/* SMS Gateway design system. No script, no external fonts or images (CSP): everything here is CSS plus inline SVG.
   Tokens first; the accessibility test reads the first :root block and checks the text/background pairs. */
:root{--fg:#0f172a;--bg:#ffffff;--muted:#475569;--line:#e2e8f0;--line-strong:#cbd5e1;--accent:#1f74cc;--accent-hover:#155da8;--accent-soft:#eaf2fb;--test:#065f46;--test-bg:#ecfdf5;--live:#991b1b;--live-bg:#fef2f2;--warn:#92400e;--warn-bg:#fffbeb;--soft:#f8fafc;--page:#ffffff;--info:#1e40af;--info-bg:#eff6ff;--side:#ffffff;--side-fg:#475569;--side-muted:#64748b;--side-hover:#f1f5f9;--side-active:#eff6ff;--side-strong:#0f172a;--side-line:#e2e8f0;--side-icon:#1f74cc;--brand:#1f74cc;--code-bg:#0b1220;--code-fg:#e2e8f0;--chart-ok:#16a34a;--chart-fail:#dc2626;--chart-wait:#94a3b8;--chart-sandbox:#9cc3ec}


/* Base */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;font:14px/1.55 "Inter",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"Helvetica Neue",Arial,"Noto Sans Sinhala","Iskoola Pota","Noto Sans Tamil","Latha",sans-serif;color:var(--fg);background:var(--page);-webkit-font-smoothing:antialiased}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
h1,h2,h3,h4{line-height:1.25;margin:0;font-weight:650;letter-spacing:-.01em}
h1{font-size:24px}
h2{font-size:16px}
h3{font-size:14px}
h4{font-size:13px;color:var(--muted);text-transform:uppercase;letter-spacing:.04em;font-weight:600}
p{margin:0 0 12px}
ul,ol{margin:0 0 12px;padding-left:20px}
code,pre,kbd,.mono,.key{font-family:ui-monospace,"SF Mono",SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;font-size:12.5px}
code{background:var(--soft);border:1px solid var(--line);border-radius:4px;padding:1px 5px}
hr{border:0;border-top:1px solid var(--line);margin:20px 0}
small{font-size:12.5px}
:focus-visible{outline:3px solid var(--accent);outline-offset:2px;border-radius:4px}
.skip{position:absolute;left:-999px;top:8px;background:var(--bg);color:var(--fg);padding:8px 16px;z-index:100;border-radius:8px;box-shadow:0 4px 16px rgba(0,0,0,.2)}
.skip:focus{left:8px}
.i{width:18px;height:18px;flex:none;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;vertical-align:-4px}
.i-sm{width:15px;height:15px;vertical-align:-3px}
.i-lg{width:22px;height:22px}
.muted,.lede{color:var(--muted)}
.nowrap{white-space:nowrap}
.num{text-align:right;font-variant-numeric:tabular-nums;white-space:nowrap}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

/* App shell: dark sidebar, sticky top bar, content column */
.shell{display:grid;grid-template-columns:252px minmax(0,1fr);min-height:100vh}
.side{background:var(--side);border-right:1px solid var(--side-line);color:var(--side-fg);position:sticky;top:0;height:100vh;overflow-y:auto;display:flex;flex-direction:column;padding:14px 12px 16px}
.logo{display:flex;align-items:center;gap:10px;color:var(--side-strong);font-weight:700;font-size:15px;padding:6px 10px 14px;text-decoration:none;letter-spacing:-.01em}
.logo:hover{text-decoration:none}
.logo-mark{display:grid;place-items:center;width:30px;height:30px;border-radius:8px;background:linear-gradient(135deg,#3a8ade,#155da8);color:#fff;box-shadow:inset 0 0 0 1px rgba(255,255,255,.15)}
.logo-mark .i{width:17px;height:17px;stroke-width:2.2}
.logo small{display:block;font-weight:500;font-size:11.5px;color:var(--side-muted)}
.logo-mark.op{background:linear-gradient(135deg,#475569,#0f172a)}
.nav{display:flex;flex-direction:column;gap:1px}
.nav-h{font-size:11px;letter-spacing:.08em;text-transform:uppercase;color:var(--side-muted);margin:18px 10px 6px;font-weight:600}
.nav a{display:flex;align-items:center;gap:10px;padding:7px 10px;border-radius:7px;color:var(--side-fg);font-weight:500;text-decoration:none}
.nav a:hover{background:var(--side-hover);color:var(--side-strong)}
.nav a[aria-current="page"]{background:var(--side-active);color:var(--side-strong);box-shadow:inset 3px 0 0 var(--brand)}
.nav a[aria-current="page"] .i{color:var(--side-icon)}
.nav .count{margin-left:auto;background:#1f74cc;color:#fff;border-radius:999px;font-size:11px;font-weight:700;padding:0 7px;line-height:18px}
.side-foot{margin-top:auto;padding:12px 10px 0;border-top:1px solid var(--side-line);font-size:12px;color:var(--side-muted)}
.side-foot a{color:var(--side-fg)}
.main{display:flex;flex-direction:column;min-width:0}
.topbar{position:sticky;top:0;z-index:20;display:flex;align-items:center;justify-content:space-between;gap:16px;height:56px;padding:0 32px;background:var(--bg);border-bottom:1px solid var(--line)}
.topbar-l{display:flex;align-items:center;gap:10px;min-width:0;color:var(--muted)}
.topbar-l strong{color:var(--fg);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.topbar-r{display:flex;align-items:center;gap:12px}
.content{width:100%;max-width:1240px;padding:28px 32px 56px}
.foot{margin-top:auto;padding:16px 32px 24px;color:var(--muted);font-size:12.5px;border-top:1px solid var(--line)}

