/* ===== MODERN UI TASARIMI ===== */
    :root {
        --primary: #6366f1;
        --primary-dark: #4f46e5;
        --success: #10b981;
        --warning: #f59e0b;
        --danger: #ef4444;
        --dark: #0f172a;
        --dark-light: #1e293b;
        --border: #334155;
        --text: #e2e8f0;
        --text-muted: #475569;
        --glass: rgba(255, 255, 255, 0.03);
        --radius: 16px;
        --shadow: 0 25px 50px -12px rgba(0, 0, 0, 0.5);
    }

    .converter-app {
        background: linear-gradient(135deg, var(--dark) 0%, #1a1a2e 100%);
        border-radius: var(--radius);
        padding: 2rem;
        margin: 2rem auto;
        max-width: 1200px;
        box-shadow: var(--shadow);
        border: 1px solid var(--border);
    }

    .converter-header {
        text-align: center;
        margin-bottom: 2rem;
    }

    .converter-header h1 {
        color: #fff;
        font-size: 2rem;
        margin-bottom: 0.5rem;
        background: linear-gradient(135deg, #fff, var(--primary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
    }

    .converter-header p {
        color: var(--text-muted);
        font-size: 1rem;
    }

    /* Format Badges */
    .format-badges {
        display: flex;
        flex-wrap: wrap;
        gap: 0.5rem;
        justify-content: center;
        margin-top: 1rem;
    }

    .format-badge {
        background: var(--glass);
        border: 1px solid var(--border);
        padding: 0.25rem 0.75rem;
        border-radius: 20px;
        font-size: 0.75rem;
        color: var(--text);
        font-weight: 600;
    }

    .format-badge.supported {
        border-color: var(--success);
        color: var(--success);
    }

    .format-badge.limited {
        border-color: var(--warning);
        color: var(--warning);
    }

    /* Controls Panel */
    .controls-panel {
        background: var(--glass);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        padding: 1.5rem;
        margin-bottom: 1.5rem;
    }

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

    .control-group {
        display: flex;
        flex-direction: column;
        gap: 0.5rem;
    }

    .control-group label {
        color: var(--text);
        font-size: 0.875rem;
        font-weight: 600;
        display: flex;
        align-items: center;
        gap: 0.5rem;
    }

    .control-group label i {
        color: var(--primary);
    }

    .control-group select,
    .control-group input[type="number"],
    .control-group input[type="text"] {
        background: var(--dark);
        border: 1px solid var(--border);
        color: var(--text);
        padding: 0.75rem 1rem;
        border-radius: 10px;
        font-size: 0.9rem;
        transition: all 0.2s;
    }

    .control-group select:focus,
    .control-group input:focus {
        border-color: var(--primary);
        outline: none;
        box-shadow: 0 0 0 3px rgba(99, 102, 241, 0.2);
    }

    .control-group input[type="range"] {
        width: 100%;
        accent-color: var(--primary);
    }

    .control-group input[type="color"] {
        width: 100%;
        height: 40px;
        border: 1px solid var(--border);
        border-radius: 10px;
        cursor: pointer;
    }

    .control-hint {
        font-size: 0.75rem;
        color: var(--text-muted);
    }

    /* Dropzone */
    .dropzone {
        border: 2px dashed var(--border);
        border-radius: var(--radius);
        padding: 3rem 2rem;
        text-align: center;
        background: var(--glass);
        cursor: pointer;
        transition: all 0.3s;
        position: relative;
        overflow: hidden;
    }

    .dropzone:hover,
    .dropzone.dragover {
        border-color: var(--primary);
        background: rgba(99, 102, 241, 0.1);
    }

    .dropzone-icon {
        font-size: 4rem;
        color: var(--primary);
        margin-bottom: 1rem;
        animation: float 3s ease-in-out infinite;
    }

    @keyframes float {

        0%,
        100% {
            transform: translateY(0);
        }

        50% {
            transform: translateY(-10px);
        }
    }

    .dropzone h3 {
        color: var(--text);
        margin-bottom: 0.5rem;
    }

    .dropzone p {
        color: var(--text-muted);
        font-size: 0.9rem;
    }

    .dropzone input[type="file"] {
        position: absolute;
        inset: 0;
        opacity: 0;
        cursor: pointer;
    }

    .supported-formats {
        margin-top: 1rem;
        font-size: 0.8rem;
        color: var(--text-muted);
    }

