/* ========================================
   Header Styles
   ======================================== */
.site-header {
  position: fixed;
  top: 24px;
  left: 50%;
  transform: translateX(-50%);
  width: 92%;
  max-width: 1240px;
  z-index: 1001;
  background: rgba(255, 255, 255, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
  border: 1px solid var(--border);
  border-radius: 24px;
  transition: var(--transition);
  box-shadow: var(--shadow-lg);
}

@media (max-width: 768px) {
  .site-header {
    width: 96%;
    top: 12px;
    border-radius: 16px;
  }
}

[data-theme="dark"] .site-header {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px) saturate(180%);
  -webkit-backdrop-filter: blur(20px) saturate(180%);
}

/* Header Main */
.header-main {
  padding: 16px 0;
}

.header-content {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
}

.header-content-left,
.header-content-center,
.header-content-right {
  display: flex;
  align-items: center;
  gap: 16px;
}

.header-content-left {
  flex: 0 0 auto;
  justify-content: flex-start;
}

.header-content-center {
  flex: 1;
  justify-content: center;
}

.header-content-right {
  flex: 0 0 auto;
  justify-content: flex-end;
}

/* Mobile Header - Logo Ortalı */
@media (max-width: 1024px) {
  .header-layout-mobile .header-content {
    justify-content: space-between;
  }
  
  .header-layout-mobile .header-content-left {
    flex: 1;
    justify-content: flex-start;
  }
  
  .header-layout-mobile .header-content-center {
    flex: 1;
    justify-content: center;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
  }
  
  .header-layout-mobile .header-content-right {
    flex: 1;
    justify-content: flex-end;
  }
}

.logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 24px;
  font-weight: 800;
  color: var(--text);
  text-decoration: none;
  letter-spacing: -0.5px;
  transition: var(--transition);
}

.logo:hover {
  opacity: 0.8;
}

.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--text);
  color: var(--bg);
  border-radius: var(--radius);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  font-weight: 800;
  transition: var(--transition);
}

.logo:hover .logo-icon {
  transform: rotate(-5deg) scale(1.05);
}

/* Navigation */
.main-nav {
  display: flex;
  gap: 32px;
  align-items: center;
}

.main-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  font-weight: 600;
  font-size: 15px;
  transition: var(--transition);
  position: relative;
  padding: 8px 0;
}

.main-nav a.active {
  background: var(--text);
  color: var(--bg);
  border-radius: 20px;
  padding: 8px 16px;
}

.main-nav a:hover {
  color: var(--text);
  background: var(--surface-alt);
  border-radius: 20px;
}

/* Header Actions */
.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-toggle,
.theme-toggle {
  min-width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 6px;
  transition: var(--transition);
  color: var(--text);
  padding: 0 12px;
}


.search-toggle svg,
.theme-toggle svg {
  color: inherit;
  stroke: currentColor;
  flex-shrink: 0;
}

.header-account {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 40px;
  height: 40px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  color: var(--text);
  text-decoration: none;
  transition: var(--transition);
}

.header-account svg {
  color: inherit;
  stroke: currentColor;
}

.header-account:hover {
  background: var(--surface-alt);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.search-toggle:hover,
.theme-toggle:hover {
  background: var(--surface-alt);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.theme-toggle .moon-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .theme-toggle .moon-icon {
  display: block;
}

/* Search Overlay */
.search-overlay {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.6);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  z-index: 2000;
  display: flex;
  align-items: flex-start;
  justify-content: center;
  padding-top: 24px;
  opacity: 0;
  visibility: hidden;
  transition: var(--transition);
  overflow-y: auto;
}

@media (max-width: 768px) {
  .search-overlay {
    padding-top: 12px;
  }
}

.search-overlay.active {
  opacity: 1;
  visibility: visible;
}

.search-box {
  background: var(--surface);
  border: 2px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 24px;
  display: flex;
  align-items: center;
  gap: 16px;
  box-shadow: var(--shadow-xl);
  max-width: 800px;
  width: 100%;
  margin: 0 auto;
}

.search-box svg {
  color: var(--text-secondary);
  flex-shrink: 0;
}

.search-input-wrapper {
  position: relative;
  flex: 1;
  min-width: 0;
}

.search-box input {
  width: 100%;
  border: none;
  background: transparent;
  color: var(--text);
  font-size: 18px;
  outline: none;
  padding: 0;
}