/* Account menu: a disclosure, so it works without script */
.menu{position:relative}
.menu>summary{list-style:none;display:flex;align-items:center;gap:8px;cursor:pointer;padding:4px 8px 4px 4px;border-radius:999px;border:1px solid var(--line)}
.menu>summary::-webkit-details-marker{display:none}
.menu>summary:hover{background:var(--soft)}
.avatar{display:grid;place-items:center;width:28px;height:28px;border-radius:50%;background:#e3eefa;color:#155da8;font-weight:700;font-size:12px;text-transform:uppercase}
.menu-panel{position:absolute;right:0;top:calc(100% + 8px);width:260px;background:var(--bg);border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 32px rgba(15,23,42,.14);padding:8px;z-index:30}
.menu-panel .who{padding:8px 10px 10px;border-bottom:1px solid var(--line);margin-bottom:6px}
.menu-panel .who strong{display:block;overflow-wrap:anywhere}
.menu-panel a,.menu-panel button{display:flex;width:100%;align-items:center;gap:10px;padding:8px 10px;border-radius:8px;color:var(--fg);background:none;border:0;font:inherit;cursor:pointer;text-align:left;margin:0;height:auto}
.menu-panel a:hover,.menu-panel button:hover{background:var(--soft);text-decoration:none;filter:none}
.menu-panel form{margin:0}

/* Page header: breadcrumb, title, description, actions */
.ph{display:flex;align-items:flex-end;justify-content:space-between;gap:16px 24px;flex-wrap:wrap;margin-bottom:24px}
.ph-t{min-width:0;flex:1 1 420px}
.ph h1{display:flex;align-items:center;flex-wrap:wrap;gap:10px}
.ph-desc{color:var(--muted);margin:6px 0 0;max-width:72ch}
.ph-actions{display:flex;flex-wrap:wrap;gap:8px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:4px;font-size:13px;color:var(--muted);margin:0 0 8px}
.crumbs a{color:var(--muted)}
.crumbs .i{width:14px;height:14px}

/* Buttons */
button,.btn{display:inline-flex;align-items:center;justify-content:center;gap:7px;height:36px;padding:0 14px;border-radius:8px;border:1px solid var(--accent);background:var(--accent);color:#fff;font-family:inherit;font-weight:600;font-size:13.5px;line-height:1;cursor:pointer;text-decoration:none;white-space:nowrap;transition:background .12s,border-color .12s,box-shadow .12s}
button:hover,.btn:hover{background:var(--accent-hover);border-color:var(--accent-hover);text-decoration:none}

button.secondary,.btn.secondary{background:var(--bg);color:var(--fg);border-color:var(--line-strong);box-shadow:0 1px 2px rgba(15,23,42,.05)}
button.secondary:hover,.btn.secondary:hover{background:var(--soft);border-color:var(--line-strong)}
button.danger,.btn.danger{background:var(--bg);color:var(--live);border-color:var(--line-strong)}
button.danger:hover,.btn.danger:hover{background:var(--live-bg);border-color:var(--live)}
button.danger-solid{background:#b91c1c;border-color:#b91c1c;color:#fff}
button.danger-solid:hover{background:#991b1b;border-color:#991b1b}
button.ghost,.btn.ghost{background:none;border-color:transparent;color:var(--accent)}
button.ghost:hover,.btn.ghost:hover{background:var(--accent-soft)}
button.link{background:none;border:0;color:var(--accent);padding:0;height:auto;font-weight:500}
button.sm,.btn.sm{height:30px;padding:0 10px;font-size:12.5px;border-radius:7px}
button:disabled,button[disabled]{opacity:.5;cursor:not-allowed}
form.inline{display:inline}

/* Forms */
label{display:block;font-weight:600;font-size:13px;margin:0 0 6px}
input,select,textarea{display:block;width:100%;font:inherit;color:var(--fg);background:var(--bg);border:1px solid var(--line-strong);border-radius:8px;padding:8px 11px;min-height:38px;transition:border-color .12s,box-shadow .12s}
textarea{min-height:96px;resize:vertical;line-height:1.5}
::placeholder{color:#94a3b8;opacity:1}
input:hover,select:hover,textarea:hover{border-color:#94a3b8}
input:focus,select:focus,textarea:focus{border-color:var(--accent);box-shadow:0 0 0 3px rgba(31,116,204,.18)}
input[type=checkbox],input[type=radio]{display:inline-block;width:16px;height:16px;min-height:0;margin:0 8px 0 0;vertical-align:-3px;accent-color:#1f74cc}
input[type=file]{padding:6px;background:var(--soft)}
input[type=search]{padding-left:34px}
.field{margin:0 0 18px}
.field:last-child{margin-bottom:0}
.hint{display:block;font-weight:400;font-size:12.5px;color:var(--muted);margin-top:5px}
label .hint{display:inline;margin:0 0 0 4px}
.opt{font-weight:400;color:var(--muted)}
.form-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:0 18px}
.form-actions{display:flex;flex-wrap:wrap;gap:8px;align-items:center;margin-top:20px}
.form-actions.end{justify-content:flex-end}
.check{display:flex;align-items:flex-start;gap:0;font-weight:500;font-size:13.5px;margin:4px 0 0;padding:12px 14px;border:1px solid var(--line);border-radius:8px;background:var(--soft)}
.check input{margin-top:2px}
fieldset{border:0;padding:0;margin:0 0 18px;min-width:0}
legend{font-weight:600;font-size:13px;padding:0;margin-bottom:8px}
.choices{display:grid;grid-template-columns:repeat(auto-fit,minmax(180px,1fr));gap:10px}
.choice{display:flex;gap:10px;align-items:flex-start;font-weight:600;padding:12px 14px;border:1px solid var(--line-strong);border-radius:10px;cursor:pointer;margin:0;background:var(--bg)}
.choice:hover{border-color:var(--accent)}
.choice input{margin-top:2px}
.choice span{display:block;font-weight:400;color:var(--muted);font-size:12.5px;margin-top:2px}
.choice:has(input:checked){border-color:var(--accent);box-shadow:0 0 0 1px var(--accent);background:var(--accent-soft)}
.search{position:relative}
.search input,.toolbar .search input{padding-left:34px}
.search .i{position:absolute;left:11px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}

