/**
 * Giriş / kayıt sayfaları — ana sayfa mockup paleti
 * base.css + auth.css (site.css yüklenmez)
 */

.auth-page {
  margin: 0;
  min-height: 100vh;
  color-scheme: light;
  font-family: var(--bf-brand-font-sans);
  background-color: var(--bf-brand-cream);
  background-image:
    radial-gradient(ellipse 120% 80% at 50% -20%, var(--bf-brand-cream-soft) 0%, transparent 55%),
    linear-gradient(180deg, var(--bf-brand-cream-paper) 0%, var(--bf-brand-cream) 100%);
  color: var(--bf-brand-ink);
}

.auth-shell {
  display: flex;
  align-items: center;
  justify-content: center;
  min-height: 100vh;
  padding: clamp(1.5rem, 4vw, 3rem) var(--bf-page-gutter);
}

.auth-card {
  width: 100%;
  max-width: 420px;
  padding: clamp(1.75rem, 4vw, 2.5rem) clamp(1.5rem, 4vw, 2.25rem);
  background: var(--bf-brand-cream-card);
  border: 1px solid var(--bf-brand-gold-border-strong);
  border-radius: var(--bf-brand-radius-md);
  box-shadow:
    0 4px 24px var(--bf-brand-shadow-soft),
    0 12px 40px var(--bf-brand-shadow-card);
}

.auth-brand {
  display: flex;
  justify-content: center;
  margin-bottom: 1.25rem;
  text-decoration: none;
}

.auth-brand__logo {
  display: block;
  height: 3rem;
  width: auto;
  max-width: 100%;
  object-fit: contain;
}

.auth-back {
  display: inline-flex;
  align-items: center;
  gap: 0.35rem;
  margin-bottom: 1.25rem;
  font-family: var(--bf-brand-font-serif);
  font-size: 0.875rem;
  color: var(--bf-brand-muted);
  text-decoration: none;
  transition: color 0.15s ease;
}

.auth-back:hover {
  color: var(--bf-brand-ink);
}

.auth-title {
  margin: 0 0 1.75rem;
  font-family: var(--bf-brand-font-serif);
  font-size: clamp(1.65rem, 4vw, 1.85rem);
  font-weight: 700;
  letter-spacing: 0.06em;
  text-align: center;
  text-transform: uppercase;
  color: var(--bf-brand-ink);
}

.auth-form {
  display: flex;
  flex-direction: column;
  gap: 0.85rem;
}

.auth-field {
  position: relative;
  display: flex;
  align-items: center;
}

.auth-field__icon {
  position: absolute;
  left: 1rem;
  z-index: 1;
  display: flex;
  align-items: center;
  justify-content: center;
  width: 1.125rem;
  height: 1.125rem;
  color: var(--bf-brand-gold);
  pointer-events: none;
}

.auth-field__icon svg {
  width: 100%;
  height: 100%;
}

.auth-field__input {
  width: 100%;
  padding: 0.8rem 1rem 0.8rem 2.75rem;
  font-family: var(--bf-brand-font-serif);
  font-size: 1rem;
  line-height: 1.35;
  color: var(--bf-brand-ink);
  background: var(--bf-brand-white);
  border: 1px solid var(--bf-brand-gold-border-strong);
  border-radius: var(--bf-brand-radius-sm);
  transition: border-color 0.15s ease, box-shadow 0.15s ease;
}

.auth-field__input::placeholder {
  color: var(--bf-brand-placeholder);
  opacity: 1;
}

.auth-field__input:focus {
  outline: none;
  border-color: var(--bf-brand-gold);
  box-shadow: 0 0 0 3px var(--bf-brand-gold-ring);
}

.auth-field__input.input-validation-error {
  border-color: #c0392b;
}

.auth-field-error {
  display: block;
  margin-top: -0.45rem;
  margin-bottom: 0.15rem;
  padding-left: 0.25rem;
  font-size: 0.75rem;
  color: #b42318;
}

.auth-row {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 0.5rem 1rem;
  margin-top: 0.15rem;
  margin-bottom: 0.35rem;
}

.auth-check {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  margin: 0;
  font-family: var(--bf-brand-font-serif);
  font-size: 0.9375rem;
  color: var(--bf-brand-ink);
  cursor: pointer;
  user-select: none;
}

.auth-check input[type="checkbox"] {
  width: 1rem;
  height: 1rem;
  margin: 0;
  accent-color: var(--bf-brand-gold-dark);
  border: 1px solid var(--bf-brand-gold-border-strong);
  cursor: pointer;
}

.auth-link {
  font-family: var(--bf-brand-font-serif);
  font-size: 0.9375rem;
  color: var(--bf-brand-ink);
  text-decoration: none;
  transition: color 0.15s ease;
}

.auth-link:hover {
  color: var(--bf-brand-gold-dark);
  text-decoration: underline;
}

.auth-submit {
  display: block;
  width: 100%;
  margin-top: 0.5rem;
  padding: 0.85rem 1.5rem;
  font-family: var(--bf-brand-font-serif);
  font-size: 1.0625rem;
  font-weight: 700;
  letter-spacing: 0.02em;
  color: var(--bf-brand-ink);
  background: linear-gradient(
    180deg,
    var(--bf-brand-gold-light) 0%,
    var(--bf-brand-gold) 45%,
    var(--bf-brand-gold-dark) 100%
  );
  border: 1px solid var(--bf-brand-gold-dark);
  border-radius: var(--bf-brand-radius-pill);
  box-shadow: 0 4px 14px var(--bf-brand-shadow-button);
  cursor: pointer;
  transition: transform 0.15s ease, box-shadow 0.15s ease, filter 0.15s ease;
}

.auth-submit:hover {
  filter: brightness(1.03);
  box-shadow: 0 6px 18px var(--bf-brand-shadow-button);
  color: var(--bf-brand-ink);
}

.auth-submit:active {
  transform: translateY(1px);
}

a.auth-submit {
  text-align: center;
  text-decoration: none;
  line-height: 1.35;
}

.auth-switch {
  margin: 1.5rem 0 0;
  padding-top: 1.25rem;
  border-top: 1px solid var(--bf-brand-gold-border);
  font-family: var(--bf-brand-font-serif);
  font-size: 0.9375rem;
  text-align: center;
  color: var(--bf-brand-muted);
}

.auth-switch a {
  color: var(--bf-brand-green);
  font-weight: 600;
  text-decoration: none;
}

.auth-switch a:hover {
  color: var(--bf-brand-gold-dark);
  text-decoration: underline;
}

.auth-lead {
  margin: -1rem 0 1.5rem;
  font-family: var(--bf-brand-font-serif);
  font-size: 1rem;
  text-align: center;
  color: var(--bf-brand-muted);
}

.validation-summary-errors ul {
  margin: 0 0 0.75rem;
  padding: 0.75rem 1rem;
  list-style: none;
  font-size: 0.8125rem;
  color: #b42318;
  background: rgba(180, 35, 24, 0.06);
  border: 1px solid rgba(180, 35, 24, 0.2);
  border-radius: var(--bf-brand-radius-sm);
}

@media (min-width: 480px) {
  .auth-card {
    max-width: 440px;
  }
}