/* Tarayıcıların otomatik eklediği temizleme butonunu tamamen kaldır */
.search-box input[type="search"]::-webkit-search-cancel-button {
  display: none;
  -webkit-appearance: none;
  appearance: none;
}

.search-box input[type="search"]::-webkit-search-decoration {
  -webkit-appearance: none;
}

.search-box input[type="search"]::-ms-clear {
  display: none;
  width: 0;
  height: 0;
}

.search-box input[type="search"]::-ms-reveal {
  display: none;
  width: 0;
  height: 0;
}

.search-box input::placeholder {
  color: transparent;
}

.search-placeholder-animated {
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  color: var(--text-secondary);
  font-size: 18px;
  pointer-events: none;
  white-space: nowrap;
  display: flex;
  align-items: center;
  gap: 4px;
}

.search-input-wrapper.has-value .search-placeholder-animated {
  display: none;
}

.search-placeholder-animated .placeholder-text {
  color: var(--text-secondary);
}

.search-placeholder-animated .placeholder-word {
  color: var(--primary);
  font-weight: 600;
  min-width: 120px;
  display: inline-block;
}

.search-placeholder-animated .placeholder-word::after {
  content: '|';
  color: var(--primary);
  animation: blink 1s infinite;
  margin-left: 2px;
}

@keyframes blink {
  0%, 50% {
    opacity: 1;
  }
  51%, 100% {
    opacity: 0;
  }
}

.search-submit {
  padding: 10px 20px;
  background: var(--btn-bg);
  color: var(--btn-text);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  cursor: pointer;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  white-space: nowrap;
  flex-shrink: 0;
}

.search-submit:hover {
  background: var(--surface-alt);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

/* Search Results */
.search-results {
  margin-top: 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 20px;
  max-width: 800px;
  width: 100%;
  margin-left: auto;
  margin-right: auto;
  max-height: 60vh;
  overflow-y: auto;
  display: none;
}

.search-results.has-results {
  display: block;
}

.search-results-item {
  display: flex;
  gap: 16px;
  padding: 16px;
  border-bottom: 1px solid var(--border);
  cursor: pointer;
  transition: var(--transition);
  align-items: flex-start;
  border-radius: var(--radius);
  margin-bottom: 8px;
}

.search-results-item:last-child {
  border-bottom: none;
  margin-bottom: 0;
}

.search-results-item:hover {
  background: var(--surface-alt);
  transform: translateX(4px);
  box-shadow: var(--shadow-sm);
}

.search-result-thumbnail {
  flex-shrink: 0;
  width: 80px;
  height: 80px;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--surface-alt);
  display: flex;
  align-items: center;
  justify-content: center;
}

.search-result-thumbnail img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.search-result-thumbnail-placeholder {
  background: var(--surface-alt);
  color: var(--text-secondary);
  opacity: 0.5;
}

.search-result-thumbnail-placeholder svg {
  width: 32px;
  height: 32px;
}

.search-result-content {
  flex: 1;
  min-width: 0;
}

.search-result-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 8px;
  flex-wrap: wrap;
}

.search-results-item h3 {
  font-size: 16px;
  margin: 0;
  color: var(--text);
  font-weight: 600;
  line-height: 1.4;
  flex: 1;
  min-width: 0;
}

.search-result-type {
  font-size: 11px;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.5px;
  color: var(--primary);
  background: var(--surface-alt);
  padding: 4px 8px;
  border-radius: var(--radius);
  white-space: nowrap;
}

.search-result-excerpt {
  font-size: 14px;
  color: var(--text-secondary);
  margin: 0 0 8px 0;
  line-height: 1.5;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.search-result-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 12px;
  color: var(--text-secondary);
}

.search-result-date {
  display: flex;
  align-items: center;
  gap: 4px;
}

.search-results-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-secondary);
}

.search-results-loading {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-secondary);
}

@media (max-width: 768px) {
  .search-box {
    padding: 16px;
    gap: 12px;
  }
  
