:root {
  --fg: #1a1a1a;
  --bg: #fafafa;
  --muted: #6a6a6a;
  --border: #d4d4d4;
  --accent: #0066cc;
  --bad: #b00020;
  --good: #006600;
  --warn: #aa6600;
}
* { box-sizing: border-box; }
html, body {
  margin: 0; padding: 0;
  font: 15px/1.4 -apple-system, BlinkMacSystemFont, "Segoe UI", system-ui, sans-serif;
  color: var(--fg); background: var(--bg);
}
body { padding-bottom: 2rem; }
nav {
  display: flex; gap: 1rem; align-items: center;
  padding: .75rem 1rem; background: #fff;
  border-bottom: 1px solid var(--border);
  position: sticky; top: 0; z-index: 1;
}
nav a { color: var(--accent); text-decoration: none; }
nav a:hover { text-decoration: underline; }
nav .logout { margin-left: auto; }
main { padding: 1rem; max-width: 720px; margin: 0 auto; }
h1, h2 { margin-top: 0; }
h1 { font-size: 1.4rem; } h2 { font-size: 1.15rem; }
table { width: 100%; border-collapse: collapse; }
th, td { padding: .5rem; border-bottom: 1px solid var(--border); text-align: left; vertical-align: top; }
th { font-weight: 600; font-size: .85rem; color: var(--muted); }
form { margin: 0; }
button {
  font: inherit; padding: .4rem .8rem; border: 1px solid var(--border);
  background: #fff; border-radius: 4px; cursor: pointer;
}
button:hover { background: #f0f0f0; }
button.primary { background: var(--accent); color: #fff; border-color: var(--accent); }
button.danger { color: var(--bad); }
input[type=text], input[type=number], input[type=password] {
  font: inherit; padding: .4rem; border: 1px solid var(--border); border-radius: 4px;
  width: 100%; max-width: 16rem;
}
.card {
  background: #fff; border: 1px solid var(--border); border-radius: 6px;
  padding: 1rem; margin-bottom: .75rem;
}
.card h3 { margin: 0 0 .25rem; }
.deal-row { display: flex; gap: .75rem; align-items: flex-start; }
.deal-row img { width: 64px; height: 64px; object-fit: cover; border-radius: 4px; }
.muted { color: var(--muted); font-size: .85rem; }
.status-active { color: var(--good); }
.status-paused { color: var(--warn); }
.status-auth_failed { color: var(--bad); }
.chart { background: #fff; border: 1px solid var(--border); border-radius: 6px; }
.flash { padding: .5rem .75rem; border-radius: 4px; margin-bottom: .75rem; }
.flash.error { background: #fce4e4; color: var(--bad); }
.flash.ok { background: #e4f4e4; color: var(--good); }
.actions { display: flex; gap: .5rem; flex-wrap: wrap; }
@media (max-width: 480px) {
  main { padding: .75rem; }
  nav { gap: .5rem; padding: .5rem; font-size: .9rem; }
  table { font-size: .85rem; }
}