:root {
  --bg: #0b1220;
  --panel: #0f1b31;
  --text: #e8eefc;
  --muted: #9bb0d0;
  --brand: #3b82f6;
  --border: rgba(255,255,255,.08);
}

* { box-sizing: border-box; }
body {
  margin: 0;
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial;
  background: radial-gradient(1200px 600px at 50% -10%, rgba(59,130,246,.35), transparent), var(--bg);
  color: var(--text);
}

a { color: var(--brand); text-decoration: none; }
a:hover { text-decoration: underline; }

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px 18px;
  border-bottom: 1px solid var(--border);
  background: rgba(15,27,49,.7);
  backdrop-filter: blur(10px);
  position: sticky;
  top: 0;
}
.brand a { color: var(--text); font-weight: 700; letter-spacing: .5px; }
.nav { display: flex; gap: 14px; align-items: center; }
.container { max-width: 980px; margin: 0 auto; padding: 26px 18px; }
.footer { padding: 26px 18px; text-align: center; color: var(--muted); border-top: 1px solid var(--border); }

.btn {
  display: inline-block;
  padding: 10px 14px;
  border-radius: 10px;
  background: var(--brand);
  color: white;
  border: 1px solid rgba(255,255,255,.12);
}
.btn.secondary { background: transparent; color: var(--text); }
.linklike {
  background: transparent;
  border: 0;
  color: var(--text);
  cursor: pointer;
  padding: 0;
}

.hero { padding: 34px 0; }
.hero h1 { font-size: 40px; margin: 0 0 10px; }
.hero p { color: var(--muted); max-width: 64ch; }
.actions { display: flex; gap: 12px; margin-top: 14px; }

.card {
  background: rgba(15,27,49,.82);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px;
}
.card.clickable:hover { border-color: rgba(59,130,246,.45); }

.grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 12px; }

label { display: block; margin-bottom: 12px; color: var(--muted); }
input, select, textarea {
  width: 100%;
  padding: 10px 12px;
  margin-top: 6px;
  border-radius: 10px;
  border: 1px solid var(--border);
  background: rgba(11,18,32,.55);
  color: var(--text);
}

.muted { color: var(--muted); }
.alert {
  background: rgba(239,68,68,.15);
  border: 1px solid rgba(239,68,68,.3);
  padding: 10px 12px;
  border-radius: 12px;
  margin-bottom: 12px;
}

.row { display: flex; gap: 18px; }
.row.space-between { justify-content: space-between; align-items: center; }
hr { border: 0; border-top: 1px solid var(--border); margin: 14px 0; }
.label { color: var(--muted); font-size: 12px; text-transform: uppercase; letter-spacing: .08em; }
.mono { font-family: ui-monospace, SFMono-Regular, Menlo, Monaco, Consolas, "Liberation Mono", "Courier New", monospace; }

.table { width: 100%; border-collapse: collapse; }
.table th, .table td { padding: 10px 8px; border-bottom: 1px solid var(--border); text-align: left; }