/* ==========================================================================
   AURORA 2.0 — Paylaşılan Bileşen Katmanı (Faz 26)
   --------------------------------------------------------------------------
   tokens.css + style.css'ten SONRA yüklenir. Yeni sınıflar + global
   :focus-visible halkası ekler; mevcut .btn/.card/.form-control'ü EZMEZ
   (yalnız eksik durumları tamamlar). Admin SPA + müşteri portalı + public
   sayfalar TEK bileşen dili paylaşır.
   ========================================================================== */

/* ---- Global odak halkası (a11y / WCAG 2.1) — yalnız klavye (:focus-visible) ---- */
:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
  border-radius: var(--radius-sm);
}
.btn:focus-visible,
.form-control:focus-visible,
a:focus-visible {
  outline: 3px solid var(--focus-ring);
  outline-offset: 2px;
  box-shadow: 0 0 0 6px var(--focus-halo);
}
/* Fare/dokunuşta halka çıkmasın (focus-visible'a güven) */
:focus:not(:focus-visible) { outline: none; }

/* ---- Buton: eksik durumlar (disabled / loading / outline / ghost) ---- */
.btn:disabled,
.btn[disabled],
.btn[aria-disabled="true"] {
  opacity: var(--disabled-opacity);
  cursor: not-allowed;
  transform: none !important;
  filter: none !important;
  box-shadow: var(--elev-1);
}
.btn.is-loading {
  color: transparent !important;
  pointer-events: none;
  position: relative;
}
.btn.is-loading::before {
  content: "";
  position: absolute;
  inset: 0;
  margin: auto;
  width: 1.2em;
  height: 1.2em;
  border: 2.5px solid rgba(255, 255, 255, .45);
  border-top-color: #fff;
  border-radius: 50%;
  animation: wch-spin .7s linear infinite;
}
@keyframes wch-spin { to { transform: rotate(360deg); } }

.btn-outline {
  background: transparent;
  color: var(--primary-700);
  border: 1.5px solid var(--border-2);
  box-shadow: none;
}
body:not(.light-theme) .btn-outline { color: var(--primary-300); }
.btn-outline:hover { background: rgba(var(--primary-rgb), .10); border-color: var(--primary); filter: none; }
.btn-ghost { background: transparent; color: var(--text-1); box-shadow: none; }
.btn-ghost:hover { background: var(--surface-2); filter: none; }

/* ---- Form doğrulama durumları ---- */
.form-control.is-invalid { border-color: var(--danger); }
.form-control.is-invalid:focus { box-shadow: 0 0 0 4px var(--danger-bg); }
.form-control.is-valid { border-color: var(--success); }
.form-error {
  color: var(--danger-fg);
  font-size: var(--text-sm);
  display: flex; align-items: center; gap: .4rem;
  margin-top: .35rem;
}
.form-hint { color: var(--text-2); font-size: var(--text-sm); margin-top: .35rem; }

/* ---- Durum çipi (renk + ikon + etiket; asla yalnız renk) ---- */
.chip {
  display: inline-flex; align-items: center; gap: .4rem;
  padding: .3rem .7rem; border-radius: var(--radius-full);
  font-size: var(--text-sm); font-weight: var(--weight-semibold); line-height: 1;
}
.chip-success { background: var(--success-bg); color: var(--success-fg); border: 1px solid var(--success-border); }
.chip-warning { background: var(--warning-bg); color: var(--warning-fg); border: 1px solid var(--warning-border); }
.chip-danger  { background: var(--danger-bg);  color: var(--danger-fg);  border: 1px solid var(--danger-border); }
.chip-info    { background: var(--info-bg);    color: var(--info-fg);    border: 1px solid var(--info-border); }
.chip-neutral { background: var(--surface-2);  color: var(--text-2);     border: 1px solid var(--border-1); }

