:root {
  --cream: #FAF9F6;
  --gold: #D4AF37;
  --forest: #0E1A0F;
  --forest-mid: #1C3320;
}

* {
  box-sizing: border-box;
  margin: 0; padding: 0;
}

body {
  background-color: var(--forest);
  color: var(--cream);
  font-family: serif;
  height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  overflow: hidden;
}

.auth-container {
  max-width: 400px;
  width: 90%;
  text-align: center;
  animation: fadeIn 1.2s ease-out;
}

@keyframes fadeIn {
  from { opacity: 0; transform: translateY(10px); }
  to { opacity: 1; transform: translateY(0); }
}

header {
  margin-bottom: 3rem;
}

.eyebrow {
  font-size: 0.65rem;
  letter-spacing: 0.3em;
  text-transform: uppercase;
  color: var(--gold);
  margin-bottom: 0.8rem;
  opacity: 0.8;
}

.wordmark {
  font-size: 3.5rem;
  font-weight: 300;
  letter-spacing: 0.25em;
  margin-bottom: 0.5rem;
}

.tagline {
  font-style: italic;
  font-size: 0.85rem;
  opacity: 0.6;
}

.input-group {
  display: flex;
  flex-direction: column;
  gap: 1.5rem;
}

input {
  width: 100%;
  background: transparent;
  border: none;
  border-bottom: 1px solid var(--gold);
  color: var(--cream);
  font-size: 1.2rem;
  padding: 0.8rem 0;
  text-align: center;
  outline: none;
  font-family: inherit;
  transition: border-color 0.3s;
}

input:focus {
  border-bottom-color: var(--cream);
}

button {
  background: var(--gold);
  color: var(--forest);
  border: none;
  padding: 0.8rem 2rem;
  font-size: 0.9rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  cursor: pointer;
  transition: opacity 0.3s;
  border-radius: 2px;
}

button:active {
  opacity: 0.7;
}

#error-msg {
  margin-top: 1.5rem;
  font-size: 0.8rem;
  color: #ff5555;
  min-height: 1rem;
}

footer {
  margin-top: 4rem;
  font-size: 0.6rem;
  letter-spacing: 0.1em;
  opacity: 0.4;
}