 0 12px; font-weight: 600; }
h3 { font-size: 14px; margin: 16px 0 8px; font-weight: 600; }
p { margin: 0 0 10px; }
code, .mono { font-family: var(--mono); font-size: 12.5px; }
small, .muted { color: var(--muted); }

/* ---------- layout */
.topbar {
  background: var(--brand-dark); color: #fff; display: flex; align-items: center; gap: 24px;
  padding: 0 24px; height: 52px; position: sticky; top: 0; z-index: 10;
}
.topbar .brand { font-weight: 700; letter-spacing: .2px; white-space: nowrap; color: #fff; font-size: 15px; }
.topbar .brand span { font-weight: 400; opacity: .75; margin-left: 6px; }
.topbar nav { display: flex; gap: 2px; flex: 1; overflow-x: auto; }
.topbar nav a {
  color: #d6e4f2; padding: 8px 12px; border-radius: 6px; white-space: nowrap; font-size: 13.5px;
}
.topbar nav a:hover { background: rgba(255,255,255,.08); text-decoration: none; color: #fff; }
.topbar nav a.active { background: rgba(255,255,255,.16); color: #fff; font-weight: 600; }
.topbar .user { display: flex; align-items: center; gap: 10px; font-size: 13px; color: #d6e4f2; white-space: nowrap; }
.topbar .user form { margin: 0; }
.topbar .user button {
  background: transparent; border: 1px solid rgba(255,255,255,.35); color: #fff; padding: 4px 10px;
  border-radius: 6px; cursor: pointer; font-size: 12.5px;
}
main { max-width: 1240px; margin: 0 auto; padding: 24px; }
.page-head { display: flex; align-items: flex-end; justify-content: space-between; gap: 16px; margin-bottom: 18px; flex-wrap: wrap; }
.page-head .sub { color: var(--muted); margin-top: 2px; }
.breadcrumb { font-size: 12.5px; color: var(--muted); margin-bottom: 6px; }
.breadcrumb a { color: var(--muted); }

.card { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 18px 20px; margin-bottom: 18px; }
.card.tight { padding: 0; overflow: hidden; }
.card.tight > h2 { padding: 16px 20px 0; }
.card-head { display: flex; justify-content: space-between; align-items: center; gap: 12px; margin-bottom: 12px; }
.card-head h2 { margin: 0; }
.grid { display: grid; gap: 18px; }
.grid.cols-2 { grid-template-columns: repeat(2, minmax(0, 1fr)); }
.grid.cols-3 { grid-template-columns: repeat(3, minmax(0, 1fr)); }
.grid.cols-4 { grid-template-columns: repeat(4, minmax(0, 1fr)); }
.grid.side { grid-template-columns: minmax(0, 2fr) minmax(0, 1fr); }
@media (max-width: 900px) { .grid.cols-2, .grid.cols-3, .grid.cols-4, .grid.side { grid-template-columns: 1fr; } }

.stat { background: var(--panel); border: 1px solid var(--line); border-radius: var(--radius); padding: 16px 18px; }
.stat .label { color: var(--muted); font-size: 12.5px; text-transform: uppercase; letter-spacing: .4px; }
.stat .value { font-size: 26px; font-weight: 600; margin-top: 4px; }
.stat .hint { color: var(--muted); font-size: 12.5px; margin-top: 2px; }
.stat.ok { border-left: 4px solid var(--ok); }
.stat.warn { border-left: 4px solid var(--warn); background: var(--warn-soft); }
.stat.err { border-left: 4px solid var(--err); background: var(--err-soft); }

/* ---------- tabelle */
.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 8px 12px; border-bottom: 1px solid var(--line); vertical-align: top; }
th { font-size: 12px; text-transform: uppercase; letter-spacing: .4px; color: var(--muted); font-weight: 600; background: #f8fafc; white-space: nowrap; }
tr:last-child td { border-bottom: none; }
tbody tr:hover td { background: #fafcfe; }
td.num, th.num { text-align: right; font-variant-numeric: tabular-nums; }
td.nowrap { white-space: nowrap; }
.empty { padding: 28px; text-align: center; color: var(--muted); }

