/* ============================================
   KATRAN DERGİ — PAYLAŞILAN ÜST BAR + FOOTER
   Tüm sayfalar bunu kullanır. Renkler gömülüdür;
   sayfanın kendi tema sisteminden bağımsız çalışır.
   Varsayılan: katran. Aydınlık: [data-theme="light"].
   ============================================ */

/* ---------- ÜST BAR ---------- */
.masthead {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  padding: 1.1rem 2rem;
  margin-bottom: 3rem;
  position: sticky;
  top: 0;
  background: rgba(13, 4, 5, 0.72);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  z-index: 100;
  border-bottom: 1px solid rgba(176, 68, 85, 0.25);
  border-radius: 0 0 20px 20px;
}
[data-theme="light"] .masthead {
  background: rgba(244, 239, 232, 0.72);
  border-bottom-color: rgba(0, 0, 0, 0.04);
}
.masthead.scrolled {
  box-shadow: 0 4px 40px rgba(0, 0, 0, 0.04);
  background: rgba(13, 4, 5, 0.88);
  padding-top: 0.8rem;
  padding-bottom: 0.8rem;
}
[data-theme="light"] .masthead.scrolled {
  background: rgba(244, 239, 232, 0.88);
}

.masthead .brand {
  display: flex;
  align-items: baseline;
  gap: 0.75rem;
  text-decoration: none;
  position: relative;
}
.masthead .brand::after {
  content: '';
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 0;
  height: 2px;
  background: #b04455;
  transition: width 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.masthead .brand:hover::after {
  width: 100%;
}
.masthead .brand-name {
  font-family: 'Playfair Display', serif;
  font-size: 2.2rem;
  font-weight: 900;
  letter-spacing: -0.02em;
  color: #f8ece8;
}
[data-theme="light"] .masthead .brand-name {
  color: #0a0808;
}
.masthead .brand-name .red {
  color: #b04455;
}
.masthead .brand-tagline {
  font-size: 0.7rem;
  font-weight: 400;
  color: #8a6068;
  letter-spacing: 0.12em;
  text-transform: uppercase;
  border-left: 1px solid #8a6068;
  padding-left: 0.8rem;
  display: none;
}
[data-theme="light"] .masthead .brand-tagline {
  color: #a89e94;
  border-left-color: #a89e94;
}
@media (min-width: 760px) {
  .masthead .brand-tagline {
    display: inline-block;
  }
}

.masthead .nav-links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.15rem;
  align-items: center;
}
.masthead .nav-links a {
  display: flex;
  align-items: center;
  gap: 5px;
  color: #c8a0a8;
  text-decoration: none;
  font-weight: 500;
  font-size: 0.78rem;
  padding: 0.5rem 1.1rem;
  border-radius: 40px;
  letter-spacing: 0.02em;
  position: relative;
  background: transparent;
  cursor: pointer;
  transition: color 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
[data-theme="light"] .masthead .nav-links a {
  color: #7a7068;
}
.masthead .nav-links a svg {
  width: 16px;
  height: 16px;
  stroke: currentColor;
  flex-shrink: 0;
}
.masthead .nav-links a::before {
  content: '';
  position: absolute;
  inset: 0;
  border-radius: 40px;
  background: rgba(176, 68, 85, 0.08);
  opacity: 0;
  transform: scale(0.8);
  transition: opacity 0.6s cubic-bezier(0.22, 1, 0.36, 1), transform 0.6s cubic-bezier(0.22, 1, 0.36, 1);
}
.masthead .nav-links a:not(#authLink):hover::before {
  opacity: 1;
  transform: scale(1);
}
.masthead .nav-links a:not(#authLink):hover {
  color: #f8ece8;
}
[data-theme="light"] .masthead .nav-links a:hover {
  color: #0a0808;
}
.masthead .nav-links a:not(#authLink):hover svg {
  stroke: #b04455;
}
.masthead .nav-links a span,
.masthead .nav-links a svg {
  position: relative;
  z-index: 1;
}
.masthead .nav-links a[aria-current="page"] {
  color: #b04455;
}
.masthead .nav-links a[aria-current="page"]::before {
  opacity: 1;
  transform: scale(1);
}

