/* PROFESYONEL HEADER STİLLERİ */

/* --- 1. Temel Değişkenler (Renk Yönetimi) --- */
:root {
    --primary-color: #e40043;      /* Vişne Kırmızısı */
    --primary-hover: #c00038;      /* Hover Tonu */
    --header-bg: #f8f9fa;          /* Açık Gri Zemin */
    --text-color: #2d3436;         /* Antrasit Yazı */
    --light-gray: #f5f6fa;         /* Hafif Gri (Mobil menü vb.) */
    --shadow: none;                /* Gölge kaldırıldı */
}

/* Dark Mode Desteği */
body.dark-mode {
    --header-bg: transparent;
    --text-color: #e0e0e0;
    --light-gray: #2d2d2d;
    --shadow: none;
}

/* --- 2. Header İskeleti --- */
.main-header {
    background-color: var(--header-bg);
    box-shadow: var(--shadow);
    position: relative; /* Sticky kaldırıldı - aşağı kaydırınca sabit kalmayacak */
    z-index: 1000;
    padding: 15px 0;
    transition: background-color 0.3s ease;
}

.header-container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 20px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: nowrap; /* Mobilde alt alta geçmesini engelle */
}

/* --- 3. Logo Alanı --- */
.logo-area img {
    height: 90px;
    width: 130px;
    display: block;
    transition: transform 0.2s, opacity 0.3s ease;
    opacity: 1;
}
.logo-area img:hover {
    transform: scale(1.03);
}

/* --- 4. Navigasyon (Linkler) --- */
.header-nav {
    display: flex;
    align-items: center;
    gap: 30px;
    flex: 1;
    justify-content: space-between;
    margin-left: 40px;
}

/* Ana Menü Grubu */
.nav-group {
    display: flex;
    align-items: center;
    gap: 25px;
}

.nav-link {
    color: var(--text-color);
    text-decoration: none;
    font-weight: 600;
    font-size: 0.95rem;
    padding: 8px 0;
    position: relative;
    transition: color 0.3s;
    white-space: nowrap;
}

/* Linklerin altına gelen şık çizgi efekti */
.nav-link::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s;
}

.nav-link:hover {
    color: var(--primary-color);
}

.nav-link:hover::after {
    width: 100%;
}

/* Kampanyalar Butonu (Sade) */
.nav-btn-campaign {
    color: var(--text-color) !important;
    background: transparent;
    padding: 8px 0;
    border-radius: 0;
    box-shadow: none;
    font-weight: 600;
    font-size: 0.95rem;
    letter-spacing: 0;
    transition: color 0.3s;
    position: relative;
}
.nav-btn-campaign::after {
    content: '';
    position: absolute;
    width: 0;
    height: 2px;
    bottom: 0;
    left: 0;
    background-color: var(--primary-color);
    transition: width 0.3s;
}
.nav-btn-campaign:hover {
    transform: none;
    box-shadow: none;
    background: transparent;
    color: var(--primary-color) !important;
}
.nav-btn-campaign:hover::after {
    width: 100%;
}

/* Auth Butonları (Giriş/Üye Ol) */
.auth-btn {
    padding: 8px 20px;
    border-radius: 25px;
    text-decoration: none;
    font-weight: 600;
    font-size: 0.9rem;
    transition: all 0.3s ease;
    white-space: nowrap;
}

.btn-login {
    color: var(--primary-color);
    border: 2px solid var(--primary-color);
    background: transparent;
}
.btn-login:hover {
    background: var(--primary-color);
    color: white;
    transform: translateY(-2px);
}

.btn-register {
    background: linear-gradient(135deg, #27ae60 0%, #2ecc71 100%);
    color: white;
    border: 2px solid transparent;
    box-shadow: 0 4px 12px rgba(39, 174, 96, 0.2);
}
.btn-register:hover {
    transform: translateY(-2px);
    box-shadow: 0 6px 15px rgba(39, 174, 96, 0.3);
    background: linear-gradient(135deg, #229954 0%, #27ae60 100%);
}

/* --- 5. İkonlar ve Araçlar --- */
.header-tools {
    display: flex;
    align-items: center;
    gap: 12px;
}

.tool-btn {
    background: transparent;
    border: none;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
    text-decoration: none;
    position: relative;
}

.tool-icon {
    font-size: 1.2rem;
    transition: transform 0.2s;
}

.tool-btn:hover {
    background: var(--primary-color);
    transform: none;
    box-shadow: none;
}

.tool-btn:hover .tool-icon {
    transform: scale(1.1);
    filter: brightness(0) invert(1); /* İkonu beyaz yap */
}

/* User buton için özel stil */
.user-btn {
    background: linear-gradient(135deg, var(--primary-color) 0%, var(--primary-hover) 100%);
}
.user-btn .tool-icon {
    filter: brightness(0) invert(1);
}

/* Dark mode'da tool butonlar */
body.dark-mode .tool-btn {
    background: transparent;
}
body.dark-mode .tool-btn:hover {
    background: transparent;
}

