/* ============================================================
   OpenStats — design system
   Night-operations palette · mono numerals · amber live pulse
   ============================================================ */
:root {
  --bg:        #0d1220;
  --surface:   #151c2e;
  --surface-2: #1a2338;
  --border:    #232d45;
  --text:      #e8ecf6;
  --muted:     #8a94ad;
  --accent:    #6e8bff;
  --accent-soft: rgba(110,139,255,.14);
  --live:      #ffb44d;
  --good:      #3ecf8e;
  --bad:       #ff6b7a;
  --radius: 12px;
  --font-display: 'Space Grotesk', system-ui, sans-serif;
  --font-body: 'Inter', system-ui, sans-serif;
  --font-mono: 'JetBrains Mono', ui-monospace, monospace;
  --shadow: 0 8px 28px rgba(0,0,0,.35);
}
html[data-theme="light"] {
  --bg: #f4f6fb;
  --surface: #ffffff;
  --surface-2: #eef1f8;
  --border: #dde3f0;
  --text: #17203a;
  --muted: #63708d;
  --accent: #4d6bff;
  --accent-soft: rgba(77,107,255,.10);
  --live: #e08900;
  --shadow: 0 8px 24px rgba(23,32,58,.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font: 15px/1.55 var(--font-body);
  -webkit-font-smoothing: antialiased;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; border-radius: 4px; }

/* ---------- top bar ---------- */
.topbar {
  display: flex; align-items: center; justify-content: space-between; gap: 16px;
  padding: 14px 24px;
  border-bottom: 1px solid var(--border);
  background: color-mix(in srgb, var(--bg) 85%, transparent);
  backdrop-filter: blur(8px);
  position: sticky; top: 0; z-index: 20;
}
.brand {
  display: inline-flex; align-items: center; gap: 10px;
  font: 700 19px var(--font-display); color: var(--text); letter-spacing: -.01em;
}
.brand:hover { text-decoration: none; }
.brand-mark { display: inline-flex; }
.topnav { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.topnav a { color: var(--muted); font-weight: 500; }
.topnav a.on, .topnav a:hover { color: var(--text); text-decoration: none; }
.who { color: var(--muted); font-size: 13px; }
.theme-btn {
  background: none; border: 1px solid var(--border); color: var(--muted);
  border-radius: 50%; width: 32px; height: 32px; cursor: pointer; font-size: 15px;
}
.theme-btn:hover { color: var(--text); border-color: var(--accent); }

.wrap { max-width: 1160px; margin: 0 auto; padding: 28px 24px 64px; }
.footer { text-align: center; color: var(--muted); font-size: 13px; padding: 24px; border-top: 1px solid var(--border); }

/* ---------- buttons & forms ---------- */
.btn {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 9px 16px; border-radius: 9px; border: 1px solid transparent;
  font: 600 14px var(--font-body); cursor: pointer; white-space: nowrap;
}
.btn:hover { text-decoration: none; }
.btn-primary { background: var(--accent); color: #fff; }
.btn-primary:hover { filter: brightness(1.1); }
.btn-ghost { border-color: var(--border); color: var(--text); background: transparent; }
.btn-ghost:hover { border-color: var(--accent); }
.btn-danger { background: transparent; border-color: var(--bad); color: var(--bad); }
.btn-danger:hover { background: var(--bad); color: #fff; }

label { display: block; font-size: 13px; font-weight: 600; color: var(--muted); margin: 14px 0 5px; }
input[type=text], input[type=email], input[type=password], input[type=date], select, textarea {
  width: 100%; padding: 10px 12px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--surface-2); color: var(--text);
  font: 14px var(--font-body);
}
input:focus, select:focus, textarea:focus { border-color: var(--accent); outline: none; }

.card {
  background: var(--surface); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 20px; box-shadow: var(--shadow);
}
.auth-card { max-width: 420px; margin: 8vh auto 0; }
.auth-card h1 { font: 700 26px var(--font-display); margin: 0 0 4px; }
.auth-card p.sub { color: var(--muted); margin-top: 0; }

.alert { padding: 11px 14px; border-radius: 9px; font-size: 14px; margin: 14px 0; }
.alert-err { background: rgba(255,107,122,.12); color: var(--bad); border: 1px solid rgba(255,107,122,.35); }
.alert-ok  { background: rgba(62,207,142,.12); color: var(--good); border: 1px solid rgba(62,207,142,.35); }

