/**
 * Karanlık Mod (Dark Mode) Stilleri
 * Dr. Elvina Almuradova Web Sitesi
 */

/* Karanlık Mod Değişkenleri */
[data-theme="dark"] {
    /* Ana Renkler - Daha açık tonlar */
    --primary-color: #60a5fa;
    /* Mavimsi */
    --primary-light: #93c5fd;
    --primary-dark: #2563eb;

    /* Arka Planlar */
    --white: #0f172a;
    /* Çok koyu lacivert */
    --gray-50: #1e293b;
    --gray-100: #334155;
    --gray-200: #475569;
    --gray-300: #64748b;
    --gray-400: #94a3b8;
    --gray-500: #cbd5e1;
    --gray-600: #e2e8f0;
    --gray-700: #f1f5f9;
    --gray-800: #f8fafc;
    --gray-900: #ffffff;

    /* Metin Renkleri */
    --text-primary: #f8fafc;
    --text-secondary: #cbd5e1;
    --text-muted: #94a3b8;

    /* Gölge ve Border */
    --shadow-soft: 0 4px 6px -1px rgba(0, 0, 0, 0.5), 0 2px 4px -1px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 10px 15px -3px rgba(0, 0, 0, 0.5), 0 4px 6px -2px rgba(0, 0, 0, 0.3);
    --border-color: #334155;
}

/* Karanlık Mod Override'ları */
[data-theme="dark"] body {
    background-color: var(--white);
    color: var(--gray-800);
}

[data-theme="dark"] .header {
    background-color: rgba(15, 23, 42, 0.95);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .nav-link {
    color: var(--gray-300);
}

[data-theme="dark"] .nav-link:hover,
[data-theme="dark"] .nav-link.active {
    color: var(--primary-color);
}

[data-theme="dark"] .top-bar {
    background-color: var(--gray-50);
    border-bottom: 1px solid var(--border-color);
}

[data-theme="dark"] .section-bg {
    background-color: var(--gray-50);
}

[data-theme="dark"] .card,
[data-theme="dark"] .video-card,
[data-theme="dark"] .article-card,
[data-theme="dark"] .feature-card {
    background-color: var(--gray-50);
    border-color: var(--border-color);
}

[data-theme="dark"] .card:hover,
[data-theme="dark"] .video-card:hover,
[data-theme="dark"] .article-card:hover {
    background-color: #1e293b;
    /* Hover'da biraz daha açık */
    box-shadow: var(--shadow-hover);
}

[data-theme="dark"] .footer {
    background-color: #020617;
    /* Siyahımsı */
    border-top: 1px solid var(--border-color);
}

[data-theme="dark"] .dropdown-menu {
    background-color: var(--gray-50);
    border-color: var(--border-color);
    box-shadow: var(--shadow-soft);
}

[data-theme="dark"] .dropdown-item {
    color: var(--gray-300);
}

[data-theme="dark"] .dropdown-item:hover {
    background-color: var(--gray-100);
    color: var(--primary-color);
}

[data-theme="dark"] .form-control {
    background-color: var(--gray-50);
    border-color: var(--border-color);
    color: var(--gray-900);
}

[data-theme="dark"] .form-control:focus {
    background-color: var(--gray-100);
    border-color: var(--primary-color);
}

/* Dark Mode Toggle Butonu */
.theme-toggle {
    position: absolute;
    top: 50%;
    right: 140px;
    /* Dil seçiciden yeterince uzak */
    transform: translateY(-50%);
    z-index: 1000;

    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: white;
    /* Her zaman beyaz arka plan */
    border: 1px solid #e2e8f0;
    color: #1e293b;
    /* Koyu renk ikon */
    display: flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
}

[data-theme="dark"] .theme-toggle {
    background: #1e293b;
    /* Koyu modda koyu arka plan */
    color: #fbbf24;
    /* Sarı ikon */
    border-color: #475569;
}

.theme-toggle:hover {
    transform: translateY(-50%) scale(1.1);
    box-shadow: 0 4px 10px rgba(0, 0, 0, 0.15);
}

/* Tablet / Küçük Masaüstü (769px - 1024px) - Sağ alta sabitle */
@media (max-width: 1024px) and (min-width: 769px) {
    .theme-toggle {
        position: fixed;
        bottom: 5rem;
        right: 80px;
        /* Dil seçicinin yanında */
        top: auto;
        transform: none;
        width: 40px;
        height: 40px;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }
}

/* Mobil için */
@media (max-width: 768px) {
    .theme-toggle {
        position: fixed;
        bottom: 5rem;
        right: 80px;
        /* Dil seçicinin yanında */
        top: auto;
        transform: none;
        background: white;
        color: var(--primary-color);
        border: none;
        box-shadow: 0 4px 15px rgba(0, 0, 0, 0.2);
    }

    [data-theme="dark"] .theme-toggle {
        background: var(--gray-100);
        color: var(--primary-color);
    }

    .theme-toggle:hover {
        transform: scale(1.1);
    }
}