/**
 * Header – sade, modern
 */

/* Üst bar – ince */
.header-top {
    background-color: var(--color-bg-dark);
    color: var(--color-text-inverse);
    padding: 0.5rem 0;
    font-size: 0.8125rem;
    border-bottom: none;
}

.header-top .header-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.header-date,
.header-tagline {
    display: flex;
    gap: 1.25rem;
    align-items: center;
    font-weight: 500;
    color: rgba(255, 255, 255, 0.9);
}

.header-tagline .site-tagline {
    font-size: 0.8125rem;
    line-height: 1.4;
    font-weight: 400;
    color: rgba(255, 255, 255, 0.85);
}

/* Site header – gölgeyle ayrım */
.site-header {
    background-color: var(--color-bg) !important;
    box-shadow: var(--shadow-sm) !important;
    position: sticky !important;
    top: 0 !important;
    z-index: 1000 !important;
    border-bottom: 1px solid var(--color-border-light) !important;
    width: 100% !important;
    max-width: 100% !important;
}

/* Logo alanı */
.header-main {
    padding: 1rem 0;
    border-bottom: none;
}

.header-main .header-container {
    display: flex !important;
    align-items: center !important;
    justify-content: space-between !important;
    gap: 1rem !important;
    flex-wrap: nowrap !important; /* Aynı satırda kalması için */
    width: 100% !important;
}

.site-branding {
    flex: 0 0 auto !important;
    min-width: 0 !important; /* Overflow önleme */
    flex-shrink: 0 !important;
}

.header-ad-container {
    flex: 1 1 auto !important;
    flex-shrink: 1 !important;
    flex-grow: 1 !important;
}

.header-actions {
    flex: 0 0 auto !important;
    display: flex !important;
    align-items: center !important;
    gap: 0.75rem !important;
    min-width: 0 !important; /* Overflow önleme */
    flex-shrink: 0 !important;
}

.site-title {
    margin: 0;
    font-size: 1.75rem;
    font-weight: 800;
    line-height: 1.2;
    text-transform: none;
    letter-spacing: -0.02em;
}

.site-title a {
    color: var(--color-text);
    text-decoration: none;
    transition: color 0.2s ease;
}

.site-title a:hover {
    color: var(--color-primary);
}

.custom-logo-link img {
    max-height: 56px;
    width: auto;
    height: auto;
}

/* Mobil logo desteği (Tema Yönetimi -> Logo Yönetimi) */
.site-logo--mobile {
    display: none;
    align-items: center;
}

.site-logo--mobile img {
    max-height: 56px;
    width: auto;
    height: auto;
    display: block;
}

/* Header reklam alanı (logo ve arama kutusu arasında - aynı satırda) */
.header-ad-container {
    flex: 1 1 auto !important;
    display: flex !important;
    align-items: center !important;
    justify-content: center !important;
    padding: 0 0.75rem !important;
    min-width: 200px !important; /* Minimum genişlik - görünürlük için */
    max-width: 728px !important;
    margin: 0 auto !important;
    min-height: 50px !important; /* Minimum yükseklik - görünürlük için */
    visibility: visible !important;
    opacity: 1 !important;
    position: relative !important;
}

/* Desktop'ta header reklam alanı görünür olmalı */
@media (min-width: 769px) {
    .header-ad-container {
        display: flex !important;
        visibility: visible !important;
        opacity: 1 !important;
        width: auto !important;
        max-width: 728px !important;
    }
}

/* Header içindeki reklam ve placeholder - diğer reklam alanları gibi */
.header-ad-container .isk-ad,
.header-ad-container .isk-ad-placeholder {
    margin: 0 !important;
    text-align: center;
    width: 100% !important;
    max-width: 100% !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
    min-height: 50px !important;
}

.header-ad-container .isk-ad img,
.header-ad-container .isk-ad iframe {
    max-width: 100%;
    height: auto;
    display: block;
    margin: 0 auto;
}

