/* Tema Özelleştirme Sistemi */
:root {
    /* Ana Renkler */
    --main-theme: #901d35;
    --main-theme-rgb: 144, 29, 53;
    --secondary: #1c1c1f;
    --secondary-rgb: 28, 28, 31;
    
    /* Arka Plan Renkleri */
    --background: #101013;
    --background-rgb: 16, 16, 19;
    --secondary-bg: #1a1a1d;
    --secondary-bg-rgb: 26, 26, 29;
    --opacity-bg: rgba(26, 26, 29, 0.8);
    --opacity-bg-alt: rgba(16, 16, 19, 0.9);
    --secondary-op: rgba(28, 28, 31, 0.1);
    
    /* Alan Renkleri */
    --area: #2a2a2d;
    --area-alt: #252529;
    
    /* Metin Renkleri */
    --text-color: #ffffff;
    --text-color-rgb: 255, 255, 255;
    --text-alt-color: #cccccc;
    --text-muted: #888888;
    --text-color-secondary: #b0b0b0;
    
    /* Kenarlık Renkleri */
    --border: #3A3A3AFF;
    --border-rgb: 58, 58, 58;
    --border-alpha: #3a3a3a80;
    
    /* Tema Renkleri */
    --theme: #901d35;
    --theme-alt: #720921;
    --primary: #0084FF;
    
    /* Opacity Arka Planları */
    --opacity-bg-sb: rgba(16, 16, 19, 0.5);
    
    /* Durum Renkleri */
    --success-color: #2ecc71;
    --error-color: #e74c3c;
    --warning-color: #f39c12;
    --info-color: #3498db;
    
    /* Gölge Efektleri */
    --shadow-light: 0 2px 8px rgba(0, 0, 0, 0.1);
    --shadow-medium: 0 4px 16px rgba(0, 0, 0, 0.15);
    --shadow-heavy: 0 8px 32px rgba(0, 0, 0, 0.2);
    
    /* Geçiş Efektleri */
    --transition-fast: 0.2s ease;
    --transition-normal: 0.3s ease;
    --transition-slow: 0.5s ease;
    
    /* Border Radius */
    --border-radius-small: 8px;
    --border-radius-medium: 12px;
    --border-radius-large: 20px;
    --border-radius-xl: 30px;
}

/* Açık Tema */
.light-theme {
    --background: #f7f7f7;
    --background-rgb: 247, 247, 247;
    --secondary-bg: #ffffff;
    --secondary-bg-rgb: 255, 255, 255;
    --opacity-bg: rgba(255, 255, 255, 0.9);
    --opacity-bg-alt: rgba(247, 247, 247, 0.95);
    --secondary-op: rgba(28, 28, 31, 0.05);
    
    --text-color: #000000;
    --text-color-rgb: 0, 0, 0;
    --text-alt-color: #333333;
    --text-muted: #666666;
    --text-color-secondary: #555555;
    
    --border: #c2c2c2FF;
    --border-rgb: 194, 194, 194;
}

/* Kış Açık Tema */
.winter-light-theme {
    --background: #f8f9fa;
    --background-rgb: 248, 249, 250;
    --secondary-bg: #ffffff;
    --secondary-bg-rgb: 255, 255, 255;
    --opacity-bg: rgba(255, 255, 255, 0.95);
    --opacity-bg-alt: rgba(248, 249, 250, 0.98);
    --secondary-op: rgba(28, 28, 31, 0.03);
    
    --text-color: #2c3e50;
    --text-color-rgb: 44, 62, 80;
    --text-alt-color: #34495e;
    --text-muted: #7f8c8d;
    --text-color-secondary: #95a5a6;
    
    --border: #e9ecef;
    --border-rgb: 233, 236, 239;
    
    --main-theme: #3498db;
    --main-theme-rgb: 52, 152, 219;
}

/* Instagram Açık Tema */
.instagram-light-theme {
    --background: #fafafa;
    --background-rgb: 250, 250, 250;
    --secondary-bg: #ffffff;
    --secondary-bg-rgb: 255, 255, 255;
    --opacity-bg: rgba(255, 255, 255, 0.9);
    --opacity-bg-alt: rgba(250, 250, 250, 0.95);
    --secondary-op: rgba(28, 28, 31, 0.04);
    
    --text-color: #262626;
    --text-color-rgb: 38, 38, 38;
    --text-alt-color: #8e8e93;
    --text-muted: #a8a8a8;
    --text-color-secondary: #c7c7cc;
    
    --border: #dbdbdb;
    --border-rgb: 219, 219, 219;
    
    --main-theme: #e4405f;
    --main-theme-rgb: 228, 64, 95;
}

/* Sepia Açık Tema */
.light-sepia {
    --background: #f4f1eb;
    --background-rgb: 244, 241, 235;
    --secondary-bg: #faf8f3;
    --secondary-bg-rgb: 250, 248, 243;
    --opacity-bg: rgba(250, 248, 243, 0.9);
    --opacity-bg-alt: rgba(244, 241, 235, 0.95);
    --secondary-op: rgba(28, 28, 31, 0.03);
    