/* ---- Skeleton yükleyici (shimmer; reduced-motion'da durur) ---- */
.skeleton { position: relative; overflow: hidden; background: var(--surface-2); border-radius: var(--radius-sm); }
.skeleton::after {
  content: ""; position: absolute; inset: 0; transform: translateX(-100%);
  background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .10), transparent);
  animation: wch-shimmer 1.5s infinite;
}
body.light-theme .skeleton::after { background: linear-gradient(90deg, transparent, rgba(255, 255, 255, .65), transparent); }
@keyframes wch-shimmer { 100% { transform: translateX(100%); } }
.skeleton-title { height: 1.2em; width: 55%; border-radius: var(--radius-xs); }
.skeleton-line  { height: .8em; border-radius: var(--radius-xs); margin: .45em 0; }
.skeleton-line.short { width: 40%; }
.skeleton-avatar { width: 44px; height: 44px; border-radius: 50%; }
.skeleton-card { height: 96px; border-radius: var(--radius-md); }

/* ---- Boş durum (illüstrasyon + tek satır + tek CTA) ---- */
.empty-state {
  display: flex; flex-direction: column; align-items: center; text-align: center;
  gap: var(--space-3); padding: var(--space-9) var(--space-5); color: var(--text-2);
}
.empty-state .empty-art {
  width: 92px; height: 92px; display: grid; place-items: center; border-radius: 50%;
  background: var(--aurora-soft); color: var(--primary); font-size: 2.3rem;
}
.empty-state h3 { color: var(--text-1); margin: 0; font-weight: var(--weight-bold); }
.empty-state p { margin: 0; max-width: 34ch; }

/* ---- Mobil alt navigasyon (cam; yalnız chrome'da glass) ---- */
.bottom-nav {
  position: sticky; bottom: 0; z-index: var(--z-nav);
  display: flex; justify-content: space-around; gap: .25rem;
  padding: .4rem .5rem calc(.4rem + var(--safe-bottom));
  background: var(--glass-bg);
  -webkit-backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  backdrop-filter: blur(var(--glass-blur)) saturate(var(--glass-saturate));
  border-top: 1px solid var(--glass-border);
}
.bottom-nav a {
  flex: 1; display: flex; flex-direction: column; align-items: center; justify-content: center;
  gap: .2rem; min-height: 48px; padding: .35rem; border-radius: var(--radius-sm);
  color: var(--text-2); font-size: .7rem; font-weight: var(--weight-semibold);
  text-decoration: none; transition: color var(--dur-fast) var(--ease-standard);
}
.bottom-nav a i { font-size: 1.25rem; }
.bottom-nav a.active { color: var(--primary); }
.bottom-nav a:active { transform: scale(.94); }

/* ---- Yardımcılar ---- */
.aurora-mesh-bg { background: var(--aurora-mesh), var(--background); }
.pressable { transition: transform var(--dur-press) var(--ease-standard); }
.pressable:active { transform: scale(.97); }
.elev-card { box-shadow: var(--elev-card); }

/* Faz 30 (Brief v2): glass YALNIZ chrome'da + okunabilirlik kontratı (Liquid Glass dersi) */
.glass-chrome {
  background: color-mix(in srgb, var(--surface) 82%, transparent);
  -webkit-backdrop-filter: blur(16px) saturate(1.4);
  backdrop-filter: blur(16px) saturate(1.4);
  border-color: color-mix(in srgb, #fff 18%, transparent);
}
@media (prefers-reduced-transparency: reduce) {
  .glass-chrome { background: var(--surface); -webkit-backdrop-filter: none; backdrop-filter: none; }
}
/* Hero CTA "breathe" (çok hafif) + skeleton→içerik morph */
.breathe { animation: wch-breathe 3s var(--ease-standard) infinite; }
@keyframes wch-breathe { 0%,100% { transform: scale(1); } 50% { transform: scale(1.015); } }
.fade-in { animation: wch-fade-in var(--motion-base) var(--ease-emphasized-decel) both; }
@keyframes wch-fade-in { from { opacity: 0; transform: translateY(6px); } to { opacity: 1; transform: none; } }

/* ---- Hareket azaltma: tüm animasyon/geçiş ~anında (global güvence) ---- */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: .01ms !important;
    scroll-behavior: auto !important;
  }
}