:root {
    /* Açık tema (varsayılan) */
    --primary-color: #2563eb;
    --secondary-color: #1e40af;
    --background-color: #f8fafc;
    --content-background: #ffffff;
    --text-color: #1e293b;
    --border-color: #e2e8f0;
    --sidebar-background: #ffffff;
    --hover-background: #f1f5f9;
    --shadow-color: rgba(0,0,0,0.1);
    --sidebar-width: 280px;
    --header-height: 60px;
}

/* Karanlık tema */
[data-theme="dark"] {
    --primary-color: #3b82f6;
    --secondary-color: #60a5fa;
    --background-color: #1e293b;
    --content-background: #0f172a;
    --text-color: #e2e8f0;
    --border-color: #334155;
    --sidebar-background: #0f172a;
    --hover-background: #334155;
    --shadow-color: rgba(0,0,0,0.3);
}

/* Genel stiller */
body {
    margin: 0;
    padding: 0;
    font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    display: flex;
    background: var(--background-color);
    color: var(--text-color);
}

/* Sidebar stilleri */
.sidebar {
    width: var(--sidebar-width);
    height: 100vh;
    background: var(--sidebar-background);
    border-right: 1px solid var(--border-color);
    position: fixed;
    overflow-y: auto;
    transition: transform 0.3s ease;
    box-shadow: 2px 0 8px var(--shadow-color);
}

.logo {
    padding: 1.5rem;
    text-align: center;
}

.menu {
    padding: 1rem;
}

.menu ul {
    list-style: none;
    padding: 0;
    margin: 0;
}

.menu-item {
    margin: 0.5rem 0;
    border-radius: 8px;
    transition: all 0.2s ease;
}

.menu-item span {
    display: block;
    padding: 0.75rem 1rem;
    cursor: pointer;
    font-weight: 500;
}

.menu-item:hover {
    background: var(--hover-background);
}

.submenu {
    padding: 0.5rem 0 0.5rem 2.5rem;
    display: none;
}

.submenu.active {
    display: block;
}

.submenu li {
    padding: 0.5rem 1rem;
    cursor: pointer;
    border-radius: 4px;
    transition: all 0.2s ease;
}

.submenu li:hover {
    background: var(--hover-background);
    color: var(--primary-color);
}

/* Ana içerik alanı */
.content {
    margin-left: var(--sidebar-width);
    flex: 1;
    padding: 2rem;
    max-width: 1200px;
}

/* Header ve arama */
.content-header {
    position: sticky;
    top: 0;
    background: var(--background-color);
    padding: 1rem 0;
    margin-bottom: 2rem;
    z-index: 10;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.search-bar {
    position: relative;
    width: 100%;
    max-width: 400px;
    color: var(--background-color);
}

.search-bar input {
    width: 100%;
    padding: 0.75rem 1rem 0.75rem 2.5rem;
    border: 2px solid var(--border-color);
    border-radius: 8px;
    font-size: 1rem;
    transition: all 0.2s ease;
}

.search-bar input:focus {
    border-color: var(--primary-color);
    outline: none;
    box-shadow: 0 0 0 3px rgba(37, 99, 235, 0.1);
}

.search-bar::before {
    content: "🔍";
    position: absolute;
    left: 0.75rem;
    top: 50%;
    transform: translateY(-50%);
}

/* Responsive tasarım */
@media (max-width: 768px) {
    .sidebar {
        transform: translateX(-100%);
        z-index: 20;
    }

    .sidebar.active {
        transform: translateX(0);
    }

    .content {
        margin-left: 0;
        padding: 1rem;
    }

    .menu-toggle {
        display: block;
        position: fixed;
        top: 1rem;
        left: 1rem;
        z-index: 30;
        background: var(--primary-color);
        color: white;
        padding: 0.5rem;
        border-radius: 4px;
        cursor: pointer;
    }
}

.menu-toggle {
    display: block;
    position: fixed;
    top: 1rem;
    left: 1rem;
    z-index: 30;
    background: var(--primary-color);
    color: white;
    padding: 0.5rem;
    border-radius: 4px;
    cursor: pointer;
}

/* İçerik bölümü stilleri */
.doc-section {
    background: var(--content-background);
    border-radius: 12px;
    padding: 2rem;
    margin-bottom: 2rem;
    box-shadow: 0 1px 3px var(--shadow-color);
    border: 1px solid var(--border-color);
    transition: transform 0.2s ease;
}

.doc-section:hover {
    transform: translateY(-2px);
    box-shadow: 0 4px 6px var(--shadow-color);
}

.doc-section h2 {
    color: var(--primary-color);
    margin-top: 0;
}

.doc-section h3 {
    color: var(--secondary-color);
    margin: 1.5rem 0 1rem;
}

.video-container {
    position: relative;
    padding-bottom: 56.25%; /* 16:9 oranı */
    height: 0;
    overflow: hidden;
    border-radius: 8px;
    margin: 1.5rem 0;
}

.video-container iframe {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    border: none;
}

.image-gallery {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1rem;
    margin: 1rem 0;
}

