:root{
  --ink:#1d2430;--muted:#6b7280;--line:#dde2ea;--bg:#f4f6f9;--card:#fff;
  --brand:#1f3a5f;--brand-2:#2c5282;--ok:#17703a;--ok-bg:#e5f5ea;--bad:#b42318;--bad-bg:#fdecea;--warn:#a15c00;--warn-bg:#fff4e0;
  --radius:6px;
}
*{box-sizing:border-box}
body{font:14px/1.45 system-ui,-apple-system,"Segoe UI",sans-serif;margin:0;color:var(--ink);background:var(--bg)}
a{color:var(--brand-2)}
code{font-size:12.5px;background:#eef1f5;padding:1px 4px;border-radius:3px;word-break:break-all}

/* header */
header.top{background:var(--brand);color:#fff;padding:0 16px;display:flex;gap:6px;align-items:center;min-height:48px;flex-wrap:wrap;position:sticky;top:0;z-index:5}
header.top .brand{color:#fff;font-weight:700;text-decoration:none;margin-right:12px;white-space:nowrap}
header.top nav{display:flex;gap:2px;flex-wrap:wrap;align-items:center}
header.top nav a{color:#dbe6f5;text-decoration:none;padding:6px 10px;border-radius:4px;font-weight:500}
header.top nav a:hover{background:rgba(255,255,255,.1);color:#fff}
header.top nav a.on{background:rgba(255,255,255,.18);color:#fff}
header.top nav .sep{width:1px;height:18px;background:rgba(255,255,255,.25);margin:0 6px}
header.top .right{margin-left:auto;display:flex;gap:8px;align-items:center}
header.top button.clock{font-family:ui-monospace,monospace;background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.3)}
header.top button.clock.frozen{border-color:#f6c35b;color:#f6c35b}
header.top button.ghost{background:none;color:#fff;border:1px solid rgba(255,255,255,.35)}

main{padding:18px 20px 40px;max-width:1360px;margin:0 auto}
h1.title{font-size:21px;margin:4px 0 14px}
h2{font-size:17px;margin:0 0 10px}
h3{font-size:15px;margin:22px 0 8px}
.card h3:first-child,.card h2:first-child{margin-top:0}
p{margin:6px 0 10px}

/* messages */
.flash,.error,.warn{padding:8px 12px;border-radius:var(--radius);margin:0 0 12px}
.flash{background:var(--ok-bg);border:1px solid #9fd5b0}
.error{background:var(--bad-bg);border:1px solid #f0aaa3}
.warn{background:var(--warn-bg);border:1px solid #f1c27d}
.muted{color:var(--muted)}.small{font-size:12px}

/* cards and layout */
.card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:14px 16px;margin:0 0 16px}
.grid{display:grid;gap:16px;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));margin-bottom:16px;align-items:start}
.grid .card{margin:0}
.stats{display:grid;gap:12px;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));margin-bottom:16px}
.stat{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px;text-decoration:none;color:inherit;display:block}
a.stat:hover{border-color:var(--brand-2)}
.stat .n{font-size:24px;font-weight:700}.stat .l{color:var(--muted);font-size:12px;text-transform:uppercase;letter-spacing:.03em}
.stat.alert{border-color:#f0aaa3;background:var(--bad-bg)}
.toolbar{display:flex;gap:8px;flex-wrap:wrap;align-items:center;margin:0 0 14px}
.toolbar .spacer{flex:1}
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:0 0 14px}
.tabs a{padding:7px 14px;text-decoration:none;color:var(--muted);border:1px solid transparent;border-bottom:0;border-radius:var(--radius) var(--radius) 0 0;margin-bottom:-1px}
.tabs a.on{background:var(--card);border-color:var(--line);color:var(--ink);font-weight:600}
.row{display:flex;gap:8px;align-items:center;flex-wrap:wrap}

/* tables */
table{border-collapse:collapse;width:100%;background:var(--card);margin:6px 0 16px;border:1px solid var(--line);border-radius:var(--radius)}
th,td{border-bottom:1px solid var(--line);padding:6px 8px;text-align:left;vertical-align:top}
th{background:#f0f3f7;font-weight:600;font-size:12.5px;color:#374151}
tr:last-child td{border-bottom:0}
tbody tr:hover td,table tr:hover td{background:#fafbfd}
td.actions{white-space:nowrap;text-align:right;width:1%}
table.kv th{width:200px}
.card table{border:0;margin:0}
pre{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:8px;overflow:auto;white-space:pre-wrap;word-break:break-all;max-height:420px;margin:0}

