:root {
    --primary: #3b82f6;
    --secondary: #10b981;
    --accent: #8b5cf6;
    --neon: #00d4ff;
    --bg-primary: #0a0a0f;
    --bg-secondary: #1a1a1f;
    --bg-card: rgba(26, 26, 31, 0.9);
    --bg-glass: rgba(255, 255, 255, 0.03);
    --border: rgba(255, 255, 255, 0.08);
    --text-primary: #ffffff;
    --text-secondary: #94a3b8;
    --text-muted: #64748b;
    --gradient: linear-gradient(135deg, var(--neon) 0%, var(--accent) 100%);
}

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

body {
    font-family: 'Inter', sans-serif;
    background: var(--bg-primary);
    color: var(--text-primary);
    line-height: 1.5;
    font-size: 14px;
    -webkit-font-smoothing: antialiased;
}

body::before {
    content: '';
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: 
        radial-gradient(600px circle at 25% 25%, rgba(0, 212, 255, 0.1), transparent),
        radial-gradient(800px circle at 75% 75%, rgba(139, 92, 246, 0.1), transparent);
    pointer-events: none;
    z-index: -1;
}

/* Scrollbar */
::-webkit-scrollbar { width: 4px; }
::-webkit-scrollbar-track { background: var(--bg-secondary); }
::-webkit-scrollbar-thumb { background: var(--text-muted); border-radius: 2px; }

/* Header */
.header {
    position: sticky;
    top: 0;
    z-index: 1000;
    backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
    background: rgba(10, 10, 15, 0.9);
    width: 100%;
}

.nav {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 1.5rem;
    height: 56px;
    display: flex;
    align-items: center;
    justify-content: space-between;
}

.logo {
    font-weight: 700;
    font-size: 20px;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    text-decoration: none;
}

.nav-right {
    display: flex;
    align-items: center;
    gap: 1.5rem;
}

.nav-links {
    display: flex;
    gap: 1.5rem;
    list-style: none;
}

.nav-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 13px;
    font-weight: 500;
    padding: 8px 12px;
    border-radius: 6px;
    transition: all 0.2s;
}

.nav-links a:hover,
.nav-links a.active {
    color: var(--neon);
    background: rgba(0, 212, 255, 0.1);
}

.lang-switcher {
    display: flex;
    gap: 4px;
}

.lang-btn {
    padding: 6px 10px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 11px;
    font-weight: 600;
    transition: all 0.2s;
}

.lang-btn.active,
.lang-btn:hover {
    background: var(--neon);
    color: var(--bg-primary);
    border-color: var(--neon);
}

/* Page Layout with Ads */
.page-layout {
    display: grid;
    grid-template-columns: 250px 1fr 250px;
    min-height: 100vh;
    max-width: 1400px;
    margin: 0 auto;
}

.ad-sidebar {
    position: sticky;
    top: 70px;
    height: fit-content;
    padding: 1rem;
}

.ad-container {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    margin-bottom: 1rem;
    text-align: center;
    min-height: 250px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 12px;
}

.main-content {
    min-height: 100vh;
}

/* Container */
.container {
    max-width: 1000px;
    margin: 0 auto;
    padding: 1.5rem;
}

/* Hero */
.hero {
    text-align: center;
    margin-bottom: 2rem;
}

.hero h1 {
    font-size: 2rem;
    font-weight: 700;
    margin-bottom: 0.5rem;
    background: var(--gradient);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}

.hero p {
    color: var(--text-secondary);
    font-size: 14px;
    margin-bottom: 1.5rem;
}

/* Steps */
.steps {
    display: flex;
    justify-content: center;
    margin-bottom: 2rem;
    background: var(--bg-card);
    backdrop-filter: blur(10px);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    gap: 1rem;
}

.step {
    display: flex;
    align-items: center;
    gap: 8px;
    padding: 8px 12px;
    border-radius: 8px;
    font-size: 12px;
    font-weight: 600;
    color: var(--text-muted);
    transition: all 0.3s ease;
}

.step.active {
    color: var(--neon);
    background: rgba(0, 212, 255, 0.1);
    transform: scale(1.05);
}

.step.completed {
    color: var(--secondary);
}

.step-number {
    width: 20px;
    height: 20px;
    border-radius: 50%;
    background: var(--bg-secondary);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    font-weight: 700;
    transition: all 0.3s ease;
}

.step.active .step-number {
    background: var(--neon);
    color: var(--bg-primary);
    box-shadow: 0 0 15px rgba(0, 212, 255, 0.5);
}

.step.completed .step-number {
    background: var(--secondary);
    color: white;
}

