:root{--bg:#f6f7f9;--card:#fff;--ink:#1d232b;--muted:#6b7280;--line:#e5e7eb;--brand:#1f5fbf;--brand-ink:#17499a;--ok:#15803d;--warn:#b45309;--err:#b91c1c;--side:#17202b;--hover:#f3f6fb;--radius:8px}
*{box-sizing:border-box}
body{margin:0;font:14px/1.45 system-ui,-apple-system,Segoe UI,Roboto,sans-serif;color:var(--ink);background:var(--bg)}
a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}
code{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px;background:#f3f4f6;padding:1px 4px;border-radius:4px}

/* ---- barra laterale ---- */
nav.side{position:fixed;left:0;top:0;bottom:0;width:224px;background:var(--side);color:#cbd5e1;display:flex;flex-direction:column;padding:14px 0}
nav.side a{color:#cbd5e1;padding:9px 18px;display:block;border-left:3px solid transparent}
nav.side a.active,nav.side a:hover{background:#243040;color:#fff;text-decoration:none}nav.side a.active{border-left-color:#60a5fa}
nav.side .brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:#fff;margin:2px 0 14px;padding:6px 16px;border-left:0;letter-spacing:.01em}
nav.side .brand:hover{background:none}
.logo{width:34px;height:34px;flex:none}
.side-foot{margin-top:auto;padding:12px 18px;font-size:12px;border-top:1px solid #2b3748;display:flex;flex-direction:column;gap:4px}
nav.side .side-foot a{padding:0;display:inline;border:0}.side-foot span{color:#fff;overflow:hidden;text-overflow:ellipsis}
main.with-side{margin-left:224px;padding:24px 28px;max-width:1440px}
main.center{max-width:420px;margin:10vh auto;padding:20px}
main.center .brand{display:flex;align-items:center;justify-content:center;gap:12px;color:var(--brand);font-size:26px;font-weight:700;margin:0 0 18px}
main.center .brand .logo{width:56px;height:56px}

/* ---- intestazioni e azioni in alto ---- */
header.page{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin:0 0 16px}
h1{font-size:22px;margin:0;line-height:1.25}h1 small{color:var(--muted);font-weight:400;font-size:14px;margin-left:8px}
h1 .st{vertical-align:middle;margin-right:4px}
h2{font-size:15px;margin:0 0 10px}
.sec{display:flex;align-items:center;justify-content:space-between;gap:12px;margin:22px 0 8px}.sec h2{margin:0}.sec:first-child{margin-top:0}
.actions{display:flex;gap:8px;flex-wrap:wrap;align-items:center;justify-content:flex-end;flex:none}
.actions form{display:inline}

/* ---- schede e griglie ---- */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.card .sec:first-child{margin-top:0}
.grid{display:grid;gap:14px;align-items:start}.grid.cols-4{grid-template-columns:repeat(4,1fr)}.grid.cols-3{grid-template-columns:repeat(3,1fr)}.grid.cols-2{grid-template-columns:repeat(2,1fr)}
.kpi{padding:14px 16px}.kpi .n{font-size:26px;font-weight:600}.kpi .l{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.04em}

/* ---- tabelle ---- */
table{width:100%;border-collapse:separate;border-spacing:0;background:var(--card);border:1px solid var(--line);border-radius:var(--radius);overflow:hidden}
.card table{border:0;border-radius:0;background:transparent}
th,td{padding:8px 10px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
th{background:#f3f4f6;font-weight:600;font-size:12px;color:#374151;white-space:nowrap}
tr:last-child td{border-bottom:0}td.num,th.num{text-align:right}td.mono,.mono{font-family:ui-monospace,SFMono-Regular,Menlo,monospace;font-size:12px}
tr[data-href]{cursor:pointer}tr[data-href]:hover td{background:var(--hover)}
td .cell-action{opacity:.7}tr:hover td .cell-action{opacity:1}
td.dt{white-space:nowrap}
.st{display:inline-block;padding:2px 8px;border-radius:999px;font-size:11px;font-weight:600;text-transform:uppercase;letter-spacing:.03em;background:#e5e7eb;color:#374151}
.st-queued{background:#dbeafe;color:#1e40af}.st-sending{background:#fef3c7;color:#92400e}.st-sent{background:#d1fae5;color:#065f46}.st-delivered{background:#bbf7d0;color:#14532d}
.st-bounced{background:#fee2e2;color:#991b1b}.st-failed{background:#fecaca;color:#7f1d1d}.st-cancelled{background:#e5e7eb;color:#4b5563}
.http-2{color:var(--ok)}.http-4{color:var(--warn)}.http-5{color:var(--err)}
.empty td{color:var(--muted);text-align:center;padding:22px 10px}

