* {
  box-sizing: border-box;
}

body.page-auth {
  margin: 0;
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 1.5rem;
  font-family: "Segoe UI", Tahoma, Geneva, Verdana, sans-serif;
  color: #1f2937;
  background:
    radial-gradient(circle at top left, rgba(7, 92, 110, 0.12), transparent 28%),
    radial-gradient(circle at bottom right, rgba(39, 51, 54, 0.12), transparent 24%),
    linear-gradient(180deg, #fafafa 0%, #edf1f2 100%);
}

a {
  color: #075c6e;
}

button,
input {
  font: inherit;
}

.auth-shell {
  width: min(1040px, 100%);
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(320px, 420px);
  overflow: hidden;
  border: 1px solid rgba(255, 255, 255, 0.7);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.92);
  box-shadow: 0 24px 60px rgba(15, 23, 42, 0.16);
}

.auth-hero {
  position: relative;
  padding: 2.75rem;
  background: linear-gradient(155deg, rgba(7, 92, 110, 0.98) 0%, rgba(39, 51, 54, 0.97) 100%);
  color: #fff;
}

.auth-hero::after {
  content: "";
  position: absolute;
  right: -60px;
  bottom: -80px;
  width: 230px;
  height: 230px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.08);
}

.auth-badge {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  margin-bottom: 1rem;
  padding: 0.4rem 0.8rem;
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.12);
  color: #f3f4f6;
  font-size: 0.78rem;
  font-weight: 700;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

.auth-title {
  margin: 0;
  font-size: clamp(2rem, 3vw, 2.8rem);
  line-height: 1.08;
}

.auth-copy {
  margin: 1rem 0 0;
  max-width: 40ch;
  color: rgba(255, 255, 255, 0.86);
  line-height: 1.6;
}

.auth-list {
  margin: 1.6rem 0 0;
  padding: 0;
  list-style: none;
}

.auth-list li + li {
  margin-top: 0.8rem;
}

.auth-panel {
  padding: 2.2rem;
}

.auth-panel h2 {
  margin: 0 0 0.35rem;
  font-size: 1.6rem;
}

.auth-panel p {
  margin: 0;
  color: #5b6573;
  line-height: 1.55;
}

.auth-alert,
.auth-warning {
  margin-top: 1rem;
  padding: 0.95rem 1rem;
  border-radius: 16px;
  font-size: 0.95rem;
}

.auth-alert {
  border: 1px solid rgba(7, 92, 110, 0.18);
  background: #eef7f9;
  color: #054753;
}

.auth-warning {
  border: 1px solid rgba(39, 51, 54, 0.16);
  background: #f1f3f4;
  color: #273336;
}

.auth-form {
  margin-top: 1.5rem;
  display: grid;
  gap: 1rem;
}

.auth-field label {
  display: block;
  margin-bottom: 0.45rem;
  font-size: 0.94rem;
  font-weight: 600;
  color: #1f2937;
}

.auth-field input {
  width: 100%;
  min-height: 48px;
  padding: 0.82rem 0.95rem;
  border: 1px solid #d8dee6;
  border-radius: 12px;
  background: #fff;
  color: #1f2937;
  transition: border-color 0.18s ease, box-shadow 0.18s ease;
}

.auth-field input:focus {
  outline: none;
  border-color: rgba(7, 92, 110, 0.45);
  box-shadow: 0 0 0 4px rgba(7, 92, 110, 0.1);
}

.auth-submit {
  min-height: 48px;
  border: 0;
  border-radius: 12px;
  background: linear-gradient(135deg, #075c6e 0%, #054753 100%);
  color: #fff;
  font-weight: 700;
  cursor: pointer;
  box-shadow: 0 12px 28px rgba(7, 92, 110, 0.22);
}

@media (max-width: 860px) {
  .auth-shell {
    grid-template-columns: 1fr;
  }

  .auth-hero,
  .auth-panel {
    padding: 1.5rem;
  }
}