/* Card */
.card {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
}

.section {
    padding: 1.5rem;
    display: none;
    animation: fadeIn 0.3s ease-in-out;
}

.section.active {
    display: block;
}

@keyframes fadeIn {
    from { opacity: 0; transform: translateY(10px); }
    to { opacity: 1; transform: translateY(0); }
}

/* Upload Zone */
.upload-zone {
    border: 2px dashed var(--border);
    border-radius: 12px;
    padding: 1.5rem;
    text-align: center;
    background: var(--bg-glass);
    transition: all 0.3s ease;
    cursor: pointer;
    margin-bottom: 1rem;
}

.upload-zone:hover,
.upload-zone.dragover {
    border-color: var(--neon);
    background: rgba(0, 212, 255, 0.05);
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.15);
}

.upload-icon {
    width: 40px;
    height: 40px;
    margin: 0 auto 1rem;
    border-radius: 10px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 18px;
    animation: pulse 2s infinite;
}

@keyframes pulse {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

.upload-title {
    font-weight: 600;
    font-size: 16px;
    margin-bottom: 0.25rem;
}

.upload-subtitle {
    color: var(--text-secondary);
    font-size: 12px;
    margin-bottom: 1rem;
}

/* Buttons */
.btn {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 10px 16px;
    border-radius: 8px;
    font-size: 13px;
    font-weight: 600;
    text-decoration: none;
    border: none;
    cursor: pointer;
    transition: all 0.3s ease;
    position: relative;
    overflow: hidden;
}

.btn::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255,255,255,0.2), transparent);
    transition: left 0.5s;
}

.btn:hover::before {
    left: 100%;
}

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

.btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.3);
}

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

.btn-secondary:hover {
    border-color: var(--neon);
    background: rgba(0, 212, 255, 0.1);
}

.btn:disabled {
    opacity: 0.5;
    cursor: not-allowed;
    transform: none;
}

/* File List */
.file-list {
    margin-top: 1rem;
    max-height: 200px;
    overflow-y: auto;
}

.file-item {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 8px 12px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 6px;
    margin-bottom: 6px;
    transition: all 0.2s ease;
    animation: slideIn 0.3s ease-out;
}

@keyframes slideIn {
    from { opacity: 0; transform: translateX(-20px); }
    to { opacity: 1; transform: translateX(0); }
}

.file-item:hover {
    border-color: var(--neon);
    background: rgba(0, 212, 255, 0.05);
}

.file-icon {
    width: 28px;
    height: 28px;
    border-radius: 4px;
    background: var(--gradient);
    display: flex;
    align-items: center;
    justify-content: center;
    color: white;
    font-size: 9px;
    font-weight: 700;
}

.file-info {
    flex: 1;
    min-width: 0;
}

.file-name {
    font-weight: 500;
    font-size: 11px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.file-size {
    color: var(--text-secondary);
    font-size: 10px;
}

/* Form Grid */
.form-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
    gap: 1rem;
    margin-bottom: 1.5rem;
}

.form-group {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    transition: all 0.3s ease;
}

.form-group:hover {
    border-color: var(--neon);
    background: rgba(0, 212, 255, 0.03);
}

.form-label {
    display: block;
    font-weight: 600;
    font-size: 11px;
    color: var(--text-secondary);
    margin-bottom: 8px;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.form-input {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 12px;
    transition: all 0.3s ease;
}

.form-input:focus {
    outline: none;
    border-color: var(--neon);
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.3);
}

/* File Input */
.file-input-wrapper {
    position: relative;
    overflow: hidden;
    display: inline-block;
    width: 100%;
}

.file-input-wrapper input[type=file] {
    position: absolute;
    left: -9999px;
    opacity: 0;
}

.file-input-button {
    width: 100%;
    padding: 8px 12px;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 6px;
    color: var(--text-primary);
    font-size: 12px;
    cursor: pointer;
    transition: all 0.3s ease;
    text-align: left;
    display: flex;
    align-items: center;
    gap: 8px;
}

.file-input-button:hover {
    border-color: var(--neon);
    background: rgba(0, 212, 255, 0.05);
}

.file-input-icon {
    color: var(--text-secondary);
}

.file-input-text {
    flex: 1;
    color: var(--text-secondary);
    transition: color 0.3s ease;
}

