:root {
  --bg: #060a14;
  --surface: #0f1b35;
  --text: #f3f6ff;
  --muted: #9fb0d7;
  --border: rgba(111, 146, 230, 0.24);
  --primary: #2c6bff;
  --neon: #22f2a3;
  --danger: #ff7f97;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: "Space Grotesk", sans-serif;
  color: var(--text);
  background:
    radial-gradient(700px 350px at 90% -5%, rgba(66, 142, 255, 0.18), transparent 60%),
    radial-gradient(700px 350px at -10% 120%, rgba(34, 242, 163, 0.16), transparent 60%),
    var(--bg);
}

.auth-main {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.2rem;
}

.auth-card {
  width: min(460px, 100%);
  border-radius: 1.1rem;
  border: 1px solid var(--border);
  background: rgba(11, 22, 45, 0.9);
  padding: 1.2rem;
  box-shadow: 0 18px 34px rgba(0, 0, 0, 0.3);
}

.brand {
  display: inline-flex;
  text-decoration: none;
  margin-bottom: 0.8rem;
}

.brand-mark {
  height: clamp(2.1rem, 10vw, 3.3rem);
  width: auto;
  filter: drop-shadow(0 0 0.85rem rgba(34, 242, 163, 0.24));
}

.tag {
  font-size: 0.74rem;
  letter-spacing: 0.13em;
  text-transform: uppercase;
  color: var(--neon);
  margin: 0 0 0.5rem;
}

h1 {
  margin: 0;
  font-family: "Orbitron", sans-serif;
  font-size: clamp(1.2rem, 6vw, 1.8rem);
}

.subtitle {
  margin: 0.55rem 0 1rem;
  color: var(--muted);
}

.auth-form {
  display: grid;
  gap: 0.55rem;
}

.auth-form label {
  font-weight: 700;
  font-size: 0.9rem;
}

.auth-form input {
  width: 100%;
  border-radius: 0.66rem;
  border: 1px solid var(--border);
  padding: 0.72rem 0.82rem;
  background: rgba(7, 15, 31, 0.75);
  color: var(--text);
  font-family: inherit;
}

.auth-form input:focus {
  outline: none;
  border-color: rgba(47, 109, 255, 0.66);
  box-shadow: 0 0 0 3px rgba(47, 109, 255, 0.22);
}

.auth-form button {
  margin-top: 0.45rem;
  border: 1px solid transparent;
  border-radius: 0.7rem;
  padding: 0.72rem 0.95rem;
  background: linear-gradient(135deg, #2f6dff, #4f8cff);
  color: #fff;
  font-weight: 700;
  font-size: 0.95rem;
  cursor: pointer;
}

.auth-form button:hover {
  filter: brightness(1.06);
}

.auth-message {
  margin: 0 0 0.8rem;
  border-radius: 0.65rem;
  border: 1px solid rgba(255, 127, 151, 0.4);
  background: rgba(255, 127, 151, 0.12);
  color: var(--danger);
  padding: 0.65rem 0.75rem;
  font-weight: 700;
}

.auth-help {
  margin: 1rem 0 0.75rem;
  color: var(--muted);
  font-size: 0.9rem;
}

.auth-help strong {
  color: #fff;
}

.back-link {
  color: var(--neon);
  font-weight: 700;
  text-decoration: none;
}

@media (min-width: 760px) {
  .auth-card {
    padding: 1.45rem;
  }
}