/* Surfaces */
.card{background:var(--bg);border:1px solid var(--line);border-radius:12px;box-shadow:0 1px 2px rgba(15,23,42,.04);margin:0 0 20px;min-width:0}
.card-h{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;padding:14px 20px;border-bottom:1px solid var(--line)}
.card-h h2,.card-h h3{font-size:15px}
.card-h>div:first-child{flex:1 1 280px;min-width:0}
.card-h p{margin:2px 0 0;color:var(--muted);font-size:13px}
.card-b{padding:20px}
.card-f{padding:12px 20px;border-top:1px solid var(--line);background:var(--soft);border-radius:0 0 12px 12px;display:flex;gap:8px;flex-wrap:wrap;align-items:center;justify-content:space-between;font-size:13px}
.card.danger-zone{border-color:#fecaca}
.card.danger-zone .card-h{background:var(--live-bg);border-radius:12px 12px 0 0}
.grid{display:grid;gap:20px}
.g2{grid-template-columns:repeat(auto-fit,minmax(340px,1fr))}
.g3{grid-template-columns:repeat(auto-fit,minmax(260px,1fr))}
.g-main{grid-template-columns:minmax(0,1.5fr) minmax(340px,1fr);align-items:start}
.stack>*+*{margin-top:12px}
.split{display:grid;gap:20px;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));align-items:start}

/* KPI tiles */
.kpis{display:grid;grid-template-columns:repeat(auto-fit,minmax(200px,1fr));gap:16px;margin:0 0 20px}
.kpi{display:block;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:16px 18px;color:var(--fg);box-shadow:0 1px 2px rgba(15,23,42,.04);text-decoration:none}
a.kpi:hover{border-color:var(--accent);text-decoration:none}
.kpi-l{display:flex;align-items:center;gap:8px;color:var(--muted);font-size:13px;font-weight:500}
.kpi-v{display:block;font-size:28px;font-weight:700;letter-spacing:-.02em;margin:6px 0 2px;font-variant-numeric:tabular-nums;line-height:1.15}
.kpi-v small{font-size:14px;font-weight:600;color:var(--muted)}
.kpi-s{font-size:12.5px;color:var(--muted)}
.kpi.attention{border-color:#fcd34d;background:var(--warn-bg)}
.delta-up{color:var(--test);font-weight:600}
.delta-down{color:var(--live);font-weight:600}
.ico{display:inline-grid;place-items:center;width:30px;height:30px;border-radius:8px;background:var(--accent-soft);color:var(--accent)}
.ico.ok{background:var(--test-bg);color:var(--test)}
.ico.bad{background:var(--live-bg);color:var(--live)}
.ico.warn{background:var(--warn-bg);color:var(--warn)}
meter{width:100%;height:8px;margin-top:10px;display:block}
meter::-webkit-meter-bar{background:var(--soft);border:0;border-radius:99px;height:8px}
meter::-webkit-meter-optimum-value{background:var(--chart-ok);border-radius:99px}
meter::-webkit-meter-suboptimum-value{background:#f59e0b;border-radius:99px}
meter::-webkit-meter-even-less-good-value{background:var(--chart-fail);border-radius:99px}

/* Chart (server-rendered SVG) */
.chart{width:100%;height:auto;max-height:260px;display:block;margin-bottom:10px}
.chart .bar-ok{fill:var(--chart-ok)}
.chart .bar-fail{fill:var(--chart-fail)}
.chart .bar-wait{fill:var(--chart-wait)}
.chart .bar-sandbox{fill:var(--chart-sandbox)}
.chart .gridline{stroke:var(--line);stroke-width:1}
.chart text{fill:var(--muted);font-size:11px;font-family:inherit}
.legend{display:flex;flex-wrap:wrap;gap:6px 16px;font-size:12.5px;color:var(--muted);margin:0;padding:0;list-style:none}
.legend li{display:flex;align-items:center;gap:6px}
.sw{width:10px;height:10px;border-radius:3px;display:inline-block}
.sw-ok{background:var(--chart-ok)}.sw-fail{background:var(--chart-fail)}.sw-wait{background:var(--chart-wait)}.sw-sandbox{background:var(--chart-sandbox)}

/* Tables */
.table-wrap{overflow-x:auto;-webkit-overflow-scrolling:touch}
table{width:100%;border-collapse:separate;border-spacing:0;font-size:13.5px}
th{text-align:left;font-size:12px;font-weight:600;color:var(--muted);background:var(--soft);padding:9px 16px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:11px 16px;border-bottom:1px solid var(--line);vertical-align:middle}
tbody tr:last-child td,tbody tr:last-child th{border-bottom:0}
tbody tr:hover td{background:rgba(148,163,184,.07)}
.card>table:first-child th:first-child,.card>.table-wrap:first-child th:first-child{border-top-left-radius:12px}
.card>table:first-child th:last-child,.card>.table-wrap:first-child th:last-child{border-top-right-radius:12px}
th.num,td.num{text-align:right}
td.actions,th.actions{text-align:right;white-space:nowrap}
td.actions form{display:inline}
td .sub{display:block;color:var(--muted);font-size:12.5px}
td .key,td code{white-space:nowrap}
.kv{display:grid;grid-template-columns:minmax(140px,220px) 1fr;margin:0}
.kv dt,.kv dd{padding:11px 20px;border-bottom:1px solid var(--line);margin:0}
.kv dt{color:var(--muted);font-weight:500}
.kv dt:last-of-type,.kv dd:last-of-type{border-bottom:0}
.kv-simple th[scope=row]{background:none;color:var(--muted);font-weight:500;font-size:13.5px;width:40%;white-space:normal}
.table-empty td{padding:0}

