/* Auth */

.auth-section {
  min-height: calc(100vh - 4rem);
  padding: 4rem 0;
  background: var(--surface);
  display: flex;
  align-items: center;
  justify-content: center;
}

.auth-card {
  width: min(26rem, 100%);
  margin: 0 auto;
  padding: 2.25rem 2rem;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: 0 4px 24px -8px rgba(15, 23, 42, 0.08);
}

.auth-header {
  text-align: center;
  margin-bottom: 1.75rem;
}

.auth-header h1 {
  margin: 0.25rem 0 0.4rem;
  font-size: 1.5rem;
  font-weight: 600;
}

.auth-header p {
  color: var(--muted);
  font-size: 0.92rem;
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 1.1rem;
}

.auth-field {
  display: flex;
  flex-direction: column;
  gap: 0.4rem;
}

.auth-field label {
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--heading);
  letter-spacing: 0.02em;
}

.auth-field input {
  padding: 0.65rem 0.85rem;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  color: var(--text);
  background: #ffffff;
  transition: border-color 150ms ease, box-shadow 150ms ease;
}

.auth-field input:focus {
  outline: none;
  border-color: var(--accent);
  box-shadow: 0 0 0 3px rgba(46, 82, 160, 0.12);
}

.auth-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  font-size: 0.85rem;
}

.auth-row label {
  display: inline-flex;
  align-items: center;
  gap: 0.45rem;
  color: var(--muted);
  cursor: pointer;
}

.auth-row a {
  color: var(--accent);
  text-decoration: none;
  font-weight: 500;
}

.auth-row a:hover {
  text-decoration: underline;
}

.auth-submit {
  margin-top: 0.25rem;
  padding: 0.75rem 1rem;
  border: 1px solid var(--accent);
  background: var(--accent);
  color: #ffffff;
  border-radius: var(--radius);
  font-family: inherit;
  font-size: 0.95rem;
  font-weight: 600;
  cursor: pointer;
  transition: background 150ms ease, border-color 150ms ease;
}

.auth-submit:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
}

.auth-divider {
  display: flex;
  align-items: center;
  gap: 0.75rem;
  margin: 1.25rem 0 0.85rem;
  color: var(--muted);
  font-size: 0.78rem;
  text-transform: uppercase;
  letter-spacing: 0.1em;
}

.auth-divider::before,
.auth-divider::after {
  content: "";
  flex: 1;
  height: 1px;
  background: var(--border);
}

.auth-alt {
  text-align: center;
  font-size: 0.9rem;
  color: var(--muted);
}

.auth-alt a {
  color: var(--accent);
  font-weight: 600;
  text-decoration: none;
}

.auth-alt a:hover {
  text-decoration: underline;
}

.auth-notice {
  margin-top: 1.5rem;
  padding: 0.85rem 1rem;
  border-left: 3px solid var(--accent);
  background: var(--accent-soft);
  border-radius: var(--radius-sm);
  color: var(--text);
  font-size: 0.85rem;
  line-height: 1.6;
}

.auth-notice strong {
  color: var(--heading);
}

.auth-notice[hidden] {
  display: none;
}

.auth-error {
  padding: 0.7rem 0.85rem;
  border-radius: var(--radius-sm);
  background: #fef2f2;
  border-left: 3px solid var(--danger);
  color: var(--danger);
  font-size: 0.88rem;
}

.auth-error[hidden] { display: none; }

.auth-demo {
  margin-top: 1.25rem;
  padding: 0.85rem 1rem;
  background: var(--surface);
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius);
  font-size: 0.83rem;
  color: var(--muted);
}

.auth-demo-title {
  margin: 0 0 0.4rem;
  color: var(--heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.72rem;
}

.auth-demo ul {
  margin: 0;
  padding-left: 1.1rem;
}

.auth-demo li {
  margin-top: 0.2rem;
  line-height: 1.5;
}

.auth-demo li:first-child { margin-top: 0; }

.auth-demo-island {
  position: fixed;
  right: 1.5rem;
  bottom: 1.5rem;
  z-index: 30;
  width: min(20.8rem, calc(100% - 3rem));
  padding: 1rem 1.15rem;
  background: #ffffff;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow:
    0 1px 2px rgba(15, 23, 42, 0.04),
    0 16px 32px -16px rgba(15, 23, 42, 0.18);
  font-size: 0.83rem;
  color: var(--muted);
}

.auth-demo-island .auth-demo-title {
  margin: 0 0 0.45rem;
  color: var(--heading);
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.06em;
  font-size: 0.7rem;
}

.auth-demo-island ul {
  margin: 0;
  padding-left: 1.05rem;
}

.auth-demo-island li {
  margin-top: 0.2rem;
  line-height: 1.5;
}

.auth-demo-island li:first-child { margin-top: 0; }

.auth-demo-island strong {
  color: var(--heading);
  font-weight: 600;
}

@media (max-width: 700px) {
  .auth-demo-island {
    position: static;
    width: auto;
    margin: 1rem 1rem 1.5rem;
    box-shadow: none;
  }
}