:root {
  --bg: #0d1017;
  --bg2: #131722;
  --card: #181d2a;
  --border: #252b3b;
  --text: #e6e9f0;
  --dim: #8b93a7;
  --accent: #e8493a;
  --accent2: #f0a13c;
  --green: #3ecf6f;
  --red: #ff5a5a;
  --amber: #f0a13c;
  --mono: ui-monospace, "SF Mono", Menlo, monospace;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  background: var(--bg); color: var(--text);
  font: 15px/1.5 -apple-system, "Segoe UI", Roboto, sans-serif;
  min-height: 100vh;
}
a { color: inherit; text-decoration: none; }

/* ---- login ---- */
.login-wrap { min-height: 100vh; display: flex; align-items: center; justify-content: center; padding: 24px; }
.login-card { background: var(--card); border: 1px solid var(--border); border-radius: 16px; padding: 40px 36px; width: 100%; max-width: 380px; }
.login-card h1 { font-size: 22px; margin-bottom: 4px; }
.login-card .sub { color: var(--dim); font-size: 13px; margin-bottom: 28px; }
.login-card label { display: block; font-size: 12px; color: var(--dim); margin: 14px 0 6px; text-transform: uppercase; letter-spacing: .06em; }
.login-card input { width: 100%; background: var(--bg2); border: 1px solid var(--border); border-radius: 10px; padding: 11px 13px; color: var(--text); font-size: 15px; }
.login-card input:focus { outline: none; border-color: var(--accent); }
.login-card button { width: 100%; margin-top: 22px; background: var(--accent); border: none; border-radius: 10px; padding: 12px; color: #fff; font-size: 15px; font-weight: 600; cursor: pointer; }
.login-card button:hover { filter: brightness(1.1); }
.login-err { color: var(--red); font-size: 13px; margin-top: 12px; min-height: 18px; }
.skull { font-size: 30px; margin-bottom: 10px; }

/* ---- app shell ---- */
.shell { display: flex; min-height: 100vh; }
.sidebar {
  width: 230px; flex-shrink: 0; background: var(--bg2); border-right: 1px solid var(--border);
  padding: 20px 12px; position: sticky; top: 0; height: 100vh; overflow-y: auto;
}
.brand { font-weight: 700; font-size: 16px; padding: 0 10px 16px; display: flex; align-items: center; gap: 8px; }
.brand .dot-logo { color: var(--accent); }
.nav-item {
  display: flex; align-items: center; gap: 9px; padding: 8px 10px; border-radius: 8px;
  color: var(--dim); font-size: 14px; cursor: pointer;
}
.nav-item:hover { background: var(--card); color: var(--text); }
.nav-item.active { background: var(--card); color: var(--text); font-weight: 600; }
.nav-sep { font-size: 11px; color: var(--dim); text-transform: uppercase; letter-spacing: .08em; padding: 16px 10px 6px; }
.dot { width: 8px; height: 8px; border-radius: 50%; flex-shrink: 0; }
.dot.active { background: var(--green); }
.dot.quiet { background: #4a5266; }
.dot.failed { background: var(--red); box-shadow: 0 0 6px var(--red); }

.main { flex: 1; padding: 28px 34px; max-width: 1200px; }
.topbar { display: flex; align-items: baseline; justify-content: space-between; margin-bottom: 24px; gap: 12px; flex-wrap: wrap; }
.topbar h1 { font-size: 22px; }
.topbar .meta { color: var(--dim); font-size: 13px; display: flex; gap: 14px; align-items: center; }
.topbar .meta button { background: none; border: 1px solid var(--border); color: var(--dim); border-radius: 8px; padding: 4px 12px; cursor: pointer; font-size: 13px; }
.topbar .meta button:hover { color: var(--text); border-color: var(--dim); }

/* ---- cards ---- */
.stat-row { display: grid; grid-template-columns: repeat(auto-fit, minmax(180px, 1fr)); gap: 14px; margin-bottom: 26px; }
.stat { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 18px; }
.stat .label { font-size: 12px; color: var(--dim); text-transform: uppercase; letter-spacing: .06em; }
.stat .value { font-size: 26px; font-weight: 700; margin-top: 6px; font-family: var(--mono); }
.stat .sub { font-size: 12px; color: var(--dim); margin-top: 4px; }

.card { background: var(--card); border: 1px solid var(--border); border-radius: 14px; padding: 20px; margin-bottom: 22px; }
.card h2 { font-size: 15px; margin-bottom: 14px; display: flex; align-items: center; gap: 8px; }
.card h2 .count { color: var(--dim); font-weight: 400; font-size: 13px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
th { text-align: left; color: var(--dim); font-size: 11px; text-transform: uppercase; letter-spacing: .06em; padding: 6px 10px; border-bottom: 1px solid var(--border); }
td { padding: 9px 10px; border-bottom: 1px solid var(--border); vertical-align: top; }
tr:last-child td { border-bottom: none; }
tr.expandable { cursor: pointer; }
tr.expandable:hover td { background: var(--bg2); }
.mono { font-family: var(--mono); font-size: 13px; }
.dim { color: var(--dim); }
.small { font-size: 12px; }

