/* ================================================
   1. TEMEL DEĞİŞKENLER VE GLOBAL STİLLER
   ================================================ */
:root {
    --dark-bg: #060709;
    --primary-blue: #00aeff;
    --light-text: #e0e0e0;
    --card-bg: #101827;
    --border-color: #2a3a50;
    --text-muted: #8a99b0;
    --success-green: #2ea043;
    --error-red: #e53e3e;
}

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Segoe UI', -apple-system, BlinkMacSystemFont, 'Roboto', 'Oxygen', 'Ubuntu', 'Cantarell', 'Fira Sans', 'Droid Sans', 'Helvetica Neue', sans-serif;
    background-color: var(--dark-bg);
    color: var(--light-text);
    line-height: 1.7;
}

.container {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

footer {
    text-align: center;
    padding: 2.5rem 0;
    margin-top: 4rem;
    border-top: 1px solid var(--border-color);
    color: var(--text-muted);
}

.page-section {
    padding-top: 120px; /* Sabit navbar için üst boşluk */
    padding-bottom: 5rem;
}


/* ================================================
   2. NAVBAR VE AÇILIR MENÜ
   ================================================ */
.navbar {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    background-color: rgba(6, 7, 9, 0.85);
    backdrop-filter: blur(10px);
    border-bottom: 1px solid var(--border-color);
    z-index: 1000;
    padding: 0.8rem 0;
}

.navbar-container {
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
}

.logo-container {
    display: flex;
    align-items: center;
    text-decoration: none;
}

.logo-img { height: 35px; margin-right: 12px; }
.logo-text { font-size: 1.2rem; font-weight: bold; color: var(--light-text); }
.nav-links { list-style: none; display: flex; align-items: center; margin: 0; padding: 0; }
.nav-links li { margin: 0 0.5rem; position: relative; }
.nav-links a { color: var(--light-text); text-decoration: none; font-size: 0.95rem; padding: 0.5rem 0.75rem; border-radius: 5px; transition: color 0.2s, background-color 0.2s; }
.nav-links a:hover { color: var(--primary-blue); background-color: rgba(0, 174, 255, 0.1); }
.dropdown-menu {
    display: none;
    position: absolute;
    top: 100%;
    left: 0;
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 5px;
    list-style: none;
    padding: 0.5rem 0;
    min-width: 180px;
    box-shadow: 0 8px 16px rgba(0,0,0,0.3);
    margin-top: 0;
    padding-top: 1rem;
    border-top-left-radius: 0;
    border-top-right-radius: 0;
}
.dropdown:hover .dropdown-menu { display: block; }
.dropdown-menu a { display: block; padding: 0.75rem 1.5rem; white-space: nowrap; }

/* ================================================
   3. ANA SAYFA ("BİZ KİMİZ?" VE MAKALE LİSTESİ)
   ================================================ */
#about-us { text-align: center; }
.main-header h1 { font-size: 2.8rem; color: var(--primary-blue); }
.main-header { text-align: center; margin-bottom: 3rem; }
.main-header p { font-size: 1.1rem; color: var(--text-muted); max-width: 800px; margin: 1.5rem auto 0 auto; }
.section-title { font-size: 2.5rem; color: var(--primary-blue); text-align: center; margin-bottom: 3rem; padding-bottom: 1rem; border-bottom: 1px solid var(--border-color); }

.articles-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(340px, 1fr));
    gap: 2rem;
}

.article-card {
    background-color: var(--card-bg);
    border-radius: 10px;
    border: 1px solid var(--border-color);
    display: flex;
    flex-direction: column;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
    overflow: hidden;
}

.article-card:hover {
    transform: translateY(-5px);
    box-shadow: 0 10px 20px rgba(0, 174, 255, 0.08);
}

.card-body {
    padding: 1.75rem;
    display: flex;
    flex-direction: column;
    flex-grow: 1;
}

.card-tags {
    margin-bottom: 1rem;
    display: flex;
    flex-wrap: wrap;
    gap: 0.5rem;
}

