:root {
  --auth-bg: #f4f1ea;
  --auth-surface: rgba(255, 255, 255, 0.9);
  --auth-ink: #18222a;
  --auth-muted: #6f7b83;
  --auth-accent: #1e5b54;
  --auth-accent-dark: #153d38;
  --auth-highlight: #ddb86a;
  --auth-border: rgba(24, 34, 42, 0.08);
  --auth-shadow: 0 28px 60px rgba(24, 34, 42, 0.12);
  --auth-danger: #b0413e;
}

.auth-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem 1rem;
  background:
    radial-gradient(circle at top left, rgba(30, 91, 84, 0.16), transparent 28%),
    radial-gradient(circle at bottom right, rgba(221, 184, 106, 0.18), transparent 24%),
    linear-gradient(180deg, #faf8f4 0%, var(--auth-bg) 100%);
}

.auth-card {
  width: min(100%, 960px);
  display: grid;
  grid-template-columns: minmax(0, 0.95fr) minmax(320px, 1.05fr);
  overflow: hidden;
  border-radius: 2rem;
  box-shadow: var(--auth-shadow);
  background: var(--auth-surface);
  backdrop-filter: blur(20px);
}

.auth-hero {
  padding: 3rem;
  color: #f7faf8;
  background:
    linear-gradient(160deg, rgba(21, 61, 56, 0.98), rgba(30, 91, 84, 0.94)),
    linear-gradient(135deg, rgba(221, 184, 106, 0.12), transparent 42%);
}

.auth-eyebrow {
  display: inline-block;
  margin-bottom: 1rem;
  font-size: 0.78rem;
  font-weight: 800;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: rgba(221, 184, 106, 0.94);
}

.auth-title {
  margin: 0 0 1rem;
  font-family: "Space Grotesk", sans-serif;
  font-size: clamp(2rem, 4.4vw, 3.5rem);
  line-height: 0.98;
}

.auth-copy {
  margin: 0;
  max-width: 26rem;
  font-size: 1.05rem;
  color: rgba(247, 250, 248, 0.8);
}

.auth-panel {
  padding: 3rem;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.auth-panel h2 {
  margin: 0 0 0.75rem;
  color: var(--auth-ink);
  font-family: "Space Grotesk", sans-serif;
  font-size: 1.9rem;
}

.auth-panel p {
  margin: 0 0 1.75rem;
  color: var(--auth-muted);
}

.auth-flash {
  margin-bottom: 1rem;
  padding: 0.9rem 1rem;
  border-radius: 1rem;
  font-size: 0.95rem;
}

.auth-flash--alert {
  color: var(--auth-danger);
  background: rgba(176, 65, 62, 0.1);
  border: 1px solid rgba(176, 65, 62, 0.12);
}

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

.auth-field {
  display: grid;
  gap: 0.45rem;
}

.auth-label {
  font-size: 0.88rem;
  font-weight: 700;
  color: var(--auth-ink);
}

.auth-input {
  width: 100%;
  border: 1px solid var(--auth-border);
  border-radius: 1rem;
  padding: 0.95rem 1rem;
  font-size: 1rem;
  color: var(--auth-ink);
  background: rgba(255, 255, 255, 0.88);
  transition: border-color 140ms ease, box-shadow 140ms ease;
}

.auth-input:focus {
  outline: none;
  border-color: rgba(30, 91, 84, 0.36);
  box-shadow: 0 0 0 0.26rem rgba(30, 91, 84, 0.12);
}

.auth-submit {
  border: none;
  border-radius: 999px;
  padding: 0.95rem 1.25rem;
  font-size: 1rem;
  font-weight: 700;
  color: white;
  background: linear-gradient(135deg, var(--auth-accent-dark), var(--auth-accent));
  cursor: pointer;
}

.auth-submit:hover,
.auth-submit:focus {
  background: linear-gradient(135deg, #102f2b, #174a44);
}

.auth-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.9rem 1.25rem;
  margin-top: 1.5rem;
}

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

.auth-link:hover {
  color: var(--auth-accent-dark);
}

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

  .auth-hero,
  .auth-panel {
    padding: 2rem;
  }
}