/* Status pills */
.pill,.badge{display:inline-flex;align-items:center;gap:6px;padding:2px 9px;border-radius:999px;font-size:12px;font-weight:600;line-height:18px;white-space:nowrap;background:var(--soft);color:var(--fg);border:1px solid var(--line)}
.pill::before{content:"";width:6px;height:6px;border-radius:50%;background:currentColor;opacity:.85}
.pill.ok,.badge.ok,.badge-test{background:var(--test-bg);color:var(--test);border-color:#a7f3d0}
.pill.bad,.badge.bad,.badge-live{background:var(--live-bg);color:var(--live);border-color:#fecaca}
.pill.warn,.badge.warn{background:var(--warn-bg);color:var(--warn);border-color:#fde68a}
.pill.info,.badge.info{background:var(--info-bg);color:var(--info);border-color:#bfdbfe}
.pill.neutral,.badge.neutral{background:var(--soft);color:var(--muted)}

.tag{display:inline-block;font-size:11px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;padding:1px 6px;border-radius:4px;background:var(--soft);color:var(--muted);vertical-align:1px}
.tag.live{background:var(--live-bg);color:var(--live)}
.tag.test{background:var(--test-bg);color:var(--test)}

/* Callouts and alerts */
.callout,.alert{display:flex;gap:12px;align-items:flex-start;padding:12px 16px;border-radius:10px;border:1px solid var(--line);background:var(--bg);margin:0 0 16px;font-size:13.5px}
.callout>.i,.alert>.i{margin-top:1px}
.callout p:last-child{margin:0}
.callout strong:first-child{display:block;margin-bottom:2px}
.callout-b{flex:1;min-width:0}
.callout .btn{margin-left:auto}
.callout.info{background:var(--info-bg);border-color:#bfdbfe;color:var(--info)}
.callout.ok,.alert.ok{background:var(--test-bg);border-color:#a7f3d0;color:var(--test)}
.callout.warn{background:var(--warn-bg);border-color:#fde68a;color:var(--warn)}
.callout.bad,.alert.error{background:var(--live-bg);border-color:#fecaca;color:var(--live)}
.callout.info .callout-b,.callout.warn .callout-b,.callout.ok .callout-b,.callout.bad .callout-b{color:var(--fg)}

.banner{display:flex;align-items:center;gap:12px;flex-wrap:wrap;padding:10px 32px;background:var(--warn-bg);color:var(--fg);border-bottom:1px solid #fde68a;font-size:13.5px}
.banner .i{color:var(--warn)}
.banner a{font-weight:600}

/* Empty states */
.empty{text-align:center;padding:44px 24px}
.empty .ico{width:48px;height:48px;border-radius:12px;margin-bottom:14px}
.empty .ico .i{width:24px;height:24px}
.empty h2,.empty h3{font-size:15px;margin-bottom:6px}
.empty p{color:var(--muted);max-width:44ch;margin:0 auto 16px}

/* Get-started checklist */
.steps{list-style:none;margin:0;padding:0}
.steps li{display:flex;gap:14px;align-items:flex-start;padding:14px 20px;border-bottom:1px solid var(--line)}
.steps li:last-child{border-bottom:0}
.step-dot{flex:none;display:grid;place-items:center;width:26px;height:26px;border-radius:50%;border:2px solid var(--line-strong);color:var(--muted);font-weight:700;font-size:12px}
.steps .done .step-dot{background:var(--chart-ok);border-color:var(--chart-ok);color:#fff}
.steps .done .step-t{color:var(--muted);text-decoration:line-through;text-decoration-color:var(--line-strong)}
.step-t{font-weight:600}
.step-d{display:block;color:var(--muted);font-size:13px}
.steps li .btn{margin-left:auto}
.steps .grow{flex:1;min-width:0}
.steps .grow meter{max-width:280px;margin-top:6px}
.steps li>.ico{flex:none}
.queue-n{font-size:20px;font-weight:700;font-variant-numeric:tabular-nums;min-width:2ch;text-align:right}
progress{width:100%;max-width:320px;height:6px;margin-top:10px;appearance:none;border:0;border-radius:99px;background:var(--soft);overflow:hidden;display:block}
progress::-webkit-progress-bar{background:var(--soft)}
progress::-webkit-progress-value{background:var(--chart-ok);border-radius:99px}
progress::-moz-progress-bar{background:var(--chart-ok)}

/* Code and secrets */
pre,.code{background:var(--code-bg);color:var(--code-fg);border-radius:10px;padding:16px 18px;overflow-x:auto;margin:0;line-height:1.6;font-size:12.5px}
pre code{background:none;border:0;padding:0;color:inherit}
.code-h{display:flex;justify-content:space-between;align-items:center;background:#111a2b;color:#94a3b8;border-radius:10px 10px 0 0;padding:8px 14px;font-size:12px;font-weight:600}
.code-h+pre{border-radius:0 0 10px 10px}
.secret{border-radius:12px;padding:20px;margin:0 0 20px;border:1px solid}
.secret-test{background:var(--test-bg);border-color:#a7f3d0}
.secret-live{background:var(--live-bg);border-color:#fecaca}
.secret .key{display:block;padding:14px 16px;margin-top:12px;background:var(--bg);color:var(--fg);border:1px dashed var(--line-strong);border-radius:8px;font-size:14px;word-break:break-all;user-select:all}
.key{word-break:break-all}
.key-live{color:var(--live)}
.key-test{color:var(--test)}
.reason{font-style:italic}

