/* wgmon dashboard — lightweight, responsive, light/dark aware.
   No framework. System font stack. Mobile-first, scales up to desktop. */

:root {
  --bg: #0e1116;
  --bg-elev: #161b22;
  --bg-elev-2: #1c232c;
  --border: #263041;
  --text: #e6edf3;
  --text-dim: #8b98a9;
  --text-faint: #5b6673;
  --accent: #4c8dff;
  --accent-soft: rgba(76, 141, 255, 0.14);
  --good: #3fb950;
  --warn: #d29922;
  --bad: #f85149;
  --radius: 14px;
  --radius-sm: 9px;
  --shadow: 0 1px 3px rgba(0,0,0,.4), 0 8px 24px rgba(0,0,0,.25);
  --gap: 18px;
  /* categorical palette (colorblind-aware, consistent order) */
  --c-telemetry: #8b98a9;
  --c-cdn: #6ea8fe;
  --c-ads: #f0883e;
  --c-messaging: #3fb950;
  --c-social: #db61a2;
  --c-streaming: #a371f7;
  --c-gaming: #e3b341;
  --c-other: #56d4dd;
  color-scheme: dark;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f8fb;
    --bg-elev: #ffffff;
    --bg-elev-2: #f0f3f8;
    --border: #dde3ec;
    --text: #1c2530;
    --text-dim: #5b6673;
    --text-faint: #9aa5b1;
    --accent: #2f6fed;
    --accent-soft: rgba(47, 111, 237, 0.1);
    --shadow: 0 1px 2px rgba(16,24,40,.06), 0 8px 24px rgba(16,24,40,.06);
    color-scheme: light;
  }
}

* { box-sizing: border-box; }
html, body { margin: 0; padding: 0; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  font-size: 15px;
  line-height: 1.5;
  -webkit-font-smoothing: antialiased;
  -webkit-tap-highlight-color: transparent;
}
a { color: var(--accent); text-decoration: none; }
button { font-family: inherit; }

/* ── Layout ─────────────────────────────────────────────── */
.app { display: flex; min-height: 100vh; }
.sidebar {
  width: 232px; flex-shrink: 0; background: var(--bg-elev);
  border-right: 1px solid var(--border); padding: 20px 14px;
  display: flex; flex-direction: column; gap: 6px;
  position: sticky; top: 0; height: 100vh;
}
.brand { display: flex; align-items: center; gap: 10px; padding: 4px 8px 18px; }
.brand .logo { width: 30px; height: 30px; border-radius: 8px;
  background: linear-gradient(135deg, var(--accent), #7c4dff);
  display: grid; place-items: center; color: #fff; font-weight: 700; }
.brand h1 { font-size: 17px; margin: 0; letter-spacing: .2px; }
.brand small { display:block; color: var(--text-faint); font-size: 11px; font-weight: 500; }

.nav a {
  display: flex; align-items: center; gap: 11px; padding: 10px 12px;
  border-radius: var(--radius-sm); color: var(--text-dim); font-weight: 500;
  transition: background .12s, color .12s;
}
.nav a:hover { background: var(--bg-elev-2); color: var(--text); }
.nav a.active { background: var(--accent-soft); color: var(--accent); }
.nav a .ico { width: 18px; text-align: center; }
.sidebar .spacer { flex: 1; }
.sidebar .foot { color: var(--text-faint); font-size: 12px; padding: 8px; }
.sidebar .foot button { background: none; border: 0; color: var(--text-dim); cursor: pointer; padding: 6px 8px; border-radius: 6px; }
.sidebar .foot button:hover { background: var(--bg-elev-2); color: var(--text); }

.main { flex: 1; min-width: 0; padding: 26px clamp(16px, 3vw, 34px); }
.page-head { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-bottom: 22px; flex-wrap: wrap; }
.page-head h2 { margin: 0; font-size: 24px; letter-spacing: -.3px; }
.page-head .sub { color: var(--text-dim); font-size: 13px; }