  .search-box input,
  .search-placeholder-animated {
    font-size: 16px;
  }
  
  .search-submit {
    padding: 8px 16px;
    font-size: 14px;
  }
  
  .search-results {
    max-height: 50vh;
    padding: 16px;
  }
  
  .search-results-item {
    padding: 12px;
    gap: 12px;
  }
  
  .search-result-thumbnail {
    width: 60px;
    height: 60px;
  }
  
  .search-results-item h3 {
    font-size: 15px;
  }
  
  .search-result-excerpt {
    font-size: 13px;
  }
}

/* Mobile Menu Button */
.mobile-menu-btn {
  display: none;
  flex-direction: column;
  gap: 6px;
  background: transparent;
  border: none;
  cursor: pointer;
  width: 40px;
  height: 40px;
  justify-content: center;
  align-items: center;
  padding: 0;
}

.mobile-menu-btn span {
  width: 24px;
  height: 2px;
  background: var(--text);
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  border-radius: 2px;
}

.mobile-menu-btn.active span:nth-child(1) {
  transform: rotate(45deg) translate(6px, 6px);
}

.mobile-menu-btn.active span:nth-child(2) {
  opacity: 0;
}

.mobile-menu-btn.active span:nth-child(3) {
  transform: rotate(-45deg) translate(6px, -6px);
}

/* Mobile Menu Backdrop */
.mobile-menu-backdrop {
  display: none;
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  bottom: 0;
  background: rgba(0, 0, 0, 0.4);
  z-index: 998;
  opacity: 0;
  visibility: hidden;
  transition: opacity 0.3s ease, visibility 0.3s ease;
}

.mobile-menu-backdrop.active {
  opacity: 1;
  visibility: visible;
}

/* Mobile Menu */
.mobile-menu {
  display: none;
  position: fixed;
  bottom: 0;
  left: 4%;
  right: 4%;
  width: 92%;
  max-width: 1240px;
  margin: 0 auto;
  height: auto;
  max-height: 90vh;
  background: var(--surface);
  border: none;
  border-top: 1px solid var(--border);
  border-radius: 24px 24px 0 0;
  z-index: 999;
  box-shadow: 0 -10px 40px -10px rgba(0, 0, 0, 0.2);
  transform: translateY(100%);
  transition: transform 0.4s cubic-bezier(0.16, 1, 0.3, 1), opacity 0.3s ease;
  opacity: 0;
  flex-direction: column;
  overflow-y: auto;
  overflow-x: hidden;
}

@media (max-width: 768px) {
  .mobile-menu {
    left: 2%;
    right: 2%;
    width: 96%;
  }
}

[data-theme="dark"] .mobile-menu {
  background: rgba(10, 10, 10, 0.85);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-color: rgba(255, 255, 255, 0.1);
  box-shadow: 0 10px 40px -10px rgba(0, 0, 0, 0.5);
}

.mobile-menu.active {
  transform: translateY(0);
  opacity: 1;
}

.mobile-menu-header {
  display: none;
}

.mobile-menu-header .logo {
  display: flex;
  align-items: center;
  gap: 12px;
}

.mobile-menu-header .logo-icon {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--primary), rgba(0, 0, 0, 0.8));
  color: var(--bg);
  border-radius: 10px;
  font-weight: 700;
  font-size: 18px;
}

[data-theme="dark"] .mobile-menu-header .logo-icon {
  background: linear-gradient(135deg, var(--primary), rgba(255, 255, 255, 0.2));
  color: var(--text);
}

.mobile-menu-header .logo-text {
  font-size: 18px;
  font-weight: 700;
  color: var(--text);
}

.mobile-menu-close {
  width: 36px;
  height: 36px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  border: 1px solid var(--border);
  border-radius: 8px;
  color: var(--text);
  cursor: pointer;
  transition: all 0.3s ease;
  padding: 0;
}

.mobile-menu-close:hover {
  background: var(--surface-alt);
  border-color: var(--border);
  transform: rotate(90deg);
}

.mobile-menu nav,
.mobile-menu .mobile-menu-nav {
  display: flex;
  flex-direction: column;
  gap: 8px;
  flex: 1;
  padding: 24px 20px;
  overflow-y: auto;
  min-height: 0;
}

.mobile-menu nav a {
  color: var(--text);
  text-decoration: none;
  font-weight: 500;
  padding: 10px 14px;
  border-radius: 8px;
  transition: all 0.2s ease;
  font-size: 14px;
  display: flex;
  align-items: center;
  gap: 10px;
  position: relative;
  background: transparent;
  border: 1px solid transparent;
}

