:root {
  color-scheme: dark;
  font-family: Inter, "Segoe UI", Arial, sans-serif;
  background: #0b1420;
  color: #f8fafc;
}

* { box-sizing: border-box; }

body.auth-page {
  display: grid;
  min-height: 100vh;
  margin: 0;
  padding: 24px;
  place-items: center;
  background:
    radial-gradient(circle at 50% 0%, rgba(37, 99, 235, 0.14), transparent 38%),
    #0b1420;
}

.auth-card {
  width: min(100%, 390px);
  padding: 30px;
  border: 1px solid #2a3a4d;
  border-radius: 16px;
  background: #111c2a;
  box-shadow: 0 24px 70px rgba(0, 0, 0, 0.34);
}

.auth-brand {
  margin-bottom: 28px;
  color: #e5edf7;
  font-size: 20px;
  font-weight: 800;
  letter-spacing: -0.03em;
  text-align: center;
}

.auth-brand strong { color: #ef233c; }
.auth-card h1 { margin: 0 0 22px; font-size: 26px; text-align: center; }
.auth-card form { display: grid; gap: 8px; }
.auth-card label { margin-top: 6px; color: #b8c5d5; font-size: 13px; font-weight: 700; }

.auth-card input {
  width: 100%;
  min-height: 44px;
  padding: 10px 12px;
  border: 1px solid #40536a;
  border-radius: 8px;
  outline: none;
  background: #0c1622;
  color: #f8fafc;
  font: inherit;
}

.auth-card input:focus {
  border-color: #60a5fa;
  box-shadow: 0 0 0 3px rgba(96, 165, 250, 0.16);
}

.auth-card button {
  min-height: 44px;
  margin-top: 14px;
  border: 1px solid #16a34a;
  border-radius: 8px;
  background: #16a34a;
  color: #ffffff;
  font: inherit;
  font-weight: 800;
  cursor: pointer;
}

.auth-card button:hover { background: #15803d; border-color: #15803d; }
.auth-card button:focus-visible { outline: 3px solid rgba(96, 165, 250, 0.45); outline-offset: 2px; }

.auth-error {
  margin: 0 0 14px;
  padding: 9px 11px;
  border: 1px solid #7f1d1d;
  border-radius: 8px;
  background: #32151b;
  color: #fecaca;
  font-size: 13px;
}

@media (max-width: 480px) {
  body.auth-page { padding: 16px; }
  .auth-card { padding: 24px 20px; }
}