/* ── Mobile top bar ─────────────────────────────────────── */
.topbar { display: none; }
@media (max-width: 860px) {
  .app { flex-direction: column; }
  .sidebar {
    position: fixed; z-index: 50; left: 0; top: 0; height: 100vh; width: 250px;
    transform: translateX(-100%); transition: transform .2s ease; box-shadow: var(--shadow);
  }
  .sidebar.open { transform: translateX(0); }
  .topbar {
    display: flex; align-items: center; gap: 12px; padding: 12px 16px;
    background: var(--bg-elev); border-bottom: 1px solid var(--border); position: sticky; top: 0; z-index: 40;
  }
  .topbar .burger { background: none; border: 1px solid var(--border); color: var(--text);
    width: 40px; height: 40px; border-radius: 10px; font-size: 18px; cursor: pointer; }
  .topbar h1 { font-size: 16px; margin: 0; }
  .main { padding: 18px 16px 60px; }
  .scrim { display: none; position: fixed; inset: 0; background: rgba(0,0,0,.5); z-index: 45; }
  .scrim.show { display: block; }
}

/* ── Cards & grid ───────────────────────────────────────── */
.grid { display: grid; gap: var(--gap); grid-template-columns: repeat(12, 1fr); }
.card {
  background: var(--bg-elev); border: 1px solid var(--border); border-radius: var(--radius);
  padding: 18px; box-shadow: var(--shadow); min-width: 0;
}
.card h3 { margin: 0 0 14px; font-size: 13px; text-transform: uppercase; letter-spacing: .6px; color: var(--text-dim); font-weight: 600; }
.col-3 { grid-column: span 3; } .col-4 { grid-column: span 4; }
.col-5 { grid-column: span 5; } .col-6 { grid-column: span 6; }
.col-7 { grid-column: span 7; } .col-8 { grid-column: span 8; } .col-12 { grid-column: span 12; }
@media (max-width: 1100px) { .col-3,.col-4 { grid-column: span 6; } .col-5,.col-7,.col-8 { grid-column: span 12; } }
@media (max-width: 680px) { .grid { grid-template-columns: 1fr; } [class^="col-"] { grid-column: 1 / -1; } }

/* ── Stat tiles ─────────────────────────────────────────── */
.stat { display: flex; flex-direction: column; gap: 6px; }
.stat .label { color: var(--text-dim); font-size: 12px; text-transform: uppercase; letter-spacing: .5px; }
.stat .value { font-size: 30px; font-weight: 700; letter-spacing: -.5px; line-height: 1; }
.stat .value small { font-size: 15px; font-weight: 500; color: var(--text-dim); }
.stat .delta { font-size: 12px; }
.up { color: var(--good); } .down { color: var(--accent); } .hot { color: var(--bad); }

/* ── Tables ─────────────────────────────────────────────── */
table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--text-faint); font-weight: 600; font-size: 11px;
  text-transform: uppercase; letter-spacing: .5px; padding: 6px 10px; border-bottom: 1px solid var(--border); }
td { padding: 9px 10px; border-bottom: 1px solid var(--border); }
tr:last-child td { border-bottom: 0; }
tbody tr { transition: background .1s; }
tbody tr:hover { background: var(--bg-elev-2); }
.num { text-align: right; font-variant-numeric: tabular-nums; }
.table-wrap { overflow-x: auto; -webkit-overflow-scrolling: touch; }

/* ── Badges / chips ─────────────────────────────────────── */
.badge { display: inline-flex; align-items: center; gap: 5px; padding: 2px 9px; border-radius: 999px;
  font-size: 11px; font-weight: 600; background: var(--bg-elev-2); color: var(--text-dim); }
.dot { width: 8px; height: 8px; border-radius: 50%; display: inline-block; }
.badge.bg { opacity: .7; }
.cat-telemetry { color: var(--c-telemetry);} .cat-cdn{color:var(--c-cdn);} .cat-ads{color:var(--c-ads);}
.cat-messaging{color:var(--c-messaging);} .cat-social{color:var(--c-social);} .cat-streaming{color:var(--c-streaming);}
.cat-gaming{color:var(--c-gaming);} .cat-other{color:var(--c-other);}
.pill-online { color: var(--good); }
.pill-online .dot { background: var(--good); box-shadow: 0 0 0 3px rgba(63,185,80,.18); }