.masthead .auth-side {
  display: inline-flex;
  align-items: center;
  gap: 0.3rem;
  margin-left: 0.3rem;
}
.masthead .auth-container {
  display: inline-flex;
  align-items: center;
}
.masthead .auth-container a {
  display: inline-flex;
  align-items: center;
  text-decoration: none;
  padding: 0;
}
.masthead .auth-container a:hover {
  transform: scale(1.08);
}
.masthead .nav-links a.avatar-login-btn {
  background: #b04455;
  color: #fff;
  font-size: 0.78rem;
  font-weight: 700;
  font-family: 'Inter', sans-serif;
  padding: 0.5rem 1rem;
  border-radius: 60px;
  text-decoration: none;
  display: inline-block;
}
.masthead .nav-links a.avatar-login-btn:hover {
  background: #8b2e3e;
  color: #fff;
}
.masthead #notifContainer:empty {
  display: none;
}
.masthead .notif-btn {
  position: relative;
}

/* ---------- FOOTER ---------- */
.site-footer {
  background: #17090c;
  color: #f8ece8;
  padding: 3rem 2rem 2rem;
  margin: 3rem -2rem -2rem;
  border-radius: 24px 24px 0 0;
  border-top: 2px solid #b04455;
  text-align: center;
  position: relative;
  overflow: hidden;
}
[data-theme="light"] .site-footer {
  background: #e6ded5;
  color: #0a0808;
}
.site-footer .footer-content {
  max-width: 600px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}
.site-footer .footer-brand {
  font-family: 'Playfair Display', serif;
  font-size: 1.6rem;
  font-weight: 700;
}
.site-footer .footer-brand .red {
  color: #b04455;
}
.site-footer .footer-content p {
  color: #c8a0a8;
  font-size: 0.85rem;
  margin-top: 0.5rem;
  letter-spacing: 0.02em;
  font-weight: 300;
}
[data-theme="light"] .site-footer .footer-content p {
  color: #7a7068;
}
.site-footer .footer-divider {
  width: 50px;
  height: 2px;
  background: #b04455;
  margin: 1.2rem auto;
  opacity: 0.2;
  border-radius: 10px;
}
.site-footer .footer-particle {
  position: absolute;
  border-radius: 50%;
  background: #b04455;
  opacity: 0;
  animation: katranParticleRise 12s linear infinite;
}
.site-footer .footer-particle:nth-child(1) { width: 4px; height: 4px; left: 10%; bottom: 10%; animation-delay: 0s; }
.site-footer .footer-particle:nth-child(2) { width: 3px; height: 3px; left: 25%; bottom: 20%; animation-delay: 1.5s; }
.site-footer .footer-particle:nth-child(3) { width: 5px; height: 5px; left: 45%; bottom: 5%; animation-delay: 3s; }
.site-footer .footer-particle:nth-child(4) { width: 3px; height: 3px; left: 65%; bottom: 15%; animation-delay: 4.5s; }
.site-footer .footer-particle:nth-child(5) { width: 6px; height: 6px; left: 80%; bottom: 8%; animation-delay: 6s; }
.site-footer .footer-particle:nth-child(6) { width: 4px; height: 4px; left: 92%; bottom: 25%; animation-delay: 7.5s; }
.site-footer .footer-particle:nth-child(7) { width: 3px; height: 3px; left: 55%; bottom: 30%; animation-delay: 9s; }
.site-footer .footer-particle:nth-child(8) { width: 5px; height: 5px; left: 15%; bottom: 35%; animation-delay: 10.5s; }

@keyframes katranParticleRise {
  0% { opacity: 0; transform: translateY(0) translateX(0) scale(0.5); }
  10% { opacity: 0.15; }
  30% { opacity: 0.25; }
  60% { opacity: 0.15; transform: translateY(-200px) translateX(30px) scale(0.8); }
  100% { opacity: 0; transform: translateY(-400px) translateX(-20px) scale(0.2); }
}

/* ---------- MOBİL ---------- */
@media (max-width: 640px) {
  .masthead {
    flex-direction: column;
    align-items: flex-start;
    gap: 0.8rem;
    padding: 1rem;
    border-radius: 0 0 12px 12px;
  }
  .masthead .brand-name {
    font-size: 1.8rem;
  }
  .masthead .nav-links {
    width: 100%;
    justify-content: flex-start;
    gap: 0.05rem;
  }
  .masthead .nav-links a {
    font-size: 0.7rem;
    padding: 0.4rem 0.7rem;
    gap: 3px;
  }
  .masthead .nav-links a svg {
    width: 14px;
    height: 14px;
  }
  .site-footer {
    margin-left: -1rem;
    margin-right: -1rem;
    border-radius: 16px 16px 0 0;
    padding: 2rem 1rem 1.5rem;
  }
}