/* Placeholder box - diğer reklam alanlarındaki gibi */
.header-ad-container .isk-ad-placeholder__box {
    margin: 0 auto !important;
    max-width: 100% !important;
    display: flex !important;
    flex-direction: column !important;
    visibility: visible !important;
    opacity: 1 !important;
    background: #fafafa !important;
    border: 1px solid #e1e8ed !important;
    border-radius: 8px !important;
    padding: 0.75rem 1rem !important;
    min-height: 50px !important;
    gap: 0.35rem !important;
    box-sizing: border-box !important;
}

.header-ad-container .isk-ad-placeholder__title {
    font-size: 0.875rem !important;
    font-weight: 600 !important;
    color: #424242 !important;
    line-height: 1.3 !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

.header-ad-container .isk-ad-placeholder__desc {
    margin: 0 !important;
    font-size: 0.8125rem !important;
    color: #616161 !important;
    line-height: 1.4 !important;
    display: block !important;
    visibility: visible !important;
    opacity: 1 !important;
}

/* Mobilde header reklam alanını gizle (yer yok) */
@media (max-width: 768px) {
    .header-main .header-container {
        flex-wrap: wrap !important;
    }
    .header-main .header-container .header-ad-container {
        display: none !important;
    }
    .header-main .header-container .header-actions {
        flex: 1 1 auto !important;
        min-width: 0 !important;
    }
    .header-main .header-container .header-search-form {
        min-width: 0 !important;
        flex: 1 !important;
    }
    
    /* Mobilde header altında reklam göster */
    .header-ad-mobile {
        display: block;
        width: 100%;
        padding: 0.5rem 0;
        background-color: #f9fafb;
        border-top: 1px solid #e5e7eb;
        border-bottom: 1px solid #e5e7eb;
    }
    
    .header-ad-mobile .isk-ad {
        padding: 0 1rem;
        margin: 0 auto;
    }
}

@media (min-width: 769px) {
    .header-ad-mobile {
        display: none !important; /* Desktop'ta gizle */
    }
}

@media (max-width: 768px) {
    body.has-mobile-logo .site-branding .custom-logo-link,
    body.has-mobile-logo .site-branding .site-title,
    body.has-mobile-logo .site-branding .site-description {
        display: none !important;
    }
    body.has-mobile-logo .site-branding .site-logo--mobile {
        display: inline-flex;
    }
}

.header-actions {
    display: flex;
    align-items: center;
    gap: 0.5rem;
    flex-shrink: 0;
}

/* Ana menü – sade hover */
.main-navigation {
    background-color: var(--color-bg);
    border-top: 1px solid var(--color-border-light);
}

.main-navigation .header-container {
    padding: 0 1.5rem;
}

.primary-menu {
    list-style: none;
    padding: 0;
    margin: 0;
    display: flex;
    flex-wrap: wrap;
    gap: 0;
    align-items: center;
}

.primary-menu > li {
    position: relative;
}

.primary-menu > li > a {
    display: block;
    padding: 0.875rem 1.25rem;
    color: var(--color-text);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9375rem;
    transition: color 0.2s ease, background 0.2s ease;
    border-bottom: 2px solid transparent;
    text-transform: none;
    letter-spacing: 0;
}

.primary-menu > li > a:hover,
.primary-menu > li.current-menu-item > a,
.primary-menu > li.current-menu-ancestor > a {
    color: var(--color-primary);
    background-color: var(--color-bg-light);
    border-bottom-color: var(--color-primary);
}

.dark-mode-toggle {
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--color-text-muted);
    display: flex;
    align-items: center;
    justify-content: center;
    transition: color 0.2s ease, background 0.2s ease;
    border-radius: var(--radius-sm);
    min-width: 44px;
    min-height: 44px;
}

.dark-mode-toggle:hover {
    color: var(--color-primary);
    background-color: var(--color-bg-lighter);
}

/* Arama Formu - Açık renklerle */
.header-search-form {
    position: relative;
    min-width: 280px;
    max-width: 400px;
}

