:root {
  --bg: #0b1220;
  --card: rgba(17, 26, 46, 0.92);
  --text: #e7e9ee;
  --muted: #a5adbd;
  --primary: #4f8cff;
  --danger: #ff5a5f;
  --border: #223050;
  --radius: 14px;
  --shadow: 0 10px 30px rgba(0, 0, 0, 0.35);
  font-family: ui-sans-serif, system-ui, -apple-system, Segoe UI, Roboto, Helvetica, Arial, "Apple Color Emoji", "Segoe UI Emoji";
}

* { box-sizing: border-box; }

body {
  margin: 0;
  min-height: 100vh;
  color: var(--text);
  background: radial-gradient(1200px 600px at 10% 0%, rgba(79, 140, 255, 0.22), transparent 55%),
              radial-gradient(900px 500px at 90% 10%, rgba(0, 209, 178, 0.10), transparent 50%),
              var(--bg);
}

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

.container {
  max-width: 980px;
  margin: 0 auto;
  padding: 24px;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin: 8px 0 18px;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  letter-spacing: 0.2px;
}

.badge {
  font-size: 12px;
  padding: 4px 10px;
  border: 1px solid var(--border);
  border-radius: 999px;
  color: var(--muted);
}

.card {
  background: var(--card);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow);
}

.h1 { font-size: 22px; margin: 0 0 12px; }
.p  { color: var(--muted); margin: 0 0 14px; line-height: 1.5; }

.grid { display: grid; gap: 12px; }
.grid.two { grid-template-columns: 1fr; }
@media (min-width: 720px) { .grid.two { grid-template-columns: 1fr 1fr; } }

label { font-size: 13px; color: var(--muted); }

.input {
  width: 100%;
  margin-top: 6px;
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(15, 23, 48, 0.9);
  color: var(--text);
  outline: none;
}

.input:focus { border-color: rgba(79, 140, 255, 0.6); box-shadow: 0 0 0 3px rgba(79, 140, 255, 0.12); }

.row { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; }

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 10px 14px;
  border-radius: 12px;
  border: 1px solid transparent;
  background: var(--primary);
  color: white;
  font-weight: 600;
  cursor: pointer;
}

.btn.secondary { background: transparent; border-color: var(--border); color: var(--text); }
.btn.danger { background: rgba(255, 90, 95, 0.12); border-color: rgba(255, 90, 95, 0.45); color: var(--text); }

.alert {
  padding: 12px;
  border-radius: 12px;
  border: 1px solid var(--border);
  background: rgba(79, 140, 255, 0.08);
  color: var(--text);
}

.alert.danger { border-color: rgba(255, 90, 95, 0.45); background: rgba(255, 90, 95, 0.08); }

.small { font-size: 12px; color: var(--muted); }