:root {
  color-scheme: light;
  --bg-top: #f4efe7;
  --bg-bottom: #d8e3ef;
  --card: rgba(255, 255, 255, 0.8);
  --border: rgba(22, 36, 53, 0.12);
  --text: #162435;
  --muted: #526173;
  --accent: #0d6c63;
  --shadow: 0 24px 70px rgba(22, 36, 53, 0.12);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Georgia, "Times New Roman", serif;
  color: var(--text);
  background:
    radial-gradient(circle at top, rgba(255, 255, 255, 0.6), transparent 35%),
    linear-gradient(180deg, var(--bg-top), var(--bg-bottom));
}

.page {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 2rem;
}

.card {
  width: min(100%, 42rem);
  padding: 3rem;
  border: 1px solid var(--border);
  border-radius: 24px;
  background: var(--card);
  box-shadow: var(--shadow);
  backdrop-filter: blur(14px);
}

.eyebrow {
  margin: 0 0 0.75rem;
  text-transform: uppercase;
  letter-spacing: 0.16em;
  font-size: 0.75rem;
  color: var(--accent);
}

h1 {
  margin: 0;
  font-size: clamp(2.5rem, 7vw, 4.75rem);
  line-height: 0.95;
}

.lede {
  margin: 1rem 0 0;
  max-width: 34rem;
  font-size: 1.05rem;
  line-height: 1.6;
  color: var(--muted);
}

.session-copy {
  margin: 1.25rem 0 0;
  color: var(--text);
}

.routes {
  display: flex;
  flex-wrap: wrap;
  gap: 0.75rem;
  margin-top: 2rem;
}

.routes a {
  padding: 0.8rem 1rem;
  border-radius: 999px;
  color: var(--text);
  text-decoration: none;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, 0.7);
}

.routes a:hover {
  border-color: var(--accent);
}

.auth-card {
  max-width: 30rem;
}

.auth-form {
  display: grid;
  gap: 1rem;
  margin-top: 1.75rem;
}

.auth-form label {
  display: grid;
  gap: 0.45rem;
  color: var(--muted);
}

.auth-form input {
  width: 100%;
  padding: 0.9rem 1rem;
  border: 1px solid var(--border);
  border-radius: 14px;
  background: rgba(255, 255, 255, 0.78);
  color: var(--text);
  font: inherit;
}

.auth-form input:focus {
  outline: 2px solid rgba(13, 108, 99, 0.25);
  border-color: var(--accent);
}

button {
  width: fit-content;
  padding: 0.9rem 1.15rem;
  border: 1px solid transparent;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font: inherit;
  cursor: pointer;
}

button:hover {
  opacity: 0.92;
}

.logout-form {
  margin-top: 1.5rem;
}

.error {
  margin: 1.25rem 0 0;
  padding: 0.85rem 1rem;
  border-radius: 14px;
  background: rgba(168, 53, 53, 0.1);
  color: #8a2020;
}

@media (max-width: 640px) {
  .card {
    padding: 2rem;
  }
}