.search-form-wrapper {
    display: flex;
    align-items: center;
    background-color: #ffffff !important;
    border: 1px solid var(--color-border);
    border-radius: 50px;
    padding: 0.5rem 1rem;
    transition: all 0.3s ease;
    gap: 0.5rem;
}

/* Dark mode'da da açık arka plan */
[data-theme="dark"] .search-form-wrapper,
.dark-mode .search-form-wrapper {
    background-color: #ffffff !important;
}

.search-form-wrapper:focus-within {
    border-color: var(--color-primary);
    box-shadow: 0 0 0 3px var(--color-primary-lighter);
}

.search-field {
    flex: 1;
    border: none;
    background: transparent;
    outline: none;
    font-size: 0.9375rem;
    color: #1a1a1a !important;
    padding: 0.375rem 0;
    min-width: 0;
    font-family: inherit;
}

.search-field::placeholder {
    color: #616161 !important;
    opacity: 0.7;
}

.search-submit {
    background: transparent;
    border: none;
    border-radius: 50%;
    width: 36px;
    height: 36px;
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    color: var(--color-primary);
    padding: 0;
    transition: all 0.2s ease;
    flex-shrink: 0;
}

.search-submit:hover {
    background-color: var(--color-primary-lighter);
    transform: scale(1.05);
}

.search-submit:active {
    transform: scale(0.95);
}

.search-submit svg {
    width: 18px;
    height: 18px;
    fill: currentColor;
}

.font-size-label {
    font-size: 0.8125rem;
    color: var(--color-text-muted);
    margin-right: 0.25rem;
    font-weight: 500;
}

.font-size-btn {
    background: var(--color-bg-lighter);
    color: var(--color-text);
    border: 1px solid var(--color-border);
    width: 32px;
    height: 32px;
    border-radius: var(--radius-sm);
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 0.8125rem;
    font-weight: 600;
    transition: background 0.2s ease, color 0.2s ease;
}

.font-size-btn:hover {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

.font-size-btn.active {
    background: var(--color-primary);
    color: var(--color-text-inverse);
    border-color: var(--color-primary);
}

/* Menu Toggle Button */
.menu-toggle {
    display: none;
    background: none;
    border: none;
    padding: 0.5rem;
    cursor: pointer;
    color: var(--color-text);
    flex-direction: column;
    align-items: center;
    justify-content: center;
    gap: 0.25rem;
    min-width: 44px;
    min-height: 44px;
}

.menu-toggle-icon {
    display: flex;
    flex-direction: column;
    gap: 4px;
    width: 24px;
}

.menu-toggle-icon span {
    display: block;
    width: 100%;
    height: 2px;
    background-color: var(--color-text);
    transition: all 0.3s ease;
    border-radius: 2px;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:nth-child(1) {
    transform: rotate(45deg) translate(5px, 5px);
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:nth-child(2) {
    opacity: 0;
}

.menu-toggle[aria-expanded="true"] .menu-toggle-icon span:nth-child(3) {
    transform: rotate(-45deg) translate(7px, -6px);
}

.menu-toggle-text {
    font-size: 0.75rem;
    font-weight: 500;
}

/* Mobil Menü */
@media (max-width: 768px) {
    .menu-toggle {
        display: flex !important;
        background: #0d47a1 !important;
        color: #ffffff !important;
        border: 2px solid #0d47a1 !important;
        border-radius: 6px !important;
        padding: 0.5rem 1rem !important;
        box-shadow: 0 2px 4px rgba(0, 0, 0, 0.15) !important;
    }
    .menu-toggle .menu-toggle-icon span {
        background-color: #ffffff !important;
    }
    
    .main-navigation {
        position: relative;
    }
    
    .main-navigation .header-container {
        position: relative;
        padding: 0 1rem;
        display: flex !important;
        align-items: center !important;
        flex-wrap: wrap !important;
    }
    
