:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1e222b;
  --border: #2a2f3a;
  --text: #e7e9ee;
  --muted: #8b93a3;
  --up: #2ecc71;
  --down: #e74c3c;
  --pending: #f1c40f;
  --none: #3a3f4b;
  --accent: #4f8cff;
  --radius: 10px;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, Helvetica, Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
}

header.top {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 28px;
  border-bottom: 1px solid var(--border);
  background: var(--panel);
}

header.top h1 { font-size: 18px; margin: 0; }
header.top a { color: var(--accent); text-decoration: none; font-size: 14px; }

.container { max-width: 980px; margin: 0 auto; padding: 24px 20px 60px; }

.panel {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}

h2 { font-size: 16px; margin: 0 0 14px; }

.form-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 12px;
  align-items: end;
}

label { display: block; font-size: 12px; color: var(--muted); margin-bottom: 4px; }

input, select {
  width: 100%;
  padding: 8px 10px;
  background: var(--panel-2);
  border: 1px solid var(--border);
  border-radius: 6px;
  color: var(--text);
  font-size: 13px;
}

button {
  cursor: pointer;
  border: none;
  border-radius: 6px;
  padding: 9px 16px;
  font-size: 13px;
  font-weight: 600;
  background: var(--accent);
  color: white;
}
button.secondary { background: var(--panel-2); color: var(--text); border: 1px solid var(--border); }
button.danger { background: var(--down); }
button:disabled { opacity: 0.5; cursor: not-allowed; }

table { width: 100%; border-collapse: collapse; font-size: 13px; }
th, td { text-align: left; padding: 10px 8px; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 500; font-size: 12px; text-transform: uppercase; letter-spacing: 0.03em; }

.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge .dot { width: 8px; height: 8px; border-radius: 50%; }
.badge.up { background: rgba(46,204,113,0.12); color: var(--up); }
.badge.up .dot { background: var(--up); }
.badge.down { background: rgba(231,76,60,0.12); color: var(--down); }
.badge.down .dot { background: var(--down); }
.badge.pending, .badge.up-pending-retry { background: rgba(241,196,15,0.12); color: var(--pending); }
.badge.pending .dot, .badge.up-pending-retry .dot { background: var(--pending); }

.muted { color: var(--muted); }
.row-actions { display: flex; gap: 8px; }
.row-actions button { padding: 6px 10px; font-size: 12px; }

.monitor-card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 16px;
}
.monitor-card .head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 12px;
}
.monitor-card .head h3 { margin: 0; font-size: 15px; }
.monitor-card .stats { display: flex; gap: 18px; font-size: 12px; color: var(--muted); margin-bottom: 12px; }
.monitor-card .stats b { color: var(--text); font-size: 13px; }

.range-toggle { display: flex; gap: 6px; flex-wrap: wrap; }
.range-toggle button {
  background: var(--panel-2);
  color: var(--muted);
  border: 1px solid var(--border);
  padding: 6px 14px;
}
.range-toggle button.active { background: var(--accent); color: white; border-color: var(--accent); }

.bars {
  display: flex;
  align-items: flex-end;
  gap: 2px;
  height: 44px;
  overflow: hidden;
  padding-top: 4px;
  width: 100%;
}
.bar {
  flex: 1 1 0;
  min-width: 1px;
  height: 36px;
  border-radius: 2px;
  background: var(--none);
  position: relative;
}
.bar.up { background: var(--up); }
.bar.partial { background: var(--pending); }
.bar.down { background: var(--down); }
.bar:hover::after {
  content: attr(data-tip);
  position: absolute;
  bottom: 44px;
  left: 50%;
  transform: translateX(-50%);
  background: #000;
  color: #fff;
  padding: 4px 8px;
  border-radius: 4px;
  font-size: 11px;
  white-space: nowrap;
  z-index: 10;
}

.overall-banner {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 16px 20px;
  border-radius: var(--radius);
  margin-bottom: 22px;
  font-weight: 600;
}
.overall-banner.up { background: rgba(46,204,113,0.1); color: var(--up); border: 1px solid rgba(46,204,113,0.3); }
.overall-banner.down { background: rgba(231,76,60,0.1); color: var(--down); border: 1px solid rgba(231,76,60,0.3); }

.empty { text-align: center; color: var(--muted); padding: 40px 0; }

.tabs { display: flex; gap: 4px; margin-bottom: 18px; border-bottom: 1px solid var(--border); }
.tab-btn {
  background: transparent;
  color: var(--muted);
  border: none;
  border-bottom: 2px solid transparent;
  border-radius: 0;
  padding: 10px 16px;
  font-weight: 600;
}
.tab-btn.active { color: var(--text); border-bottom-color: var(--accent); }
.tab-panel { display: none; }
.tab-panel.active { display: block; }

.tag-pill {
  display: inline-block;
  background: var(--panel-2);
  border: 1px solid var(--border);
  color: var(--muted);
  padding: 2px 8px;
  border-radius: 999px;
  font-size: 11px;
  margin-right: 4px;
}

.cert-check-row {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-top: 14px;
  font-size: 13px;
}
.cert-check-row label { display: flex; align-items: center; gap: 6px; margin: 0; color: var(--text); }

.badge.maintenance { background: rgba(79,140,255,0.12); color: var(--accent); }
.badge.maintenance .dot { background: var(--accent); }

select[multiple] { padding: 6px; }
select[multiple] option { padding: 4px 6px; }

.brand { display: flex; align-items: center; gap: 12px; }
.brand-logo { max-height: 36px; max-width: 160px; object-fit: contain; }
.login-logo { max-height: 56px; margin: 0 auto 14px; display: block; }
.brand-footer { color: var(--muted); font-size: 12px; text-align: center; padding: 24px 0 4px; }