    /* Action Buttons */
    .action-buttons {
        display: flex;
        flex-wrap: wrap;
        gap: 1rem;
        justify-content: center;
        margin: 1.5rem 0;
    }

    .btn {
        display: inline-flex;
        align-items: center;
        gap: 0.5rem;
        padding: 0.875rem 1.5rem;
        border-radius: 10px;
        font-weight: 600;
        font-size: 0.9rem;
        border: none;
        cursor: pointer;
        transition: all 0.2s;
        text-decoration: none;
    }

    .btn:disabled {
        opacity: 0.5;
        cursor: not-allowed;
    }

    .btn-primary {
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
    }

    .btn-primary:hover:not(:disabled) {
        transform: translateY(-2px);
        box-shadow: 0 10px 20px rgba(99, 102, 241, 0.3);
    }

    .btn-success {
        background: linear-gradient(135deg, var(--success), #059669);
        color: #fff;
    }

    .btn-warning {
        background: linear-gradient(135deg, var(--warning), #d97706);
        color: #fff;
    }

    .btn-danger {
        background: linear-gradient(135deg, var(--danger), #dc2626);
        color: #fff;
    }

    .btn-outline {
        background: transparent;
        border: 1px solid var(--border);
        color: var(--text);
    }

    .btn-outline:hover {
        background: var(--glass);
        border-color: var(--primary);
    }

    /* Progress Bar */
    .progress-container {
        display: none;
        margin: 1.5rem 0;
    }

    .progress-container.show {
        display: block;
    }

    .progress-bar-wrapper {
        background: var(--dark);
        border-radius: 10px;
        height: 20px;
        overflow: hidden;
        border: 1px solid var(--border);
    }

    .progress-bar {
        height: 100%;
        background: linear-gradient(90deg, var(--primary), var(--success));
        width: 0%;
        transition: width 0.3s ease;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.75rem;
        color: #fff;
        font-weight: 600;
    }

    .progress-stats {
        display: flex;
        justify-content: space-between;
        margin-top: 0.5rem;
        font-size: 0.8rem;
        color: var(--text-muted);
    }

    /* Results Grid */
    .results-container {
        margin-top: 2rem;
    }

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

    .results-header h3 {
        color: var(--text);
        margin: 0;
    }

    .results-grid {
        display: grid;
        grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
        gap: 1rem;
    }

    .result-card {
        background: var(--dark-light);
        border: 1px solid var(--border);
        border-radius: var(--radius);
        overflow: hidden;
        transition: all 0.3s;
    }

    .result-card:hover {
        transform: translateY(-5px);
        box-shadow: 0 15px 30px rgba(0, 0, 0, 0.3);
        border-color: var(--primary);
    }

    .result-preview {
        height: 180px;
        background: var(--dark);
        display: flex;
        align-items: center;
        justify-content: center;
        overflow: hidden;
        position: relative;
    }

    .result-preview img {
        max-width: 100%;
        max-height: 100%;
        object-fit: contain;
    }

    .result-preview .loading {
        color: var(--primary);
        font-size: 2rem;
    }

    .result-preview .error {
        color: var(--danger);
        font-size: 3rem;
    }

    .result-status {
        position: absolute;
        top: 10px;
        right: 10px;
        padding: 0.25rem 0.5rem;
        border-radius: 20px;
        font-size: 0.7rem;
        font-weight: 600;
    }

    .result-status.success {
        background: rgba(16, 185, 129, 0.2);
        color: var(--success);
        border: 1px solid var(--success);
    }

    .result-status.error {
        background: rgba(239, 68, 68, 0.2);
        color: var(--danger);
        border: 1px solid var(--danger);
    }

    .result-info {
        padding: 1rem;
    }

    .result-name {
        color: var(--text);
        font-weight: 600;
        font-size: 0.9rem;
        white-space: nowrap;
        overflow: hidden;
        text-overflow: ellipsis;
        margin-bottom: 0.5rem;
    }

    .result-sizes {
        display: flex;
        align-items: center;
        gap: 0.5rem;
        font-size: 0.8rem;
        margin-bottom: 0.5rem;
    }

    .result-sizes .original {
        color: var(--text-muted);
    }

    .result-sizes .arrow {
        color: var(--text-muted);
    }

    .result-sizes .converted {
        color: var(--success);
        font-weight: 600;
    }

    .result-sizes .savings {
        padding: 0.125rem 0.5rem;
        border-radius: 10px;
        font-size: 0.7rem;
        font-weight: 600;
    }