.mobile-menu nav a svg {
  flex-shrink: 0;
  width: 16px;
  height: 16px;
  opacity: 0.7;
  transition: all 0.3s ease;
}

.mobile-menu nav a::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%) scaleY(0);
  width: 4px;
  height: 0;
  background: linear-gradient(180deg, var(--primary), var(--primary));
  border-radius: 0 4px 4px 0;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

.mobile-menu nav a:hover,
.mobile-menu nav a:focus {
  background: var(--surface-alt);
  border-color: var(--border);
  padding-left: 24px;
  transform: translateX(4px);
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
}

.mobile-menu nav a:hover::before,
.mobile-menu nav a:focus::before {
  transform: translateY(-50%) scaleY(1);
  height: 60%;
}

.mobile-menu nav a:hover svg,
.mobile-menu nav a:focus svg {
  opacity: 1;
  transform: scale(1.1);
}

.mobile-menu nav a.btn-primary {
  background: linear-gradient(135deg, var(--primary), rgba(0, 0, 0, 0.8));
  color: var(--bg);
  border: none;
  margin-top: 8px;
  justify-content: center;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
}

[data-theme="dark"] .mobile-menu nav a.btn-primary {
  background: #ffffff;
  color: #000000;
}

.mobile-menu nav a.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(0, 0, 0, 0.2);
  padding-left: 20px;
}

.mobile-menu nav a.btn-primary::before {
  display: none;
}

.mobile-menu-footer {
  padding: 16px 20px;
  padding-bottom: calc(16px + env(safe-area-inset-bottom));
  border-top: 1px solid var(--border);
  display: flex;
  justify-content: space-between;
  align-items: center;
  background: var(--surface);
  margin-top: auto;
  gap: 12px;
  flex-shrink: 0;
  position: sticky;
  bottom: 0;
}

.mobile-menu-footer .mobile-theme-toggle {
  min-width: 120px;
  height: 40px;
  border: 1px solid var(--border);
  background: var(--surface);
  border-radius: var(--radius);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  transition: var(--transition);
  color: var(--text);
  font-size: 14px;
  font-weight: 500;
  padding: 0 16px;
  flex-shrink: 0;
}

.mobile-menu-footer .mobile-theme-toggle:hover {
  background: var(--surface-alt);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}

.mobile-menu-footer .mobile-theme-toggle .moon-icon {
  display: none;
}

.mobile-menu-footer .mobile-theme-toggle .theme-toggle-text {
  display: flex;
  align-items: center;
  gap: 4px;
}

.mobile-menu-footer .mobile-theme-toggle .theme-text-dark {
  display: none;
}

[data-theme="dark"] .mobile-menu-footer .mobile-theme-toggle .sun-icon {
  display: none;
}

[data-theme="dark"] .mobile-menu-footer .mobile-theme-toggle .moon-icon {
  display: block;
}

[data-theme="dark"] .mobile-menu-footer .mobile-theme-toggle .theme-text-light {
  display: none;
}

[data-theme="dark"] .mobile-menu-footer .mobile-theme-toggle .theme-text-dark {
  display: inline;
}

.mobile-social {
  display: flex;
  gap: 8px;
  justify-content: flex-end;
  align-items: center;
  flex-shrink: 0;
}

.mobile-social a {
  width: 40px;
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: center;
  background: var(--surface);
  border-radius: var(--radius);
  color: var(--text);
  border: 1px solid var(--border);
  transition: all 0.2s ease;
  flex-shrink: 0;
}

.mobile-social a svg {
  width: 16px;
  height: 16px;
}

.mobile-social a:hover {
  background: var(--surface-alt);
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
  border-color: var(--border);
}

/* Header Layout Visibility */
.header-layout-mobile {
  display: none;
}

.header-layout-desktop {
  display: block;
}

@media (max-width: 1024px) {
  .header-layout-desktop {
    display: none;
  }

  .header-layout-mobile {
    display: block;
  }

  .mobile-menu-btn {
    display: flex !important;
  }

  .mobile-menu,
  .mobile-menu-backdrop {
    display: block;
  }
}