*{box-sizing:border-box}
body{margin:0;font-family:system-ui,-apple-system,Segoe UI,Roboto,Helvetica,Arial,sans-serif;background:#f6f7fb;color:#1f2330;line-height:1.45}
a{color:#2b5bd7;text-decoration:none}a:hover{text-decoration:underline}
.topbar{display:flex;align-items:center;gap:2em;padding:.9em 1.6em;background:#1a1f2e;color:#fff;box-shadow:0 2px 6px rgba(0,0,0,.08)}
.topbar a{color:#fff}
.topbar .brand a{font-weight:700;font-size:1.15em}
.topbar .env{color:#9aa4bd;font-size:.8em;margin-left:.5em}
.topbar nav{display:flex;gap:1.2em}
.container{max-width:1200px;margin:1.5em auto;padding:0 1.5em}
h1{margin:.2em 0 1em}
h2{margin-top:2em;border-bottom:1px solid #e2e5ef;padding-bottom:.3em}
.cards{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:1em;margin-bottom:1.5em}
.card{background:#fff;border-radius:10px;padding:1em 1.2em;box-shadow:0 1px 3px rgba(10,20,40,.06);margin-bottom:1em}
.card h3{margin:0 0 .4em;font-size:.95em;color:#5a6278;text-transform:uppercase;letter-spacing:.05em}
.big{font-size:2em;margin:.1em 0;font-weight:700}
.ok{color:#16a34a}.err{color:#dc2626}
.muted{color:#7b8299}
.error{color:#dc2626}
.grid{width:100%;border-collapse:collapse;background:#fff;border-radius:10px;overflow:hidden;box-shadow:0 1px 3px rgba(10,20,40,.06)}
.grid th,.grid td{padding:.55em .8em;text-align:left;border-bottom:1px solid #eef0f6;font-size:.92em;vertical-align:top}
.grid th{background:#f3f4fa;font-weight:600;color:#40465c;font-size:.82em;text-transform:uppercase;letter-spacing:.03em}
.grid tr:last-child td{border-bottom:0}
code{background:#f0f2f9;padding:.08em .35em;border-radius:4px;font-size:.9em}
.mono-xl{font-family:ui-monospace,Menlo,Consolas,monospace;font-size:1.05em;background:#fffbea;padding:.5em .7em;border-radius:6px;display:inline-block;margin-top:.5em;user-select:all}
.status{padding:.15em .55em;border-radius:12px;font-size:.78em;font-weight:600;text-transform:uppercase;letter-spacing:.04em}
.status-sent{background:#dcfce7;color:#166534}
.status-failed{background:#fee2e2;color:#991b1b}
.status-queued{background:#fef3c7;color:#92400e}
.alert{padding:.8em 1em;border-radius:8px;margin-bottom:1em}
.alert.ok{background:#dcfce7;color:#14532d;border:1px solid #86efac}
.alert.err{background:#fee2e2;color:#7f1d1d;border:1px solid #fca5a5}
.form{display:flex;flex-direction:column;gap:.8em;max-width:600px;background:#fff;padding:1.2em;border-radius:10px;box-shadow:0 1px 3px rgba(10,20,40,.06)}
.form.inline{flex-direction:row;flex-wrap:wrap;align-items:center;max-width:none}
.form label{display:flex;flex-direction:column;gap:.25em;font-size:.88em;color:#40465c;font-weight:500}
.form input,.form select,.form textarea{padding:.55em .7em;border:1px solid #d0d5e2;border-radius:6px;font-size:.95em;font-family:inherit}
.form textarea{resize:vertical;font-family:ui-monospace,Menlo,Consolas,monospace}
.form .preview{padding:.5em .7em;background:#f3f4fa;border-radius:6px;font-size:.88em}
.btn{background:#2b5bd7;color:#fff;border:0;padding:.6em 1.2em;border-radius:6px;font-weight:600;cursor:pointer;font-size:.95em}
.btn:hover{background:#1e48b5}
.btn-danger{background:#dc2626;color:#fff;border:0;padding:.3em .7em;border-radius:5px;cursor:pointer;font-size:.82em}
.filters{display:flex;gap:.6em;margin-bottom:1em;align-items:center}
.filters select{padding:.45em .7em;border:1px solid #d0d5e2;border-radius:6px}
.kv{width:100%;border-collapse:collapse}
.kv th{text-align:left;width:180px;padding:.3em .5em;color:#5a6278;font-weight:500;font-size:.88em}
.kv td{padding:.3em .5em;font-size:.92em}
.pre{background:#0f172a;color:#e2e8f0;padding:1em;border-radius:8px;overflow-x:auto;font-size:.82em;line-height:1.4}
details summary{cursor:pointer;color:#2b5bd7;user-select:none;margin:.5em 0}
.warn{color:#b45309}
.alert.warn{background:#fef3c7;color:#92400e;border:1px solid #fcd34d}
.card.card-warn{border-left:4px solid #f59e0b}
.card.card-err{border-left:4px solid #dc2626}