.card-tags .tag {
    background-color: var(--border-color);
    color: var(--primary-blue);
    padding: 0.25rem 0.75rem;
    border-radius: 15px;
    font-size: 0.75rem;
    font-weight: bold;
}

.card-title {
    font-size: 1.5rem;
    color: var(--light-text);
    margin-bottom: 0.75rem;
    line-height: 1.3;
    transition: color 0.2s ease;
}

.article-card-link:hover .card-title {
    color: var(--primary-blue);
}

.card-excerpt {
    color: var(--text-muted);
    font-size: 1rem;
    flex-grow: 1;
    margin-bottom: 1.5rem;
}

.card-footer {
    display: flex;
    align-items: center;
    padding-top: 1.5rem;
    border-top: 1px solid var(--border-color);
}
.card-image-container { width: 100%; height: 200px; overflow: hidden; background-color: var(--dark-bg); }
.card-image-container img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s ease; }
.article-card:hover .card-image-container img { transform: scale(1.05); }

.author-image { width: 40px; height: 40px; border-radius: 50%; margin-right: 1rem; }
.author-info .author-name { font-weight: bold; }
.author-info .publish-date { font-size: 0.8rem; color: var(--text-muted); }

/* ================================================
   4. MAKALE DETAY SAYFASI
   ================================================ */
.article-detail-container { max-width: 850px; background-color: var(--card-bg); padding: 2rem 3rem; border-radius: 10px; border: 1px solid var(--border-color); }
.article-header h1 { font-size: 2.8rem; color: var(--primary-blue); margin-bottom: 1rem; line-height: 1.3; }
.author-meta { display: flex; align-items: center; margin-bottom: 2rem; padding-bottom: 2rem; border-bottom: 1px solid var(--border-color); }
.author-meta img { width: 50px; height: 50px; border-radius: 50%; margin-right: 1rem; }
.author-meta .author-name { font-weight: bold; }
.author-meta .publish-date { font-size: 0.9rem; color: var(--text-muted); }
.article-content { font-size: 1.1rem; line-height: 1.8; }
.article-content p { margin-bottom: 1.5rem; }
.article-content h2, .article-content h3 { color: var(--primary-blue); margin-top: 2.5rem; margin-bottom: 1rem; padding-bottom: 0.5rem; border-bottom: 1px solid var(--border-color); }
.article-content a { color: var(--primary-blue); text-decoration: none; }
.article-content a:hover { text-decoration: underline; }
.article-content pre { background-color: #0d1117; padding: 1rem; border-radius: 5px; overflow-x: auto; margin-bottom: 1.5rem; }
#author-actions-container { text-align: right; margin: 2rem 0; min-height: 40px; }
.btn-action { background-color: var(--primary-blue); color: white; padding: 0.7rem 1.4rem; border-radius: 5px; text-decoration: none; font-weight: bold; border: none; cursor: pointer; margin-left: 0.5rem; }
.btn-delete { background-color: var(--error-red); }

/* ================================================
   5. FORM SAYFALARI (LOGIN, CONTACT, EDIT-ARTICLE)
   ================================================ */
.form-container { max-width: 850px; margin: auto; background-color: var(--card-bg); padding: 2.5rem 3rem; border-radius: 10px; border: 1px solid var(--border-color); }
.form-container h1 { font-size: 2.5rem; color: var(--primary-blue); margin-bottom: 2rem; text-align: center; }
.input-group { margin-bottom: 1.5rem; }
.input-group label { display: block; margin-bottom: 0.5rem; color: var(--text-muted); }
.input-group input, .input-group textarea { width: 100%; padding: 0.8rem 1rem; background-color: var(--dark-bg); border: 1px solid var(--border-color); border-radius: 5px; color: var(--light-text); font-size: 1rem; }
.btn-submit { width: 100%; padding: 0.9rem; background-color: var(--primary-blue); color: #fff; border: none; border-radius: 5px; cursor: pointer; font-size: 1.1rem; transition: background-color 0.2s; }
.btn-submit:hover { background-color: #008cdd; }

