* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Arial, sans-serif;
            background: radial-gradient(circle at top, #1a1a1a, #0d0d0d);
            color: #ffffff;
            min-height: 100vh;
            display: flex;
            justify-content: center;
            align-items: center;
            transition: all 0.3s ease;
            padding: 20px;
        }
        
        body.light {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: #2d3748;
        }
        
        .card {
            max-width: 450px;
            width: 100%;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(12px);
            border-radius: 24px;
            padding: 32px;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.2);
            transition: all 0.3s ease;
        }
        
        body.light .card {
            background: rgba(255, 255, 255, 0.95);
            box-shadow: 0 20px 40px rgba(0, 0, 0, 0.2);
            border: none;
        }
        
        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 24px;
            gap: 15px;
        }
        
        .lang-switch {
            display: flex;
            gap: 8px;
            background: rgba(255, 255, 255, 0.1);
            padding: 5px 10px;
            border-radius: 20px;
        }
        
        .lang-switch a {
            color: rgba(255, 255, 255, 0.7);
            text-decoration: none;
            font-size: 14px;
            transition: all 0.2s;
        }
        
        body.light .lang-switch a {
            color: #718096;
        }
        
        .lang-switch a:hover,
        .lang-switch a.active {
            color: #00ff99;
        }
        
        body.light .lang-switch a.active {
            color: #667eea;
            font-weight: bold;
        }
        
        .theme-btn {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: white;
            padding: 5px 12px;
            border-radius: 20px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.2s;
        }
        
        body.light .theme-btn {
            background: #667eea;
            color: white;
            border: none;
        }
        
        .theme-btn:hover {
            transform: scale(1.05);
        }
        
        h1 {
            font-size: 28px;
            margin-bottom: 8px;
            text-align: center;
        }
        
        .subtitle {
            text-align: center;
            opacity: 0.8;
            font-size: 14px;
            margin-bottom: 28px;
        }
        
        .dropzone {
            border: 2px dashed rgba(255, 255, 255, 0.3);
            border-radius: 16px;
            padding: 32px 20px;
            text-align: center;
            margin-bottom: 20px;
            transition: all 0.3s;
            background: rgba(255, 255, 255, 0.05);
        }
        
        body.light .dropzone {
            border-color: #cbd5e0;
            background: #f7fafc;
        }
        
        .dropzone.drag-over {
            border-color: #00ff99;
            background: rgba(0, 255, 153, 0.1);
        }
        
        .file-input-wrapper {
            margin-bottom: 20px;
        }
        
        input[type="file"] {
            display: none;
        }
        
        .file-label {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px;
            background: rgba(0, 255, 153, 0.1);
            border: 1px solid rgba(0, 255, 153, 0.3);
            border-radius: 12px;
            cursor: pointer;
            transition: all 0.3s;
            font-size: 14px;
            color: #00ff99;
        }
        
        body.light .file-label {
            background: #edf2f7;
            border-color: #cbd5e0;
            color: #4a5568;
        }
        
        .file-label:hover {
            background: rgba(0, 255, 153, 0.2);
            transform: translateY(-1px);
        }
        
        .file-info {
            font-size: 12px;
            text-align: center;
            margin-top: 8px;
            opacity: 0.7;
        }
        
        button[type="submit"] {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #00ff99, #00cc7a);
            color: #0d0d0d;
            border: none;
            border-radius: 12px;
            font-weight: bold;
            cursor: pointer;
            font-size: 16px;
            transition: all 0.3s;
        }
        
        button[type="submit"]:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 20px rgba(0, 255, 153, 0.3);
        }
        
        .result {
            margin-top: 24px;
            padding: 16px;
            background: rgba(0, 255, 153, 0.1);
            border-radius: 12px;
            text-align: center;
            animation: fadeIn 0.5s;
        }
        
        body.light .result {
            background: #f0fff4;
        }
        
        .result p {
            margin-bottom: 8px;
            font-size: 14px;
        }
        
        .result a {
            color: #00ff99;
            text-decoration: none;
            word-break: break-all;
            font-size: 14px;
        }
        
        body.light .result a {
            color: #667eea;
        }
        
        .result a:hover {
            text-decoration: underline;
        }

        .link-box {
            position: relative;
            margin: 12px 0 14px;
            padding: 3px;
            border-radius: 13px;
            background: linear-gradient(135deg, rgba(0, 255, 153, 0.32), rgba(102, 126, 234, 0.35));
        }

        .result-link-input {
            width: 100%;
            box-sizing: border-box;
            padding: 12px 14px;
            border: 0;
            outline: none;
            border-radius: 10px;
            background: rgba(9, 14, 28, 0.92);
            color: #e8fff6;
            font: inherit;
            font-size: 13px;
            text-align: center;
            cursor: text;
        }

        body.light .result-link-input {
            background: rgba(255, 255, 255, 0.96);
            color: #2d3748;
        }

        .result-actions {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 12px;
            margin-top: 4px;
        }

        .result-btn {
            min-height: 48px;
            padding: 11px 15px;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 9px;
            border: 0;
            border-radius: 13px;
            color: #fff !important;
            text-decoration: none !important;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.1px;
            cursor: pointer;
            box-shadow: 0 8px 22px rgba(0, 0, 0, 0.18);
            transition: transform 0.18s ease, box-shadow 0.18s ease, filter 0.18s ease;
            overflow: hidden;
        }

        .view-btn {
            background: linear-gradient(135deg, #1fbf8f, #12986f);
        }

        .copy-btn {
            background: linear-gradient(135deg, #667eea, #8b5cf6);
        }

        button.result-btn {
            width: 100%;
            font-family: inherit;
        }

        .result-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 11px 26px rgba(0, 0, 0, 0.24);
            filter: brightness(1.08);
        }

        .result-btn:active {
            transform: translateY(0) scale(0.985);
        }

        .action-icon {
            width: 24px;
            height: 24px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.16);
            font-size: 15px;
            flex: 0 0 24px;
        }

        .copy-btn.copied {
            background: linear-gradient(135deg, #12b76a, #079455);
            box-shadow: 0 10px 24px rgba(18, 183, 106, 0.24);
        }

        body.light .result-btn {
            color: #fff !important;
        }
        
        .error {
            margin-top: 16px;
            padding: 12px;
            background: rgba(255, 68, 68, 0.2);
            border-radius: 12px;
            color: #ff6b6b;
            text-align: center;
            font-size: 14px;
        }
        
        .footer {
            margin-top: 24px;
            text-align: center;
            font-size: 11px;
            opacity: 0.6;
        }
        
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(10px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        
        @media (max-width: 480px) {
            .card {
                padding: 24px;
            }
            
            h1 {
                font-size: 24px;
            }
            
            .dropzone {
                padding: 24px 16px;
            }

            .result-actions {
                grid-template-columns: 1fr;
            }
        }