:root {
  --bg: #0b0e14;
  --panel: #131722;
  --panel-border: #232838;
  --text: #e6e9f0;
  --text-dim: #9aa3b8;
  --accent: #5b8cff;
  --safe: #3ddc84;
  --watch: #f4c542;
  --danger: #ff9142;
  --critical: #ff5a5a;
  --liquidatable: #ff3b3b;
  --radius: 10px;
}

@media (prefers-color-scheme: light) {
  :root {
    --bg: #f6f7fb;
    --panel: #ffffff;
    --panel-border: #e2e5ee;
    --text: #171a21;
    --text-dim: #5c6377;
  }
}

* { 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);
  line-height: 1.5;
}

.wrap {
  max-width: 720px;
  margin: 0 auto;
  padding: 32px 20px 64px;
}

header.hero {
  text-align: center;
  margin-bottom: 28px;
}

header.hero h1 {
  font-size: 2rem;
  margin: 0 0 6px;
  letter-spacing: -0.02em;
}

header.hero p.tagline {
  color: var(--text-dim);
  margin: 0;
  font-size: 1.05rem;
}

.badge-readonly {
  display: flex;
  align-items: center;
  gap: 10px;
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 12px 16px;
  margin: 20px 0;
  font-size: 0.92rem;
  color: var(--text-dim);
}

.badge-readonly .dot {
  width: 9px;
  height: 9px;
  border-radius: 50%;
  background: var(--safe);
  flex-shrink: 0;
}

.badge-readonly strong { color: var(--text); }

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

.check-form {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
}

.check-form input[type="text"] {
  flex: 1;
  min-width: 240px;
  padding: 12px 14px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
}

.check-form select {
  padding: 12px 10px;
  border-radius: 8px;
  border: 1px solid var(--panel-border);
  background: var(--bg);
  color: var(--text);
  font-size: 0.95rem;
}

.check-form button {
  padding: 12px 20px;
  border-radius: 8px;
  border: none;
  background: var(--accent);
  color: white;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
}

.check-form button:disabled {
  opacity: 0.6;
  cursor: default;
}

#result { margin-top: 18px; }

.tier-badge {
  display: inline-block;
  padding: 4px 12px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 0.85rem;
  text-transform: uppercase;
  letter-spacing: 0.02em;
}

.tier-safe { background: color-mix(in srgb, var(--safe) 20%, transparent); color: var(--safe); }
.tier-watch { background: color-mix(in srgb, var(--watch) 20%, transparent); color: var(--watch); }
.tier-danger { background: color-mix(in srgb, var(--danger) 20%, transparent); color: var(--danger); }
.tier-critical { background: color-mix(in srgb, var(--critical) 20%, transparent); color: var(--critical); }
.tier-liquidatable { background: color-mix(in srgb, var(--liquidatable) 20%, transparent); color: var(--liquidatable); }
.tier-none { background: color-mix(in srgb, var(--text-dim) 20%, transparent); color: var(--text-dim); }

.stat-row {
  display: flex;
  justify-content: space-between;
  padding: 8px 0;
  border-bottom: 1px solid var(--panel-border);
  font-size: 0.92rem;
}
.stat-row:last-child { border-bottom: none; }
.stat-row .label { color: var(--text-dim); }

.error-box {
  background: color-mix(in srgb, var(--critical) 12%, transparent);
  border: 1px solid color-mix(in srgb, var(--critical) 35%, transparent);
  color: var(--text);
  border-radius: 8px;
  padding: 12px 14px;
  font-size: 0.9rem;
}

.empty-box {
  color: var(--text-dim);
  font-size: 0.92rem;
  text-align: center;
  padding: 12px 0;
}

.cta {
  text-align: center;
  margin-top: 14px;
}

.cta a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
  font-size: 0.92rem;
}
.cta a:hover { text-decoration: underline; }

.widgets {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 14px;
  margin-bottom: 20px;
}
@media (max-width: 520px) {
  .widgets { grid-template-columns: 1fr; }
}

.widget {
  background: var(--panel);
  border: 1px solid var(--panel-border);
  border-radius: var(--radius);
  padding: 16px;
  font-size: 0.88rem;
}

.widget h3 {
  margin: 0 0 8px;
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.04em;
  color: var(--text-dim);
}

.widget .big {
  font-size: 1.6rem;
  font-weight: 700;
}

.widget .sub {
  color: var(--text-dim);
  font-size: 0.82rem;
  margin-top: 2px;
}

.status-dot {
  display: inline-block;
  width: 8px;
  height: 8px;
  border-radius: 50%;
  margin-right: 6px;
}
.status-online { background: var(--safe); }
.status-offline { background: var(--critical); }
.status-checking { background: var(--text-dim); }

footer {
  text-align: center;
  margin-top: 32px;
  font-size: 0.85rem;
  color: var(--text-dim);
}
footer a { color: var(--text-dim); }

.spinner {
  display: inline-block;
  width: 14px;
  height: 14px;
  border: 2px solid var(--panel-border);
  border-top-color: var(--accent);
  border-radius: 50%;
  animation: spin 0.7s linear infinite;
  margin-right: 8px;
  vertical-align: middle;
}
@keyframes spin { to { transform: rotate(360deg); } }

.positions-list {
  margin-top: 12px;
  display: flex;
  flex-direction: column;
  gap: 8px;
}
.position-row {
  background: var(--bg);
  border: 1px solid var(--panel-border);
  border-radius: 8px;
  padding: 10px 12px;
  font-size: 0.88rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
}