/* Tabs, filters, pagination */
.tabs{display:flex;gap:4px;border-bottom:1px solid var(--line);margin:0 0 20px;overflow-x:auto}
.tabs a{padding:10px 12px;color:var(--muted);font-weight:500;border-bottom:2px solid transparent;margin-bottom:-1px;white-space:nowrap;text-decoration:none}
.tabs a:hover{color:var(--fg)}
.tabs a[aria-current="page"]{color:var(--fg);border-bottom-color:var(--accent);font-weight:600}
.toolbar,.filters{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;padding:14px 20px;border-bottom:1px solid var(--line)}
.toolbar>div,.filters>div{min-width:150px;flex:0 1 200px}
.toolbar label,.filters label{font-size:12px;color:var(--muted);font-weight:600;margin-bottom:4px}
.toolbar input,.toolbar select,.filters input,.filters select{min-height:34px;padding:6px 10px}
.toolbar .grow{flex:1 1 240px}
.toolbar button,.filters button{height:34px}
.pager{display:flex;justify-content:space-between;align-items:center;gap:12px;padding:12px 20px;border-top:1px solid var(--line);font-size:13px;color:var(--muted)}
details>summary{cursor:pointer}
details.disclose>summary{color:var(--accent);font-weight:600;list-style:none;display:inline-flex;align-items:center;gap:6px}
details.disclose>summary::-webkit-details-marker{display:none}
details.disclose[open]>summary{margin-bottom:10px}
td details[open]{min-width:240px;text-align:left}
td details .field{margin-bottom:10px}

/* Public pages: sign-in and marketing */
.pub{min-height:100vh;display:flex;flex-direction:column;background:var(--page)}
.pub-top{display:flex;justify-content:space-between;align-items:center;padding:16px 32px;max-width:1200px;width:100%;margin:0 auto}
.pub-top .logo{color:var(--fg);padding:0}
.pub-top .logo small{color:var(--muted)}
.pub-top nav{display:flex;gap:8px;align-items:center}
.pub-main{flex:1;width:100%;max-width:1200px;margin:0 auto;padding:24px 32px 48px}
.pub-foot{text-align:center;padding:24px;color:var(--muted);font-size:12.5px}
.auth{max-width:420px;margin:24px auto 0}
.auth .card-b{padding:28px}
.auth h1{font-size:22px;margin-bottom:6px}
.auth .lede{color:var(--muted);margin-bottom:22px}
.auth .alt{text-align:center;color:var(--muted);margin-top:18px}
.auth button[type=submit]{width:100%;height:40px;margin-top:4px}
.hero{display:grid;grid-template-columns:minmax(0,1.1fr) minmax(0,1fr);gap:48px;align-items:center;padding:40px 0 56px}
.hero h1{font-size:44px;line-height:1.08;letter-spacing:-.03em;margin-bottom:16px}
.hero .lede{font-size:17px;color:var(--muted);max-width:52ch;margin-bottom:24px}
.hero .btn{height:44px;padding:0 20px;font-size:15px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;color:var(--accent);background:var(--accent-soft);border-radius:999px;padding:4px 12px;margin-bottom:18px}
.features{display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;margin:0 0 48px}
.feature{background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:22px}
.feature h2{font-size:15px;margin:12px 0 6px}
.feature p{color:var(--muted);margin:0}
.ticks{list-style:none;padding:0;margin:0 0 24px}
.ticks li{display:flex;gap:8px;align-items:flex-start;margin-bottom:8px}
.ticks .i{color:var(--chart-ok);margin-top:2px}

/* Operator polish: failover chain, inline-form cards, status dots, sticky table heads */
.chain{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0 0 4px;padding:0}
.chain li{display:flex;align-items:center;gap:8px}
.chain li+li::before{content:"";width:18px;height:2px;background:var(--line-strong);border-radius:2px}
.chain-node{display:inline-flex;align-items:center;gap:8px;padding:8px 12px;border:1px solid var(--line-strong);border-radius:10px;background:var(--bg);font-weight:600}
.chain-node .n{display:grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--soft);color:var(--muted);font-size:11px;font-weight:700}
.chain-node.first{border-color:var(--accent);background:var(--accent-soft);box-shadow:0 0 0 1px var(--accent)}
.chain-node.first .n{background:var(--accent);color:#fff}
.dot{display:inline-flex;align-items:center;gap:7px;white-space:nowrap}
.dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--chart-wait);box-shadow:0 0 0 3px rgba(148,163,184,.18)}
.dot.ok::before{background:var(--chart-ok);box-shadow:0 0 0 3px rgba(22,163,74,.18)}
.dot.bad::before{background:var(--chart-fail);box-shadow:0 0 0 3px rgba(220,38,38,.18)}
.dot.warn::before{background:#f59e0b;box-shadow:0 0 0 3px rgba(245,158,11,.2)}
.card-b+.card-b{border-top:1px solid var(--line)}
.inline-form{display:grid;grid-template-columns:minmax(180px,1fr) minmax(240px,2fr) auto;gap:14px;align-items:end}
.inline-form .field{margin:0}
.inline-form button{height:38px}
.table-wrap{max-height:70vh}
.table-wrap thead th{position:sticky;top:0;z-index:1}
tbody tr{transition:background .1s}
.kpi{transition:border-color .12s,box-shadow .12s,transform .12s}
.card-h a{font-weight:600;font-size:13px}
.table-empty-msg{padding:28px 20px;text-align:center;color:var(--muted)}
@media (max-width:760px){.inline-form{grid-template-columns:1fr}}