    .primary-menu {
        display: none;
        flex-direction: column;
        width: 100%;
        background-color: #ffffff !important;
        position: absolute;
        top: 100%;
        left: 0;
        right: 0;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
        z-index: 999;
        max-height: calc(100vh - 120px);
        overflow-y: auto;
        padding: 0;
        margin: 0;
        -webkit-overflow-scrolling: touch;
    }
    
    .main-navigation.toggled .primary-menu {
        display: flex;
        animation: slideDown 0.3s ease;
    }
    
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-10px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    
    .primary-menu > li {
        width: 100%;
        border-bottom: 1px solid var(--color-border-light);
    }
    
    .primary-menu > li:last-child {
        border-bottom: none;
    }
    
    .primary-menu > li > a {
        padding: 1rem 1.5rem;
        border-bottom: none;
        width: 100%;
        color: #1a1a1a !important;
        font-weight: 600 !important;
    }
    
    .primary-menu > li > a:hover,
    .primary-menu > li.current-menu-item > a,
    .primary-menu > li.current-menu-ancestor > a {
        background-color: #f5f5f5 !important;
        color: #0d47a1 !important;
        border-bottom: none;
    }
    
    /* Submenu */
    .primary-menu .sub-menu {
        display: none;
        list-style: none;
        padding: 0;
        margin: 0;
        background-color: #f8f9fa !important;
    }
    
    .primary-menu .menu-item-has-children.active > .sub-menu {
        display: block;
    }
    
    .primary-menu .sub-menu li {
        border-bottom: 1px solid var(--color-border);
    }
    
    .primary-menu .sub-menu li:last-child {
        border-bottom: none;
    }
    
    .primary-menu .sub-menu a {
        padding: 0.875rem 1.5rem 0.875rem 2.5rem;
        font-size: 0.875rem;
        color: #333333 !important;
    }
    
    /* Dark mode'da menü butonu belirgin kalsın */
    .dark-mode .menu-toggle,
    [data-theme="dark"] .menu-toggle {
        background: #1565c0 !important;
        border-color: #1565c0 !important;
        color: #ffffff !important;
    }
    .dark-mode .menu-toggle .menu-toggle-icon span,
    [data-theme="dark"] .menu-toggle .menu-toggle-icon span {
        background-color: #ffffff !important;
    }
    
    /* Dark mode'da bile mobil menü açık arka plan, koyu metin (okunabilirlik) */
    .dark-mode .main-navigation.toggled .primary-menu,
    [data-theme="dark"] .main-navigation.toggled .primary-menu {
        background-color: #ffffff !important;
    }
    .dark-mode .primary-menu > li > a,
    [data-theme="dark"] .primary-menu > li > a {
        color: #1a1a1a !important;
    }
    .dark-mode .primary-menu > li > a:hover,
    [data-theme="dark"] .primary-menu > li > a:hover {
        background-color: #f5f5f5 !important;
        color: #0d47a1 !important;
    }
    
    .primary-menu .sub-menu a:hover {
        background-color: var(--color-bg-lighter);
        color: var(--color-primary);
    }
    
    /* Menu item with children indicator */
    .primary-menu .menu-item-has-children > a::after {
        content: '+';
        float: right;
        font-size: 1.25rem;
        font-weight: 300;
        transition: transform 0.3s ease;
    }
    
    .primary-menu .menu-item-has-children.active > a::after {
        content: '−';
        transform: rotate(0deg);
    }
    
    /* Mobil Header Actions */
    .header-actions {
        flex-direction: row;
        gap: 0.75rem;
        width: 100%;
        align-items: center;
    }
    
    /* Mobil Arama Formu */
    .header-search-form {
        min-width: 0;
        max-width: 100%;
        flex: 1;
    }
    
    .search-form-wrapper {
        border-radius: 12px;
        padding: 0.625rem 1rem;
    }
    
    .search-field {
        font-size: 0.875rem;
    }
    
    .search-submit {
        width: 32px;
        height: 32px;
    }
    
    .search-submit svg {
        width: 16px;
        height: 16px;
    }
    
    .dark-mode-toggle {
        flex-shrink: 0;
    }
}