/* Tema değiştirme butonu stilleri */
.theme-toggle {
    position: fixed;
    bottom: 2rem;
    right: 2rem;
    background: var(--content-background);
    border: 2px solid var(--border-color);
    color: var(--text-color);
    padding: 0.75rem;
    border-radius: 50%;
    cursor: pointer;
    box-shadow: 0 2px 8px var(--shadow-color);
    transition: all 0.3s ease;
    z-index: 100;
}

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

/* Tema ikonu animasyonu */
.theme-toggle .icon {
    font-size: 1.25rem;
    transition: transform 0.5s ease;
}

.theme-toggle:hover .icon {
    transform: rotate(360deg);
}

/* İçerik stilleri için eklemeler */
.step-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.step {
    background: var(--hover-background);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    position: relative;
}

.step-number {
    background: var(--primary-color);
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
}

.option-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1rem;
    margin: 1.5rem 0;
}

.option {
    background: var(--hover-background);
    padding: 1.5rem;
    border-radius: 8px;
}

.option h4 {
    color: var(--primary-color);
    margin-top: 0;
}

/* Klavye tuşu stili */
kbd {
    display: inline-block;
    padding: 3px 6px;
    font-family: var(--font-mono);
    font-size: 0.875em;
    font-weight: 500;
    line-height: 1;
    color: var(--text-color);
    background: var(--hover-background);
    border: 1px solid var(--border-color);
    border-radius: 4px;
    box-shadow: 
        0 1px 1px rgba(0,0,0,.12),
        0 2px 0 0 var(--border-color);
}

/* Uyarı kutuları */
.warning-box, .error-box, .info-box, .tip-box {
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 8px;
    position: relative;
    padding-left: 3.5rem;
}

.warning-box::before, .error-box::before, .info-box::before, .tip-box::before {
    content: '';
    position: absolute;
    left: 1rem;
    top: 1rem;
    width: 1.5rem;
    height: 1.5rem;
    background-size: contain;
    background-repeat: no-repeat;
}

.warning-box {
    background: rgba(251, 191, 36, 0.1);
    border-left: 4px solid #fbbf24;
}

.warning-box::before {
    content: '⚠️';
}

.error-box {
    background: rgba(239, 68, 68, 0.1);
    border-left: 4px solid #ef4444;
}

.error-box::before {
    content: '❌';
}

.info-box {
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid #3b82f6;
}

.info-box::before {
    content: 'ℹ️';
}

.tip-box {
    background: rgba(34, 197, 94, 0.1);
    border-left: 4px solid #22c55e;
}

.tip-box::before {
    content: '💡';
}

.warnings {
    background: rgba(220, 38, 38, 0.1);
    padding: 1.5rem;
    border-radius: 8px;
    margin-top: 2rem;
}

.warnings h3 {
    color: #dc2626;
}

img {
    max-width: 100%;
    border-radius: 8px;
    margin: 1rem 0;
    border: 1px solid var(--border-color);
}

.issue {
    background: var(--hover-background);
    padding: 1.5rem;
    border-radius: 8px;
    margin-bottom: 1rem;
}

.issue h4 {
    color: var(--primary-color);
    margin-top: 0;
}

/* Özellik kartları */
.feature-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
    gap: 1.5rem;
    margin: 2rem 0;
}

.feature {
    background: var(--content-background, #ffffff);
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid var(--border-color, #e2e8f0);
    transition: transform 0.2s ease;
}

.feature:hover {
    transform: translateY(-2px);
}

.feature h4 {
    color: var(--primary-color, #2563eb);
    margin-top: 0;
}

/* Kod bloğu */
.code-block {
    background: var(--hover-background, #f1f5f9);
    padding: 1rem;
    border-radius: 8px;
    font-family: var(--font-mono);
    overflow-x: auto;
    border: 1px solid var(--border-color, #e2e8f0);
    white-space: pre;
    line-height: 1.5;
}

/* Not kutusu */
.note-box {
    background: rgba(59, 130, 246, 0.1);
    border-left: 4px solid #3b82f6;
    padding: 1rem 1.5rem;
    margin: 1.5rem 0;
    border-radius: 0 8px 8px 0;
}

/* Karşılaştırma tablosu */
.comparison-table {
    overflow-x: auto;
    margin: 2rem 0;
}

.comparison-table table {
    width: 100%;
    border-collapse: collapse;
}

.comparison-table th,
.comparison-table td {
    padding: 1rem;
    border: 1px solid var(--border-color, #e2e8f0);
    text-align: left;
}

.comparison-table th {
    background: var(--hover-background, #f1f5f9);
    font-weight: 600;
}

.comparison-table tr:nth-child(even) {
    background: var(--hover-background, #f1f5f9);
}

/* Hızlı başlangıç kartları */
.quick-steps {
    margin: 2rem 0;
}

.step {
    background: var(--hover-background, #f1f5f9);
    padding: 1.5rem;
    border-radius: 8px;
    text-align: center;
    position: relative;
    border: 1px solid var(--border-color, #e2e8f0);
}