/* Modern: white canvas, soft radii, layered shadows, rounded nav, quiet tables. Shared by the dashboard and the operator console. */
:root{--r:14px;--sh1:0 1px 2px rgba(16,24,40,.05);--sh2:0 1px 3px rgba(16,24,40,.06),0 8px 24px -8px rgba(16,24,40,.08);--ring:0 0 0 4px rgba(31,116,204,.14)}
body{font-feature-settings:"cv11","ss01";letter-spacing:-.005em}
.side{padding:18px 14px}
.logo{padding:4px 8px 18px}
.logo-mark{width:34px;height:34px;border-radius:10px;box-shadow:0 4px 10px -2px rgba(31,116,204,.4)}
.logo-mark.op{box-shadow:0 4px 10px -2px rgba(15,23,42,.3)}
.nav{gap:2px}
.nav-h{margin:22px 12px 8px;font-size:10.5px;letter-spacing:.1em}
.nav a{padding:8px 12px;border-radius:10px;gap:11px;font-size:13.5px}
.nav a .i{color:var(--side-muted);transition:color .12s}
.nav a:hover .i{color:var(--side-strong)}
.nav a[aria-current="page"]{box-shadow:none;background:var(--accent-soft);color:var(--accent);font-weight:600}
.nav a[aria-current="page"] .i{color:var(--accent)}
.topbar{height:60px;background:rgba(255,255,255,.86);backdrop-filter:saturate(1.6) blur(10px);border-bottom:1px solid var(--line)}
.content{padding:36px 40px 64px;max-width:1280px}
.ph{margin-bottom:28px}
.ph h1{font-size:28px;font-weight:700;letter-spacing:-.025em}
.ph-desc{font-size:14.5px}
.card{border-radius:var(--r);box-shadow:var(--sh1);border-color:var(--line)}
.card:hover{box-shadow:var(--sh2)}
.card-h{padding:18px 24px}
.card-h h2,.card-h h3{font-size:15.5px;font-weight:650}
.card-b{padding:24px}
.card-f{background:var(--soft);border-radius:0 0 var(--r) var(--r)}
.kpi{border-radius:var(--r);box-shadow:var(--sh1);padding:20px 22px}
a.kpi:hover{box-shadow:var(--sh2);transform:translateY(-1px)}
.kpi .ico{width:34px;height:34px;border-radius:10px}
.kpi-l{font-size:13px}
.kpi-v{font-size:32px;font-weight:700;letter-spacing:-.03em;margin:12px 0 4px}
.kpi-s{font-size:12.5px;line-height:1.45}
.kpis{gap:18px;margin-bottom:24px}
.ico{border-radius:10px}
button,.btn{height:38px;border-radius:10px;padding:0 16px;box-shadow:0 1px 2px rgba(16,24,40,.12),inset 0 1px 0 rgba(255,255,255,.14)}
button.secondary,.btn.secondary{box-shadow:var(--sh1)}
button.ghost,.btn.ghost,button.link,button.danger{box-shadow:none}
button.sm,.btn.sm{height:30px;border-radius:8px}
button:active,.btn:active{transform:translateY(.5px)}
input,select,textarea{border-radius:10px;min-height:40px;box-shadow:var(--sh1)}
input:focus,select:focus,textarea:focus{box-shadow:var(--ring);border-color:var(--accent)}
.toolbar input,.toolbar select,.filters input,.filters select{min-height:36px}
.choice,.check{border-radius:12px}
th{background:var(--bg);color:var(--muted);font-size:11.5px;letter-spacing:.05em;text-transform:uppercase;border-bottom:1px solid var(--line);padding:12px 16px}
td{padding:14px 16px}
tbody tr:hover td{background:var(--soft)}
.card>table:first-child th:first-child,.card>.table-wrap:first-child th:first-child{border-top-left-radius:var(--r)}
.card>table:first-child th:last-child,.card>.table-wrap:first-child th:last-child{border-top-right-radius:var(--r)}
.pill,.badge{padding:2px 10px;box-shadow:none}
.tag{border-radius:6px}
.callout,.alert{border-radius:12px}
.tabs{gap:6px}
.tabs a{border-radius:8px 8px 0 0;padding:10px 14px}
.menu>summary{border-color:var(--line);box-shadow:var(--sh1)}
.menu-panel{border-radius:14px;box-shadow:0 16px 40px -8px rgba(16,24,40,.18);padding:8px}
.empty .ico{width:56px;height:56px;border-radius:16px;box-shadow:0 0 0 8px var(--accent-soft)}
.empty .ico.ok,.empty .ico.warn,.empty .ico.bad{box-shadow:none}
.steps li{padding:16px 24px}
.steps li:hover{background:var(--soft)}
.steps .done .step-dot{box-shadow:0 0 0 4px rgba(22,163,74,.14)}
progress,meter{height:8px}
pre{border-radius:12px}
.chart .day .hit{fill:transparent}
.chart .day:hover .hit{fill:rgba(148,163,184,.14)}
.chart .gridline{stroke-dasharray:3 4}
.chart .bar-ok,.chart .bar-fail,.chart .bar-wait,.chart .bar-sandbox{rx:3}
.hero h1{font-size:48px;letter-spacing:-.035em}
.feature,.auth .card{border-radius:16px}
.chain-node{border-radius:12px;box-shadow:var(--sh1)}

