:root {
  --bg: #0b0f1a;
  --card: #12182b;
  --border: #1f2947;
  --text: #e5e7eb;
  --muted: #9ca3af;
  --green: #22c55e;
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
  font-family: "Inter", system-ui, sans-serif;
}

body {
  background: radial-gradient(circle at top, #111827, #020617);
  color: var(--text);
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
}

a {
  color: var(--green);
  text-decoration: none;
}

.card {
  background: linear-gradient(180deg, #0f172a, #020617);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 32px;
  width: 100%;
  max-width: 420px;
  box-shadow: 0 20px 40px rgba(0,0,0,.6);
}

h1 {
  font-size: 1.9rem;
  margin-bottom: 6px;
}

p {
  color: var(--muted);
  font-size: 0.9rem;
  margin-bottom: 24px;
}

label {
  font-size: 0.85rem;
  margin-bottom: 6px;
  display: block;
}

input {
  width: 100%;
  padding: 14px;
  background: #020617;
  border: 1px solid var(--border);
  border-radius: 10px;
  color: var(--text);
  margin-bottom: 18px;
  outline: none;
}

input:focus {
  border-color: var(--green);
}

button {
  width: 100%;
  padding: 14px;
  background: var(--green);
  border: none;
  border-radius: 10px;
  color: #020617;
  font-weight: 600;
  font-size: 0.95rem;
  cursor: pointer;
}

button:hover {
  opacity: .9;
}

.center {
  text-align: center;
  margin-top: 20px;
}

.checkbox {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: .8rem;
  color: var(--muted);
  margin-bottom: 20px;
}