/* ---- form ---- */
form.filters{display:flex;flex-wrap:wrap;gap:8px;align-items:end;margin-bottom:12px}form.filters label{display:flex;flex-direction:column;font-size:12px;color:var(--muted)}
input,select,textarea{font:inherit;padding:7px 9px;border:1px solid #cbd5e1;border-radius:6px;background:#fff;min-width:0;color:var(--ink)}
input:focus,select:focus,textarea:focus{outline:2px solid #93c5fd;outline-offset:0;border-color:var(--brand)}
textarea{width:100%;min-height:120px;font-family:ui-monospace,Menlo,monospace;font-size:12px}
input[type=checkbox]{width:auto;accent-color:var(--brand)}
.field{display:flex;flex-direction:column;gap:4px;margin-bottom:12px}.field label{font-size:12px;color:var(--muted)}.field .hint{font-size:12px;color:var(--muted)}
.field.check{justify-content:flex-end}.field.check label{color:var(--ink);display:flex;gap:8px;align-items:flex-start;font-size:13px;line-height:1.35;padding:7px 0}.field.check input{margin:2px 0 0}
.row{display:flex;gap:12px;flex-wrap:wrap}.row .field{flex:1;min-width:160px}
.form-foot{display:flex;gap:8px;align-items:center;margin-top:4px}

/* ---- bottoni ---- */
button,.btn{font:inherit;font-weight:500;padding:7px 13px;border-radius:6px;border:1px solid var(--brand);background:var(--brand);color:#fff;cursor:pointer;display:inline-flex;align-items:center;gap:6px;line-height:1.3;white-space:nowrap}
button:hover,.btn:hover{background:var(--brand-ink);border-color:var(--brand-ink);text-decoration:none}
.btn.secondary,button.secondary{background:#fff;color:var(--brand)}.btn.secondary:hover,button.secondary:hover{background:#eff4fb;color:var(--brand-ink)}
.btn.danger,button.danger{background:#fff;color:var(--err);border-color:#f3b4b4}.btn.danger:hover,button.danger:hover{background:#fef2f2;border-color:var(--err);color:var(--err)}
.btn.danger.solid,button.danger.solid{background:var(--err);border-color:var(--err);color:#fff}
.btn.small,button.small{padding:4px 9px;font-size:12px}
button.link{background:none;border:0;color:#cbd5e1;padding:0;cursor:pointer;text-align:left;font-weight:400}button.link:hover{background:none;text-decoration:underline}
button:disabled{opacity:.5;cursor:default}
form.inline{display:inline}

/* ---- flyout (dialog laterale) ---- */
dialog.flyout{position:fixed;inset:0 0 0 auto;margin:0;height:100%;max-height:100vh;width:440px;max-width:100vw;border:0;padding:0;background:#fff;color:var(--ink);box-shadow:-10px 0 30px rgba(15,23,42,.18);flex-direction:column}
dialog.flyout[open]{display:flex}dialog.flyout::backdrop{background:rgba(15,23,42,.35)}
dialog.flyout.wide{width:620px}
dialog.flyout form{display:flex;flex-direction:column;flex:1;min-height:0}
.flyout-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:16px 20px;border-bottom:1px solid var(--line)}
.flyout-head h2{margin:0;font-size:17px}
.flyout-head .close{background:none;border:0;color:var(--muted);font-size:22px;line-height:1;padding:2px 6px;cursor:pointer}.flyout-head .close:hover{color:var(--ink);background:none}
.flyout-body{padding:20px;overflow:auto;flex:1}.flyout-body p{margin-top:0}
.flyout-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;gap:8px;justify-content:flex-end;background:#fafafa}

/* ---- varie ---- */
.flash{padding:10px 14px;border-radius:6px;margin-bottom:14px}.flash.ok{background:#d1fae5;color:#065f46}.flash.err{background:#fee2e2;color:#991b1b}
.muted{color:var(--muted)}.err{color:var(--err)}.ok{color:var(--ok)}.warn{color:var(--warn)}
dl.kv{display:grid;grid-template-columns:180px 1fr;gap:6px 12px;margin:0}dl.kv dt{color:var(--muted)}dl.kv dd{margin:0;word-break:break-word}
iframe.preview{width:100%;height:520px;border:1px solid var(--line);border-radius:6px;background:#fff}
pre{background:#f3f4f6;padding:10px;border-radius:6px;overflow:auto;font-size:12px;white-space:pre-wrap;word-break:break-word}
.pager{display:flex;gap:10px;align-items:center;margin-top:10px;font-size:13px}
.key-once{background:#fef9c3;border:1px solid #fde047;padding:12px;border-radius:6px;font-family:ui-monospace,Menlo,monospace;word-break:break-all;font-size:13px}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin-bottom:14px}.tabs a{padding:8px 12px;border-bottom:2px solid transparent}.tabs a.active{border-color:var(--brand);font-weight:600}
.pill{display:inline-block;padding:1px 7px;border-radius:999px;font-size:11px;background:#eef2f7;color:#374151}

@media(max-width:900px){
  .grid.cols-4,.grid.cols-3,.grid.cols-2{grid-template-columns:1fr}
  nav.side{position:static;width:auto}main.with-side{margin:0;padding:14px}
  header.page{flex-direction:column;align-items:stretch}.actions{justify-content:flex-start}
  dialog.flyout,dialog.flyout.wide{width:100vw}
  dl.kv{grid-template-columns:1fr}
}