/* Floating-card layout: grey canvas, white rounded header, sidebar and content cards */
:root{--page:#f4f4f5;--pill:#1f74cc;--pill-hover:#155da8;--on-pill:#fff;--rc:24px}
body{background:var(--page)}
.shell{grid-template-columns:272px minmax(0,1fr);grid-template-rows:auto 1fr;gap:20px;padding:16px;min-height:100vh;align-items:start}
.head{grid-column:1/-1;display:flex;align-items:center;gap:24px;background:var(--bg);border-radius:var(--rc);padding:14px 24px}
.head .logo{padding:0;color:var(--fg)}
.head .logo small{color:var(--muted)}
.head .topbar{position:static;flex:1;height:auto;padding:0;border:0;background:none;backdrop-filter:none}
.head .topbar-l{padding-left:24px;border-left:1px solid var(--line)}
.side{position:sticky;top:16px;height:auto;max-height:calc(100vh - 32px);border:0;border-radius:var(--rc);padding:20px 16px;background:var(--bg)}
.nav{gap:4px}
.nav-h{text-transform:none;letter-spacing:0;font-size:14px;font-weight:500;color:var(--muted);margin:22px 12px 8px}
.nav-h:first-child{margin-top:4px}
.nav a{padding:12px 16px;border-radius:14px;font-size:14.5px;gap:14px;font-weight:500;color:var(--fg)}
.nav a .i{color:var(--fg)}
.nav a:hover{background:var(--soft);color:var(--fg)}
.nav a[aria-current="page"]{background:var(--pill);color:var(--on-pill);box-shadow:none;font-weight:600}
.nav a[aria-current="page"] .i{color:var(--on-pill)}
.nav .count{background:#e3eefa;color:#155da8}
.side-foot{border-top:1px solid var(--line);padding:14px 12px 0}
.main{min-width:0}
.content{padding:4px 4px 40px;max-width:none;margin:0}
.ph{margin-bottom:20px}
.ph h1{font-size:34px;letter-spacing:-.03em}
.card,.kpi,.feature,.auth .card{border:0;border-radius:var(--rc);box-shadow:none}
.card:hover,a.kpi:hover{box-shadow:none;transform:none}
.card-h{padding:22px 28px 14px;border-bottom:0}
.card-h h2,.card-h h3{font-size:19px;font-weight:650;letter-spacing:-.01em}
.card-b{padding:8px 28px 28px}
.card-f{border-radius:0 0 var(--rc) var(--rc)}
.banner{border-radius:16px;margin:0 0 16px;border:0}
.callout,.alert{border-radius:16px}
.kpis{gap:16px}
.kpi{padding:24px;background:var(--bg)}
.kpi::before{display:none}
.kpi-l{flex-direction:row-reverse;justify-content:space-between;font-size:15px;color:var(--fg);font-weight:500}
.kpi .ico{width:44px;height:44px;border-radius:50%;background:var(--page);color:var(--fg)}
.kpi .ico.ok{color:var(--test)}.kpi .ico.bad{color:var(--live)}.kpi .ico.warn{color:var(--warn)}
.kpi-v{font-size:44px;font-weight:600;letter-spacing:-.04em;margin:6px 0 10px}
.kpi-v small{font-size:15px}
.kpi-s{font-size:13.5px}
.kpi.attention{background:var(--warn-bg)}
.kpi.attention .ico{background:#fff}
th{background:var(--soft);color:var(--muted);text-transform:none;letter-spacing:0;font-size:14px;font-weight:500;border-bottom:0;padding:14px 16px}
th:first-child{border-radius:14px 0 0 14px}th:last-child{border-radius:0 14px 14px 0}
.table-wrap{padding:0 12px 12px}
.card>table{margin:0 12px 12px;width:calc(100% - 24px)}
td{border-bottom:1px solid var(--soft);padding:16px}
.card>table:first-child th:first-child,.card>.table-wrap:first-child th:first-child{border-top-left-radius:14px}
.card>table:first-child th:last-child,.card>.table-wrap:first-child th:last-child{border-top-right-radius:14px}
.toolbar,.filters{border-bottom:0;padding:6px 28px 18px}
button,.btn{border-radius:999px;height:40px;padding:0 20px;box-shadow:none}
button.sm,.btn.sm{height:32px;padding:0 14px;border-radius:999px}
button.secondary,.btn.secondary{border-color:var(--line);background:var(--bg);box-shadow:none}
button.secondary:hover,.btn.secondary:hover{background:var(--soft)}
button,.btn{background:var(--pill);border-color:var(--pill);color:var(--on-pill)}
button:hover,.btn:hover{background:var(--pill-hover);border-color:var(--pill-hover)}
button.secondary,.btn.secondary{background:var(--bg);border-color:var(--line);color:var(--fg)}
button.ghost,.btn.ghost{background:none;border-color:transparent;color:var(--accent)}
button.danger{background:var(--bg);border-color:var(--line);color:var(--live)}
button.link{background:none;border:0;color:var(--accent)}
.menu>summary{border-radius:999px;border:0;background:var(--soft);box-shadow:none;padding:5px 10px 5px 5px}
.search input,input[type=search]{border-radius:999px}
input,select,textarea{border-color:var(--line);box-shadow:none;background:var(--bg)}
.toolbar input,.toolbar select{border-radius:999px;background:var(--bg)}
.pill,.badge{border:0}
.pill.ok,.badge.ok{background:#dcfce7}.pill.bad,.badge.bad{background:#fee2e2}.pill.warn,.badge.warn{background:#fef3c7}
.pill.neutral,.badge.neutral,.pill,.badge{background:var(--soft)}
.pill.ok,.badge.ok,.badge-test{background:#dcfce7}.pill.bad,.badge.bad,.badge-live{background:#fee2e2}.pill.warn,.badge.warn{background:#fef3c7}.pill.info,.badge.info{background:var(--info-bg)}
.steps li{padding:16px 28px}
.chart .gridline{stroke:var(--line);stroke-dasharray:4 5}
.empty .ico{box-shadow:none;background:var(--page)}
.chain-node{box-shadow:none;border-color:var(--line)}
.chain-node.first{background:var(--accent-soft);border-color:var(--pill);box-shadow:none}
.chain-node.first .n{background:var(--pill);color:var(--on-pill)}
.foot{border:0;background:none;padding:8px 4px 0}
.kv dt,.kv dd{border-color:var(--soft)}
.tabs a[aria-current="page"]{border-bottom-color:var(--pill)}