.badge { display: inline-flex; align-items: center; gap: 5px; border-radius: 20px; padding: 2px 10px; font-size: 12px; font-weight: 600; }
.badge.ok { background: rgba(62,207,111,.12); color: var(--green); }
.badge.fail { background: rgba(255,90,90,.12); color: var(--red); }
.badge.due { background: rgba(240,161,60,.12); color: var(--amber); }
.badge.off { background: rgba(139,147,167,.12); color: var(--dim); }

.banner { border-radius: 12px; padding: 12px 16px; margin-bottom: 20px; font-size: 14px; }
.banner.red { background: rgba(255,90,90,.1); border: 1px solid rgba(255,90,90,.35); color: #ffb3b3; }

.empty { color: var(--dim); text-align: center; padding: 28px 10px; font-size: 14px; }

/* ---- charts ---- */
.bar-list { display: flex; flex-direction: column; gap: 10px; }
.bar-item .bar-top { display: flex; justify-content: space-between; font-size: 13px; margin-bottom: 4px; }
.bar-item .bar-track { background: var(--bg2); border-radius: 6px; height: 10px; overflow: hidden; }
.bar-item .bar-fill { height: 100%; background: linear-gradient(90deg, var(--accent), var(--accent2)); border-radius: 6px; }
.spark { display: flex; align-items: flex-end; gap: 2px; height: 60px; margin-top: 14px; }
.spark .col { flex: 1; background: #2c3448; border-radius: 2px 2px 0 0; min-height: 2px; }
.spark .col:hover { background: var(--accent2); }
.two-col { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }

.output-preview { background: var(--bg2); border-radius: 8px; padding: 12px; font-family: var(--mono); font-size: 12px; white-space: pre-wrap; color: var(--dim); max-height: 240px; overflow-y: auto; margin-top: 4px; }

/* ---- billing view toggle + grouped daily chart (Linear-inspired) ---- */
.view-toggle { display: inline-flex; background: var(--bg2); border: 1px solid var(--border); border-radius: 8px; overflow: hidden; }
.vt-btn { background: none; border: none; color: var(--dim); font-size: 12px; padding: 5px 12px; cursor: pointer; font-weight: 600; }
.vt-btn.active { background: var(--card); color: var(--text); }
.vt-btn:not(.active):hover { color: var(--text); }
.gtoolbar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 16px; flex-wrap: wrap; gap: 10px; }
.glegend { display: flex; gap: 18px; font-size: 13px; color: var(--text); }
.glegend > span { display: inline-flex; align-items: center; gap: 7px; }
.gswatch { width: 10px; height: 10px; border-radius: 3px; display: inline-block; }
.gplot { display: flex; gap: 10px; }
.gaxis { display: flex; flex-direction: column; justify-content: space-between; text-align: right; font-size: 11px; color: var(--dim); font-family: var(--mono); padding-bottom: 26px; min-width: 44px; }
.garea { position: relative; flex: 1; }
.ggrid { position: absolute; inset: 0 0 26px 0; display: flex; flex-direction: column; justify-content: space-between; pointer-events: none; }
.ggrid > div { border-top: 1px solid rgba(255,255,255,0.06); }
.gchart { display: flex; align-items: flex-end; gap: 6px; height: 200px; position: relative; }
.gcol { flex: 1; display: flex; flex-direction: column; justify-content: flex-end; height: 100%; min-width: 0; border-radius: 6px; padding: 0 1px; }
.gcol:hover { background: rgba(255,255,255,0.04); }
.gbars { display: flex; align-items: flex-end; justify-content: center; gap: 2px; flex: 1; }
.gbar { width: 42%; max-width: 14px; border-radius: 3px 3px 0 0; }
.glabel { text-align: center; margin-top: 6px; height: 20px; display: flex; flex-direction: column; line-height: 1.1; }
.glabel span { font-size: 10px; color: var(--dim); }
.glabel .gwd { font-size: 8px; color: #4a5266; text-transform: uppercase; }
@media (max-width: 800px) {
  .gchart { gap: 2px; height: 150px; }
  .glabel .gwd { display: none; }
  .gbar { max-width: none; }
}

.proj-header { display: flex; align-items: center; gap: 12px; }
.proj-header .dot { width: 10px; height: 10px; }

/* ---- mobile ---- */
.hamburger { display: none; background: none; border: 1px solid var(--border); color: var(--text); border-radius: 8px; padding: 6px 12px; font-size: 16px; cursor: pointer; }
@media (max-width: 800px) {
  .shell { flex-direction: column; }
  .sidebar { position: fixed; z-index: 20; left: -240px; transition: left .2s; height: 100vh; }
  .sidebar.open { left: 0; box-shadow: 4px 0 30px rgba(0,0,0,.5); }
  .hamburger { display: block; }
  .main { padding: 18px 16px; }
  .two-col { grid-template-columns: 1fr; }
  .stat .value { font-size: 21px; }
}