:root {
  color-scheme: dark;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  --bg-1: #090f22;
  --bg-2: #050812;
  --line: rgba(95, 224, 176, 0.38);
  --text: #f3f6ff;
  --muted: #c7d6f5;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  padding: 1.2rem;
  display: flex;
  align-items: center;
  justify-content: center;
  background:
    radial-gradient(circle at 14% 85%, rgba(198, 31, 73, 0.2), transparent 40%),
    radial-gradient(circle at 84% 12%, rgba(34, 197, 139, 0.14), transparent 32%),
    linear-gradient(180deg, var(--bg-1), var(--bg-2));
  color: var(--text);
  font-size: 14px;
}

.auth-page {
  width: min(680px, 100%);
  margin: 0;
}

.card {
  background: #0f2040;
  border: 1px solid var(--line);
  border-radius: 18px;
  padding: clamp(1.6rem, 4.2vw, 2.4rem);
  box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.03), 0 20px 40px rgba(0, 0, 0, 0.35);
  backdrop-filter: blur(6px);
}

h1,
p {
  margin: 0;
}

p {
  color: var(--muted);
  margin-top: 0.5rem;
  line-height: 1.4;
  font-size: 1.02rem;
}

.form {
  margin-top: 1.35rem;
  display: grid;
  gap: 0.8rem;
}

label {
  font-size: 1.05rem;
  color: #ffffff;
  font-weight: 600;
}

h1 {
  font-size: clamp(2.1rem, 3.5vw, 2.7rem);
}

input {
  width: 100%;
  min-height: 58px;
  background: rgba(20, 34, 60, 0.95);
  color: var(--text);
  border: 1px solid rgba(120, 160, 230, 0.7);
  border-radius: 13px;
  padding: 1rem 1.05rem;
  font-size: 1.05rem;
  outline: none;
}

input:focus {
  border-color: rgba(79, 194, 145, 0.9);
  box-shadow: 0 0 0 3px rgba(34, 197, 139, 0.16);
}

.btn {
  margin-top: 0.7rem;
  width: 100%;
  min-height: 60px;
  border: 1px solid rgba(86, 213, 155, 0.62);
  color: var(--text);
  background: #2f7dff;
  padding: 0.8rem 1.1rem;
  border-radius: 15px;
  font-weight: 700;
  font-size: 1.05rem;
  letter-spacing: 0.2px;
  cursor: pointer;
}

.feedback {
  min-height: 1.25rem;
  margin-top: 0.95rem;
  color: #bfe6ff;
  font-size: 1.02rem;
}

.feedback.error {
  color: #ff9ca2;
}

.links {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 0.55rem;
  margin-top: 0.95rem;
}

a {
  display: inline-flex;
  justify-content: center;
  align-items: center;
  min-height: 52px;
  padding: 0.7rem 0.95rem;
  border-radius: 12px;
  border: 1px solid rgba(110, 160, 230, 0.55);
  background: rgba(30, 46, 84, 0.85);
  color: #e6f2ff;
  text-decoration: none;
  font-size: 1rem;
  font-weight: 600;
}

@media (max-width: 520px) {
  body {
    padding: 0.85rem;
  }

  .links {
    grid-template-columns: 1fr;
  }
}

@media (max-width: 420px) {
  input {
    min-height: 52px;
    font-size: 0.98rem;
  }

  .btn {
    min-height: 54px;
    font-size: 1rem;
  }
}