:root {
  --bg: #0f1115;
  --panel: #171a21;
  --panel-2: #1f242c;
  --border: #2a313c;
  --text: #e4e7eb;
  --muted: #8a94a3;
  --accent: #4f8cff;
  --accent-2: #355fb5;
  --ok: #2ecc71;
  --warn: #f1c40f;
  --err: #e74c3c;
  --radius: 8px;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  background: var(--bg);
  color: var(--text);
  font: 14px/1.5 system-ui, -apple-system, "Segoe UI", Roboto, sans-serif;
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }
code { background: #0a0c10; padding: 1px 6px; border-radius: 4px; font-family: ui-monospace, Consolas, monospace; }
.muted { color: var(--muted); }
.small { font-size: 12px; }
.center { text-align: center; }
.spacer { flex: 1; }

.topnav {
  display: flex; align-items: center; gap: 16px;
  background: var(--panel);
  border-bottom: 1px solid var(--border);
  padding: 10px 20px;
}
.topnav .brand { font-weight: 700; letter-spacing: 0.5px; }
.topnav .navlink {
  color: var(--text); padding: 6px 10px; border-radius: 6px;
}
.topnav .navlink:hover { background: var(--panel-2); text-decoration: none; }
.topnav .user { color: var(--muted); font-size: 13px; }

.container { max-width: 1100px; margin: 0 auto; padding: 24px 20px 60px; }
.page-header h1 { margin: 0 0 4px; font-size: 22px; }
.page-header p { margin: 0 0 20px; }

.card {
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px 20px;
  margin-bottom: 18px;
}
.card h2 { margin: 0 0 12px; font-size: 15px; color: var(--muted); text-transform: uppercase; letter-spacing: 0.5px; }

.login-card {
  max-width: 360px;
  margin: 80px auto;
  background: var(--panel);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 28px;
}
.login-card h1 { margin: 0 0 4px; font-size: 20px; }
.login-card p { margin: 0 0 18px; }
.login-card label { display: block; margin-bottom: 12px; font-size: 13px; color: var(--muted); }
.login-card input,
.row-form input,
form input[type="text"],
form input[type="password"],
form textarea {
  width: 100%; padding: 9px 11px; margin-top: 4px;
  background: var(--panel-2); color: var(--text);
  border: 1px solid var(--border); border-radius: 6px;
  font: inherit;
}
form textarea { resize: vertical; font-family: ui-monospace, Consolas, monospace; font-size: 12px; }

button {
  font: inherit; cursor: pointer;
  padding: 8px 14px; border-radius: 6px; border: 1px solid var(--border);
  background: var(--panel-2); color: var(--text);
}
button.primary { background: var(--accent); border-color: var(--accent); color: white; }
button.primary:hover { background: var(--accent-2); }
button.ghost { background: transparent; }
button.danger { color: var(--err); border-color: rgba(231, 76, 60, 0.4); }
button.danger:hover { background: rgba(231, 76, 60, 0.1); }
button.small { padding: 4px 10px; font-size: 12px; }

.row-form { display: flex; gap: 10px; align-items: center; }
.row-form input { width: 240px; margin-top: 0; }
.row-form button { margin-top: 0; }

.error { background: rgba(231,76,60,0.1); color: var(--err); padding: 10px 12px; border-radius: 6px; margin-bottom: 14px; }
.callout {
  background: rgba(79,140,255,0.08); border: 1px solid rgba(79,140,255,0.25);
  padding: 12px 14px; border-radius: 6px; margin-bottom: 16px;
}
.callout .key { display: block; margin-top: 6px; padding: 8px 10px; background: #0a0c10; font-size: 12px; word-break: break-all; }

table.data {
  width: 100%; border-collapse: collapse; font-size: 13px;
}
table.data th, table.data td { text-align: left; padding: 9px 10px; border-bottom: 1px solid var(--border); }
table.data th { color: var(--muted); font-weight: 500; text-transform: uppercase; font-size: 11px; letter-spacing: 0.4px; }
table.data tbody tr:hover { background: rgba(255,255,255,0.02); }
.actions { white-space: nowrap; }
.actions form { display: inline; margin-left: 4px; }

.pill {
  display: inline-block; padding: 2px 9px; border-radius: 999px; font-size: 11px;
  background: var(--panel-2); border: 1px solid var(--border);
}
.pill-ok       { color: var(--ok);   border-color: rgba(46,204,113,0.4); }
.pill-off      { color: var(--muted);}
.pill-queued   { color: var(--accent); border-color: rgba(79,140,255,0.4); }
.pill-solving  { color: var(--warn); border-color: rgba(241,196,15,0.4); }
.pill-done     { color: var(--ok);   border-color: rgba(46,204,113,0.4); }
.pill-cooldown { color: var(--warn); }
.pill-disabled { color: var(--err);  border-color: rgba(231,76,60,0.4); }
.pill-admin    { color: #ff8e3c; border-color: rgba(255,142,60,0.4); }
.pill-user     { color: var(--muted); }

.cfg-form label { display: block; margin-bottom: 14px; font-size: 13px; color: var(--muted); max-width: 460px; }
.cfg-form select { width: 100%; padding: 9px 11px; margin-top: 4px; background: var(--panel-2); color: var(--text); border: 1px solid var(--border); border-radius: 6px; font: inherit; }
.cfg-form .cfg-h { margin: 22px 0 10px; font-size: 12px; color: var(--accent); text-transform: uppercase; letter-spacing: 0.6px; }
.cfg-form .cfg-h:first-child { margin-top: 0; }
.cfg-form .check { display: flex; align-items: center; gap: 8px; color: var(--text); }
.cfg-form .check input { width: auto; margin: 0; }

.stats { display: flex; gap: 10px; margin-bottom: 18px; }
.stat {
  flex: 1; background: var(--panel); border: 1px solid var(--border);
  border-radius: var(--radius); padding: 14px;
}
.stat-n { font-size: 22px; font-weight: 600; }
.stat-l { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: 0.5px; }