:root {
  --bg: #0f1419;
  --side: #161b22;
  --card: #1c2330;
  --line: #2a3344;
  --text: #e7ecf3;
  --muted: #8b95a8;
  --accent: #3d8bfd;
  --ok: #2ea043;
  --danger: #e5534b;
  --radius: 10px;
  font-family: "Segoe UI", Manrope, system-ui, sans-serif;
}
* { box-sizing: border-box; }
body.ctrl {
  margin: 0;
  display: grid;
  grid-template-columns: 220px 1fr;
  min-height: 100vh;
  background: var(--bg);
  color: var(--text);
}
.ctrl-side {
  background: var(--side);
  border-right: 1px solid var(--line);
  display: flex;
  flex-direction: column;
  padding: 16px 12px;
  gap: 8px;
}
.ctrl-brand {
  font-weight: 700;
  font-size: 15px;
  padding: 8px 10px 16px;
  letter-spacing: 0.02em;
}
.ctrl-side nav {
  display: flex;
  flex-direction: column;
  gap: 2px;
  flex: 1;
}
.ctrl-side a {
  color: var(--muted);
  text-decoration: none;
  padding: 8px 10px;
  border-radius: 8px;
  font-size: 13px;
}
.ctrl-side a:hover,
.ctrl-side a.on {
  background: #222a38;
  color: #fff;
}
.ctrl-side-foot {
  display: flex;
  flex-direction: column;
  gap: 4px;
  padding-top: 12px;
  border-top: 1px solid var(--line);
}
.ctrl-side-foot a { font-size: 12px; }
.ctrl-main { padding: 20px 24px 40px; overflow: auto; }
.ctrl-top h1 { margin: 0 0 16px; font-size: 22px; }
.ctrl-cards {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
  gap: 12px;
  margin-bottom: 18px;
}
.card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 14px;
}
.card .k { color: var(--muted); font-size: 12px; }
.card .v { font-size: 20px; font-weight: 700; margin-top: 6px; }
.ctrl-form, .ctrl-table, .ctrl-row { margin-bottom: 18px; }
.ctrl-form {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 16px;
  display: grid;
  gap: 10px;
}
.ctrl-form.grid2 { grid-template-columns: 1fr 1fr; }
.ctrl-form.grid3 { grid-template-columns: 1fr 1fr 1fr; }
.ctrl-form.grid4 { grid-template-columns: repeat(4, 1fr); }
.ctrl-form label { display: flex; flex-direction: column; gap: 4px; font-size: 12px; color: var(--muted); }
.ctrl-form label.span2 { grid-column: span 2; }
.ctrl-form label.check { flex-direction: row; align-items: center; gap: 8px; color: var(--text); }
.ctrl-form input, .ctrl-form select, .ctrl-form textarea,
.inline-form input, .inline-form select {
  background: #0f1419;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 8px 10px;
  font: inherit;
}
.btn, button.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  border: 0;
  border-radius: 8px;
  padding: 9px 14px;
  background: #2a3344;
  color: #fff;
  font: inherit;
  font-weight: 600;
  cursor: pointer;
  text-decoration: none;
}
.btn.primary { background: var(--accent); }
.btn.danger, .link.danger, button.danger { background: #5a1d1d; color: #ffb4b0; }
.btn.sm { padding: 6px 10px; font-size: 12px; }
.ctrl-table {
  width: 100%;
  border-collapse: collapse;
  background: var(--card);
  border-radius: var(--radius);
  overflow: hidden;
  font-size: 13px;
}
.ctrl-table th, .ctrl-table td {
  border-bottom: 1px solid var(--line);
  padding: 10px 12px;
  text-align: left;
  vertical-align: middle;
}
.ctrl-table th { color: var(--muted); font-weight: 600; background: #171d28; }
.inline-form { display: flex; flex-wrap: wrap; gap: 8px; align-items: center; }
form.inline { display: inline; }
.link { background: none; border: 0; color: var(--accent); cursor: pointer; font: inherit; padding: 0; }
.ctrl-tabs { display: flex; flex-wrap: wrap; gap: 6px; margin-bottom: 12px; }
.ctrl-tabs a {
  padding: 6px 10px;
  border-radius: 999px;
  background: var(--card);
  border: 1px solid var(--line);
  color: var(--muted);
  text-decoration: none;
  font-size: 12px;
}
.ctrl-tabs a.on { background: var(--accent); color: #fff; border-color: var(--accent); }
.ctrl-flash .flash {
  padding: 10px 12px;
  border-radius: 8px;
  margin-bottom: 12px;
  background: #1a3a28;
  color: #8ce99a;
}
.ctrl-flash .flash.err { background: #3a1a1a; color: #ffb4b0; }
.muted, .hint { color: var(--muted); font-size: 12px; }
.ctrl-row { display: flex; gap: 10px; flex-wrap: wrap; align-items: center; }

body.ctrl-login {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  background: var(--bg);
  color: var(--text);
  font-family: inherit;
}
.ctrl-login-card {
  width: min(360px, 92vw);
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 24px;
  display: grid;
  gap: 12px;
}
.ctrl-login-card h1 { margin: 0; font-size: 20px; }
.ctrl-login-card label { display: grid; gap: 4px; font-size: 12px; color: var(--muted); }
.ctrl-login-card input {
  background: #0f1419;
  border: 1px solid var(--line);
  color: var(--text);
  border-radius: 8px;
  padding: 10px 12px;
  font: inherit;
}
.ctrl-login-card button {
  margin-top: 4px;
  border: 0;
  border-radius: 8px;
  padding: 11px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  font-weight: 700;
  cursor: pointer;
}
.flash.err { background: #3a1a1a; color: #ffb4b0; padding: 8px 10px; border-radius: 8px; }

@media (max-width: 900px) {
  body.ctrl { grid-template-columns: 1fr; }
  .ctrl-side { flex-direction: row; flex-wrap: wrap; }
  .ctrl-side nav { flex-direction: row; flex-wrap: wrap; }
  .ctrl-form.grid2, .ctrl-form.grid3, .ctrl-form.grid4 { grid-template-columns: 1fr; }
}