:root {
  --bg: #0b1020;
  --card: #121a2f;
  --border: #243055;
  --text: #e8eefc;
  --muted: #8fa3cc;
  --primary: #3b82f6;
  --primary-hover: #2563eb;
  --danger: #ef4444;
  --ok: #22c55e;
  --warn: #f59e0b;
  --radius: 12px;
  font-family: "Segoe UI", system-ui, -apple-system, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(1200px 600px at 10% -10%, #1e3a8a33, transparent),
    radial-gradient(900px 500px at 90% 0%, #7c3aed22, transparent),
    var(--bg);
  color: var(--text);
}

.hidden { display: none !important; }
.muted { color: var(--muted); font-size: 0.9rem; }
.muted.small { font-size: 0.8rem; margin-top: 0.25rem; }
.error { color: #fca5a5; margin-top: 0.5rem; }

.view { max-width: 1200px; margin: 0 auto; padding: 2rem 1.25rem; }

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1.5rem;
}

.login-card {
  max-width: 400px;
  margin: 10vh auto 0;
}
.login-card h1 { margin: 0 0 0.25rem; }
.login-card form { display: grid; gap: 0.5rem; margin-top: 1.25rem; }

label { font-size: 0.85rem; color: var(--muted); }
input {
  width: 100%;
  padding: 0.65rem 0.75rem;
  border-radius: 8px;
  border: 1px solid var(--border);
  background: #0d1428;
  color: var(--text);
}

.btn {
  border: none;
  border-radius: 8px;
  padding: 0.55rem 1rem;
  cursor: pointer;
  font-weight: 600;
}
.btn.primary { background: var(--primary); color: #fff; }
.btn.primary:hover { background: var(--primary-hover); }
.btn.ghost { background: transparent; color: var(--muted); border: 1px solid var(--border); }
.btn.danger { background: #7f1d1d; color: #fecaca; }
.btn.sm { padding: 0.35rem 0.6rem; font-size: 0.8rem; }

.topbar {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  gap: 1rem;
  margin-bottom: 1.25rem;
}
.topbar h1 { margin: 0; }
.topbar-actions { display: flex; gap: 0.5rem; flex-wrap: wrap; }

.stats-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
  margin-bottom: 1rem;
}
.stat-card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem;
}
.stat-card .label { display: block; color: var(--muted); font-size: 0.8rem; }
.stat-card strong { font-size: 1.35rem; }

.panel {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 1rem 1.25rem;
  margin-bottom: 1rem;
}
.panel-head {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 0.75rem;
}
.panel-head h2 { margin: 0; font-size: 1rem; }

.badge {
  font-size: 0.75rem;
  padding: 0.2rem 0.5rem;
  border-radius: 999px;
  background: #1e293b;
  color: var(--muted);
}
.badge.ok { background: #14532d; color: #86efac; }
.badge.err { background: #7f1d1d; color: #fecaca; }

.table-wrap { overflow-x: auto; }
table { width: 100%; border-collapse: collapse; font-size: 0.9rem; }
th, td { padding: 0.65rem 0.5rem; text-align: left; border-bottom: 1px solid var(--border); }
th { color: var(--muted); font-weight: 600; font-size: 0.8rem; }

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
  background: var(--muted);
}
.status-dot.online { background: var(--ok); box-shadow: 0 0 8px var(--ok); }
.status-dot.warn { background: var(--warn); }
.status-hint {
  margin-left: 4px;
  color: var(--muted);
  cursor: help;
  font-size: 0.75rem;
}

.rate-inputs { display: flex; gap: 0.35rem; align-items: center; flex-wrap: wrap; }
.rate-inputs input {
  width: 5rem;
  min-width: 4rem;
  padding: 0.4rem 0.45rem;
  pointer-events: auto;
}
.col-rates { min-width: 220px; }

dialog {
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--card);
  color: var(--text);
  padding: 1.25rem;
  max-width: 420px;
}
dialog::backdrop { background: #0009; }
.dialog-actions { display: flex; justify-content: flex-end; gap: 0.5rem; margin-top: 1rem; }

.actions { display: flex; flex-wrap: wrap; gap: 0.35rem; }