:root {
  --bg: #0f1720;
  --panel: #17212b;
  --panel-2: #1e2b38;
  --line: #2a3a49;
  --text: #e8eef4;
  --muted: #92a4b5;
  --accent: #2f9e6d;
  --accent-2: #3ab07d;
  --error: #e2606a;
}
* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: system-ui, -apple-system, Segoe UI, Roboto, sans-serif;
  background: radial-gradient(1200px 600px at 70% -10%, #1a2b25 0%, var(--bg) 55%);
  color: var(--text);
  min-height: 100vh;
}
.topbar {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 24px; border-bottom: 1px solid var(--line);
}
.brand { font-weight: 700; font-size: 20px; letter-spacing: .2px; }
.brand .ai { color: var(--accent-2); }
.brand .dot {
  display: inline-block; width: 10px; height: 10px; border-radius: 50%;
  background: var(--accent-2); margin-right: 8px; box-shadow: 0 0 12px var(--accent-2);
}
.whoami { color: var(--muted); font-size: 14px; }
.view { max-width: 780px; margin: 0 auto; padding: 28px 20px 60px; }
.card {
  background: var(--panel); border: 1px solid var(--line); border-radius: 14px;
  padding: 22px; margin-bottom: 20px;
}
h1 { font-size: 26px; margin: 0 0 6px; }
h2 { font-size: 18px; margin: 0 0 4px; }
.sub { color: var(--muted); margin: 0 0 16px; font-size: 14px; }
label { display: block; font-size: 13px; color: var(--muted); margin: 12px 0 6px; }
input {
  width: 100%; padding: 11px 12px; border-radius: 9px;
  border: 1px solid var(--line); background: var(--panel-2); color: var(--text); font-size: 15px;
}
button {
  margin-top: 16px; padding: 11px 18px; border: 0; border-radius: 9px;
  background: var(--accent); color: white; font-weight: 600; font-size: 15px; cursor: pointer;
}
button:hover { background: var(--accent-2); }
.login-card { max-width: 420px; margin: 40px auto 0; }
.demo-hint {
  margin-top: 20px; padding: 12px; border-radius: 9px; background: var(--panel-2);
  display: flex; flex-direction: column; gap: 3px; font-size: 13px; color: var(--muted);
}
.demo-hint strong { color: var(--text); margin-bottom: 3px; }
.error { color: var(--error); font-size: 14px; margin-top: 12px; }
.hidden { display: none; }
.chat-log { display: flex; flex-direction: column; gap: 10px; margin-bottom: 12px; min-height: 40px; }
.msg { padding: 10px 13px; border-radius: 10px; max-width: 85%; font-size: 14px; line-height: 1.45; }
.msg.user { align-self: flex-end; background: var(--accent); }
.msg.bot { align-self: flex-start; background: var(--panel-2); border: 1px solid var(--line); }
.sources {
  align-self: flex-start; font-size: 12px; color: var(--muted);
  margin-top: -4px; padding-left: 4px;
}
.chat-input { display: flex; gap: 10px; }
.chat-input input { margin: 0; }
.chat-input button { margin: 0; white-space: nowrap; }
.doc-list, .audit-list { list-style: none; padding: 0; margin: 14px 0 0; font-size: 13px; }
.doc-list li, .audit-list li {
  padding: 8px 10px; border: 1px solid var(--line); border-radius: 8px;
  margin-bottom: 6px; color: var(--muted); background: var(--panel-2);
}
.audit-list li b { color: var(--text); }
.hint { font-size: 13px; color: var(--muted); margin-top: 14px; }
.hint a { color: var(--accent-2); }
.badge {
  font-size: 11px; background: var(--panel-2); border: 1px solid var(--line);
  padding: 2px 8px; border-radius: 20px; color: var(--accent-2); vertical-align: middle;
}
.doc-list .ok { color: var(--accent-2); }
.doc-list .pending { color: #d3a24a; }
.secondary { background: transparent; border: 1px solid var(--line); color: var(--muted); margin-left: 10px; }
.secondary:hover { background: var(--panel-2); }
.logout { background: transparent; border: 1px solid var(--line); color: var(--muted); }
.logout:hover { background: var(--panel-2); }

/* Signup: switch link between the login and registration cards */
.switch { margin-top: 14px; font-size: 14px; color: #6b7280; }
.switch a { color: #2563eb; text-decoration: none; font-weight: 500; }
.switch a:hover { text-decoration: underline; }
.hint-inline { font-weight: 400; color: #9ca3af; font-size: 12px; }

/* Platform operations dashboard */
.topbar-right { display: flex; align-items: center; gap: 14px; }
.navlink { background: transparent; border: 1px solid var(--line, #d1d5db); color: inherit;
  border-radius: 8px; padding: 6px 12px; font-size: 13px; cursor: pointer; width: auto; }
.navlink:hover { border-color: #2563eb; color: #2563eb; }

.tiles { display: flex; flex-wrap: wrap; gap: 12px; margin: 14px 0 6px; }
.tile { flex: 1 1 120px; background: rgba(37, 99, 235, .06); border: 1px solid rgba(37, 99, 235, .18);
  border-radius: 10px; padding: 14px 16px; display: flex; flex-direction: column; gap: 4px; }
.tile-v { font-size: 26px; font-weight: 600; line-height: 1; }
.tile-l { font-size: 12px; color: #6b7280; }

.grid { width: 100%; border-collapse: collapse; font-size: 14px; margin-top: 10px; }
.grid th, .grid td { text-align: left; padding: 8px 10px; border-bottom: 1px solid rgba(128,128,128,.18); }
.grid th { font-size: 12px; text-transform: uppercase; letter-spacing: .04em; color: #6b7280; font-weight: 600; }
.grid td.num, .grid th.num { text-align: right; font-variant-numeric: tabular-nums; }
.grid .mono { font-family: ui-monospace, SFMono-Regular, Menlo, monospace; font-size: 13px; color: #6b7280; }
.grid tbody tr:hover { background: rgba(128,128,128,.05); }

/* Approval workflow */
.pill { font-size: 12px; padding: 2px 9px; border-radius: 999px; white-space: nowrap; }
.pill.pending  { background: rgba(217,119,6,.14);  color: #b45309; }
.pill.approved { background: rgba(5,150,105,.14);  color: #047857; }
.pill.rejected { background: rgba(220,38,38,.12);  color: #b91c1c; }
.grid td.actions { white-space: nowrap; }
.mini { width: auto; padding: 4px 10px; font-size: 12px; border-radius: 6px;
  border: 1px solid transparent; cursor: pointer; }
.mini.ok { background: #059669; color: #fff; }
.mini.no { background: transparent; color: #b91c1c; border-color: rgba(185,28,28,.4); }
.mini:disabled { opacity: .5; cursor: default; }

/* Service vitals */
.badge.ok   { background: rgba(5,150,105,.16);  color: #047857; }
.badge.warn { background: rgba(220,38,38,.14);  color: #b91c1c; }
.tile-v.small { font-size: 17px; }