/* ================================================
   6. MODAL STİLLERİ (SİLME ONAYI)
   ================================================ */
.modal-overlay { position: fixed; top: 0; left: 0; width: 100%; height: 100%; background-color: rgba(0,0,0,0.8); display: flex; justify-content: center; align-items: center; z-index: 10000; opacity: 0; visibility: hidden; transition: opacity 0.3s; }
.modal-overlay.show { opacity: 1; visibility: visible; }
.modal-content { background-color: var(--card-bg); padding: 2.5rem; border-radius: 10px; text-align: center; border: 1px solid var(--border-color); max-width: 450px; transform: scale(0.9); transition: transform 0.3s; }
.modal-overlay.show .modal-content { transform: scale(1); }
.modal-content h2 { color: var(--error-red); margin-top: 0; margin-bottom: 1rem; }
.modal-content p { color: var(--text-muted); }
.modal-actions { margin-top: 2rem; }
.btn-secondary { background-color: var(--border-color); color: var(--light-text); padding: 0.7rem 1.4rem; border: none; border-radius: 5px; cursor: pointer; }
.btn-danger { background-color: var(--error-red); color: white; padding: 0.7rem 1.4rem; border: none; border-radius: 5px; cursor: pointer; margin-left: 1rem; }


/* ================================================
   7. MOBİL UYUMLULUK (YENİLENDİ)
   ================================================ */

/* Mobil Menü Butonu (Hamburger İkonu) */
.mobile-nav-toggle {
    display: none; /* Varsayılan olarak masaüstünde gizli */
    position: fixed; /* Sayfa kaysa bile sabit kalır */
    top: 1rem;
    left: 1.5rem; /* Soldan açılacağı için sola yaslı */
    z-index: 9999;
    background: transparent;
    border: 0;
    width: 2.5rem;
    height: 2.5rem;
    padding: 0.5rem;
    cursor: pointer;
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(230, 230, 230, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='3' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
    background-repeat: no-repeat;
    background-position: center;
    transition: background-image 0.2s ease-in-out;
}

/* Menü açıkken gösterilecek kapatma (X) ikonu */
.mobile-nav-toggle[aria-expanded="true"] {
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(230, 230, 230, 1)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='3' d='M6 6l18 18M6 24L24 6'/%3e%3c/svg%3e");
}

/* Erişilebilirlik için: Ekranda görünmeyen ancak ekran okuyucuların okuyacağı metin */
.sr-only {
  position: absolute;
  width: 1px;
  height: 1px;
  padding: 0;
  margin: -1px;
  overflow: hidden;
  clip: rect(0, 0, 0, 0);
  white-space: nowrap;
  border-width: 0;
}


/* Mobil ekran boyutu için Media Query */
@media (max-width: 768px) {
    /* Navbar'daki orijinal linkleri gizle, logo kalsın */
    .navbar .nav-links {
        display: none;
    }

    /* Hamburger menü ikonunu göster */
    .mobile-nav-toggle {
        display: block;
    }

    /* JavaScript ile kontrol edilecek olan, sonradan oluşturulan mobil menü paneli */
    /* Bu seçici, JS'de hedeflediğimiz elemanla aynı olmalı. */
   /* style.css dosyanızdan bir kesit */

    .nav-links-mobile {
        position: fixed;
        inset: 0 30% 0 0;
        list-style: none;
        margin: 0;
        padding: min(20vh, 8rem) 2rem;
        display: flex;
        flex-direction: column;
        align-items: flex-start;
        gap: 2rem;
        background: hsl(220 20% 10% / 0.9);
        backdrop-filter: blur(1rem);
        -webkit-backdrop-filter: blur(1rem);
        z-index: 1100;
        transform: translateX(-100%);
        transition: transform 350ms ease-out;
        overflow-y: auto; /* EKLENEN SATIR: İçerik sığmazsa dikey kaydırma çubuğu ekle */
    }
    
