/* Auth pages: sign-in and registration.
 *
 * Centered card layout for unauthenticated screens. These pages share
 * the same visual language: app branding, a form, and minimal chrome.
 * Uses only semantic tokens from tokens.css.
 *
 * Because the body is the flex container (no wrapper div), .main-col
 * fills the viewport and the auth page centers naturally via flexbox. */

.auth-page {
  flex: 1;
  display: flex;
  flex-direction: column;
  align-items: center;
  justify-content: center;
  padding: var(--space-6);
}

.auth-card {
  width: min(100%, 24rem);
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  padding: var(--space-8);
}

.auth-heading {
  margin: 0 0 var(--space-2);
  font-size: 1.25rem;
  font-weight: 600;
  color: var(--color-text);
  text-align: center;
}

.auth-subtitle {
  margin: 0 0 var(--space-8);
  font-size: 0.9375rem;
  color: var(--color-text-muted);
  text-align: center;
}

/* Form layout: stacked fields with consistent spacing. */
.auth-card form {
  display: grid;
  gap: var(--space-5);
}

.auth-card form > div {
  display: grid;
  gap: var(--space-1);
}

.auth-card label {
  font-size: 0.875rem;
  font-weight: 500;
  color: var(--color-text);
}

.auth-card input[type="email"],
.auth-card input[type="password"],
.auth-card input[type="text"] {
  width: 100%;
  padding: var(--space-3);
  font-size: 1rem;
  background: var(--color-bg);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  color: var(--color-text);
}

.auth-card input:focus-visible {
  outline: 3px solid var(--color-focus);
  outline-offset: 2px;
}

/* Primary submit button: accent background, prominent and full-width. */
.auth-card input[type="submit"] {
  width: 100%;
  min-height: 3rem;
  padding: var(--space-3) var(--space-4);
  font-size: 1rem;
  font-weight: 600;
  background: var(--color-accent);
  border: none;
  border-radius: var(--radius-md);
  color: var(--color-accent-text-on);
  cursor: pointer;
  transition: background 150ms ease;
}

.auth-card input[type="submit"]:hover {
  background: var(--color-accent-hover);
}

.auth-card input[type="submit"]:active {
  background: var(--color-accent-active);
}

/* Secondary link below the form. */
.auth-footer {
  margin-top: var(--space-6);
  text-align: center;
  font-size: 0.9375rem;
  color: var(--color-text-muted);
}

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

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