/* statuses and badges */
.ACCEPT,.accepted,.delivered{color:var(--ok)}.REJECT,.FAILED,.failed{color:var(--bad)}.PENDING,.queued,.inflight{color:var(--warn)}
.badge{display:inline-block;font-size:11px;font-weight:600;padding:1px 7px;border-radius:10px;background:#e8ecf2;color:#374151;margin:0 2px;white-space:nowrap;vertical-align:1px}
.badge.ok{background:var(--ok-bg);color:var(--ok)}.badge.bad{background:var(--bad-bg);color:var(--bad)}.badge.warn{background:var(--warn-bg);color:var(--warn)}
.badge.info{background:#e6eefb;color:var(--brand-2)}
.urls{font-family:ui-monospace,monospace;font-size:12px;word-break:break-all}

/* forms and buttons */
input[type=text],input[type=search],input[type=date],input[type=password],select,textarea{font:inherit;padding:5px 8px;border:1px solid #c5ccd8;border-radius:4px;background:#fff;max-width:100%}
input[type=text]{width:9em}
input:focus,select:focus,textarea:focus{outline:2px solid #9ec1f0;outline-offset:0;border-color:var(--brand-2)}
input.w3{width:3.5em}input.w4{width:4.5em}input.w6{width:6.5em}input.w13{width:13em}input.w30{width:30em}
button,.btn{font:inherit;padding:5px 12px;border:1px solid #c5ccd8;border-radius:4px;background:#fff;color:var(--ink);cursor:pointer;text-decoration:none;display:inline-block;line-height:1.4}
button:hover,.btn:hover{border-color:var(--brand-2)}
button.primary,.btn.primary{background:var(--brand-2);border-color:var(--brand-2);color:#fff}
button.primary:hover{background:var(--brand)}
button.danger{color:var(--bad);border-color:#f0aaa3}
button.danger.solid{background:var(--bad);color:#fff;border-color:var(--bad)}
button.sm,.btn.sm{padding:2px 9px;font-size:12.5px}
button:disabled{opacity:.5;cursor:not-allowed}
form.inline{display:inline}
fieldset{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);margin:0 0 16px;padding:12px 14px}
legend{font-weight:600;padding:0 4px}
label.check{display:inline-flex;gap:6px;align-items:center}
.form-grid{display:grid;grid-template-columns:max-content minmax(240px,1fr);gap:10px 14px;align-items:center}
.form-grid input[type=text],.form-grid select,.form-grid input[type=date]{width:100%}
.form-grid .hint{grid-column:2;color:var(--muted);font-size:12px;margin-top:-6px}
.form-grid .full{grid-column:1/-1}
.form-grid > label{font-weight:500}

/* modals */
dialog.modal{border:0;border-radius:8px;padding:0;width:min(640px,94vw);max-height:90vh;box-shadow:0 20px 50px rgba(15,23,42,.35);color:var(--ink)}
dialog.modal.wide{width:min(860px,96vw)}
dialog.modal::backdrop{background:rgba(15,23,42,.45)}
dialog.modal > .box{display:flex;flex-direction:column;max-height:90vh}
dialog.modal .head{display:flex;align-items:center;gap:8px;padding:12px 16px;border-bottom:1px solid var(--line)}
dialog.modal .head h2{margin:0;font-size:16px;flex:1}
dialog.modal .head .x{border:0;background:none;font-size:20px;line-height:1;padding:2px 6px;color:var(--muted)}
dialog.modal .body{padding:14px 16px;overflow:auto}
dialog.modal .foot{display:flex;justify-content:flex-end;gap:8px;padding:10px 16px;border-top:1px solid var(--line);background:#f8f9fb;border-radius:0 0 8px 8px}
dialog.modal .body > p:first-child{margin-top:0}

/* login */
body.login{display:flex;min-height:100vh;align-items:center;justify-content:center}
body.login .box{background:#fff;border:1px solid var(--line);border-radius:8px;padding:24px 28px;width:330px;box-shadow:0 8px 30px rgba(15,23,42,.08)}
body.login h1{font-size:18px;margin:0 0 16px}
body.login label{display:block;font-size:12px;color:#555;margin:10px 0 4px}
body.login input{width:100%}
body.login button{margin-top:16px;background:var(--brand);color:#fff;border-color:var(--brand)}
details.card summary{cursor:pointer;font-weight:600}
details.card[open] summary{margin-bottom:8px}
dialog.modal .foot .spacer{flex:1}
details summary{cursor:pointer}
dialog.modal:focus,dialog.modal:focus-visible{outline:none}
.form-grid .row{flex-wrap:nowrap}
.form-grid .row input[type=text]{width:auto;flex:1;min-width:0}
.form-grid input.w3{width:3.5em;flex:none}.form-grid input.w4{width:4.5em;flex:none}
.form-grid input.w6{width:6.5em;flex:none}.form-grid input.w13{width:13em;flex:none}