/* ---------- badge / alert */
.badge { display: inline-block; padding: 2px 8px; border-radius: 99px; font-size: 12px; font-weight: 600; background: #eef1f5; color: var(--muted); white-space: nowrap; }
.badge.ok { background: var(--ok-soft); color: var(--ok); }
.badge.warn { background: var(--warn-soft); color: var(--warn); }
.badge.err { background: var(--err-soft); color: var(--err); }
.badge.info { background: var(--brand-soft); color: var(--brand); }
.alert { padding: 11px 14px; border-radius: var(--radius); margin-bottom: 14px; border: 1px solid; }
.alert.ok { background: var(--ok-soft); border-color: #b7dfc8; color: #0e5132; }
.alert.error { background: var(--err-soft); border-color: #f5c2bd; color: #7a1a12; }
.alert.warn { background: var(--warn-soft); border-color: #f1d9a6; color: #6b4500; }
.alert.info { background: var(--brand-soft); border-color: #c5d9ee; color: #0b3c69; }
.alert ul { margin: 4px 0 0 18px; padding: 0; }

/* ---------- form */
form.stack > * + * { margin-top: 14px; }
label { display: block; font-weight: 600; font-size: 13px; margin-bottom: 4px; }
label .opt { font-weight: 400; color: var(--muted); }
.help { color: var(--muted); font-size: 12.5px; margin-top: 4px; font-weight: 400; }
input[type=text], input[type=password], input[type=email], input[type=number], input[type=date], input[type=search],
select, textarea {
  width: 100%; padding: 8px 10px; border: 1px solid #c6ced8; border-radius: 6px; font: inherit; background: #fff; color: var(--text);
}
textarea { font-family: var(--mono); font-size: 12.5px; min-height: 110px; resize: vertical; }
input:focus, select:focus, textarea:focus { outline: 2px solid #9cc3e8; border-color: var(--brand); }
input[type=file] { font: inherit; font-size: 13px; }
.field-row { display: grid; gap: 14px; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); }
.check { display: flex; gap: 8px; align-items: flex-start; font-weight: 400; }
.check input { margin-top: 3px; }
.actions { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.inline { display: inline; margin: 0; }
.inline-form { display: flex; gap: 6px; align-items: center; margin: 0; }
.inline-form input[type=date], .inline-form input[type=text] { width: auto; padding: 5px 8px; }

.btn {
  display: inline-flex; align-items: center; gap: 6px; padding: 8px 14px; border-radius: 6px; border: 1px solid var(--brand);
  background: var(--brand); color: #fff; font: inherit; font-weight: 600; cursor: pointer; text-decoration: none; white-space: nowrap; line-height: 1.2;
}
.btn:hover { background: var(--brand-dark); text-decoration: none; }
.btn.secondary { background: #fff; color: var(--brand); border-color: #b7c9dc; }
.btn.secondary:hover { background: var(--brand-soft); }
.btn.danger { background: #fff; color: var(--err); border-color: #e9b4ae; }
.btn.danger:hover { background: var(--err-soft); }
.btn.small { padding: 4px 10px; font-size: 12.5px; font-weight: 600; }
.btn[disabled] { opacity: .5; cursor: not-allowed; }