/* ---------- landing ---------- */
.hero { text-align: center; padding: 9vh 0 6vh; }
.hero h1 {
  font: 700 clamp(34px, 6vw, 58px)/1.08 var(--font-display);
  letter-spacing: -.02em; margin: 0 0 18px;
}
.hero h1 em { font-style: normal; color: var(--accent); }
.hero p { color: var(--muted); font-size: 18px; max-width: 620px; margin: 0 auto 30px; }
.hero-cta { display: flex; gap: 12px; justify-content: center; flex-wrap: wrap; }
.hero .btn { padding: 13px 26px; font-size: 15px; }
.feature-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 16px; margin-top: 48px; }
.feature-grid .card h3 { font: 600 16px var(--font-display); margin: 0 0 6px; }
.feature-grid .card p { color: var(--muted); font-size: 14px; margin: 0; }
.feature-grid .icon { font-size: 22px; margin-bottom: 10px; }

/* ---------- dashboard: sites list ---------- */
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; flex-wrap: wrap; margin-bottom: 22px; }
.page-head h1 { font: 700 26px var(--font-display); margin: 0; }
.sites-grid { display: grid; grid-template-columns: repeat(auto-fill, minmax(280px, 1fr)); gap: 16px; }
.site-card { display: block; color: var(--text); transition: transform .12s, border-color .12s; }
.site-card:hover { text-decoration: none; transform: translateY(-2px); border-color: var(--accent); }
.site-card h3 { margin: 0 0 2px; font: 600 17px var(--font-display); }
.site-card .dom { color: var(--muted); font-size: 13px; }
.site-card .nums { display: flex; gap: 22px; margin-top: 16px; }
.site-card .nums b { display: block; font: 700 22px var(--font-mono); font-variant-numeric: tabular-nums; }
.site-card .nums span { color: var(--muted); font-size: 12px; }
.empty { text-align: center; color: var(--muted); padding: 60px 0; }
.empty .big { font-size: 40px; }

/* ---------- signature: live pulse ---------- */
.pulse-dot {
  width: 10px; height: 10px; border-radius: 50%; background: var(--live);
  display: inline-block; position: relative; flex: none;
}
.pulse-dot::after {
  content: ""; position: absolute; inset: -5px; border-radius: 50%;
  border: 2px solid var(--live); opacity: .7;
  animation: pulse 1.6s ease-out infinite;
}
@keyframes pulse { from { transform: scale(.5); opacity: .8; } to { transform: scale(1.5); opacity: 0; } }
@media (prefers-reduced-motion: reduce) { .pulse-dot::after { animation: none; opacity: .35; } }

.live-strip {
  display: flex; align-items: center; gap: 16px; flex-wrap: wrap;
  padding: 14px 20px; margin-bottom: 20px;
}
.live-strip .online { display: flex; align-items: center; gap: 10px; font: 700 15px var(--font-display); }
.live-strip .online b { font: 700 24px var(--font-mono); font-variant-numeric: tabular-nums; }
.live-strip canvas { height: 36px !important; flex: 1; min-width: 160px; max-width: 420px; }
.live-strip .hint { color: var(--muted); font-size: 12px; margin-left: auto; }

/* ---------- stats page ---------- */
.stat-head { display: flex; align-items: baseline; justify-content: space-between; gap: 14px; flex-wrap: wrap; margin-bottom: 18px; }
.stat-head h1 { font: 700 24px var(--font-display); margin: 0; }
.stat-head .dom { color: var(--muted); }
.range-bar { display: flex; gap: 8px; flex-wrap: wrap; align-items: center; }
.range-bar button, .range-bar a.rbtn {
  border: 1px solid var(--border); background: var(--surface); color: var(--muted);
  padding: 7px 13px; border-radius: 8px; font: 500 13px var(--font-body); cursor: pointer;
}
.range-bar .on { background: var(--accent-soft); border-color: var(--accent); color: var(--accent); font-weight: 600; }

