:root {
  --bg: #f6f7f9; --card: #ffffff; --text: #14181f; --muted: #667085; --line: #e4e7ec;
  --ok: #16a34a; --warn: #d97706; --bad: #dc2626; --maint: #2563eb; --unk: #98a2b3;
  --accent: #2563eb; --radius: 12px;
}
@media (prefers-color-scheme: dark) {
  :root {
    --bg: #0e1116; --card: #161b22; --text: #e6e9ef; --muted: #8b95a5; --line: #262d38;
    --ok: #22c55e; --warn: #f59e0b; --bad: #ef4444; --maint: #60a5fa; --unk: #5b6472;
    --accent: #60a5fa;
  }
}
* { box-sizing: border-box; }
body { margin: 0; background: var(--bg); color: var(--text); font: 16px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif; }
.wrap { max-width: 820px; margin: 0 auto; padding: 24px 16px 64px; }
h1 { font-size: 1.5rem; margin: 0; }
h2 { font-size: 1.05rem; margin: 32px 0 12px; }
h2 small, label small, .muted { color: var(--muted); font-weight: 400; }
.top { display: flex; align-items: center; justify-content: space-between; gap: 12px; margin-bottom: 20px; }

.btn { font: inherit; padding: 8px 14px; border-radius: 8px; border: 1px solid var(--line); background: var(--card); color: var(--text); cursor: pointer; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.danger { color: var(--bad); }
.btn.ghost { background: transparent; }
.btn:disabled { opacity: .6; cursor: default; }
.btn.sm { padding: 4px 10px; font-size: .85rem; }

.banner { padding: 18px 20px; border-radius: var(--radius); color: #fff; font-weight: 600; font-size: 1.1rem; background: var(--ok); }
.banner.degraded { background: var(--warn); }
.banner.outage, .banner.major_outage { background: var(--bad); }
.banner.maintenance { background: var(--maint); }
.banner.loading { background: var(--unk); }

.group { margin-top: 24px; }
.group > h3 { font-size: .8rem; text-transform: uppercase; letter-spacing: .06em; color: var(--muted); margin: 0 0 8px; }
.card { background: var(--card); border: 1px solid var(--line); border-radius: var(--radius); }
.svc { padding: 14px 16px; }
.svc + .svc { border-top: 1px solid var(--line); }
.svc-head { display: flex; align-items: center; justify-content: space-between; gap: 12px; }
.svc-name { font-weight: 600; }
.svc-desc { color: var(--muted); font-size: .85rem; }
.pill { display: inline-flex; align-items: center; gap: 6px; font-size: .85rem; font-weight: 600; white-space: nowrap; }
.dot { width: 10px; height: 10px; border-radius: 50%; background: var(--unk); display: inline-block; }
.operational .dot, .dot.operational { background: var(--ok); }
.degraded .dot, .dot.degraded { background: var(--warn); }
.outage .dot, .dot.outage { background: var(--bad); }
.maintenance .dot, .dot.maintenance { background: var(--maint); }
.pill.operational { color: var(--ok); } .pill.degraded { color: var(--warn); }
.pill.outage { color: var(--bad); } .pill.maintenance { color: var(--maint); } .pill.unknown { color: var(--unk); }

.bars { display: flex; gap: 2px; margin-top: 10px; height: 26px; }
.bars i { flex: 1; border-radius: 2px; background: var(--line); min-width: 1px; }
.bars i.u100 { background: var(--ok); }
.bars i.u99 { background: #84cc16; }
.bars i.u95 { background: var(--warn); }
.bars i.ubad { background: var(--bad); }
.bar-meta { display: flex; justify-content: space-between; color: var(--muted); font-size: .75rem; margin-top: 4px; }

.incident { padding: 14px 16px; }
.incident + .incident { border-top: 1px solid var(--line); }
.incident h4 { margin: 0 0 4px; font-size: 1rem; }
.tag { font-size: .7rem; text-transform: uppercase; letter-spacing: .05em; padding: 2px 8px; border-radius: 99px; color: #fff; margin-left: 6px; vertical-align: middle; }
.tag.outage { background: var(--bad); } .tag.degraded { background: var(--warn); } .tag.maintenance { background: var(--maint); }
.timeline { margin: 8px 0 0; padding: 0; list-style: none; font-size: .9rem; }
.timeline li { padding-left: 12px; border-left: 2px solid var(--line); margin-bottom: 6px; }
.timeline b { text-transform: capitalize; }
.timeline time { color: var(--muted); font-size: .8rem; margin-left: 6px; }
.empty { color: var(--muted); padding: 16px; text-align: center; }
.foot { margin-top: 32px; color: var(--muted); font-size: .8rem; text-align: center; }

dialog { border: 1px solid var(--line); border-radius: var(--radius); background: var(--card); color: var(--text); width: min(480px, calc(100vw - 32px)); padding: 20px; }
dialog::backdrop { background: rgba(0,0,0,.5); }
dialog h2 { margin-top: 0; }
label { display: block; margin: 12px 0; font-weight: 600; font-size: .9rem; }
input, select, textarea { width: 100%; font: inherit; margin-top: 4px; padding: 8px 10px; border-radius: 8px; border: 1px solid var(--line); background: var(--bg); color: var(--text); }
input:focus, select:focus, textarea:focus { outline: 2px solid var(--accent); outline-offset: -1px; }
.row { display: flex; gap: 8px; justify-content: flex-end; margin-top: 12px; flex-wrap: wrap; }
.hp { position: absolute; left: -9999px; width: 1px; height: 1px; opacity: 0; }
.form-msg { min-height: 1.2em; font-size: .9rem; margin: 8px 0 0; }
.form-msg.err { color: var(--bad); } .form-msg.ok { color: var(--ok); }
.tag.info { background: var(--accent); }

.announce { margin-top: 12px; padding: 14px 16px; border-radius: var(--radius); background: var(--card); border: 1px solid var(--line); border-left: 4px solid var(--accent); }
.announce.maintenance { border-left-color: var(--maint); }
.announce.warning { border-left-color: var(--warn); }
.announce.upcoming { border-style: dashed; border-left-style: solid; }
.announce-head { display: flex; justify-content: space-between; gap: 12px; align-items: baseline; flex-wrap: wrap; }
.announce-kind { font-size: .72rem; text-transform: uppercase; letter-spacing: .05em; color: var(--muted); }
.announce-body { margin: 8px 0 0; white-space: pre-wrap; overflow-wrap: anywhere; }

/* ---- mobile & touch polish ---- */
html { -webkit-text-size-adjust: 100%; }
.wrap { padding-left: max(16px, env(safe-area-inset-left)); padding-right: max(16px, env(safe-area-inset-right)); padding-bottom: max(64px, env(safe-area-inset-bottom)); }
input, select, textarea { font-size: 16px; } /* 16px stops iOS zooming in when a field is focused */
dialog { max-height: calc(100dvh - 32px); overflow-y: auto; font: inherit; }
dialog .row { position: sticky; bottom: -20px; background: var(--card); padding: 12px 0 4px; margin-top: 0; } /* keep Save/Cancel reachable */
@media (max-width: 640px) {
  .btn { min-height: 44px; }
  .btn.sm { min-height: 40px; padding: 8px 12px; }
  h1 { font-size: 1.3rem; }
  .banner { font-size: 1.02rem; padding: 16px; }
  .svc-head { align-items: flex-start; }
  .top .btn { white-space: nowrap; }
}