:root {
  --bg: #0c0e14;
  --panel: #14171f;
  --panel2: #1b1f2a;
  --line: #262b38;
  --text: #e6e8ef;
  --muted: #8a90a2;
  --accent: #35e0d6;
  --accent2: #7b5cff;
  --danger: #ff5c6c;
  --radius: 12px;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: var(--bg);
  color: var(--text);
}
.hidden { display: none !important; }
.muted { color: var(--muted); }
.error { color: var(--danger); min-height: 1.2em; margin: 6px 0 0; }
.lock { margin-right: 8px; }

/* login */
.login { min-height: 100vh; display: grid; place-items: center; padding: 16px; }
.login-card {
  width: 100%; max-width: 380px; background: var(--panel);
  border: 1px solid var(--line); border-radius: var(--radius); padding: 28px;
  display: flex; flex-direction: column; gap: 12px;
}
.brand { display: flex; align-items: center; }
.brand h1 { font-size: 20px; margin: 0; }
.brand.small { gap: 4px; margin-bottom: 24px; }
.login-card input, .login-card button { width: 100%; }

input, select, button {
  font: inherit; color: var(--text); background: var(--panel2);
  border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px;
}
input:focus, select:focus { outline: 1px solid var(--accent); }
button {
  background: linear-gradient(90deg, var(--accent), var(--accent2));
  color: #06121a; font-weight: 700; border: none; cursor: pointer;
}
button:disabled { opacity: .5; cursor: not-allowed; }

/* app */
.app { display: grid; grid-template-columns: 220px 1fr; min-height: 100vh; }
.side {
  background: var(--panel); border-right: 1px solid var(--line);
  padding: 20px 16px; display: flex; flex-direction: column;
}
.side nav { margin-top: 20px; display: flex; flex-direction: column; gap: 4px; flex: 1; }
.side nav a {
  padding: 10px 12px; border-radius: 8px; color: var(--muted);
  text-decoration: none; cursor: default;
}
.side nav a.active { background: var(--panel2); color: var(--text); }
.logout { background: none; color: var(--danger); border: 1px solid var(--line); }

.main { padding: 24px 28px; max-width: 1000px; }
.top h2 { margin: 0 0 20px; }
.card {
  background: var(--panel); border: 1px solid var(--line);
  border-radius: var(--radius); padding: 20px; margin-bottom: 20px;
}
.card h3 { margin: 0 0 16px; }
.grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-bottom: 16px; }
.grid label { display: flex; flex-direction: column; gap: 6px; font-size: 13px; color: var(--muted); }
.grid .check { flex-direction: row; align-items: center; gap: 8px; }
.grid .check input { width: auto; }
.msg { min-height: 1.2em; margin: 12px 0 0; }
.msg.ok { color: var(--accent); }
.msg.err { color: var(--danger); }

table { width: 100%; border-collapse: collapse; }
th, td { text-align: left; padding: 12px 8px; border-bottom: 1px solid var(--line); font-size: 14px; }
th { color: var(--muted); font-weight: 600; }
td a.dl {
  display: inline-block; padding: 6px 12px; border-radius: 6px;
  background: var(--panel2); border: 1px solid var(--line); color: var(--accent);
  text-decoration: none; font-size: 13px;
}
.status-ok { color: var(--accent); }

@media (max-width: 720px) {
  .app { grid-template-columns: 1fr; }
  .side { flex-direction: row; align-items: center; }
  .side nav { flex-direction: row; margin: 0 0 0 16px; }
  .grid { grid-template-columns: 1fr; }
}