    .result-sizes .savings.positive {
        background: rgba(16, 185, 129, 0.2);
        color: var(--success);
    }

    .result-sizes .savings.negative {
        background: rgba(239, 68, 68, 0.2);
        color: var(--danger);
    }

    .result-dimensions {
        font-size: 0.75rem;
        color: var(--text-muted);
        margin-bottom: 0.75rem;
    }

    .result-download {
        width: 100%;
        padding: 0.625rem;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        border: none;
        border-radius: 8px;
        font-weight: 600;
        font-size: 0.85rem;
        cursor: pointer;
        transition: all 0.2s;
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 0.5rem;
        text-decoration: none;
    }

    .result-download:hover {
        transform: translateY(-2px);
        box-shadow: 0 5px 15px rgba(99, 102, 241, 0.4);
    }

    /* Stats Summary */
    .stats-summary {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(150px, 1fr));
        gap: 1rem;
        margin: 1.5rem 0;
        padding: 1rem;
        background: var(--glass);
        border-radius: var(--radius);
        border: 1px solid var(--border);
    }

    .stats-summary.hidden {
        display: none;
    }

    .stat-item {
        text-align: center;
        padding: 0.75rem;
    }

    .stat-value {
        font-size: 1.5rem;
        font-weight: 700;
        color: var(--primary);
    }

    .stat-label {
        font-size: 0.8rem;
        color: var(--text-muted);
        margin-top: 0.25rem;
    }

    /* Responsive */
    @media (max-width: 768px) {
        .converter-app {
            padding: 1rem;
            margin: 1rem;
        }

        .controls-grid {
            grid-template-columns: 1fr;
        }

        .dropzone {
            padding: 2rem 1rem;
        }

        .dropzone-icon {
            font-size: 3rem;
        }
    }

    /* SSS Stili */
    .converter-guide {
        padding: 4rem 0;
        background: #fff;
        color: #1e293b;
    }

    .converter-guide__intro {
        max-width: 850px;
        margin: 0 auto 2rem;
        text-align: center;
    }

    .converter-guide__intro h2 {
        margin: 0 0 1rem;
        font-size: clamp(1.75rem, 4vw, 2.5rem);
        line-height: 1.15;
    }

    .converter-guide__intro p,
    .converter-guide__card p,
    .converter-guide__steps li,
    .converter-guide__privacy p {
        line-height: 1.75;
        color: #475569;
    }

    .converter-guide__eyebrow {
        margin-bottom: 0.5rem;
        color: #4f46e5 !important;
        font-weight: 700;
        letter-spacing: 0.08em;
        text-transform: uppercase;
    }

    .converter-guide__grid {
        display: grid;
        grid-template-columns: repeat(2, minmax(0, 1fr));
        gap: 1rem;
        margin-bottom: 2rem;
    }

    .converter-guide__card,
    .converter-guide__steps,
    .converter-guide__privacy {
        padding: 1.5rem;
        border: 1px solid #e2e8f0;
        border-radius: 16px;
        background: #f8fafc;
    }

    .converter-guide__card h3,
    .converter-guide__steps h3,
    .converter-guide__privacy h3 {
        margin: 0 0 0.75rem;
        color: #0f172a;
    }

    .converter-guide__steps {
        margin-bottom: 1rem;
    }

    .converter-guide__steps ol {
        margin: 0;
        padding-left: 1.25rem;
    }

    .converter-guide__steps li + li {
        margin-top: 0.75rem;
    }

    .converter-guide__privacy {
        border-left: 4px solid #4f46e5;
    }

    @media (max-width: 700px) {
        .converter-guide {
            padding: 3rem 0;
        }

        .converter-guide__grid {
            grid-template-columns: 1fr;
        }
    }

    .faq-section {
        padding: 3rem 0;
        background: #f8fafc;
    }

    .faq-list {
        max-width: 800px;
        margin: 0 auto;
    }

    .faq-item {
        background: #fff;
        border: 1px solid #e2e8f0;
        border-radius: 12px;
        margin-bottom: 1rem;
        overflow: hidden;
    }

    .faq-question-header {
        padding: 1.25rem;
        cursor: pointer;
        font-weight: 600;
        display: flex;
        justify-content: space-between;
        align-items: center;
        color: #1e293b;
    }

    .faq-answer {
        padding: 0 1.25rem 1.25rem;
        color: #64748b;
        line-height: 1.7;
    }