/* --- 6. Mobil Menü Butonu ve İkonlar --- */
.mobile-toggle {
    display: none;
    background: none;
    border: none;
    font-size: 1.5rem;
    color: var(--text-color);
    cursor: pointer;
}

/* Logo Section */
.logo-section {
    display: flex;
    align-items: center;
}

/* Mobil İkonlar - Desktop'ta gizli */
.mobile-icons {
    display: none;
}

/* --- 7. Responsive (Mobil Uyumluluk) --- */
@media (max-width: 1100px) {
    .header-nav {
        gap: 20px;
    }
    
    .nav-group {
        gap: 18px;
    }
    
    .nav-link {
        font-size: 0.9rem;
    }
}

@media (max-width: 968px) {
    .mobile-toggle {
        display: block;
    }
    
    /* Logo Section - Mobilde flex */
    .logo-section {
        display: flex;
        align-items: center;
        gap: 12px;
        flex: 1;
        min-width: 0; /* Flex overflow fix */
    }
    
    .logo-area {
        flex-shrink: 0; /* Logo küçülmesin */
    }
    
    /* Mobil İkonlar - Sadece mobilde göster */
    .mobile-icons {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-left: auto;
        flex-shrink: 0; /* Butonlar sıkışmasın */
    }
    
    .mobile-icons .tool-btn {
        width: 40px;
        height: 40px;
        border-radius: 50%;
        background: transparent;
        border: 2px solid var(--primary-color);
        display: flex;
        align-items: center;
        justify-content: center;
        transition: all 0.3s ease;
        cursor: pointer;
        -webkit-tap-highlight-color: transparent; /* iOS tap highlight kaldır */
    }
    
    .mobile-icons .tool-btn:hover,
    .mobile-icons .tool-btn:active {
        background: var(--primary-color);
    }
    
    /* Dark Mode'da mobil butonlar */
    body.dark-mode .mobile-icons .tool-btn {
        border-color: var(--primary-color);
        color: #fff;
    }
    
    body.dark-mode .mobile-icons .tool-btn:hover,
    body.dark-mode .mobile-icons .tool-btn:active {
        background: var(--primary-color);
        box-shadow: 0 0 15px rgba(187, 48, 76, 0.5);
    }
    
    .mobile-icons .tool-icon {
        font-size: 1.2rem;
    }
    
    /* Desktop butonları gizle */
    .desktop-search,
    .desktop-theme {
        display: none !important;
    }

    .header-nav {
        position: absolute;
        top: 100%;
        left: 0;
        width: 100%;
        background-color: #fff;
        flex-direction: column;
        padding: 20px;
        gap: 15px;
        box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        
        /* Animasyonlu Açılış */
        opacity: 0;
        visibility: hidden;
        transform: translateY(-10px);
        transition: all 0.3s ease;
    }
    
    /* Dark mode menü arkaplanı */
    body.dark-mode .header-nav {
        background-color: #1a1a1a;
        box-shadow: 0 4px 12px rgba(0,0,0,0.3);
    }

    .header-nav.active {
        opacity: 1;
        visibility: visible;
        transform: translateY(0);
    }
    
    .nav-group {
        flex-direction: column;
        width: 100%;
        gap: 12px;
    }

    .header-tools {
        width: 100%;
        justify-content: center;
        border-top: 1px solid var(--light-gray);
        padding-top: 15px;
        margin-top: 10px;
        flex-wrap: wrap;
    }

    .nav-link,
    .nav-btn-campaign {
        width: 100%;
        text-align: center;
        display: block;
    }
    
    .auth-btn {
        flex: 1;
        text-align: center;
        min-width: 120px;
    }
    
    .tool-btn {
        margin: 0;
    }
}

/* Dark Mode Header Overrides */
[data-theme="dark"] .main-header {
    background-color: var(--header-bg);
    box-shadow: none;
}

[data-theme="dark"] .header-tools {
    border-left-color: #3d3738;
}

[data-theme="dark"] .mobile-toggle {
    color: var(--text-color);
}

[data-theme="dark"] .header-nav {
    background-color: var(--header-bg);
}

[data-theme="dark"] .header-tools {
    border-top-color: #3d3738;
}

/* --- 3a. Logo Alanı + BETA Badge --- */
.logo-area {
    position: relative;
}

.beta-badge {
    position: absolute;
    top: -8px;
    left: 50%;
    transform: translateX(-50%);
    background: var(--primary-color);
    color: white !important;
    padding: 2px 8px;
    border-radius: 12px;
    font-size: 10px;
    font-weight: 700;
    letter-spacing: 0.5px;
    white-space: nowrap;
    z-index: 10;
    box-shadow: 0 2px 4px rgba(228, 0, 67, 0.2);
}

/* Light ve Dark mode'da da beyaz kalsın */
[data-theme="light"] .beta-badge,
[data-theme="dark"] .beta-badge {
    color: white !important;
}