    /* Javascript ile `data-visible="true"` eklendiğinde menüyü görünür yap */
    .nav-links-mobile[data-visible="true"] {
        transform: translateX(0%);
    }

    /* Mobil menüdeki linkler */
    .nav-links-mobile a {
        font-size: 1.1rem;
        color: var(--light-text);
        text-decoration: none;
    }
    
    /* Mobil menüde açılır menüler (varsa) */
    .nav-links-mobile .dropdown-menu {
        position: static;
        display: none; /* Başlangıçta kapalı */
        background: none;
        border: none;
        box-shadow: none;
        width: 100%;
        padding-left: 1rem; /* İçeriden boşluk */
    }

    .nav-links-mobile .dropdown:hover .dropdown-menu {
        display: block;
    }
}


/* ================================================
   Diğer Stiller (Değişiklik yok)
   ================================================ */

.article-card-link {
    text-decoration: none;
    color: inherit;
    display: block;
}

.article-card-link:hover .card-title {
    color: var(--primary-blue);
}
.team-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
    gap: 2rem;
}
.team-member-card {
    background-color: var(--card-bg);
    border: 1px solid var(--border-color);
    border-radius: 12px;
    padding: 2rem;
    text-align: center;
    display: flex;
    flex-direction: column;
    align-items: center;
    transition: transform 0.3s ease, box-shadow 0.3s ease;
}
.team-member-card:hover {
    transform: translateY(-8px);
    box-shadow: 0 10px 25px rgba(0, 174, 255, 0.1);
}
.team-member-photo {
    width: 140px;
    height: 140px;
    border-radius: 50%;
    object-fit: cover;
    border: 4px solid var(--primary-blue);
    margin-bottom: 1.5rem;
    box-shadow: 0 5px 15px rgba(0, 0, 0, 0.3);
}
.team-member-name {
    font-size: 1.5rem;
    color: var(--light-text);
    margin-bottom: 0.25rem;
}
.team-member-role {
    color: var(--primary-blue);
    font-style: italic;
    font-weight: bold;
    margin-bottom: 1rem;
}
.team-member-bio {
    color: var(--text-muted);
    font-size: 0.95rem;
    flex-grow: 1;
    margin-bottom: 1.5rem;
}
.team-member-socials {
    display: flex;
    gap: 1rem;
}
.team-member-socials a {
    color: var(--text-muted);
    transition: color 0.3s ease, transform 0.3s ease;
}
.team-member-socials a:hover {
    color: var(--primary-blue);
    transform: scale(1.1);
}
.login-main-container {
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    min-height: 100vh;
    padding: 100px 1rem 2rem 1rem;
}
.login-card {
    background-color: var(--card-bg);
    padding: 2.5rem;
    border-radius: 12px;
    border: 1px solid var(--border-color);
    width: 100%;
    max-width: 420px;
    box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
    text-align: center;
}
.login-card h1 {
    color: var(--primary-blue);
    font-size: 2.2rem;
    margin-bottom: 1rem;
}
.login-card .slogan {
    color: var(--text-muted);
    margin-bottom: 2.5rem;
}
.notification {
    width: 100%;
    padding: 0.8rem;
    margin-bottom: 1.5rem;
    border-radius: 5px;
    font-weight: bold;
    display: none;
}
.notification.success {
    background-color: var(--success-green);
    color: white;
    display: block;
}
.notification.error {
    background-color: var(--error-red);
    color: white;
    display: block;
}
/* --- MOBİL MENÜ TIKLAMA SORUNU İÇİN EK DÜZELTME --- */

@media (max-width: 768px) {
  
  /* Navbar'ın kapladığı tüm alanı 'tıklanamaz' yap.
    Böylece altındaki hamburger menüye tıklanabilir.
  */
  .navbar {
    pointer-events: none;
  }
  
  /* Ancak, navbar'ın içindeki logo gibi tıklanması gereken alanları 
    ve mobil menü düğmesini tekrar 'tıklanabilir' hale getir.
  */
  .navbar .navbar-container,
  .mobile-nav-toggle {
    pointer-events: auto;
  }

}