    --text-color: #5d4037;
    --text-color-rgb: 93, 64, 55;
    --text-alt-color: #8d6e63;
    --text-muted: #a1887f;
    --text-color-secondary: #bcaaa4;
    
    --border: #d7ccc8;
    --border-rgb: 215, 204, 200;
    
    --main-theme: #8d6e63;
    --main-theme-rgb: 141, 110, 99;
}

/* Halloween Açık Tema */
.halloween-light-theme {
    --background: #fff8e1;
    --background-rgb: 255, 248, 225;
    --secondary-bg: #fffde7;
    --secondary-bg-rgb: 255, 253, 231;
    --opacity-bg: rgba(255, 253, 231, 0.9);
    --opacity-bg-alt: rgba(255, 248, 225, 0.95);
    --secondary-op: rgba(28, 28, 31, 0.03);
    
    --text-color: #3e2723;
    --text-color-rgb: 62, 39, 35;
    --text-alt-color: #5d4037;
    --text-muted: #8d6e63;
    --text-color-secondary: #a1887f;
    
    --border: #ffcc02;
    --border-rgb: 255, 204, 2;
    
    --main-theme: #ff6f00;
    --main-theme-rgb: 255, 111, 0;
}

/* Kış Koyu Tema */
.winter-dark-theme {
    --background: #1a1a2e;
    --background-rgb: 26, 26, 46;
    --secondary-bg: #16213e;
    --secondary-bg-rgb: 22, 33, 62;
    --opacity-bg: rgba(22, 33, 62, 0.9);
    --opacity-bg-alt: rgba(26, 26, 46, 0.95);
    --secondary-op: rgba(28, 28, 31, 0.2);
    
    --text-color: #e8f4fd;
    --text-color-rgb: 232, 244, 253;
    --text-alt-color: #b3d9f2;
    --text-muted: #8ac4e6;
    --text-color-secondary: #66a3cc;
    
    --border: #0f3460;
    --border-rgb: 15, 52, 96;
    
    --main-theme: #4facfe;
    --main-theme-rgb: 79, 172, 254;
}

/* Eski Açık Tema */
.light-theme-old {
    --background: #ffffff;
    --background-rgb: 255, 255, 255;
    --secondary-bg: #f8f9fa;
    --secondary-bg-rgb: 248, 249, 250;
    --opacity-bg: rgba(255, 255, 255, 0.9);
    --opacity-bg-alt: rgba(248, 249, 250, 0.95);
    --secondary-op: rgba(28, 28, 31, 0.05);
    
    --text-color: #212529;
    --text-color-rgb: 33, 37, 41;
    --text-alt-color: #495057;
    --text-muted: #6c757d;
    --text-color-secondary: #868e96;
    
    --border: #dee2e6;
    --border-rgb: 222, 226, 230;
    
    --main-theme: #007bff;
    --main-theme-rgb: 0, 123, 255;
}

/* Tema Özelleştirme Paneli */
.theme-customizer {
    position: fixed;
    top: 50%;
    right: -400px;
    transform: translateY(-50%) translateZ(0);
    width: 380px;
    max-height: 90vh;
    will-change: transform;
    background: var(--opacity-bg);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: var(--border-radius-large);
    padding: 20px;
    z-index: 10000;
    transition: right var(--transition-normal);
    overflow-y: auto;
    box-shadow: var(--shadow-heavy);
}

.theme-customizer.open {
    right: 20px;
}

.theme-customizer-toggle {
    position: fixed;
    top: 50%;
    right: 20px;
    transform: translateY(-50%) translateZ(0);
    width: 50px;
    height: 50px;
    will-change: transform;
    background: var(--main-theme);
    border: none;
    border-radius: 50%;
    color: white;
    font-size: 20px;
    cursor: pointer;
    z-index: 9999;
    box-shadow: var(--shadow-medium);
    transition: all var(--transition-normal);
}

.theme-customizer-toggle:hover {
    transform: translateY(-50%) scale(1.1) translateZ(0);
    box-shadow: var(--shadow-heavy);
    will-change: transform;
}

.theme-customizer-header {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 20px;
    padding-bottom: 15px;
    border-bottom: 1px solid var(--border);
}

.theme-customizer-header h3 {
    margin: 0;
    color: var(--text-color);
    font-size: 18px;
    font-weight: 600;
}

.theme-customizer-close {
    background: none;
    border: none;
    color: var(--text-muted);
    font-size: 24px;
    cursor: pointer;
    padding: 0;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    border-radius: 50%;
    transition: all var(--transition-fast);
}

.theme-customizer-close:hover {
    background: var(--secondary-op);
    color: var(--text-color);
}

.theme-section {
    margin-bottom: 25px;
}

.theme-section h4 {
    margin: 0 0 15px 0;
    color: var(--text-color);
    font-size: 16px;
    font-weight: 500;
}

.color-picker-group {
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 15px;
    margin-bottom: 15px;
}

