:root {
  --rail: #174f46;
  --rail-dark: #0b332f;
  --rail-text: #f8ffff;
  --paper: #f6f7f5;
  --panel: #ffffff;
  --ink: #1d2726;
  --muted: #5f6b68;
  --line: #c9d4cf;
  --accent: #0b5f8a;
  --accent-soft: #e7f2f6;
  --ok: #237a5b;
  --warn: #8a5200;
}
* { box-sizing: border-box; }
html { font-size: 15px; }
body {
  margin: 0;
  background: var(--paper);
  color: var(--ink);
  font-family: Tahoma, Arial, sans-serif;
  line-height: 1.45;
}
a { color: var(--accent); }
a:hover { color: #073f5d; }
.site {
  min-height: 100vh;
  display: grid;
  grid-template-columns: 280px minmax(0, 1fr);
}
.rail {
  position: sticky;
  top: 0;
  height: 100vh;
  align-self: start;
  background: var(--rail);
  color: var(--rail-text);
  padding: 14px 12px;
  border-right: 1px solid var(--rail-dark);
  overflow-y: auto;
}
.rail-toggle {
  width: 34px;
  height: 28px;
  border: 1px solid rgba(255,255,255,.35);
  background: rgba(255,255,255,.1);
  color: var(--rail-text);
  cursor: pointer;
  margin-bottom: 10px;
}
.brand {
  display: grid;
  grid-template-columns: 52px minmax(0, 1fr);
  gap: 10px;
  align-items: center;
  margin-bottom: 12px;
}
.brand img { width: 52px; height: 52px; }
.brand-title { margin: 0; font-size: 1.18rem; line-height: 1.15; }
.tagline { margin: 0 0 14px; color: #d9eeee; font-size: .9rem; }
.menu { display: grid; gap: 5px; }
.menu a {
  display: grid;
  grid-template-columns: 30px minmax(0, 1fr);
  gap: 8px;
  align-items: center;
  min-height: 34px;
  color: var(--rail-text);
  text-decoration: none;
  border: 1px solid transparent;
  padding: 5px 7px;
}
.menu a:hover, .menu a.active {
  background: rgba(255,255,255,.14);
  border-color: rgba(255,255,255,.3);
}
.icon {
  display: inline-grid;
  place-items: center;
  width: 28px;
  height: 24px;
  border: 1px solid rgba(255,255,255,.35);
  font-size: .76rem;
  font-weight: bold;
}
.rail-foot {
  margin-top: 16px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,.25);
  font-size: .82rem;
  color: #d9eeee;
}
.rail-foot a { color: #f8ffff; }
.rail-collapsed .site { grid-template-columns: 64px minmax(0, 1fr); }
.rail-collapsed .brand-title,
.rail-collapsed .tagline,
.rail-collapsed .menu-label,
.rail-collapsed .rail-foot { display: none; }
.rail-collapsed .brand { grid-template-columns: 40px; }
.rail-collapsed .brand img { width: 40px; height: 40px; }
.rail-collapsed .menu a { grid-template-columns: 30px; justify-content: center; }
main { min-width: 0; }
.topbar {
  display: grid;
  grid-template-columns: minmax(0, 1fr) auto;
  gap: 12px;
  align-items: center;
  border-bottom: 1px solid var(--line);
  background: #fff;
  padding: 12px 18px;
}
.topbar h1 { margin: 0; color: var(--rail-dark); font-size: 1.5rem; }
.crumb { color: var(--muted); font-size: .9rem; margin-top: 2px; }
.content { padding: 18px; max-width: 1200px; }
.panel {
  background: var(--panel);
  border: 1px solid var(--line);
  padding: 16px;
  margin-bottom: 14px;
}
.panel h2 { margin: 0 0 9px; color: var(--rail-dark); font-size: 1.25rem; }
.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(240px, 1fr)); gap: 12px; }
.card { border: 1px solid var(--line); background: #fff; padding: 12px; }
.button-row { display: flex; flex-wrap: wrap; gap: 8px; }
.button {
  display: inline-block;
  border: 1px solid #7c8f8c;
  background: #f0f4f3;
  color: #0b2f2d;
  text-decoration: none;
  padding: 8px 10px;
}
.button.primary { background: var(--accent-soft); border-color: var(--accent); font-weight: bold; }
.button.warn { background: #fff5e0; border-color: var(--warn); color: #4c2d00; }
.muted { color: var(--muted); }
.warn-text { color: var(--warn); font-weight: bold; }
.ok-text { color: var(--ok); font-weight: bold; }
table { border-collapse: collapse; width: auto; max-width: 100%; background: #fff; }
th, td { border: 1px solid var(--line); padding: 7px 8px; text-align: left; vertical-align: top; overflow-wrap: anywhere; }
th { background: #e9efed; color: #122; cursor: pointer; position: relative; }
td.number, th.number { text-align: right; }
.table-wrap { max-width: 100%; }
.resizer { position: absolute; right: 0; top: 0; width: 8px; height: 100%; cursor: col-resize; }
.hash { font-family: Consolas, "Courier New", monospace; font-size: .9rem; word-break: break-all; }
footer { color: var(--muted); padding: 18px; border-top: 1px solid var(--line); }
@media (max-width: 760px) {
  .site { grid-template-columns: 1fr; }
  .rail { position: relative; height: auto; }
  .rail-collapsed .site { grid-template-columns: 1fr; }
  .rail-collapsed .menu, .rail-collapsed .tagline, .rail-collapsed .rail-foot { display: none; }
  .content { padding: 12px; }
  .topbar { grid-template-columns: 1fr; }
}