.kpi-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(150px, 1fr)); gap: 12px; margin-bottom: 20px; }
.kpi { padding: 16px 18px; }
.kpi .v { font: 700 26px var(--font-mono); font-variant-numeric: tabular-nums; letter-spacing: -.01em; }
.kpi .k { color: var(--muted); font-size: 12.5px; margin-top: 2px; }

.chart-card { padding: 20px; margin-bottom: 20px; position: relative;
  background-image:
    linear-gradient(var(--border) 1px, transparent 1px),
    linear-gradient(90deg, var(--border) 1px, transparent 1px);
  background-size: 40px 40px; background-position: -1px -1px;
  background-blend-mode: soft-light;
}
.chart-card canvas { max-height: 300px; }

.panel-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(330px, 1fr)); gap: 16px; }
.panel h3 { font: 600 15px var(--font-display); margin: 0 0 4px; display: flex; justify-content: space-between; align-items: center; }
.panel h3 small { color: var(--muted); font-weight: 400; font-size: 12px; }
.bar-list { margin: 10px 0 0; padding: 0; list-style: none; }
.bar-list li { position: relative; display: flex; justify-content: space-between; gap: 10px;
  padding: 7px 10px; border-radius: 7px; font-size: 13.5px; overflow: hidden; }
.bar-list li + li { margin-top: 3px; }
.bar-list .fill { position: absolute; inset: 0; background: var(--accent-soft); border-radius: 7px; z-index: 0; }
.bar-list .lab { position: relative; z-index: 1; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.bar-list .num { position: relative; z-index: 1; font: 700 13px var(--font-mono); font-variant-numeric: tabular-nums; }
.bar-list .sub { color: var(--muted); font-weight: 400; margin-left: 6px; }
.nodata { color: var(--muted); font-size: 13px; padding: 18px 0; text-align: center; }

.tabs { display: flex; gap: 4px; border-bottom: 1px solid var(--border); margin: 26px 0 18px; flex-wrap: wrap; }
.tabs button { background: none; border: none; border-bottom: 2px solid transparent;
  color: var(--muted); padding: 9px 14px; font: 500 14px var(--font-body); cursor: pointer; }
.tabs button.on { color: var(--accent); border-bottom-color: var(--accent); font-weight: 600; }

/* live feed */
.feed { margin: 12px 0 0; padding: 0; list-style: none; font-size: 13.5px; }
.feed li { display: flex; gap: 10px; align-items: baseline; padding: 8px 4px; border-bottom: 1px solid var(--border); }
.feed li:last-child { border-bottom: none; }
.feed .t { color: var(--muted); font: 500 12px var(--font-mono); flex: none; width: 52px; }
.feed .p { overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.feed .meta { color: var(--muted); margin-left: auto; flex: none; font-size: 12px; }

/* code blocks */
pre.code {
  background: var(--surface-2); border: 1px solid var(--border); border-radius: 9px;
  padding: 14px 16px; overflow-x: auto; font: 12.5px/1.6 var(--font-mono); color: var(--text);
}
.copy-row { display: flex; gap: 10px; align-items: flex-start; }
.copy-row pre { flex: 1; margin: 0; }

/* tables (admin, settings) */
table.tbl { width: 100%; border-collapse: collapse; font-size: 14px; }
.tbl th { text-align: left; color: var(--muted); font-weight: 600; font-size: 12.5px; padding: 8px 10px; border-bottom: 1px solid var(--border); }
.tbl td { padding: 9px 10px; border-bottom: 1px solid var(--border); }
.tbl td.mono { font: 600 13px var(--font-mono); font-variant-numeric: tabular-nums; }

.badge { display: inline-block; padding: 2px 9px; border-radius: 20px; font-size: 11.5px; font-weight: 600; }
.badge-live { background: rgba(255,180,77,.15); color: var(--live); }
.badge-ok { background: rgba(62,207,142,.15); color: var(--good); }

@media (max-width: 640px) {
  .wrap { padding: 18px 14px 48px; }
  .topbar { padding: 12px 14px; }
  .who { display: none; }
  .kpi .v { font-size: 21px; }
}