.step-number {
    background: var(--primary-color, #2563eb);
    color: white;
    width: 2rem;
    height: 2rem;
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 1rem;
    font-weight: bold;
}

/* Karanlık tema için özel renkler */
[data-theme="dark"] {
    .feature {
        background: var(--hover-background);
    }

    .code-block {
        background: rgba(0, 0, 0, 0.2);
    }

    .comparison-table th,
    .comparison-table tr:nth-child(even) {
        background: rgba(0, 0, 0, 0.2);
    }

    .step {
        background: rgba(0, 0, 0, 0.2);
    }
}

/* Mobil için düzenlemeler */
@media (max-width: 768px) {
    .feature-grid,
    .step-grid {
        grid-template-columns: 1fr;
    }

    .comparison-table {
        font-size: 0.875rem;
    }
}

/* Zaman çizelgesi */
.timeline {
    position: relative;
    padding: 2rem 0;
}

.timeline::before {
    content: '';
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    width: 2px;
    height: 100%;
    background: var(--border-color);
}

.timeline-item {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
}

.timeline-content {
    width: 45%;
    padding: 1.5rem;
    background: var(--content-background);
    border-radius: 8px;
    border: 1px solid var(--border-color);
    position: relative;
}

.timeline-content::before {
    content: '';
    position: absolute;
    top: 50%;
    width: 20px;
    height: 20px;
    background: var(--primary-color);
    border-radius: 50%;
}

.timeline-item:nth-child(odd) .timeline-content::before {
    right: -60px;
}

.timeline-item:nth-child(even) .timeline-content::before {
    left: -60px;
}

/* Vurgu kutusu */
.highlight-box {
    background: linear-gradient(135deg, rgba(37, 99, 235, 0.1), rgba(59, 130, 246, 0.1));
    padding: 1.5rem;
    border-radius: 8px;
    border: 1px solid rgba(37, 99, 235, 0.2);
    margin: 1.5rem 0;
}

/* Kısayol tuşları grubu */
.shortcut-group {
    display: flex;
    gap: 0.5rem;
    align-items: center;
    margin: 0.5rem 0;
}

/* İlerleme göstergesi */
.progress-steps {
    display: flex;
    justify-content: space-between;
    margin: 2rem 0;
    position: relative;
}

.progress-steps::before {
    content: '';
    position: absolute;
    top: 50%;
    left: 0;
    right: 0;
    height: 2px;
    background: var(--border-color);
    z-index: 1;
}

.progress-step {
    position: relative;
    z-index: 2;
    background: var(--content-background);
    padding: 1rem;
    border-radius: 50%;
    border: 2px solid var(--primary-color);
    color: var(--primary-color);
    width: 2rem;
    height: 2rem;
    display: flex;
    align-items: center;
    justify-content: center;
}

.progress-step.active {
    background: var(--primary-color);
    color: white;
}

/* Karanlık tema uyumluluğu */
[data-theme="dark"] {
    .timeline-content {
        background: var(--hover-background);
    }
    
    .highlight-box {
        background: linear-gradient(135deg, rgba(37, 99, 235, 0.2), rgba(59, 130, 246, 0.2));
    }
    
    .progress-step {
        background: var(--hover-background);
    }
}

/* İçerik düzeni için grid sistem */
.content-grid {
    display: grid;
    gap: 1.5rem;
    margin: 1.5rem 0;
}

.grid-2-col { grid-template-columns: repeat(2, 1fr); }
.grid-3-col { grid-template-columns: repeat(3, 1fr); }
.grid-4-col { grid-template-columns: repeat(4, 1fr); }

/* Esnek kutu düzeni */
.flex-container {
    display: flex;
    gap: 1.5rem;
    margin: 1.5rem 0;
    flex-wrap: wrap;
}

.flex-item {
    flex: 1;
    min-width: 250px;
}

/* İçerik hizalama sınıfları */
.align-center { text-align: center; }
.align-right { text-align: right; }
.align-left { text-align: left; }

/* Boşluk sınıfları */
.mt-1 { margin-top: 1rem; }
.mb-1 { margin-bottom: 1rem; }
.my-1 { margin: 1rem 0; }
.p-1 { padding: 1rem; }

/* Mobil için düzenlemeler */
@media (max-width: 768px) {
    .content-grid {
        grid-template-columns: 1fr !important;
    }
    
    .flex-container {
        flex-direction: column;
    }
}

/* İçerik düzenleyici için taşıma göstergeleri */
.content-draggable {
    position: relative;
    padding: 1rem;
    border: 1px dashed transparent;
    transition: all 0.2s ease;
}

.content-draggable:hover {
    border-color: var(--primary-color);
}

.content-draggable::before {
    content: '⋮';
    position: absolute;
    left: -1.5rem;
    top: 50%;
    transform: translateY(-50%);
    opacity: 0;
    transition: opacity 0.2s ease;
    cursor: move;
    font-size: 1.5rem;
    color: var(--primary-color);
}

.content-draggable:hover::before {
    opacity: 1;
}