.color-picker-item {
    display: flex;
    flex-direction: column;
    gap: 8px;
}

.color-picker-item label {
    font-size: 12px;
    color: var(--text-muted);
    font-weight: 500;
}

.color-picker-item input[type="color"] {
    width: 100%;
    height: 40px;
    border: 2px solid var(--border);
    border-radius: var(--border-radius-small);
    cursor: pointer;
    background: none;
    transition: border-color var(--transition-fast);
}

.color-picker-item input[type="color"]:hover {
    border-color: var(--main-theme);
}

.color-picker-item input[type="color"]:focus {
    outline: none;
    border-color: var(--main-theme);
    box-shadow: 0 0 0 3px rgba(var(--main-theme-rgb), 0.1);
}

.preset-themes {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 10px;
    margin-bottom: 20px;
}

.preset-theme {
    padding: 15px 10px;
    border: 2px solid var(--border);
    border-radius: var(--border-radius-small);
    cursor: pointer;
    transition: all var(--transition-fast);
    text-align: center;
    font-size: 12px;
    font-weight: 500;
    color: var(--text-color);
    background: var(--secondary-bg);
}

.preset-theme:hover {
    border-color: var(--main-theme);
    transform: translateY(-2px) translateZ(0);
    box-shadow: var(--shadow-medium);
    will-change: transform;
}

.preset-theme.active {
    border-color: var(--main-theme);
    background: var(--main-theme);
    color: white;
}

.theme-actions {
    display: flex;
    gap: 10px;
    margin-top: 20px;
    padding-top: 20px;
    border-top: 1px solid var(--border);
}

.theme-btn {
    flex: 1;
    padding: 12px 20px;
    border: none;
    border-radius: var(--border-radius-small);
    font-size: 14px;
    font-weight: 500;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.theme-btn-primary {
    background: var(--main-theme);
    color: white;
}

.theme-btn-primary:hover {
    background: rgba(var(--main-theme-rgb), 0.9);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

.theme-btn-secondary {
    background: var(--secondary-op);
    color: var(--text-color);
    border: 1px solid var(--border);
}

.theme-btn-secondary:hover {
    background: var(--secondary-bg);
    border-color: var(--main-theme);
}

.theme-btn-danger {
    background: var(--error-color);
    color: white;
}

.theme-btn-danger:hover {
    background: rgba(231, 76, 60, 0.9);
    transform: translateY(-1px);
    box-shadow: var(--shadow-medium);
}

/* Responsive Tasarım */
@media (max-width: 768px) {
    .theme-customizer {
        width: calc(100vw - 40px);
        right: -100vw;
        max-height: 80vh;
    }
    
    .theme-customizer.open {
        right: 20px;
    }
    
    .theme-customizer-toggle {
        width: 45px;
        height: 45px;
        font-size: 18px;
    }
    
    .color-picker-group {
        grid-template-columns: 1fr;
    }
    
    .preset-themes {
        grid-template-columns: repeat(2, 1fr);
    }
}

/* Animasyonlar */
@keyframes slideIn {
    from {
        opacity: 0;
        transform: translateX(100%) translateZ(0);
    }
    to {
        opacity: 1;
        transform: translateX(0) translateZ(0);
    }
}

@keyframes slideOut {
    from {
        opacity: 1;
        transform: translateX(0) translateZ(0);
    }
    to {
        opacity: 0;
        transform: translateX(100%) translateZ(0);
    }
}

.theme-customizer.open {
    animation: slideIn var(--transition-normal);
}

.theme-customizer:not(.open) {
    animation: slideOut var(--transition-normal);
}

/* Özel Tema Sınıfları */
.custom-theme {
    /* Bu sınıf JavaScript ile dinamik olarak doldurulacak */
}

/* Tema Önizleme */
.theme-preview {
    width: 100%;
    height: 60px;
    border-radius: var(--border-radius-small);
    margin-bottom: 10px;
    border: 2px solid var(--border);
    position: relative;
    overflow: hidden;
}

.theme-preview::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(45deg, var(--main-theme), var(--secondary));
    opacity: 0.8;
}

.theme-preview::after {
    content: '';
    position: absolute;
    top: 10px;
    left: 10px;
    right: 10px;
    bottom: 10px;
    background: var(--background);
    border-radius: calc(var(--border-radius-small) - 2px);
}

/* Başarı Mesajı */
.theme-success-message {
    position: fixed;
    top: 20px;
    right: 20px;
    background: var(--success-color);
    color: white;
    padding: 15px 20px;
    border-radius: var(--border-radius-small);
    box-shadow: var(--shadow-medium);
    z-index: 10001;
    transform: translateX(100%) translateZ(0);
    transition: transform var(--transition-normal);
    will-change: transform;
}

.theme-success-message.show {
    transform: translateX(0) translateZ(0);
    will-change: transform;
}

/* Tema özelleştirici sayfası için özel stiller */
.theme-customizer-page .theme-customizer-toggle {
    display: none;
}

.theme-customizer-page .theme-customizer {
    display: none;
}