:root {
  --bg: #f3f6f4;
  --bg2: #e7efe9;
  --ink: #14201a;
  --muted: #5c6b63;
  --accent: #1a5f4a;
  --accent2: #c45c26;
  --line: #c9d5ce;
  --danger: #8b1e1e;
  --ok: #1a5f4a;
  --panel: #ffffff;
  --font: "IBM Plex Sans", "Segoe UI", sans-serif;
  --mono: "IBM Plex Mono", ui-monospace, monospace;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: var(--font);
  color: var(--ink);
  background:
    radial-gradient(ellipse at 10% 0%, #d9ebe2 0%, transparent 45%),
    radial-gradient(ellipse at 90% 10%, #f0e2d6 0%, transparent 40%),
    var(--bg);
  min-height: 100vh;
}
a { color: var(--accent); }
.topbar {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 0.75rem;
  padding: 0.85rem 1.25rem;
  background: rgba(20, 32, 26, 0.92);
  color: #f4f7f5;
}
.topbar a { color: #d7e6de; margin-right: 0.85rem; text-decoration: none; }
.topbar a:hover { color: #fff; }
.brand { font-weight: 700; letter-spacing: 0.02em; }
.brand span { font-weight: 400; opacity: 0.75; margin-left: 0.35rem; }
.container { max-width: 1100px; margin: 0 auto; padding: 1.25rem; }
h1, h2, h3 { line-height: 1.2; }
.muted { color: var(--muted); }
.error { color: var(--danger); }
.ok { color: var(--ok); font-weight: 600; }
.panel, .login-box {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 1rem 1.1rem;
  margin-bottom: 1rem;
}
.login-box { max-width: 360px; margin: 4rem auto; }
label { display: block; margin: 0.55rem 0; font-size: 0.92rem; }
input, select, textarea, button {
  font: inherit;
  padding: 0.45rem 0.55rem;
  border: 1px solid var(--line);
  background: #fff;
  width: 100%;
  max-width: 100%;
}
button {
  width: auto;
  background: var(--accent);
  color: #fff;
  border: none;
  cursor: pointer;
  padding: 0.5rem 0.9rem;
  margin-top: 0.4rem;
}
button:hover { filter: brightness(1.05); }
.check { display: flex; align-items: center; gap: 0.4rem; }
.check input { width: auto; }
.inline { display: inline; }
.inline button { margin-left: 0.25rem; }
.grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid.three { display: grid; grid-template-columns: repeat(3, 1fr); gap: 1rem; }
table { width: 100%; border-collapse: collapse; background: var(--panel); margin: 0.75rem 0; }
th, td { border-bottom: 1px solid var(--line); padding: 0.45rem 0.5rem; text-align: left; font-size: 0.92rem; }
.compact th, .compact td { font-size: 0.8rem; padding: 0.2rem 0.35rem; }
.score { font-size: 2rem; font-weight: 700; color: var(--accent); margin: 0.2rem 0; }
.code, .code-input {
  font-family: var(--mono);
  font-size: 0.8rem;
  white-space: pre-wrap;
  background: var(--bg2);
  padding: 0.75rem;
  overflow: auto;
}
.code-input { width: 100%; min-height: 360px; }
.chart { width: 100%; height: auto; background: var(--bg2); border: 1px solid var(--line); }
.events { list-style: none; padding: 0; }
.events li { padding: 0.35rem 0; border-bottom: 1px solid var(--line); font-size: 0.9rem; }
.lvl { font-weight: 700; margin-right: 0.35rem; }
.lvl.ERROR { color: var(--danger); }
.lvl.WARNING { color: var(--accent2); }
.badge {
  display: inline-block;
  font-size: 0.72rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  padding: 0.15rem 0.4rem;
  border: 1px solid var(--line);
}
.badge.status-healthy { color: var(--ok); border-color: #9bc5b4; background: #e8f5ef; }
.badge.status-warning { color: #8a6d1d; border-color: #e0c979; background: #fff8e1; }
.badge.status-degraded { color: #8a6d1d; border-color: #e0c979; background: #fff8e1; }
.badge.status-rate_limited { color: #7a3e00; border-color: #e0a86d; background: #fff1e6; }
.badge.status-banned { color: var(--danger); border-color: #d9a0a0; background: #fbeaea; }
.badge.status-auth_error { color: var(--danger); border-color: #d9a0a0; background: #fbeaea; }
.badge.status-compatibility_error { color: #6b2d6b; border-color: #c9a0c9; background: #f8eef8; }
.badge.status-error { color: var(--danger); border-color: #d9a0a0; background: #fbeaea; }
.badge.status-unknown { color: var(--muted); }
.row { display: grid; grid-template-columns: repeat(auto-fit, minmax(120px, 1fr)); gap: 0.5rem; align-items: end; }
.mel-orderbook-panel .mel-ob-fields {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 0.75rem;
  margin: 0.75rem 0;
}
.mel-orderbook-panel label { display: flex; flex-direction: column; gap: 0.25rem; font-size: 0.9rem; }
.mel-orderbook-panel label.check { flex-direction: row; align-items: center; gap: 0.5rem; font-weight: 600; }
.mel-runtime-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
  gap: 0.55rem 0.85rem;
  margin: 0.5rem 0 0.75rem;
}
.mel-runtime-grid > div { display: flex; flex-direction: column; gap: 0.15rem; }
.mel-runtime-grid .mono, .mono { font-family: var(--mono); font-size: 0.9em; }
.mel-diagnostics { margin-top: 0.75rem; }
.mel-diagnostics summary { cursor: pointer; color: var(--accent); font-weight: 600; }
table.compact { width: 100%; border-collapse: collapse; font-size: 0.9rem; margin: 0.5rem 0; }
table.compact th, table.compact td { border-bottom: 1px solid var(--line); padding: 0.3rem 0.4rem; text-align: left; }
ul.compact-list { margin: 0.4rem 0; padding-left: 1.1rem; font-size: 0.9rem; }
.tiny { font-size: 0.8rem; }
.mel-effective { margin: 0.35rem 0 0.6rem; }
@media (max-width: 800px) {
  .grid.two, .grid.three { grid-template-columns: 1fr; }
  .topbar nav { display: flex; flex-wrap: wrap; gap: 0.35rem; }
}