.file-input-text.has-file {
    color: var(--text-primary);
}

/* Range Input */
input[type="range"] {
    -webkit-appearance: none;
    width: 100%;
    height: 4px;
    background: var(--bg-secondary);
    border-radius: 2px;
    margin-top: 6px;
    outline: none;
}

input[type="range"]::-webkit-slider-thumb {
    -webkit-appearance: none;
    width: 16px;
    height: 16px;
    background: var(--neon);
    border-radius: 50%;
    cursor: pointer;
    transition: all 0.3s ease;
    box-shadow: 0 0 10px rgba(0, 212, 255, 0.5);
}

input[type="range"]::-webkit-slider-thumb:hover {
    transform: scale(1.2);
}

input[type="range"]::-moz-range-thumb {
    width: 16px;
    height: 16px;
    background: var(--neon);
    border-radius: 50%;
    cursor: pointer;
    border: none;
}

.range-value {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 35px;
    height: 18px;
    background: var(--neon);
    color: var(--bg-primary);
    font-size: 10px;
    font-weight: 700;
    border-radius: 9px;
    margin-top: 6px;
    animation: bounceIn 0.3s ease-out;
}

@keyframes bounceIn {
    0% { transform: scale(0.3); opacity: 0; }
    50% { transform: scale(1.1); }
    100% { transform: scale(1); opacity: 1; }
}

/* Watermark Container */
.watermark-container {
    display: grid;
    grid-template-columns: 200px 1fr;
    gap: 1.5rem;
    margin-top: 1rem;
}

.watermark-controls {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
}

.watermark-preview {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 8px;
    padding: 12px;
    text-align: center;
    min-height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: center;
    background-image: 
        linear-gradient(45deg, #333 25%, transparent 25%), 
        linear-gradient(-45deg, #333 25%, transparent 25%), 
        linear-gradient(45deg, transparent 75%, #333 75%), 
        linear-gradient(-45deg, transparent 75%, #333 75%);
    background-size: 20px 20px;
    background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
}

.control-section {
    margin-bottom: 12px;
}

.control-section:last-child { 
    margin-bottom: 0; 
}

.control-title {
    font-weight: 600;
    font-size: 11px;
    color: var(--text-primary);
    margin-bottom: 8px;
    text-transform: uppercase;
}

/* Position Grid */
.position-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 4px;
    max-width: 80px;
}

.position-btn {
    aspect-ratio: 1;
    background: var(--bg-secondary);
    border: 1px solid var(--border);
    border-radius: 4px;
    cursor: pointer;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 10px;
    color: var(--text-secondary);
    transition: all 0.3s ease;
}

.position-btn:hover,
.position-btn.active {
    border-color: var(--neon);
    color: var(--neon);
    background: rgba(0, 212, 255, 0.1);
    transform: scale(1.1);
}

/* Preview */
.preview-title {
    font-weight: 600;
    font-size: 12px;
    margin-bottom: 10px;
    color: var(--text-primary);
}

.preview-container {
    position: relative;
    display: inline-block;
    border-radius: 8px;
    overflow: hidden;
    max-width: 100%;
    background: rgba(26, 26, 31, 0.9);
    transition: all 0.3s ease;
}

.preview-container:hover {
    transform: scale(1.02);
}

#previewImage {
    max-width: 100%;
    max-height: 150px;
    object-fit: contain;
    border-radius: 8px;
}

#previewWatermark {
    position: absolute;
    border-radius: 4px;
    transition: all 0.3s ease;
}

.preview-empty {
    color: var(--text-muted);
    font-size: 11px;
    padding: 30px 10px;
}

/* Navigation Section */
.nav-section {
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 1rem 1.5rem;
    background: var(--bg-glass);
    border-top: 1px solid var(--border);
}

/* Results Grid */
.results-grid {
    display: grid;
    grid-template-columns: repeat(auto-fill, minmax(140px, 1fr));
    gap: 12px;
    margin-top: 1rem;
}

.result-card {
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 8px;
    overflow: hidden;
    transition: all 0.3s ease;
    animation: slideUp 0.5s ease-out;
}

@keyframes slideUp {
    from { opacity: 0; transform: translateY(20px); }
    to { opacity: 1; transform: translateY(0); }
}

.result-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 8px 25px rgba(0, 212, 255, 0.15);
    border-color: var(--neon);
}

.result-image {
    width: 100%;
    height: 80px;
    object-fit: cover;
    transition: transform 0.3s ease;
}

.result-card:hover .result-image {
    transform: scale(1.05);
}

.result-info {
    padding: 10px;
}

.result-name {
    font-size: 10px;
    font-weight: 500;
    margin-bottom: 4px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.result-size {
    font-size: 9px;
    color: var(--text-secondary);
}

/* Alert */
.alert {
    padding: 12px;
    border-radius: 8px;
    margin-bottom: 1rem;
    font-size: 12px;
    background: rgba(16, 185, 129, 0.1);
    color: var(--secondary);
    border: 1px solid rgba(16, 185, 129, 0.2);
    animation: slideIn 0.3s ease-out;
}