/* ── Buttons / inputs ───────────────────────────────────── */
.btn { display: inline-flex; align-items: center; gap: 7px; padding: 8px 14px; border-radius: 9px;
  border: 1px solid var(--border); background: var(--bg-elev-2); color: var(--text); font-weight: 600;
  font-size: 13px; cursor: pointer; transition: background .12s, border-color .12s; }
.btn:hover { border-color: var(--accent); }
.btn.primary { background: var(--accent); border-color: var(--accent); color: #fff; }
.btn.ghost { background: none; }
.btn.sm { padding: 5px 10px; font-size: 12px; }
input, select, textarea {
  background: var(--bg); border: 1px solid var(--border); color: var(--text);
  border-radius: 9px; padding: 9px 11px; font-size: 14px; width: 100%; outline: none;
}
input:focus, select:focus { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); }
.inline-edit { background: none; border: 1px dashed transparent; padding: 2px 6px; border-radius: 6px; cursor: text; }
.inline-edit:hover { border-color: var(--border); }

/* ── Charts ─────────────────────────────────────────────── */
.chart-wrap { position: relative; width: 100%; }
canvas.line { width: 100%; display: block; }
.legend { display: flex; flex-wrap: wrap; gap: 12px; margin-top: 12px; font-size: 12px; color: var(--text-dim); }
.legend span { display: inline-flex; align-items: center; gap: 6px; }

/* donut */
.donut-wrap { display: flex; align-items: center; gap: 18px; flex-wrap: wrap; }
.donut { flex-shrink: 0; }
.donut-legend { display: flex; flex-direction: column; gap: 8px; font-size: 13px; flex: 1; min-width: 140px; }
.donut-legend .row { display: flex; align-items: center; gap: 8px; justify-content: space-between; }
.donut-legend .row .l { display: flex; align-items: center; gap: 8px; }

/* horizontal bars */
.hbar { display: grid; grid-template-columns: 1fr auto; gap: 4px 10px; align-items: center; margin-bottom: 11px; }
.hbar .name { font-size: 13px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }
.hbar .val { font-size: 12px; color: var(--text-dim); font-variant-numeric: tabular-nums; }
.hbar .track { grid-column: 1 / -1; height: 7px; background: var(--bg-elev-2); border-radius: 5px; overflow: hidden; }
.hbar .fill { height: 100%; border-radius: 5px; background: var(--accent); }

/* heatmap */
.heatmap { display: grid; grid-template-columns: 28px repeat(24, 1fr); gap: 3px; font-size: 10px; }
.heatmap .hh { color: var(--text-faint); text-align: center; }
.heatmap .dl { color: var(--text-faint); display: flex; align-items: center; }
.heatmap .cell { aspect-ratio: 1; border-radius: 3px; background: var(--bg-elev-2); cursor: default; }

/* ── Misc ───────────────────────────────────────────────── */
.muted { color: var(--text-dim); }
.empty { color: var(--text-faint); text-align: center; padding: 30px; font-size: 14px; }
.spinner { width: 22px; height: 22px; border: 2px solid var(--border); border-top-color: var(--accent);
  border-radius: 50%; animation: spin .7s linear infinite; margin: 30px auto; }
@keyframes spin { to { transform: rotate(360deg); } }
.row-actions { display: flex; gap: 6px; }
.toast { position: fixed; bottom: 22px; left: 50%; transform: translateX(-50%);
  background: var(--bg-elev-2); border: 1px solid var(--border); color: var(--text);
  padding: 10px 18px; border-radius: 10px; box-shadow: var(--shadow); z-index: 100;
  opacity: 0; transition: opacity .2s, transform .2s; pointer-events: none; }
.toast.show { opacity: 1; transform: translateX(-50%) translateY(-4px); }

/* ── Login ──────────────────────────────────────────────── */
.login-wrap { min-height: 100vh; display: grid; place-items: center; padding: 20px; }
.login-card { width: 100%; max-width: 360px; background: var(--bg-elev); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 30px 26px; box-shadow: var(--shadow); }
.login-card .brand { justify-content: center; padding-bottom: 22px; }
.login-card label { display: block; font-size: 12px; color: var(--text-dim); margin: 14px 0 6px; font-weight: 600; }
.login-card .btn { width: 100%; justify-content: center; margin-top: 22px; }
.login-err { color: var(--bad); font-size: 13px; margin-top: 12px; min-height: 18px; text-align: center; }