/* ============================ landing page ============================ */
.btn-lg { padding: 13px 26px; font-size: 15px; }
.lp-hero { display: grid; grid-template-columns: 1.05fr 1fr; gap: 44px; align-items: center; padding: 7vh 0 5vh; }
.lp-eyebrow { display: inline-flex; align-items: center; gap: 9px; font: 600 12.5px var(--font-body);
  color: var(--live); background: rgba(255,180,77,.1); border: 1px solid rgba(255,180,77,.3);
  padding: 6px 14px; border-radius: 30px; margin-bottom: 20px; }
.lp-hero h1 { font: 700 clamp(34px, 4.6vw, 54px)/1.06 var(--font-display); letter-spacing: -.02em; margin: 0 0 18px; }
.lp-hero h1 em { font-style: normal; color: var(--accent); }
.lp-hero p { color: var(--muted); font-size: 17px; max-width: 520px; margin: 0 0 26px; }
.lp-checks { display: flex; gap: 20px; flex-wrap: wrap; list-style: none; margin: 22px 0 0; padding: 0;
  color: var(--muted); font-size: 13.5px; }
.lp-hero-art svg { width: 100%; height: auto; filter: drop-shadow(0 24px 48px rgba(0,0,0,.30)); }

.lp-band { display: flex; justify-content: center; gap: clamp(30px, 7vw, 90px); flex-wrap: wrap;
  padding: 26px; border-top: 1px solid var(--border); border-bottom: 1px solid var(--border); margin: 20px 0; }
.lp-band b { display: block; font: 700 30px var(--font-mono); font-variant-numeric: tabular-nums; color: var(--text); }
.lp-band span { color: var(--muted); font-size: 13px; }

.lp-section { padding: 52px 0 8px; }
.lp-h2 { font: 700 clamp(24px, 3.2vw, 34px)/1.2 var(--font-display); letter-spacing: -.015em;
  text-align: center; margin: 0 0 34px; }
.fic { color: var(--accent); margin-bottom: 12px; display: block; }

.lp-steps { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 16px; }
.lp-step h3 { font: 600 16px var(--font-display); margin: 0 0 8px; }
.lp-step p { color: var(--muted); font-size: 14px; margin: 0; }

.lp-cmp td, .lp-cmp th { font-size: 13.5px; }
.lp-cmp td:first-child { font-weight: 600; }
.lp-cmp td:nth-child(2) { color: var(--muted); }
.lp-cmp .y { color: var(--text); }
.lp-cmp .y::first-letter { color: var(--good); }

.lp-faq { max-width: 760px; margin: 0 auto; }
.lp-faq details { margin-bottom: 10px; padding: 4px 20px; }
.lp-faq summary { cursor: pointer; font: 600 15px var(--font-display); padding: 14px 0; list-style: none; position: relative; }
.lp-faq summary::after { content: "+"; position: absolute; right: 0; color: var(--accent); font-size: 19px; }
.lp-faq details[open] summary::after { content: "–"; }
.lp-faq p { color: var(--muted); font-size: 14px; margin: 0 0 16px; }

.lp-final { text-align: center; margin: 56px auto 20px; max-width: 680px; padding: 44px 30px;
  border-color: var(--accent); background: linear-gradient(180deg, var(--accent-soft), transparent 70%), var(--surface); }
.lp-final h2 { font: 700 26px var(--font-display); margin: 0 0 8px; }
.lp-final p { color: var(--muted); margin: 0 0 22px; }

@media (max-width: 880px) {
  .lp-hero { grid-template-columns: 1fr; text-align: center; padding-top: 4vh; }
  .lp-hero p { margin-inline: auto; }
  .hero-cta { justify-content: center; }
  .lp-checks { justify-content: center; }
  .fic { margin-inline: auto; }
}

/* ---------- new dashboard panels ---------- */
.kpi .delta { font: 600 12px var(--font-mono); margin-left: 8px; }
.delta.up { color: var(--good); } .delta.down { color: var(--bad); }
#worldMap { height: 300px; }
.jvm-tooltip { background: var(--surface-2); color: var(--text); border: 1px solid var(--border);
  border-radius: 8px; font-family: var(--font-body); padding: 6px 10px; }
.split-2 { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; margin-bottom: 20px; }
@media (max-width: 800px) { .split-2 { grid-template-columns: 1fr; } }
.status-ok { color: var(--good); font-weight: 600; }
.status-warn { color: var(--live); font-weight: 600; }