/* ---------- elementi specifici */
.keybox { background: #0f1b2a; color: #e8f1fb; border-radius: var(--radius); padding: 16px 18px; margin-bottom: 18px; }
.keybox h2 { color: #fff; }
.keybox .secret { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; }
.keybox code { background: #1b2c42; color: #fff; padding: 9px 12px; border-radius: 6px; font-size: 13.5px; word-break: break-all; flex: 1; min-width: 280px; }
.keybox p { color: #b8c7d8; }
.keybox .btn { background: #fff; color: var(--brand-dark); border-color: #fff; }
pre.code { background: #0f1b2a; color: #e3edf7; padding: 12px 14px; border-radius: 6px; overflow-x: auto; font-family: var(--mono); font-size: 12.5px; margin: 0; white-space: pre; }
.formula { background: var(--brand-soft); border: 1px solid #c5d9ee; color: #0b3c69; border-radius: 6px; padding: 10px 12px; font-size: 13px; }
.dl { display: grid; grid-template-columns: 170px 1fr; gap: 6px 14px; margin: 0; }
.dl dt { color: var(--muted); }
.dl dd { margin: 0; }
.families { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 4px 16px; max-height: 360px; overflow-y: auto; border: 1px solid var(--line); border-radius: 6px; padding: 10px 12px; }
.families label { font-weight: 400; display: flex; gap: 8px; align-items: center; margin: 0; padding: 3px 0; }
.families .n { color: var(--muted); font-size: 12px; margin-left: auto; }
.pager { display: flex; gap: 8px; align-items: center; justify-content: flex-end; padding: 12px 16px; }
.toolbar { display: flex; gap: 8px; align-items: center; flex-wrap: wrap; padding: 12px 16px; border-bottom: 1px solid var(--line); background: #fbfcfd; }
.toolbar input[type=search], .toolbar input[type=text], .toolbar select { width: auto; min-width: 200px; }
.toolbar input[type=date] { width: auto; }
.toolbar .spacer { flex: 1; }
.yes { color: var(--ok); font-weight: 600; }
.zero { color: var(--muted); }
.details { font-family: var(--mono); font-size: 12px; color: var(--muted); word-break: break-word; max-width: 520px; }
details summary { cursor: pointer; color: var(--brand); }

/* ---------- login */
.auth-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.auth { width: 100%; max-width: 400px; background: var(--panel); border: 1px solid var(--line); border-radius: 12px; padding: 28px 30px; box-shadow: 0 8px 30px rgba(16, 38, 64, .08); }
.auth.wide { max-width: 520px; }
.auth .logo { font-weight: 700; color: var(--brand-dark); font-size: 18px; margin-bottom: 2px; }
.auth .lead { color: var(--muted); margin-bottom: 20px; }
.auth .btn { width: 100%; justify-content: center; padding: 10px; }
.qr { display: flex; gap: 18px; align-items: center; margin: 14px 0 18px; }
.qr img { width: 180px; height: 180px; border: 1px solid var(--line); border-radius: 8px; background: #fff; }
.qr .secret { font-family: var(--mono); font-size: 13px; background: #f3f5f8; padding: 8px; border-radius: 6px; word-break: break-all; }
input.otp { font-size: 22px; letter-spacing: 6px; text-align: center; font-family: var(--mono); }
.footer { color: var(--muted); font-size: 12px; text-align: center; padding: 18px 0 30px; }

/* ---------- utility (niente style inline: la CSP li blocca) */
.mt-0 { margin-top: 0; } .mt-8 { margin-top: 8px; } .mt-10 { margin-top: 10px; } .mt-12 { margin-top: 12px; }
.mt-14 { margin-top: 14px; } .mt-16 { margin-top: 16px; } .mb-10 { margin-bottom: 10px; } .mb-18 { margin-bottom: 18px; }
.m-0 { margin: 0; } .m-0x { margin-left: 0; margin-right: 0; margin-bottom: 0; }
.fw-normal { font-weight: 400; } .fs-14 { font-size: 14px; } .fs-16 { font-size: 16px; } .fs-18 { font-size: 18px; }
.pad-head { padding: 16px 20px 0; } .pad-x20 { padding: 0 20px; }
.toolbar-bottom { border-top: 1px solid var(--line); border-bottom: none; }
.col-stack { display: flex; flex-direction: column; gap: 14px; }
.scroll-320 { max-height: 320px; overflow-y: auto; }
.w-240 { width: 240px !important; } .w-170 { width: 170px !important; }
.pre-wrap { white-space: pre-wrap; } .maxw-820 { max-width: 820px; }
textarea.ta-plain { font-family: inherit; font-size: 14px; min-height: 80px; }
code.code-plain { background: none !important; padding: 0 !important; min-width: 0 !important; font-size: 12.5px; color: #e8f1fb; }
.w-150 { width: 150px !important; }
.stat .value.fs-14 { font-size: 14px; } .stat .value.fs-16 { font-size: 16px; line-height: 1.35; margin-top: 8px; } .stat .value.fs-18 { font-size: 18px; margin-top: 8px; }