/* Responsive: the sidebar becomes a scrolling strip; tables scroll inside their card */
@media (max-width:960px){
  .shell{grid-template-columns:minmax(0,1fr);padding:10px;gap:12px}
  .head{padding:12px 16px;gap:12px;flex-wrap:wrap}
  .head .logo small,.head .topbar-l{display:none}
  .side{position:static;max-height:none;padding:8px;overflow:hidden;min-width:0}
  .nav{flex-direction:row;overflow-x:auto;gap:4px;scrollbar-width:none}
  .nav-h,.side-foot,.nav .count{display:none}
  .nav a{white-space:nowrap;padding:8px 14px}
  .kpis{grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
  .g2,.g3,.split,.g-main{grid-template-columns:minmax(0,1fr)}
  .content{padding:4px 4px 32px}
  .ph h1{font-size:28px}
  .kpi-v{font-size:36px}
  .hero{grid-template-columns:1fr;gap:28px;padding-top:16px}
  .hero h1{font-size:32px}
  .pub-top,.pub-main{padding-left:16px;padding-right:16px}
}
@media (max-width:560px){
  .topbar-l span.sep,.topbar-l .crumb-extra{display:none}
  .kv{grid-template-columns:1fr}
  .kv dt{border-bottom:0;padding-bottom:0}
  .ph-actions{width:100%}
  .card-b{padding:16px}
}
@media print{.skip,.side,.topbar,.banner,.foot,.noprint,.ph-actions{display:none!important}.shell{display:block}body{background:#fff;color:#000}.card{box-shadow:none}}
@media (prefers-reduced-motion:reduce){*,*::before,*::after{transition-duration:.01ms!important;animation-duration:.01ms!important;scroll-behavior:auto!important}}

/* Data table: sortable headers and numbered pager (no script) */
th.sortable{padding:0}
th.sortable a.sort{display:flex;align-items:center;gap:6px;padding:9px 16px;color:inherit;text-decoration:none}
th.sortable.num a.sort{justify-content:flex-end}
th.sortable a.sort:hover{color:var(--fg)}
th.sortable a.sort.on{color:var(--fg)}
th.sortable .arrow{font-size:10px;opacity:.45}
th.sortable a.sort.on .arrow{opacity:1;color:var(--accent)}
.pager .pages{display:flex;flex-wrap:wrap;align-items:center;gap:6px}
.pager .cur{cursor:default}

/* Messages toolbar: search row on top, filters in an even grid below */
.dt-toolbar{display:grid;grid-template-columns:repeat(auto-fit,minmax(170px,1fr));gap:14px 16px;align-items:end;padding:18px 20px;background:var(--soft);border-radius:12px 12px 0 0}
.dt-toolbar>div{min-width:0;flex:none}
.dt-toolbar .dt-search{grid-column:1/-1;display:flex;flex-wrap:wrap;gap:10px;align-items:center}
.dt-search-box{position:relative;flex:1 1 320px;display:block}
.dt-search-box .i{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none}
.dt-toolbar .dt-search-box input{padding-left:36px;min-height:40px;border-radius:10px;background:var(--bg)}
.dt-toolbar .dt-search .btn,.dt-toolbar .dt-search button{height:40px}
.dt-toolbar label{margin-bottom:5px}
.dt-toolbar select,.dt-toolbar input{background-color:var(--bg);border-radius:8px;min-height:38px}
.msg-body{white-space:pre-wrap;overflow-wrap:anywhere;background:var(--soft);border:1px solid var(--line);border-radius:8px;padding:10px 12px;max-width:60ch}
.msg-col{max-width:360px;width:30%}
.snippet{display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:360px;color:var(--muted);text-decoration:none}
a.snippet:hover{color:var(--fg);text-decoration:none}

/* Messages table header: stronger, easier to read, sticky while scrolling */
.card .table-wrap{max-height:70vh;overflow:auto}
.card thead th{position:sticky;top:0;z-index:2;background:#eef2f7;color:var(--fg);font-size:12px;font-weight:700;letter-spacing:.04em;text-transform:uppercase;border-bottom:2px solid var(--line-strong);padding-top:12px;padding-bottom:12px}
.card thead th.sortable{padding:0}
th.sortable a.sort{padding:12px 16px;gap:8px}
th.sortable a.sort:hover{background:#e2e8f0}
th.sortable .arrow{font-size:11px;opacity:.7;color:var(--muted)}
th.sortable a.sort.on{color:var(--accent)}
th.sortable a.sort.on .arrow{opacity:1;color:var(--accent)}
th.sortable[aria-sort=ascending],th.sortable[aria-sort=descending]{box-shadow:inset 0 -3px 0 var(--accent)}

/* Row selection and erase bar */
th.sel,td.sel{width:36px;padding-right:0}
td.sel input{margin:0}
.erase-bar{display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;padding:12px 20px;border-top:1px solid var(--line);background:var(--soft)}
.erase-confirm{display:flex;align-items:center;margin:0;font-weight:500;font-size:13px}

/* Landing page sections */
.lp-section{margin:0 0 56px}
.lp-section>h2{font-size:28px;letter-spacing:-.02em;margin:0 0 8px}
.lp-section>.lede{margin:0 0 24px;max-width:62ch}
.feature h3{font-size:15px;margin:12px 0 6px}
.feature .pill{margin-bottom:8px}
.lp-steps{list-style:none;counter-reset:s;display:grid;grid-template-columns:repeat(auto-fit,minmax(240px,1fr));gap:20px;padding:0;margin:20px 0 0}
.lp-steps li{counter-increment:s;background:var(--bg);border:1px solid var(--line);border-radius:12px;padding:22px;display:flex;flex-direction:column;gap:6px}
.lp-steps li::before{content:counter(s);display:grid;place-items:center;width:30px;height:30px;border-radius:50%;background:var(--accent-soft);color:var(--accent);font-weight:700}
.lp-steps span{color:var(--muted)}
.lp-faq{display:grid;gap:10px;max-width:760px;margin-top:20px}
.lp-faq details{background:var(--bg);border:1px solid var(--line);border-radius:10px;padding:14px 18px}
.lp-faq summary{cursor:pointer;font-weight:600}
.lp-faq p{margin:10px 0 0;color:var(--muted)}
.lp-cta{text-align:center;background:var(--accent-soft);border:1px solid var(--line);border-radius:16px;padding:40px 24px;margin-bottom:24px}
.lp-cta h2{font-size:26px;margin:0 0 6px}
.lp-cta p{color:var(--muted)}
.lp-cta .btn{height:44px;padding:0 20px;font-size:15px}
html{scroll-behavior:smooth}
@media (max-width:720px){.hero{grid-template-columns:1fr}.hero h1{font-size:34px}}