/* Loading */
.loading-spinner {
    display: inline-block;
    width: 14px;
    height: 14px;
    border: 2px solid rgba(255, 255, 255, 0.3);
    border-radius: 50%;
    border-top-color: white;
    animation: spin 1s linear infinite;
}

@keyframes spin {
    to { transform: rotate(360deg); }
}

/* Banner Ads */
.banner-ad {
    background: var(--bg-card);
    border: 1px solid var(--border);
    border-radius: 12px;
    padding: 1rem;
    margin: 2rem 0;
    text-align: center;
    min-height: 90px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-muted);
    font-size: 12px;
}

/* Footer */
.footer {
    background: var(--bg-card);
    backdrop-filter: blur(20px);
    border-top: 1px solid var(--border);
    margin-top: 3rem;
}

.footer-content {
    max-width: 1000px;
    margin: 0 auto;
    padding: 2rem 1.5rem;
}

.footer-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
    gap: 2rem;
    margin-bottom: 2rem;
}

.footer-section h3 {
    font-size: 14px;
    font-weight: 700;
    color: var(--text-primary);
    margin-bottom: 1rem;
    text-transform: uppercase;
    letter-spacing: 0.5px;
}

.footer-section p {
    color: var(--text-secondary);
    font-size: 12px;
    line-height: 1.6;
    margin-bottom: 1rem;
}

.footer-links {
    list-style: none;
}

.footer-links li {
    margin-bottom: 0.5rem;
}

.footer-links a {
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 12px;
    transition: all 0.2s;
}

.footer-links a:hover {
    color: var(--neon);
}

.social-links {
    display: flex;
    gap: 1rem;
    margin-top: 1rem;
}

.social-link {
    width: 32px;
    height: 32px;
    background: var(--bg-glass);
    border: 1px solid var(--border);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--text-secondary);
    text-decoration: none;
    font-size: 14px;
    transition: all 0.3s ease;
}

.social-link:hover {
    background: var(--neon);
    color: var(--bg-primary);
    border-color: var(--neon);
    transform: translateY(-2px);
}

.footer-bottom {
    border-top: 1px solid var(--border);
    padding: 1.5rem 1.5rem 1rem;
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
    gap: 1rem;
}

.footer-copyright {
    color: var(--text-muted);
    font-size: 11px;
}

.footer-made-with {
    color: var(--text-muted);
    font-size: 11px;
    display: flex;
    align-items: center;
    gap: 4px;
}

.heart {
    color: #ef4444;
    animation: heartbeat 1.5s ease-in-out infinite;
}

@keyframes heartbeat {
    0%, 100% { transform: scale(1); }
    50% { transform: scale(1.1); }
}

/* Mobile Responsive */
@media (max-width: 768px) {
    .page-layout {
        grid-template-columns: 1fr;
    }
    
    .ad-sidebar {
        display: none;
    }
    
    .container { 
        padding: 1rem; 
    }
    
    .nav { 
        padding: 0 1rem; 
    }
    
    .nav-links { 
        display: none; 
    }
    
    .hero h1 { 
        font-size: 1.5rem; 
    }
    
    .steps { 
        flex-wrap: wrap; 
        gap: 6px; 
        padding: 8px; 
    }
    
    .section { 
        padding: 1rem; 
    }
    
    .nav-section { 
        flex-direction: column; 
        gap: 8px; 
        padding: 1rem; 
    }
    
    .form-grid { 
        grid-template-columns: 1fr; 
    }
    
    .watermark-container { 
        grid-template-columns: 1fr; 
        gap: 1rem; 
    }
    
    .upload-zone { 
        padding: 1rem; 
    }
    
    .file-list { 
        max-height: 150px; 
    }
    
    .footer-content { 
        padding: 1.5rem 1rem; 
    }
    
    .footer-grid { 
        grid-template-columns: 1fr; 
        gap: 1.5rem; 
    }
    
    .footer-bottom { 
        flex-direction: column; 
        text-align: center; 
        gap: 0.5rem; 
    }
    
    .social-links { 
        justify-content: center; 
    }
}

.hidden { 
    display: none !important; 
}

/* Page Layout - Dinamik */
.page-layout.single-column {
    display: block;
    max-width: 1200px;
    margin: 0 auto;
}

.page-layout.two-column {
    display: grid;
    grid-template-columns: 1fr 250px;
    min-height: 100vh;
    max-width: 1400px;
    margin: 0 auto;
}

.page-layout.three-column {
    display: grid;
    grid-template-columns: 250px 1fr 250px;
    min-height: 100vh;
    max-width: 1400px;
    margin: 0 auto;
}

/* Diğer CSS kodları aynı kalır... */