/* Markalı hata ve hesap ekranları (#463; U-018, U-019, U-021, U-064…U-069). Yalnız v2 token'ları (tokens.css).
   .brand-screen: errors/layout (oturumsuz, statik). .auth-split: giriş, kayıt ve parola ekranları (layouts.app içinde). */

.brand-screen {
  margin: 0;
  min-height: 100vh;
  min-height: 100dvh;
  display: grid;
  grid-template-rows: auto 1fr auto;
  background: var(--color-bg);
  color: var(--color-text);
  font-family: var(--font-ui);
  font-size: var(--text-base);
  line-height: var(--leading-normal);
}
.brand-screen__header { padding: var(--space-5) var(--gutter); display: flex; justify-content: center; }
.brand-screen__logo .brand-logo { display: block; height: 28px; width: auto; } /* görev 658 Mühür yatay logo ≈ 155 px */
.brand-screen__logo {
  font-family: var(--font-brand);
  font-size: var(--text-xl);
  font-weight: var(--weight-medium);
  color: var(--color-primary);
  text-decoration: none;
  min-height: var(--touch-min);
  display: inline-flex;
  align-items: center;
}
.brand-screen__main { display: grid; place-items: center; padding: var(--space-6) var(--gutter) var(--space-12); }
.brand-screen__footer {
  padding: var(--space-5) var(--gutter) var(--space-8);
  text-align: center;
  font-size: var(--text-sm);
  color: var(--color-text-muted);
}
.brand-screen__footer p { margin: 0; }
.brand-screen a:not(.brand-btn):not(.brand-screen__logo) { color: var(--color-primary); text-underline-offset: 0.2em; }

/* Kart: 410 sayfasının (inv-gone) kart dili; ayraç, küçük etiket, marka başlığı, açıklama, eylemler. */
.brand-card {
  width: 100%;
  max-width: 440px;
  box-sizing: border-box;
  background: var(--color-surface);
  border: 1px solid var(--color-border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  padding: var(--space-10) var(--space-8);
}
.brand-card--center { text-align: center; }
.brand-card__divider {
  display: block;
  width: calc(var(--space-32) + var(--space-16));
  height: 1px;
  margin: 0 auto var(--space-6);
  background: linear-gradient(90deg, transparent, var(--color-accent), transparent);
}
.brand-card__eyebrow {
  margin: 0 0 var(--space-3);
  font-size: var(--text-eyebrow);
  letter-spacing: var(--tracking-eyebrow);
  text-transform: uppercase;
  font-weight: var(--weight-semibold);
  color: var(--color-text-muted);
}
.brand-card__title {
  margin: 0 0 var(--space-4);
  font-family: var(--font-brand);
  font-size: var(--text-3xl);
  font-weight: var(--weight-medium);
  line-height: var(--leading-tight);
  letter-spacing: var(--tracking-display);
  color: var(--color-text);
  text-wrap: balance;
}
.brand-card__text { margin: 0 0 var(--space-4); color: var(--color-text-muted); text-wrap: pretty; }
.brand-card__note {
  margin: 0 0 var(--space-4);
  padding: var(--space-3) var(--space-4);
  border-radius: var(--radius-md);
  background: var(--color-surface-alt);
  font-size: var(--text-sm);
  overflow-wrap: anywhere;
}
.brand-card__actions { display: grid; gap: var(--space-3); margin-top: var(--space-6); }
.brand-card__form { margin: 0; display: grid; }

.brand-btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: var(--touch-min);
  padding: var(--space-3) var(--space-5);
  border-radius: var(--radius-pill);
  border: 1px solid transparent;
  font: inherit;
  font-weight: var(--weight-semibold);
  text-decoration: none;
  cursor: pointer;
  transition: background var(--duration-fast) var(--ease-standard);
}
.brand-btn--primary { background: var(--color-primary); color: var(--color-on-primary); }
.brand-btn--primary:hover { background: var(--color-primary-hover); }
.brand-btn--ghost { background: transparent; color: var(--color-primary); border-color: var(--color-border-strong); }
.brand-btn--ghost:hover { background: var(--color-primary-soft); }
.brand-btn:focus-visible { outline: 3px solid var(--color-focus); outline-offset: 2px; }

/* Hesap ekranları: 1440'ta 50/50 (solda örnek davetiye sahnesi), mobilde tek sütun; form kartı ≤ 440 px. */
.auth-split { display: grid; gap: var(--space-8); align-items: center; padding-block: var(--space-6) var(--space-12); }
.auth-split__art { display: none; }
.auth-split .brand-card { margin-inline: auto; padding: var(--space-8) var(--space-6); }
.auth-split .brand-card__title { margin-bottom: var(--space-2); }
.auth-split form { display: grid; gap: var(--space-3); }
.auth-split .brand-btn--primary { width: 100%; }
.auth-split__links { margin: 0; font-size: var(--text-sm); color: var(--color-text-muted); }
.auth-split__links a { display: inline-block; line-height: var(--space-6); min-height: var(--space-6); }
.auth-values { list-style: none; margin: 0 0 var(--space-2); padding: 0; display: grid; gap: var(--space-2); font-size: var(--text-sm); }
.auth-values li { display: flex; gap: var(--space-2); align-items: flex-start; }
.auth-values li::before { content: ""; flex: none; width: 0.5em; height: 0.5em; margin-top: 0.5em; transform: rotate(45deg); background: var(--color-accent); }
.auth-consent { margin: 0; font-size: var(--text-sm); color: var(--color-text-muted); line-height: var(--space-6); }
.auth-consent a { display: inline-block; min-height: var(--space-6); }

@media (min-width: 960px) {
  .auth-split { grid-template-columns: 1fr 1fr; min-height: calc(100vh - var(--header-height) - var(--space-16)); }
  .auth-split__art {
    display: flex;
    flex-direction: column;
    justify-content: flex-end;
    align-self: stretch;
    min-height: 560px;
    border-radius: var(--radius-xl);
    overflow: hidden;
    background: var(--color-surface-ink);
    color: var(--color-text-on-ink);
    padding: var(--space-6) var(--space-8) var(--space-8);
    box-sizing: border-box;
    gap: var(--space-4);
  }
  .auth-split__frame { flex: 1 1 auto; min-height: 380px; width: 100%; border: 0; border-radius: var(--radius-lg); background: transparent; pointer-events: none; }
  .auth-split__art p { margin: 0; }
  .auth-split__quote { font-family: var(--font-brand); font-size: var(--text-2xl); line-height: var(--leading-snug); }
  .auth-split__caption { margin-top: var(--space-2) !important; font-size: var(--text-sm); color: var(--color-text-on-ink-muted); }
}

@media (max-width: 480px) {
  .brand-card { padding: var(--space-8) var(--space-5); }
}

/* #1356: hesap formu üstündeki hata uyarısı. */
.auth-alert { margin-bottom: var(--space-4); outline-offset: 2px; }
.auth-alert__text { margin: 0; font-weight: var(--weight-semibold); }
.auth-alert__links { display: flex; flex-wrap: wrap; gap: var(--space-4); margin: var(--space-2) 0 0; }
.auth-alert__links a { font-weight: var(--weight-semibold); text-decoration: underline; }
.auth-alert:focus-visible { outline: 2px solid var(--color-danger); }
.brand-card .brand-btn.is-loading { opacity: 0.7; cursor: progress; }