:root {
  --bg: #0f1419;
  --panel: #1a222c;
  --text: #e7eef7;
  --muted: #8b9bb0;
  --accent: #3d9cfd;
  --ok: #3ecf8e;
  --warn: #e6b84d;
  --bad: #f07178;
  --line: #2a3542;
  --radius: 12px;
  font-family: "Segoe UI", system-ui, sans-serif;
}

* { box-sizing: border-box; }
body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(1200px 600px at 10% -10%, #1c3a5a 0%, transparent 55%),
    radial-gradient(900px 500px at 100% 0%, #243028 0%, transparent 50%),
    var(--bg);
  color: var(--text);
}
a { color: var(--accent); text-decoration: none; }
a:hover { text-decoration: underline; }

.top {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 1rem 1.5rem;
  border-bottom: 1px solid var(--line);
  backdrop-filter: blur(8px);
}
.brand { font-weight: 700; color: var(--text); letter-spacing: 0.02em; }
.top nav a { margin-left: 1rem; color: var(--muted); }
.top nav a:hover { color: var(--text); }

.wrap { max-width: 1100px; margin: 0 auto; padding: 1.5rem; }
.foot { text-align: center; color: var(--muted); padding: 2rem 1rem; font-size: 0.85rem; }

.card {
  background: color-mix(in srgb, var(--panel) 92%, transparent);
  border: 1px solid var(--line);
  border-radius: var(--radius);
  padding: 1.25rem 1.4rem;
  margin-bottom: 1rem;
}
.card.narrow { max-width: 420px; margin: 3rem auto; }
.hero-line { margin-bottom: 1rem; }
.hero-line h1 { margin: 0 0 0.25rem; }
.muted { color: var(--muted); }
.small { font-size: 0.85rem; }
.big { font-size: 2rem; font-weight: 700; margin: 0.25rem 0; }

.grid.two { display: grid; grid-template-columns: 1fr 1fr; gap: 1rem; }
.grid.form { display: grid; grid-template-columns: 1fr 1fr; gap: 0.75rem 1rem; }
.span2 { grid-column: span 2; }
.row.between { display: flex; justify-content: space-between; align-items: center; gap: 1rem; }

label { display: flex; flex-direction: column; gap: 0.35rem; font-size: 0.9rem; color: var(--muted); }
label.inline { flex-direction: row; align-items: center; margin-right: 0.75rem; color: var(--text); }
input, select, button, textarea {
  font: inherit;
  border-radius: 8px;
  border: 1px solid var(--line);
  background: #10161d;
  color: var(--text);
  padding: 0.55rem 0.7rem;
}
button, .btn {
  display: inline-block;
  background: var(--accent);
  color: #061018;
  border: none;
  font-weight: 600;
  cursor: pointer;
  padding: 0.55rem 0.9rem;
  border-radius: 8px;
  text-decoration: none;
}
button:hover, .btn:hover { filter: brightness(1.05); text-decoration: none; }
.btn.ghost, button.ghost { background: transparent; color: var(--text); border: 1px solid var(--line); }
button.danger { background: var(--bad); color: #1a0608; }

.stack { display: flex; flex-direction: column; gap: 0.9rem; }
.flash {
  background: #243447;
  border: 1px solid var(--accent);
  color: var(--text);
  padding: 0.7rem 1rem;
  border-radius: 8px;
  margin-bottom: 1rem;
}
.flash.err { border-color: var(--bad); background: #3a1d22; }
.ok { color: var(--ok); }
.warn { color: var(--warn); }
.bad { color: var(--bad); }
.tag { font-size: 0.7rem; background: #314255; padding: 0.1rem 0.4rem; border-radius: 999px; }

table { width: 100%; border-collapse: collapse; font-size: 0.92rem; }
th, td { text-align: left; padding: 0.55rem 0.4rem; border-bottom: 1px solid var(--line); vertical-align: top; }
th { color: var(--muted); font-weight: 600; }
code { background: #10161d; padding: 0.1rem 0.35rem; border-radius: 4px; }
.inline-form { display: inline-flex; gap: 0.35rem; align-items: center; flex-wrap: wrap; }
.actions { min-width: 12rem; }
.clients { line-height: 1.8; }
fieldset { border: 1px solid var(--line); border-radius: 8px; }

@media (max-width: 720px) {
  .grid.two, .grid.form { grid-template-columns: 1fr; }
  .span2 { grid-column: auto; }
  .row.between { flex-direction: column; align-items: flex-start; }
}